diff options
174 files changed, 12961 insertions, 6315 deletions
diff --git a/.fossil-settings/ignore-glob b/.fossil-settings/ignore-glob index 08d388d..c85b488 100644 --- a/.fossil-settings/ignore-glob +++ b/.fossil-settings/ignore-glob @@ -18,6 +18,7 @@ */tclsh* */tcltest* */versions.vc +*/version.vc html libtommath/bn.ilg libtommath/bn.ind @@ -40,7 +41,8 @@ unix/dltest.marker unix/tcl.pc unix/tclIndex unix/pkgs/* -win/Debug_VC* -win/Release_VC* +win/Debug* +win/Release* win/pkgs/* -win/tcl.hpj
\ No newline at end of file +win/tcl.hpj +win/nmhlp-out.txt @@ -1,5 +1,5 @@ README: Tcl - This is the Tcl 8.7a0 source distribution. + This is the Tcl 8.7a2 source distribution. http://sourceforge.net/projects/tcl/files/Tcl/ You can get any source release of Tcl from the URL above. @@ -8234,7 +8234,7 @@ Dropped support for OS X versions less than 10.4 (Tiger) (fellows) 2013-05-16 (platform support) mingw-4.0 (nijtmans) -2013-05-19 (platform support) FreeBSD updates (cerutti) +2013-05-19 (platform support) FreeBSD updates (gahr) 2013-05-20 (bug fix)[3613567] access error temp file creation (keene) @@ -8625,5 +8625,219 @@ improvements to regexp engine from Postgres (lane,porter,fellows,seltenreich) --- Released 8.6.5, February 29, 2016 --- http://core.tcl.tk/tcl/ for details +2016-03-01 (bug)[803042] mem leak due to reference cycle (porter) + +2016-03-08 (bug)[bbc304] reflected watch race condition (porter) + +2016-03-17 (bug)[fadc99] compile-5.3 (rodriguez,porter) + +2016-03-17 (enhancement)[1a25fd] compile [variable ${ns}::v] (porter) + +2016-03-20 (bug)[1af8de] crash in compiled [string replace] (harder,fellows) + +2016-03-21 (bug)[d30718] segv in notifier finalize (hirofumi,nijtmans) + +2016-03-23 (enhancement)[7d0db7] parallel make (yarda,nijtmans) + +2016-03-23 [f12535] enable test bindings customization (vogel,nijtmans) + +2016-04-04 (bug)[47ac84] compiled [lreplace] fixes (aspect,ferrieux,fellows) + *** POTENTIAL INCOMPATIBILITY *** + +2016-04-08 (bug)[866368] RE \w includes 'Punctuation Connector' (nijtmans) + +2016-04-08 (bug)[2538f3] Win crash Tcl_OpenTcpServer() (griffin) + +2016-04-10 [07d13d] Restore TclBlend support lost in 8.6.1 (buratti) + +2016-05-13 (bug)[3154ea] Mem corruption in assembler exceptions (tkob,kenny) + +2016-05-13 (bug) registry package support any Unicode env (nijtmans) +=> registry 1.3.2 + +2016-05-21 (bug)[f7d4e] [namespace delete] performance (fellows) + +2016-06-02 (TIP 447) execution time verbosity option (gahr) +=> tcltest 2.4.0 + +2016-06-16 (bug)[16828b] crash due to [vwait] trace undo fail (dah,porter) + +2016-06-16 (enhancement)[4b61af] good [info frame] from more cases (beric) + +2016-06-21 (bug)[c383eb] crash in [glob -path a] (oehlmann,porter) + +2016-06-21 (update) Update Unicode data to 9.0 (nijtmans) + *** POTENTIAL INCOMPATIBILITY *** + +2016-06-22 (bug)[16896d] Tcl_DString tolerate append to self. (dah,porter) + +2016-06-23 (bug)[d55322] crash in [dict update] (yorick,fellows) + +2016-06-27 (bug)[dd260a] crash in [chan configure -dictionary] (madden,aspect) + +2016-07-02 (bug)[f961d7] usage message with parameters with spaces (porter) + *** POTENTIAL INCOMPATIBILITY *** + +2016-07-02 (enhancement)[09fabc] Sort order of -relateddir (lanam) + +2016-07-07 (bug)[5d7ca0] Win: [file executable] for .cmd and .ps1 (nadkarni) + *** POTENTIAL INCOMPATIBILITY *** + +2016-07-08 (bug)[a47641] [file normalize] & Windows junctions (nadkarni) + +2016-07-09 [ae61a6] [file] handling of Win hardcoded names (CON) (nadkarni) + *** POTENTIAL INCOMPATIBILITY *** + +2016-07-09 [3613671] [file owned] (more) useful on Win (nadkarni) + +2016-07-09 (bug)[1493a4] [namespace upvar] use of resolvers (beric,fellows) + *** POTENTIAL INCOMPATIBILITY *** + +2016-07-10 (bug)[da340d] integer division in clock math (nadkarni) + +2016-07-20 tzdata updated to Olson's tzdata2016f (venkat) + +--- Released 8.6.6, July 27, 2016 --- http://core.tcl.tk/tcl/ for details + +2016-09-07 (bug)[c09edf] Bad caching with custom resolver (neumann,nijtmans) + +2016-09-07 (bug)[4dbdd9] Memleak in test var-8.3 (mr_calvin,porter) + +2016-10-03 (bug)[2bf561] Allow empty command as alias target (yorick,nijtmans) + *** POTENTIAL INCOMPATIBILITY *** + +2016-10-04 (bug)[4d5ae7] Crash in async connects host no address (gahr,fellows) + +2016-10-08 (bug)[838e99] treat application/xml as text (gahr,fellows) +=> http 2.8.10 + +2016-10-11 (bug)[3cc1d9] Thread finalization crash in zippy (neumann) + +2016-10-12 (bug)[be003d] Fix [scan 0x1 %b], [scan 0x1 %o] (porter) + +2016-10-14 (bug)[eb6b68] Fix stringComp-14.5 (porter) + +2016-10-30 (bug)[b26e38] Fix zlib-7.8 (fellows) + +2016-10-30 (bug)[1ae129] Fix memleak in [history] destruction (fellows) + +2016-11-04 (feature) Provisional Tcl 9 support in msgcat and tcltest (nijtmans) +=> msgcat 1.6.1 +=> tcltest 2.4.1 + +2016-11-04 (bug)[824752] Crash in Tcl_ListObjReplace() (gahr,porter) + +2016-11-11 (bug)[79614f] invalidate VFS mounts on sytem encoding change (yorick) + +2016-11-14 OSX: End panic() as legacy support macro; system conflicts (nijtmans) + *** POTENTIAL INCOMPATIBILITY *** + +2016-11-15 (bug) TclOO fix stops crash mixing Itcl and snit (fellows) + +2016-11-17 (update) Reconcile libtommath updates; purge unused files (nijtmans) + *** POTENTIAL INCOMPATIBILITY *** + +2017-01-09 (bug)[b87ad7] Repair drifts in timer clock (sebres) + +2017-01-17 (update) => zlib 1.2.11 (nijtmans) + +2017-01-31 (bug)[39f630] Revise Tcl_LinkVar to tolerate some prefixes (nijtmans) + *** POTENTIAL INCOMPATIBILITY *** + +2017-02-01 (bug)[d0f7ba] Improper NAN optimization. expr-22.1[01] (aspect) + +2017-02-26 (bug)[25842c] zlib stream finalization (aspect) + +2017-03-07 (deprecate) Remove unmaintained makefile.bc file (nijtmans) + *** POTENTIAL INCOMPATIBILITY *** + +2017-03-14 (enhancement) [clock] and [encoding] are now ensembles (kenny) + +2017-03-15 (enhancement) several [clock] subcommands bytecoded (kenny) + +2017-03-23 tzdata updated to Olson's tzdata2017b (jima) + +2017-03-29 (bug)[900cb0] Fix OO unexport introspection (napier) + +2017-04-12 (bug)[42202b] Nesting imbalance in coro injection (nadkarni,sebres) + +2017-04-18 (bug)[bc4322] http package support for safe interps (nash,nijtmans) + +2017-04-28 (bug)[f34cf8] [file join a //b] => /b (neumann,porter) + +2017-05-01 (bug)[8bd13f] Windows threads and pipes (sebres,nijtmans) + +2017-05-01 (bug)[f9fe90] [file join //a b] EIAS violation (aspect,porter) + +2017-05-04 (bug) Make test filesystem-1.52 pass on Windows (nijtmans) + +2017-05-05 (bug)[601522] [binary] field spec overflow -> segfault (porter) + +2017-05-08 (bug)[6ca52a] http memleak handling keep-alive (aspect,nijtmans) +=> http 2.8.11 + +2017-05-29 (bug)[a3fb33] crash in [lsort] on long lists (sebres) + +2017-06-05 (bug)[67aa9a] Tcl_UtfToUniChar() revised handling invalid UTF-8 (nijtmans) + *** POTENTIAL INCOMPATIBILITY *** + +2017-06-08 (bug)[2738427] Tcl_NumUtfChars() corner case utf-4.9 (nijtmans) + +2017-06-22 (update) Update Unicode data to 10.0 (nijtmans) + *** POTENTIAL INCOMPATIBILITY *** + +2017-06-22 (TIP 473) Let [oo::copy] specify target namespace (fellows) + +2017-06-26 (bug)[46f801] Repair autoloader fragility (porter) + +2017-07-06 (bug)[adb198] Plug memleak in TclJoinPath (sebres,porter) + +2017-07-17 (bug)[fb2208] Repeatable tclIndex generation (wiedemann,nijtmans) + +--- Released 8.6.7, August 9, 2017 --- http://core.tcl.tk/tcl/ for details + +2016-03-17 (bug)[0b8c38] socket accept callbacks always in global ns (porter) + *** POTENTIAL INCOMPATIBILITY *** + +2016-07-01 Hack accommodations for legacy Itcl 3 disabled (porter) + +2016-07-12 Make TCL_HASH_TYPE build-time configurable (nijtmans) + +2016-07-19 (bug)[0363f0] Partial array search ID reform (porter) + +2016-07-19 (feature removed) Tcl_ObjType "array search" unregistered (porter) + *** POTENTIAL INCOMPATIBILITY for Tcl_GetObjType("array search") *** + +2016-10-04 Server socket on port 0 chooses port supporting IPv4 * IPv6 (max) + +2016-11-25 [array named -regexp] supports backrefs (goth) + +2017-01-04 (TIP 456) New routine Tcl_OpenTcpServerEx() (limeboy) + +2017-01-04 (TIP 459) New subcommand [package files] (nijtmans) + +2017-01-16 threaded allocator initialization repair (vasiljevic,nijtmans) + +2017-01-30 Add to Win shell builtins: assoc ftype move (ashok) + +2017-03-31 TCL_MEM_DEBUG facilities better support 64-bit memory (nijtmans) + +2017-04-13 \u escaped content in msg files converted to true utf-8 (nijtmans) + +2017-05-18 (TIP 458) New epoll or kqueue notifiers are default (alborboz) + +2017-05-31 Purge build support for SunOS-4.* (stu) + +2017-06-22 (TIP 463) New option [regsub ... -command ...] (fellows) + +2017-06-22 (TIP 470) Tcl_GetDefineContextObject();[oo::define [self]] (fellows) +=> TclOO 1.2.0 + +2017-06-23 (TIP 472) Support 0d as prefix of decimal numbers (iyer,griffin) + 2017-08-31 (bug)[2a9465] http state 100 continue handling broken (oehlmann) => http 2.8.12 + +2017-09-02 (bug)[0e4d88] replace command, delete trace kills namespace (porter) + +--- Released 8.7a1, September 8, 2017 --- http://core.tcl.tk/tcl/ for details diff --git a/generic/tcl.h b/generic/tcl.h index 086985a..579b2d7 100644 --- a/generic/tcl.h +++ b/generic/tcl.h @@ -55,10 +55,10 @@ extern "C" { #define TCL_MAJOR_VERSION 8 #define TCL_MINOR_VERSION 7 #define TCL_RELEASE_LEVEL TCL_ALPHA_RELEASE -#define TCL_RELEASE_SERIAL 0 +#define TCL_RELEASE_SERIAL 2 #define TCL_VERSION "8.7" -#define TCL_PATCH_LEVEL "8.7a0" +#define TCL_PATCH_LEVEL "8.7a2" #if !defined(TCL_NO_DEPRECATED) || defined(RC_INVOKED) /* diff --git a/generic/tclBasic.c b/generic/tclBasic.c index cceef45..d4fa833 100644 --- a/generic/tclBasic.c +++ b/generic/tclBasic.c @@ -7460,7 +7460,7 @@ ExprAbsFunc( } goto unChanged; } else if (l == LONG_MIN) { - TclBNInitBignumFromLong(&big, l); + TclInitBignumFromLong(&big, l); goto tooLarge; } Tcl_SetObjResult(interp, Tcl_NewLongObj(-l)); @@ -7495,7 +7495,7 @@ ExprAbsFunc( goto unChanged; } if (w == LLONG_MIN) { - TclBNInitBignumFromWideInt(&big, w); + TclInitBignumFromWideInt(&big, w); goto tooLarge; } Tcl_SetObjResult(interp, Tcl_NewWideIntObj(-w)); diff --git a/generic/tclBinary.c b/generic/tclBinary.c index a693894..cb5a5cb 100644 --- a/generic/tclBinary.c +++ b/generic/tclBinary.c @@ -2284,7 +2284,7 @@ ScanNumber( Tcl_Obj *bigObj = NULL; mp_int big; - TclBNInitBignumFromWideUInt(&big, uwvalue); + TclInitBignumFromWideUInt(&big, uwvalue); bigObj = Tcl_NewBignumObj(&big); return bigObj; } diff --git a/generic/tclDecls.h b/generic/tclDecls.h index d543238..464fc0f 100644 --- a/generic/tclDecls.h +++ b/generic/tclDecls.h @@ -23,6 +23,15 @@ # endif #endif +#if !defined(BUILD_tcl) +# define TCL_DEPRECATED(msg) EXTERN TCL_DEPRECATED_API(msg) +#elif defined(TCL_NO_DEPRECATED) +# define TCL_DEPRECATED(msg) MODULE_SCOPE +#else +# define TCL_DEPRECATED(msg) EXTERN +#endif + + /* * WARNING: This file is automatically generated by the tools/genStubs.tcl * script. Any modifications to the function declarations below should be made diff --git a/generic/tclDictObj.c b/generic/tclDictObj.c index c82f88a..1c74c5f 100644 --- a/generic/tclDictObj.c +++ b/generic/tclDictObj.c @@ -2331,7 +2331,9 @@ DictAppendCmd( valuePtr = Tcl_DuplicateObj(valuePtr); } + Tcl_IncrRefCount(appendObjPtr); Tcl_AppendObjToObj(valuePtr, appendObjPtr); + Tcl_DecrRefCount(appendObjPtr); } Tcl_DictObjPut(NULL, dictPtr, objv[2], valuePtr); diff --git a/generic/tclExecute.c b/generic/tclExecute.c index 0113b28..f4c71ec 100644 --- a/generic/tclExecute.c +++ b/generic/tclExecute.c @@ -8218,7 +8218,7 @@ ExecuteExtendedBinaryMathOp( * Arguments are opposite sign; remainder is sum. */ - TclBNInitBignumFromWideInt(&big1, w1); + TclInitBignumFromWideInt(&big1, w1); mp_add(&big2, &big1, &big2); mp_clear(&big1); BIG_RESULT(&big2); @@ -9184,7 +9184,7 @@ ExecuteExtendedUnaryMathOp( if (w != LLONG_MIN) { WIDE_RESULT(-w); } - TclBNInitBignumFromLong(&big, *(const long *) ptr); + TclInitBignumFromLong(&big, *(const long *) ptr); break; #ifndef TCL_WIDE_INT_IS_LONG case TCL_NUMBER_WIDE: @@ -9192,7 +9192,7 @@ ExecuteExtendedUnaryMathOp( if (w != LLONG_MIN) { WIDE_RESULT(-w); } - TclBNInitBignumFromWideInt(&big, w); + TclInitBignumFromWideInt(&big, w); break; #endif default: diff --git a/generic/tclHash.c b/generic/tclHash.c index 78ad514..3c820c0 100644 --- a/generic/tclHash.c +++ b/generic/tclHash.c @@ -46,19 +46,6 @@ static int CompareArrayKeys(void *keyPtr, Tcl_HashEntry *hPtr); static TCL_HASH_TYPE HashArrayKey(Tcl_HashTable *tablePtr, void *keyPtr); /* - * Prototypes for the one word hash key methods. Not actually declared because - * this is a critical path that is implemented in the core hash table access - * function. - */ - -#if 0 -static Tcl_HashEntry * AllocOneWordEntry(Tcl_HashTable *tablePtr, - void *keyPtr); -static int CompareOneWordKeys(void *keyPtr, Tcl_HashEntry *hPtr); -static unsigned int HashOneWordKey(Tcl_HashTable *tablePtr, void *keyPtr); -#endif - -/* * Prototypes for the string hash key methods. */ diff --git a/generic/tclIO.c b/generic/tclIO.c index 1460392..df04794 100644 --- a/generic/tclIO.c +++ b/generic/tclIO.c @@ -6708,7 +6708,7 @@ Tcl_Flush( chanPtr = statePtr->topChanPtr; if (CheckChannelErrors(statePtr, TCL_WRITABLE) != 0) { - return -1; + return TCL_ERROR; } result = FlushChannel(NULL, chanPtr, 0); diff --git a/generic/tclInt.h b/generic/tclInt.h index 118af85..0b5ff0c 100644 --- a/generic/tclInt.h +++ b/generic/tclInt.h @@ -3007,6 +3007,9 @@ MODULE_SCOPE int TclInfoLocalsCmd(ClientData dummy, Tcl_Interp *interp, MODULE_SCOPE int TclInfoVarsCmd(ClientData dummy, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); MODULE_SCOPE void TclInitAlloc(void); +MODULE_SCOPE void TclInitBignumFromLong(mp_int *, long); +MODULE_SCOPE void TclInitBignumFromWideInt(mp_int *, Tcl_WideInt); +MODULE_SCOPE void TclInitBignumFromWideUInt(mp_int *, Tcl_WideUInt); MODULE_SCOPE void TclInitDbCkalloc(void); MODULE_SCOPE void TclInitDoubleConversion(void); MODULE_SCOPE void TclInitEmbeddedConfigurationInformation( diff --git a/generic/tclOOCall.c b/generic/tclOOCall.c index ac0b94d..3e4f561 100644 --- a/generic/tclOOCall.c +++ b/generic/tclOOCall.c @@ -53,7 +53,8 @@ static void AddClassFiltersToCallContext(Object *const oPtr, Class *clsPtr, struct ChainBuilder *const cbPtr, Tcl_HashTable *const doneFilters, int flags); static void AddClassMethodNames(Class *clsPtr, const int flags, - Tcl_HashTable *const namesPtr); + Tcl_HashTable *const namesPtr, + Tcl_HashTable *const examinedClassesPtr); static inline void AddMethodToCallChain(Method *const mPtr, struct ChainBuilder *const cbPtr, Tcl_HashTable *const doneFilters, @@ -367,6 +368,10 @@ TclOOGetSortedMethodList( { Tcl_HashTable names; /* Tcl_Obj* method name to "wanted in list" * mapping. */ + Tcl_HashTable examinedClasses; + /* Used to track what classes have been looked + * at. Is set-like in nature and keyed by + * pointer to class. */ FOREACH_HASH_DECLS; int i; Class *mixinPtr; @@ -376,6 +381,7 @@ TclOOGetSortedMethodList( void *isWanted; Tcl_InitObjHashTable(&names); + Tcl_InitHashTable(&examinedClasses, TCL_ONE_WORD_KEYS); /* * Name the bits used in the names table values. @@ -436,11 +442,14 @@ TclOOGetSortedMethodList( * hierarchy. */ - AddClassMethodNames(oPtr->selfCls, flags, &names); + AddClassMethodNames(oPtr->selfCls, flags, &names, &examinedClasses); FOREACH(mixinPtr, oPtr->mixins) { - AddClassMethodNames(mixinPtr, flags|TRAVERSED_MIXIN, &names); + AddClassMethodNames(mixinPtr, flags|TRAVERSED_MIXIN, &names, + &examinedClasses); } + Tcl_DeleteHashTable(&examinedClasses); + /* * See how many (visible) method names there are. If none, we do not (and * should not) try to sort the list of them. @@ -495,18 +504,24 @@ TclOOGetSortedClassMethodList( { Tcl_HashTable names; /* Tcl_Obj* method name to "wanted in list" * mapping. */ + Tcl_HashTable examinedClasses; + /* Used to track what classes have been looked + * at. Is set-like in nature and keyed by + * pointer to class. */ FOREACH_HASH_DECLS; int i; Tcl_Obj *namePtr; void *isWanted; Tcl_InitObjHashTable(&names); + Tcl_InitHashTable(&examinedClasses, TCL_ONE_WORD_KEYS); /* * Process method names from the class hierarchy and the mixin hierarchy. */ - AddClassMethodNames(clsPtr, flags, &names); + AddClassMethodNames(clsPtr, flags, &names, &examinedClasses); + Tcl_DeleteHashTable(&examinedClasses); /* * See how many (visible) method names there are. If none, we do not (and @@ -581,39 +596,60 @@ AddClassMethodNames( Class *clsPtr, /* Class to get method names from. */ const int flags, /* Whether we are interested in just the * public method names. */ - Tcl_HashTable *const namesPtr) + Tcl_HashTable *const namesPtr, /* Reference to the hash table to put the * information in. The hash table maps the * Tcl_Obj * method name to an integral value * describing whether the method is wanted. * This ensures that public/private override - * semantics are handled correctly.*/ + * semantics are handled correctly. */ + Tcl_HashTable *const examinedClassesPtr) + /* Hash table that tracks what classes have + * already been looked at. The keys are the + * pointers to the classes, and the values are + * immaterial. */ { /* + * If we've already started looking at this class, stop working on it now + * to prevent repeated work. + */ + + if (Tcl_FindHashEntry(examinedClassesPtr, (char *) clsPtr)) { + return; + } + + /* * Scope all declarations so that the compiler can stand a good chance of * making the recursive step highly efficient. We also hand-implement the * tail-recursive case using a while loop; C compilers typically cannot do * tail-recursion optimization usefully. */ - if (clsPtr->mixins.num != 0) { - Class *mixinPtr; - int i; - - /* TODO: Beware of infinite loops! */ - FOREACH(mixinPtr, clsPtr->mixins) { - AddClassMethodNames(mixinPtr, flags|TRAVERSED_MIXIN, namesPtr); - } - } - while (1) { FOREACH_HASH_DECLS; Tcl_Obj *namePtr; Method *mPtr; + int isNew; - FOREACH_HASH(namePtr, mPtr, &clsPtr->classMethods) { - int isNew; + (void) Tcl_CreateHashEntry(examinedClassesPtr, (char *) clsPtr, + &isNew); + if (!isNew) { + break; + } + + if (clsPtr->mixins.num != 0) { + Class *mixinPtr; + int i; + FOREACH(mixinPtr, clsPtr->mixins) { + if (mixinPtr != clsPtr) { + AddClassMethodNames(mixinPtr, flags|TRAVERSED_MIXIN, + namesPtr, examinedClassesPtr); + } + } + } + + FOREACH_HASH(namePtr, mPtr, &clsPtr->classMethods) { hPtr = Tcl_CreateHashEntry(namesPtr, (char *) namePtr, &isNew); if (isNew) { int isWanted = (!(flags & PUBLIC_METHOD) @@ -640,7 +676,8 @@ AddClassMethodNames( int i; FOREACH(superPtr, clsPtr->superclasses) { - AddClassMethodNames(superPtr, flags, namesPtr); + AddClassMethodNames(superPtr, flags, namesPtr, + examinedClassesPtr); } } } diff --git a/generic/tclObj.c b/generic/tclObj.c index f4b81f2..1a00011 100644 --- a/generic/tclObj.c +++ b/generic/tclObj.c @@ -3038,7 +3038,7 @@ Tcl_SetWideIntObj( #else mp_int big; - TclBNInitBignumFromWideInt(&big, wideValue); + TclInitBignumFromWideInt(&big, wideValue); Tcl_SetBignumObj(objPtr, &big); #endif } @@ -3402,12 +3402,12 @@ GetBignumFromObj( return TCL_OK; } if (objPtr->typePtr == &tclIntType) { - TclBNInitBignumFromLong(bignumValue, objPtr->internalRep.longValue); + TclInitBignumFromLong(bignumValue, objPtr->internalRep.longValue); return TCL_OK; } #ifndef TCL_WIDE_INT_IS_LONG if (objPtr->typePtr == &tclWideIntType) { - TclBNInitBignumFromWideInt(bignumValue, + TclInitBignumFromWideInt(bignumValue, objPtr->internalRep.wideValue); return TCL_OK; } diff --git a/generic/tclStrToD.c b/generic/tclStrToD.c index 539a92c..630e498 100644 --- a/generic/tclStrToD.c +++ b/generic/tclStrToD.c @@ -711,7 +711,7 @@ TclParseNumber( || (octalSignificandWide > (~(Tcl_WideUInt)0 >> shift)))) { octalSignificandOverflow = 1; - TclBNInitBignumFromWideUInt(&octalSignificandBig, + TclInitBignumFromWideUInt(&octalSignificandBig, octalSignificandWide); } } @@ -828,7 +828,7 @@ TclParseNumber( ((size_t)shift >= CHAR_BIT*sizeof(Tcl_WideUInt) || significandWide > (~(Tcl_WideUInt)0 >> shift))) { significandOverflow = 1; - TclBNInitBignumFromWideUInt(&significandBig, + TclInitBignumFromWideUInt(&significandBig, significandWide); } } @@ -869,7 +869,7 @@ TclParseNumber( ((size_t)shift >= CHAR_BIT*sizeof(Tcl_WideUInt) || significandWide > (~(Tcl_WideUInt)0 >> shift))) { significandOverflow = 1; - TclBNInitBignumFromWideUInt(&significandBig, + TclInitBignumFromWideUInt(&significandBig, significandWide); } } @@ -1214,7 +1214,7 @@ TclParseNumber( ((size_t)shift >= CHAR_BIT*sizeof(Tcl_WideUInt) || significandWide > (MOST_BITS + signum) >> shift)) { significandOverflow = 1; - TclBNInitBignumFromWideUInt(&significandBig, significandWide); + TclInitBignumFromWideUInt(&significandBig, significandWide); } if (shift) { if (!significandOverflow) { @@ -1235,7 +1235,7 @@ TclParseNumber( ((size_t)shift >= CHAR_BIT*sizeof(Tcl_WideUInt) || significandWide > (MOST_BITS + signum) >> shift)) { significandOverflow = 1; - TclBNInitBignumFromWideUInt(&significandBig, significandWide); + TclInitBignumFromWideUInt(&significandBig, significandWide); } if (shift) { if (!significandOverflow) { @@ -1256,7 +1256,7 @@ TclParseNumber( ((size_t)shift >= CHAR_BIT*sizeof(Tcl_WideUInt) || octalSignificandWide > (MOST_BITS + signum) >> shift)) { octalSignificandOverflow = 1; - TclBNInitBignumFromWideUInt(&octalSignificandBig, + TclInitBignumFromWideUInt(&octalSignificandBig, octalSignificandWide); } if (shift) { @@ -1283,7 +1283,7 @@ TclParseNumber( break; } #endif - TclBNInitBignumFromWideUInt(&octalSignificandBig, + TclInitBignumFromWideUInt(&octalSignificandBig, octalSignificandWide); octalSignificandOverflow = 1; } else { @@ -1311,7 +1311,7 @@ TclParseNumber( &significandWide, &significandBig, significandOverflow); if (!significandOverflow && (significandWide > MOST_BITS+signum)){ significandOverflow = 1; - TclBNInitBignumFromWideUInt(&significandBig, significandWide); + TclInitBignumFromWideUInt(&significandBig, significandWide); } returnInteger: if (!significandOverflow) { @@ -1330,7 +1330,7 @@ TclParseNumber( break; } #endif - TclBNInitBignumFromWideUInt(&significandBig, + TclInitBignumFromWideUInt(&significandBig, significandWide); significandOverflow = 1; } else { @@ -1485,7 +1485,7 @@ AccumulateDecimalDigit( * bignum and fall through into the bignum case. */ - TclBNInitBignumFromWideUInt(bignumRepPtr, w); + TclInitBignumFromWideUInt(bignumRepPtr, w); } else { /* * Wide multiplication. @@ -1628,7 +1628,7 @@ MakeLowPrecisionDouble( * call MakeHighPrecisionDouble to do it the hard way. */ - TclBNInitBignumFromWideUInt(&significandBig, significand); + TclInitBignumFromWideUInt(&significandBig, significand); retval = MakeHighPrecisionDouble(0, &significandBig, numSigDigs, exponent); mp_clear(&significandBig); @@ -3315,7 +3315,7 @@ ShorteningBignumConversionPowD( * mminus = 5**m5 */ - TclBNInitBignumFromWideUInt(&b, bw); + TclInitBignumFromWideUInt(&b, bw); mp_init_set_int(&mminus, 1); MulPow5(&b, b5, &b); mp_mul_2d(&b, b2, &b); @@ -3502,7 +3502,7 @@ StrictBignumConversionPowD( * b = bw * 2**b2 * 5**b5 */ - TclBNInitBignumFromWideUInt(&b, bw); + TclInitBignumFromWideUInt(&b, bw); MulPow5(&b, b5, &b); mp_mul_2d(&b, b2, &b); @@ -3710,7 +3710,7 @@ ShorteningBignumConversion( * S = 2**s2 * 5*s5 */ - TclBNInitBignumFromWideUInt(&b, bw); + TclInitBignumFromWideUInt(&b, bw); mp_mul_2d(&b, b2, &b); mp_init_set_int(&S, 1); MulPow5(&S, s5, &S); mp_mul_2d(&S, s2, &S); @@ -3923,7 +3923,7 @@ StrictBignumConversion( */ mp_init_multi(&temp, &dig, NULL); - TclBNInitBignumFromWideUInt(&b, bw); + TclInitBignumFromWideUInt(&b, bw); mp_mul_2d(&b, b2, &b); mp_init_set_int(&S, 1); MulPow5(&S, s5, &S); mp_mul_2d(&S, s2, &S); @@ -4579,7 +4579,7 @@ Tcl_InitBignumFromDouble( Tcl_WideInt w = (Tcl_WideInt) ldexp(fract, mantBits); int shift = expt - mantBits; - TclBNInitBignumFromWideInt(b, w); + TclInitBignumFromWideInt(b, w); if (shift < 0) { mp_div_2d(b, -shift, b, NULL); } else if (shift > 0) { diff --git a/generic/tclStringObj.c b/generic/tclStringObj.c index 59758bb..7c1d42b 100644 --- a/generic/tclStringObj.c +++ b/generic/tclStringObj.c @@ -3102,6 +3102,7 @@ TclStringCatObjv( /* Ugly interface! No scheme to init array size. */ objResultPtr = Tcl_NewUnicodeObj(&ch, 0); /* PANIC? */ if (0 == Tcl_AttemptSetObjLength(objResultPtr, length)) { + Tcl_DecrRefCount(objResultPtr); if (interp) { Tcl_SetObjResult(interp, Tcl_ObjPrintf( "concatenation failed: unable to alloc %" @@ -3149,6 +3150,7 @@ TclStringCatObjv( } else { objResultPtr = Tcl_NewObj(); /* PANIC? */ if (0 == Tcl_AttemptSetObjLength(objResultPtr, length)) { + Tcl_DecrRefCount(objResultPtr); if (interp) { Tcl_SetObjResult(interp, Tcl_ObjPrintf( "concatenation failed: unable to alloc %u bytes", diff --git a/generic/tclStubInit.c b/generic/tclStubInit.c index 8cc21aa..ebd2086 100644 --- a/generic/tclStubInit.c +++ b/generic/tclStubInit.c @@ -69,6 +69,9 @@ static int TclSockMinimumBuffersOld(int sock, int size) # define TclWinGetSockOpt 0 # define TclWinSetSockOpt 0 # define TclWinNToHS 0 +# define TclBNInitBignumFromWideUInt 0 +# define TclBNInitBignumFromWideInt 0 +# define TclBNInitBignumFromLong 0 #else #define TclSetStartupScriptPath setStartupScriptPath static void TclSetStartupScriptPath(Tcl_Obj *path) @@ -103,6 +106,9 @@ static unsigned short TclWinNToHS(unsigned short ns) { return ntohs(ns); } #endif +# define TclBNInitBignumFromWideUInt TclInitBignumFromWideUInt +# define TclBNInitBignumFromWideInt TclInitBignumFromWideInt +# define TclBNInitBignumFromLong TclInitBignumFromLong #endif /* TCL_NO_DEPRECATED */ #ifdef _WIN32 @@ -859,6 +865,10 @@ const TclTomMathStubs tclTomMathStubs = { TclBNInitBignumFromWideInt, /* 65 */ TclBNInitBignumFromWideUInt, /* 66 */ TclBN_mp_expt_d_ex, /* 67 */ + TclBN_mp_set_long_long, /* 68 */ + TclBN_mp_get_long_long, /* 69 */ + TclBN_mp_set_long, /* 70 */ + TclBN_mp_get_long, /* 71 */ }; static const TclStubHooks tclStubHooks = { diff --git a/generic/tclTomMath.decls b/generic/tclTomMath.decls index 74ccefc..10df919 100644 --- a/generic/tclTomMath.decls +++ b/generic/tclTomMath.decls @@ -30,13 +30,13 @@ declare 1 { } declare 2 { - int TclBN_mp_add(mp_int *a, mp_int *b, mp_int *c) + int TclBN_mp_add(const mp_int *a, const mp_int *b, mp_int *c) } declare 3 { - int TclBN_mp_add_d(mp_int *a, mp_digit b, mp_int *c) + int TclBN_mp_add_d(const mp_int *a, mp_digit b, mp_int *c) } declare 4 { - int TclBN_mp_and(mp_int *a, mp_int *b, mp_int *c) + int TclBN_mp_and(const mp_int *a, const mp_int *b, mp_int *c) } declare 5 { void TclBN_mp_clamp(mp_int *a) @@ -63,25 +63,25 @@ declare 12 { int TclBN_mp_count_bits(const mp_int *a) } declare 13 { - int TclBN_mp_div(mp_int *a, mp_int *b, mp_int *q, mp_int *r) + int TclBN_mp_div(const mp_int *a, const mp_int *b, mp_int *q, mp_int *r) } declare 14 { - int TclBN_mp_div_d(mp_int *a, mp_digit b, mp_int *q, mp_digit *r) + int TclBN_mp_div_d(const mp_int *a, mp_digit b, mp_int *q, mp_digit *r) } declare 15 { - int TclBN_mp_div_2(mp_int *a, mp_int *q) + int TclBN_mp_div_2(const mp_int *a, mp_int *q) } declare 16 { int TclBN_mp_div_2d(const mp_int *a, int b, mp_int *q, mp_int *r) } declare 17 { - int TclBN_mp_div_3(mp_int *a, mp_int *q, mp_digit *r) + int TclBN_mp_div_3(const mp_int *a, mp_int *q, mp_digit *r) } declare 18 { void TclBN_mp_exch(mp_int *a, mp_int *b) } declare 19 { - int TclBN_mp_expt_d(mp_int *a, mp_digit b, mp_int *c) + int TclBN_mp_expt_d(const mp_int *a, mp_digit b, mp_int *c) } declare 20 { int TclBN_mp_grow(mp_int *a, int size) @@ -105,19 +105,19 @@ declare 26 { int TclBN_mp_lshd(mp_int *a, int shift) } declare 27 { - int TclBN_mp_mod(mp_int *a, mp_int *b, mp_int *r) + int TclBN_mp_mod(const mp_int *a, const mp_int *b, mp_int *r) } declare 28 { int TclBN_mp_mod_2d(const mp_int *a, int b, mp_int *r) } declare 29 { - int TclBN_mp_mul(mp_int *a, mp_int *b, mp_int *p) + int TclBN_mp_mul(const mp_int *a, const mp_int *b, mp_int *p) } declare 30 { - int TclBN_mp_mul_d(mp_int *a, mp_digit b, mp_int *p) + int TclBN_mp_mul_d(const mp_int *a, mp_digit b, mp_int *p) } declare 31 { - int TclBN_mp_mul_2(mp_int *a, mp_int *p) + int TclBN_mp_mul_2(const mp_int *a, mp_int *p) } declare 32 { int TclBN_mp_mul_2d(const mp_int *a, int d, mp_int *p) @@ -126,7 +126,7 @@ declare 33 { int TclBN_mp_neg(const mp_int *a, mp_int *b) } declare 34 { - int TclBN_mp_or(mp_int *a, mp_int *b, mp_int *c) + int TclBN_mp_or(const mp_int *a, const mp_int *b, mp_int *c) } declare 35 { int TclBN_mp_radix_size(const mp_int *a, int radix, int *size) @@ -144,32 +144,32 @@ declare 39 { void TclBN_mp_set(mp_int *a, mp_digit b) } declare 40 { - int TclBN_mp_sqr(mp_int *a, mp_int *b) + int TclBN_mp_sqr(const mp_int *a, mp_int *b) } declare 41 { - int TclBN_mp_sqrt(mp_int *a, mp_int *b) + int TclBN_mp_sqrt(const mp_int *a, mp_int *b) } declare 42 { - int TclBN_mp_sub(mp_int *a, mp_int *b, mp_int *c) + int TclBN_mp_sub(const mp_int *a, const mp_int *b, mp_int *c) } declare 43 { - int TclBN_mp_sub_d(mp_int *a, mp_digit b, mp_int *c) + int TclBN_mp_sub_d(const mp_int *a, mp_digit b, mp_int *c) } declare 44 { - int TclBN_mp_to_unsigned_bin(mp_int *a, unsigned char *b) + int TclBN_mp_to_unsigned_bin(const mp_int *a, unsigned char *b) } declare 45 { - int TclBN_mp_to_unsigned_bin_n(mp_int *a, unsigned char *b, + int TclBN_mp_to_unsigned_bin_n(const mp_int *a, unsigned char *b, unsigned long *outlen) } declare 46 { - int TclBN_mp_toradix_n(mp_int *a, char *str, int radix, int maxlen) + int TclBN_mp_toradix_n(const mp_int *a, char *str, int radix, int maxlen) } declare 47 { - int TclBN_mp_unsigned_bin_size(mp_int *a) + int TclBN_mp_unsigned_bin_size(const mp_int *a) } declare 48 { - int TclBN_mp_xor(mp_int *a, mp_int *b, mp_int *c) + int TclBN_mp_xor(const mp_int *a, const mp_int *b, mp_int *c) } declare 49 { void TclBN_mp_zero(mp_int *a) @@ -182,34 +182,34 @@ declare 50 { void TclBN_reverse(unsigned char *s, int len) } declare 51 { - int TclBN_fast_s_mp_mul_digs(mp_int *a, mp_int *b, mp_int *c, int digs) + int TclBN_fast_s_mp_mul_digs(const mp_int *a, const mp_int *b, mp_int *c, int digs) } declare 52 { - int TclBN_fast_s_mp_sqr(mp_int *a, mp_int *b) + int TclBN_fast_s_mp_sqr(const mp_int *a, mp_int *b) } declare 53 { - int TclBN_mp_karatsuba_mul(mp_int *a, mp_int *b, mp_int *c) + int TclBN_mp_karatsuba_mul(const mp_int *a, const mp_int *b, mp_int *c) } declare 54 { - int TclBN_mp_karatsuba_sqr(mp_int *a, mp_int *b) + int TclBN_mp_karatsuba_sqr(const mp_int *a, mp_int *b) } declare 55 { - int TclBN_mp_toom_mul(mp_int *a, mp_int *b, mp_int *c) + int TclBN_mp_toom_mul(const mp_int *a, const mp_int *b, mp_int *c) } declare 56 { - int TclBN_mp_toom_sqr(mp_int *a, mp_int *b) + int TclBN_mp_toom_sqr(const mp_int *a, mp_int *b) } declare 57 { - int TclBN_s_mp_add(mp_int *a, mp_int *b, mp_int *c) + int TclBN_s_mp_add(const mp_int *a, const mp_int *b, mp_int *c) } declare 58 { - int TclBN_s_mp_mul_digs(mp_int *a, mp_int *b, mp_int *c, int digs) + int TclBN_s_mp_mul_digs(const mp_int *a, const mp_int *b, mp_int *c, int digs) } declare 59 { - int TclBN_s_mp_sqr(mp_int *a, mp_int *b) + int TclBN_s_mp_sqr(const mp_int *a, mp_int *b) } declare 60 { - int TclBN_s_mp_sub(mp_int *a, mp_int *b, mp_int *c) + int TclBN_s_mp_sub(const mp_int *a, const mp_int *b, mp_int *c) } declare 61 { int TclBN_mp_init_set_int(mp_int *a, unsigned long i) @@ -223,19 +223,32 @@ declare 63 { # Formerly internal API to allow initialisation of bignums without knowing the # typedefs of how a bignum works internally. -declare 64 { +declare 64 {deprecated {Use mp_init() + mp_set_long_long()}} { void TclBNInitBignumFromLong(mp_int *bignum, long initVal) } -declare 65 { +declare 65 {deprecated {Use mp_init() + mp_set_long_long()}} { void TclBNInitBignumFromWideInt(mp_int *bignum, Tcl_WideInt initVal) } -declare 66 { +declare 66 {deprecated {Use mp_init() + mp_set_long_long()}} { void TclBNInitBignumFromWideUInt(mp_int *bignum, Tcl_WideUInt initVal) } # Added in libtommath 1.0 declare 67 { - int TclBN_mp_expt_d_ex(mp_int *a, mp_digit b, mp_int *c, int fast) + int TclBN_mp_expt_d_ex(const mp_int *a, mp_digit b, mp_int *c, int fast) +} +# Added in libtommath 1.0.1 +declare 68 { + int TclBN_mp_set_long_long(mp_int *a, Tcl_WideUInt i) +} +declare 69 { + Tcl_WideUInt TclBN_mp_get_long_long(const mp_int *a) +} +declare 70 { + int TclBN_mp_set_long(mp_int *a, unsigned long i) +} +declare 71 { + unsigned long TclBN_mp_get_long(const mp_int *a) } # Local Variables: diff --git a/generic/tclTomMath.h b/generic/tclTomMath.h index 508fadd..df54ff5 100644 --- a/generic/tclTomMath.h +++ b/generic/tclTomMath.h @@ -27,10 +27,10 @@ extern "C" { #endif /* detect 64-bit mode if possible */ -#if defined(NEVER) /* 128-bit ints fail in too many places */ - #if !(defined(MP_32BIT) || defined(MP_16BIT) || defined(MP_8BIT)) - #define MP_64BIT - #endif +#if defined(NEVER) /* 128-bit ints fail in too many places */ +# if !(defined(MP_32BIT) || defined(MP_16BIT) || defined(MP_8BIT)) +# define MP_64BIT +# endif #endif /* some default configurations. @@ -43,94 +43,94 @@ extern "C" { */ #ifdef MP_8BIT #ifndef MP_DIGIT_DECLARED - typedef uint8_t mp_digit; +typedef uint8_t mp_digit; #define MP_DIGIT_DECLARED #endif #ifndef MP_WORD_DECLARED - typedef uint16_t mp_word; +typedef uint16_t mp_word; #define MP_WORD_DECLARED #endif -#define MP_SIZEOF_MP_DIGIT 1 -#ifdef DIGIT_BIT -#error You must not define DIGIT_BIT when using MP_8BIT -#endif +# define MP_SIZEOF_MP_DIGIT 1 +# ifdef DIGIT_BIT +# error You must not define DIGIT_BIT when using MP_8BIT +# endif #elif defined(MP_16BIT) #ifndef MP_DIGIT_DECLARED - typedef uint16_t mp_digit; +typedef uint16_t mp_digit; #define MP_DIGIT_DECLARED #endif #ifndef MP_WORD_DECLARED - typedef uint32_t mp_word; +typedef uint32_t mp_word; #define MP_WORD_DECLARED #endif -#define MP_SIZEOF_MP_DIGIT 2 -#ifdef DIGIT_BIT -#error You must not define DIGIT_BIT when using MP_16BIT -#endif +# define MP_SIZEOF_MP_DIGIT 2 +# ifdef DIGIT_BIT +# error You must not define DIGIT_BIT when using MP_16BIT +# endif #elif defined(MP_64BIT) - /* for GCC only on supported platforms */ +/* for GCC only on supported platforms */ #ifndef MP_DIGIT_DECLARED - typedef uint64_t mp_digit; +typedef uint64_t mp_digit; #define MP_DIGIT_DECLARED #endif -#if defined(_WIN32) +# if defined(_WIN32) #ifndef MP_WORD_DECLARED - typedef unsigned __int128 mp_word; +typedef unsigned __int128 mp_word; #define MP_WORD_DECLARED #endif -#elif defined(__GNUC__) - typedef unsigned long mp_word __attribute__ ((mode(TI))); -#else - /* it seems you have a problem - * but we assume you can somewhere define your own uint128_t */ +# elif defined(__GNUC__) +typedef unsigned long mp_word __attribute__((mode(TI))); +# else +/* it seems you have a problem + * but we assume you can somewhere define your own uint128_t */ #ifndef MP_WORD_DECLARED - typedef uint128_t mp_word; +typedef uint128_t mp_word; #define MP_WORD_DECLARED #endif -#endif +# endif - #define DIGIT_BIT 60 +# define DIGIT_BIT 60 #else - /* this is the default case, 28-bit digits */ +/* this is the default case, 28-bit digits */ - /* this is to make porting into LibTomCrypt easier :-) */ +/* this is to make porting into LibTomCrypt easier :-) */ #ifndef MP_DIGIT_DECLARED - typedef uint32_t mp_digit; +typedef uint32_t mp_digit; #define MP_DIGIT_DECLARED #endif #ifndef MP_WORD_DECLARED - typedef uint64_t mp_word; +typedef uint64_t mp_word; #define MP_WORD_DECLARED #endif -#ifdef MP_31BIT - /* this is an extension that uses 31-bit digits */ - #define DIGIT_BIT 31 -#else - /* default case is 28-bit digits, defines MP_28BIT as a handy macro to test */ - #define DIGIT_BIT 28 - #define MP_28BIT -#endif +# ifdef MP_31BIT +/* this is an extension that uses 31-bit digits */ +# define DIGIT_BIT 31 +# else +/* default case is 28-bit digits, defines MP_28BIT as a handy macro to test */ +# define DIGIT_BIT 28 +# define MP_28BIT +# endif #endif /* otherwise the bits per digit is calculated automatically from the size of a mp_digit */ #ifndef DIGIT_BIT - #define DIGIT_BIT (((CHAR_BIT * MP_SIZEOF_MP_DIGIT) - 1)) /* bits per digit */ - typedef uint_least32_t mp_min_u32; +# define DIGIT_BIT (((CHAR_BIT * MP_SIZEOF_MP_DIGIT) - 1)) /* bits per digit */ +typedef uint_least32_t mp_min_u32; #else - typedef mp_digit mp_min_u32; +typedef mp_digit mp_min_u32; #endif /* use arc4random on platforms that support it */ #if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__DragonFly__) - #define MP_GEN_RANDOM() arc4random() - #define MP_GEN_RANDOM_MAX 0xffffffff +# define MP_GEN_RANDOM() arc4random() +# define MP_GEN_RANDOM_MAX 0xffffffff #endif /* use rand() as fall-back if there's no better rand function */ #ifndef MP_GEN_RANDOM - #define MP_GEN_RANDOM() rand() - #define MP_GEN_RANDOM_MAX RAND_MAX +# define MP_GEN_RANDOM() rand() +# define MP_GEN_RANDOM_MAX RAND_MAX #endif #define MP_DIGIT_BIT DIGIT_BIT @@ -163,9 +163,9 @@ typedef int mp_err; /* you'll have to tune these... */ #if defined(BUILD_tcl) || !defined(_WIN32) MODULE_SCOPE int KARATSUBA_MUL_CUTOFF, - KARATSUBA_SQR_CUTOFF, - TOOM_MUL_CUTOFF, - TOOM_SQR_CUTOFF; + KARATSUBA_SQR_CUTOFF, + TOOM_MUL_CUTOFF, + TOOM_SQR_CUTOFF; #endif /* define this to use lower memory usage routines (exptmods mostly) */ @@ -173,11 +173,11 @@ MODULE_SCOPE int KARATSUBA_MUL_CUTOFF, /* default precision */ #ifndef MP_PREC - #ifndef MP_LOW_MEM - #define MP_PREC 32 /* default digits of precision */ - #else - #define MP_PREC 8 /* default digits of precision */ - #endif +# ifndef MP_LOW_MEM +# define MP_PREC 32 /* default digits of precision */ +# else +# define MP_PREC 8 /* default digits of precision */ +# endif #endif /* size of comba arrays, should be at least 2 * 2**(BITS_PER_WORD - BITS_PER_DIGIT*2) */ @@ -189,17 +189,17 @@ MODULE_SCOPE int KARATSUBA_MUL_CUTOFF, typedef struct mp_int mp_int; #endif struct mp_int { - int used, alloc, sign; - mp_digit *dp; + int used, alloc, sign; + mp_digit *dp; }; /* callback for mp_prime_random, should fill dst with random bytes and return how many read [upto len] */ typedef int ltm_prime_callback(unsigned char *dst, int len, void *dat); -#define USED(m) ((m)->used) -#define DIGIT(m,k) ((m)->dp[(k)]) -#define SIGN(m) ((m)->sign) +#define USED(m) ((m)->used) +#define DIGIT(m, k) ((m)->dp[(k)]) +#define SIGN(m) ((m)->sign) /* error code to char* string */ const char *mp_error_to_string(int code); @@ -278,27 +278,27 @@ int mp_set_long_long(mp_int *a, unsigned long long b); /* get a 32-bit value */ /* -unsigned long mp_get_int(const mp_int * a); +unsigned long mp_get_int(const mp_int *a); */ /* get a platform dependent unsigned long value */ /* -unsigned long mp_get_long(const mp_int * a); +unsigned long mp_get_long(const mp_int *a); */ /* get a platform dependent unsigned long long value */ /* -unsigned long long mp_get_long_long(const mp_int * a); +unsigned long long mp_get_long_long(const mp_int *a); */ /* initialize and set a digit */ /* -int mp_init_set (mp_int * a, mp_digit b); +int mp_init_set(mp_int *a, mp_digit b); */ /* initialize and set 32-bit value */ /* -int mp_init_set_int (mp_int * a, unsigned long b); +int mp_init_set_int(mp_int *a, unsigned long b); */ /* copy, b = a */ @@ -318,12 +318,12 @@ void mp_clamp(mp_int *a); /* import binary data */ /* -int mp_import(mp_int* rop, size_t count, int order, size_t size, int endian, size_t nails, const void* op); +int mp_import(mp_int *rop, size_t count, int order, size_t size, int endian, size_t nails, const void *op); */ /* export binary data */ /* -int mp_export(void* rop, size_t* countp, int order, size_t size, int endian, size_t nails, mp_int* op); +int mp_export(void *rop, size_t *countp, int order, size_t size, int endian, size_t nails, const mp_int *op); */ /* ---> digit manipulation <--- */ @@ -383,17 +383,17 @@ int mp_rand(mp_int *a, int digits); /* ---> binary operations <--- */ /* c = a XOR b */ /* -int mp_xor(mp_int *a, mp_int *b, mp_int *c); +int mp_xor(const mp_int *a, const mp_int *b, mp_int *c); */ /* c = a OR b */ /* -int mp_or(mp_int *a, mp_int *b, mp_int *c); +int mp_or(const mp_int *a, const mp_int *b, mp_int *c); */ /* c = a AND b */ /* -int mp_and(mp_int *a, mp_int *b, mp_int *c); +int mp_and(const mp_int *a, const mp_int *b, mp_int *c); */ /* ---> Basic arithmetic <--- */ @@ -405,7 +405,7 @@ int mp_neg(const mp_int *a, mp_int *b); /* b = |a| */ /* -int mp_abs(mp_int *a, mp_int *b); +int mp_abs(const mp_int *a, mp_int *b); */ /* compare a to b */ @@ -420,32 +420,32 @@ int mp_cmp_mag(const mp_int *a, const mp_int *b); /* c = a + b */ /* -int mp_add(mp_int *a, mp_int *b, mp_int *c); +int mp_add(const mp_int *a, const mp_int *b, mp_int *c); */ /* c = a - b */ /* -int mp_sub(mp_int *a, mp_int *b, mp_int *c); +int mp_sub(const mp_int *a, const mp_int *b, mp_int *c); */ /* c = a * b */ /* -int mp_mul(mp_int *a, mp_int *b, mp_int *c); +int mp_mul(const mp_int *a, const mp_int *b, mp_int *c); */ /* b = a*a */ /* -int mp_sqr(mp_int *a, mp_int *b); +int mp_sqr(const mp_int *a, mp_int *b); */ /* a/b => cb + d == a */ /* -int mp_div(mp_int *a, mp_int *b, mp_int *c, mp_int *d); +int mp_div(const mp_int *a, const mp_int *b, mp_int *c, mp_int *d); */ /* c = a mod b, 0 <= c < b */ /* -int mp_mod(mp_int *a, mp_int *b, mp_int *c); +int mp_mod(const mp_int *a, const mp_int *b, mp_int *c); */ /* ---> single digit functions <--- */ @@ -457,82 +457,82 @@ int mp_cmp_d(const mp_int *a, mp_digit b); /* c = a + b */ /* -int mp_add_d(mp_int *a, mp_digit b, mp_int *c); +int mp_add_d(const mp_int *a, mp_digit b, mp_int *c); */ /* c = a - b */ /* -int mp_sub_d(mp_int *a, mp_digit b, mp_int *c); +int mp_sub_d(const mp_int *a, mp_digit b, mp_int *c); */ /* c = a * b */ /* -int mp_mul_d(mp_int *a, mp_digit b, mp_int *c); +int mp_mul_d(const mp_int *a, mp_digit b, mp_int *c); */ /* a/b => cb + d == a */ /* -int mp_div_d(mp_int *a, mp_digit b, mp_int *c, mp_digit *d); +int mp_div_d(const mp_int *a, mp_digit b, mp_int *c, mp_digit *d); */ /* a/3 => 3c + d == a */ /* -int mp_div_3(mp_int *a, mp_int *c, mp_digit *d); +int mp_div_3(const mp_int *a, mp_int *c, mp_digit *d); */ /* c = a**b */ /* -int mp_expt_d(mp_int *a, mp_digit b, mp_int *c); +int mp_expt_d(const mp_int *a, mp_digit b, mp_int *c); */ /* -int mp_expt_d_ex (mp_int * a, mp_digit b, mp_int * c, int fast); +int mp_expt_d_ex(const mp_int *a, mp_digit b, mp_int *c, int fast); */ /* c = a mod b, 0 <= c < b */ /* -int mp_mod_d(mp_int *a, mp_digit b, mp_digit *c); +int mp_mod_d(const mp_int *a, mp_digit b, mp_digit *c); */ /* ---> number theory <--- */ /* d = a + b (mod c) */ /* -int mp_addmod(mp_int *a, mp_int *b, mp_int *c, mp_int *d); +int mp_addmod(const mp_int *a, const mp_int *b, const mp_int *c, mp_int *d); */ /* d = a - b (mod c) */ /* -int mp_submod(mp_int *a, mp_int *b, mp_int *c, mp_int *d); +int mp_submod(const mp_int *a, const mp_int *b, const mp_int *c, mp_int *d); */ /* d = a * b (mod c) */ /* -int mp_mulmod(mp_int *a, mp_int *b, mp_int *c, mp_int *d); +int mp_mulmod(const mp_int *a, const mp_int *b, const mp_int *c, mp_int *d); */ /* c = a * a (mod b) */ /* -int mp_sqrmod(mp_int *a, mp_int *b, mp_int *c); +int mp_sqrmod(const mp_int *a, const mp_int *b, mp_int *c); */ /* c = 1/a (mod b) */ /* -int mp_invmod(mp_int *a, mp_int *b, mp_int *c); +int mp_invmod(const mp_int *a, const mp_int *b, mp_int *c); */ /* c = (a, b) */ /* -int mp_gcd(mp_int *a, mp_int *b, mp_int *c); +int mp_gcd(const mp_int *a, const mp_int *b, mp_int *c); */ /* produces value such that U1*a + U2*b = U3 */ /* -int mp_exteuclid(mp_int *a, mp_int *b, mp_int *U1, mp_int *U2, mp_int *U3); +int mp_exteuclid(const mp_int *a, const mp_int *b, mp_int *U1, mp_int *U2, mp_int *U3); */ /* c = [a, b] or (a*b)/(a, b) */ /* -int mp_lcm(mp_int *a, mp_int *b, mp_int *c); +int mp_lcm(const mp_int *a, const mp_int *b, mp_int *c); */ /* finds one of the b'th root of a, such that |c|**b <= |a| @@ -540,35 +540,35 @@ int mp_lcm(mp_int *a, mp_int *b, mp_int *c); * returns error if a < 0 and b is even */ /* -int mp_n_root(mp_int *a, mp_digit b, mp_int *c); +int mp_n_root(const mp_int *a, mp_digit b, mp_int *c); */ /* -int mp_n_root_ex (mp_int * a, mp_digit b, mp_int * c, int fast); +int mp_n_root_ex(const mp_int *a, mp_digit b, mp_int *c, int fast); */ /* special sqrt algo */ /* -int mp_sqrt(mp_int *arg, mp_int *ret); +int mp_sqrt(const mp_int *arg, mp_int *ret); */ /* special sqrt (mod prime) */ /* -int mp_sqrtmod_prime(mp_int *arg, mp_int *prime, mp_int *ret); +int mp_sqrtmod_prime(const mp_int *arg, const mp_int *prime, mp_int *ret); */ /* is number a square? */ /* -int mp_is_square(mp_int *arg, int *ret); +int mp_is_square(const mp_int *arg, int *ret); */ /* computes the jacobi c = (a | n) (or Legendre if b is prime) */ /* -int mp_jacobi(mp_int *a, mp_int *n, int *c); +int mp_jacobi(const mp_int *a, const mp_int *n, int *c); */ /* used to setup the Barrett reduction for a given modulus b */ /* -int mp_reduce_setup(mp_int *a, mp_int *b); +int mp_reduce_setup(mp_int *a, const mp_int *b); */ /* Barrett Reduction, computes a (mod b) with a precomputed value c @@ -577,83 +577,83 @@ int mp_reduce_setup(mp_int *a, mp_int *b); * compute the reduction as -1 * mp_reduce(mp_abs(a)) [pseudo code]. */ /* -int mp_reduce(mp_int *a, mp_int *b, mp_int *c); +int mp_reduce(mp_int *a, const mp_int *b, const mp_int *c); */ /* setups the montgomery reduction */ /* -int mp_montgomery_setup(mp_int *a, mp_digit *mp); +int mp_montgomery_setup(const mp_int *a, mp_digit *mp); */ /* computes a = B**n mod b without division or multiplication useful for * normalizing numbers in a Montgomery system. */ /* -int mp_montgomery_calc_normalization(mp_int *a, mp_int *b); +int mp_montgomery_calc_normalization(mp_int *a, const mp_int *b); */ /* computes x/R == x (mod N) via Montgomery Reduction */ /* -int mp_montgomery_reduce(mp_int *a, mp_int *m, mp_digit mp); +int mp_montgomery_reduce(mp_int *a, const mp_int *m, mp_digit mp); */ /* returns 1 if a is a valid DR modulus */ /* -int mp_dr_is_modulus(mp_int *a); +int mp_dr_is_modulus(const mp_int *a); */ /* sets the value of "d" required for mp_dr_reduce */ /* -void mp_dr_setup(mp_int *a, mp_digit *d); +void mp_dr_setup(const mp_int *a, mp_digit *d); */ /* reduces a modulo b using the Diminished Radix method */ /* -int mp_dr_reduce(mp_int *a, mp_int *b, mp_digit mp); +int mp_dr_reduce(mp_int *a, const mp_int *b, mp_digit mp); */ /* returns true if a can be reduced with mp_reduce_2k */ /* -int mp_reduce_is_2k(mp_int *a); +int mp_reduce_is_2k(const mp_int *a); */ /* determines k value for 2k reduction */ /* -int mp_reduce_2k_setup(mp_int *a, mp_digit *d); +int mp_reduce_2k_setup(const mp_int *a, mp_digit *d); */ /* reduces a modulo b where b is of the form 2**p - k [0 <= a] */ /* -int mp_reduce_2k(mp_int *a, mp_int *n, mp_digit d); +int mp_reduce_2k(mp_int *a, const mp_int *n, mp_digit d); */ /* returns true if a can be reduced with mp_reduce_2k_l */ /* -int mp_reduce_is_2k_l(mp_int *a); +int mp_reduce_is_2k_l(const mp_int *a); */ /* determines k value for 2k reduction */ /* -int mp_reduce_2k_setup_l(mp_int *a, mp_int *d); +int mp_reduce_2k_setup_l(const mp_int *a, mp_int *d); */ /* reduces a modulo b where b is of the form 2**p - k [0 <= a] */ /* -int mp_reduce_2k_l(mp_int *a, mp_int *n, mp_int *d); +int mp_reduce_2k_l(mp_int *a, const mp_int *n, const mp_int *d); */ /* d = a**b (mod c) */ /* -int mp_exptmod(mp_int *a, mp_int *b, mp_int *c, mp_int *d); +int mp_exptmod(const mp_int *a, const mp_int *b, const mp_int *c, mp_int *d); */ /* ---> Primes <--- */ /* number of primes */ #ifdef MP_8BIT -# define PRIME_SIZE 31 +# define PRIME_SIZE 31 #else -# define PRIME_SIZE 256 +# define PRIME_SIZE 256 #endif /* table of first PRIME_SIZE primes */ @@ -663,21 +663,21 @@ MODULE_SCOPE const mp_digit ltm_prime_tab[PRIME_SIZE]; /* result=1 if a is divisible by one of the first PRIME_SIZE primes */ /* -int mp_prime_is_divisible(mp_int *a, int *result); +int mp_prime_is_divisible(const mp_int *a, int *result); */ /* performs one Fermat test of "a" using base "b". * Sets result to 0 if composite or 1 if probable prime */ /* -int mp_prime_fermat(mp_int *a, mp_int *b, int *result); +int mp_prime_fermat(const mp_int *a, const mp_int *b, int *result); */ /* performs one Miller-Rabin test of "a" using base "b". * Sets result to 0 if composite or 1 if probable prime */ /* -int mp_prime_miller_rabin(mp_int *a, mp_int *b, int *result); +int mp_prime_miller_rabin(const mp_int *a, const mp_int *b, int *result); */ /* This gives [for a given bit size] the number of trials required @@ -695,7 +695,7 @@ int mp_prime_rabin_miller_trials(int size); * Sets result to 1 if probably prime, 0 otherwise */ /* -int mp_prime_is_prime(mp_int *a, int t, int *result); +int mp_prime_is_prime(const mp_int *a, int t, int *result); */ /* finds the next prime after the number "a" using "t" trials @@ -741,39 +741,39 @@ int mp_count_bits(const mp_int *a); */ /* -int mp_unsigned_bin_size(mp_int *a); +int mp_unsigned_bin_size(const mp_int *a); */ /* int mp_read_unsigned_bin(mp_int *a, const unsigned char *b, int c); */ /* -int mp_to_unsigned_bin(mp_int *a, unsigned char *b); +int mp_to_unsigned_bin(const mp_int *a, unsigned char *b); */ /* -int mp_to_unsigned_bin_n (mp_int * a, unsigned char *b, unsigned long *outlen); +int mp_to_unsigned_bin_n(const mp_int *a, unsigned char *b, unsigned long *outlen); */ /* -int mp_signed_bin_size(mp_int *a); +int mp_signed_bin_size(const mp_int *a); */ /* int mp_read_signed_bin(mp_int *a, const unsigned char *b, int c); */ /* -int mp_to_signed_bin(mp_int *a, unsigned char *b); +int mp_to_signed_bin(const mp_int *a, unsigned char *b); */ /* -int mp_to_signed_bin_n (mp_int * a, unsigned char *b, unsigned long *outlen); +int mp_to_signed_bin_n(const mp_int *a, unsigned char *b, unsigned long *outlen); */ /* int mp_read_radix(mp_int *a, const char *str, int radix); */ /* -int mp_toradix(mp_int *a, char *str, int radix); +int mp_toradix(const mp_int *a, char *str, int radix); */ /* -int mp_toradix_n(mp_int * a, char *str, int radix, int maxlen); +int mp_toradix_n(const mp_int *a, char *str, int radix, int maxlen); */ /* int mp_radix_size(const mp_int *a, int radix, int *size); @@ -784,7 +784,7 @@ int mp_radix_size(const mp_int *a, int radix, int *size); int mp_fread(mp_int *a, int radix, FILE *stream); */ /* -int mp_fwrite(mp_int *a, int radix, FILE *stream); +int mp_fwrite(const mp_int *a, int radix, FILE *stream); */ #endif @@ -801,7 +801,7 @@ int mp_fwrite(mp_int *a, int radix, FILE *stream); #define mp_tohex(M, S) mp_toradix((M), (S), 16) #ifdef __cplusplus - } +} #endif #endif diff --git a/generic/tclTomMathDecls.h b/generic/tclTomMathDecls.h index 209c486..f3145d7 100644 --- a/generic/tclTomMathDecls.h +++ b/generic/tclTomMathDecls.h @@ -74,6 +74,9 @@ #define mp_exch TclBN_mp_exch #define mp_expt_d TclBN_mp_expt_d #define mp_expt_d_ex TclBN_mp_expt_d_ex +#define mp_get_int TclBN_mp_get_int +#define mp_get_long TclBN_mp_get_long +#define mp_get_long_long TclBN_mp_get_long_long #define mp_grow TclBN_mp_grow #define mp_init TclBN_mp_init #define mp_init_copy TclBN_mp_init_copy @@ -98,6 +101,8 @@ #define mp_s_rmap TclBNMpSRmap #define mp_set TclBN_mp_set #define mp_set_int TclBN_mp_set_int +#define mp_set_long TclBN_mp_set_long +#define mp_set_long_long TclBN_mp_set_long_long #define mp_shrink TclBN_mp_shrink #define mp_sqr TclBN_mp_sqr #define mp_sqrt TclBN_mp_sqrt @@ -148,11 +153,14 @@ EXTERN int TclBN_epoch(void); /* 1 */ EXTERN int TclBN_revision(void); /* 2 */ -EXTERN int TclBN_mp_add(mp_int *a, mp_int *b, mp_int *c); +EXTERN int TclBN_mp_add(const mp_int *a, const mp_int *b, + mp_int *c); /* 3 */ -EXTERN int TclBN_mp_add_d(mp_int *a, mp_digit b, mp_int *c); +EXTERN int TclBN_mp_add_d(const mp_int *a, mp_digit b, + mp_int *c); /* 4 */ -EXTERN int TclBN_mp_and(mp_int *a, mp_int *b, mp_int *c); +EXTERN int TclBN_mp_and(const mp_int *a, const mp_int *b, + mp_int *c); /* 5 */ EXTERN void TclBN_mp_clamp(mp_int *a); /* 6 */ @@ -170,22 +178,24 @@ EXTERN int TclBN_mp_copy(const mp_int *a, mp_int *b); /* 12 */ EXTERN int TclBN_mp_count_bits(const mp_int *a); /* 13 */ -EXTERN int TclBN_mp_div(mp_int *a, mp_int *b, mp_int *q, - mp_int *r); +EXTERN int TclBN_mp_div(const mp_int *a, const mp_int *b, + mp_int *q, mp_int *r); /* 14 */ -EXTERN int TclBN_mp_div_d(mp_int *a, mp_digit b, mp_int *q, - mp_digit *r); +EXTERN int TclBN_mp_div_d(const mp_int *a, mp_digit b, + mp_int *q, mp_digit *r); /* 15 */ -EXTERN int TclBN_mp_div_2(mp_int *a, mp_int *q); +EXTERN int TclBN_mp_div_2(const mp_int *a, mp_int *q); /* 16 */ EXTERN int TclBN_mp_div_2d(const mp_int *a, int b, mp_int *q, mp_int *r); /* 17 */ -EXTERN int TclBN_mp_div_3(mp_int *a, mp_int *q, mp_digit *r); +EXTERN int TclBN_mp_div_3(const mp_int *a, mp_int *q, + mp_digit *r); /* 18 */ EXTERN void TclBN_mp_exch(mp_int *a, mp_int *b); /* 19 */ -EXTERN int TclBN_mp_expt_d(mp_int *a, mp_digit b, mp_int *c); +EXTERN int TclBN_mp_expt_d(const mp_int *a, mp_digit b, + mp_int *c); /* 20 */ EXTERN int TclBN_mp_grow(mp_int *a, int size); /* 21 */ @@ -201,21 +211,25 @@ EXTERN int TclBN_mp_init_size(mp_int *a, int size); /* 26 */ EXTERN int TclBN_mp_lshd(mp_int *a, int shift); /* 27 */ -EXTERN int TclBN_mp_mod(mp_int *a, mp_int *b, mp_int *r); +EXTERN int TclBN_mp_mod(const mp_int *a, const mp_int *b, + mp_int *r); /* 28 */ EXTERN int TclBN_mp_mod_2d(const mp_int *a, int b, mp_int *r); /* 29 */ -EXTERN int TclBN_mp_mul(mp_int *a, mp_int *b, mp_int *p); +EXTERN int TclBN_mp_mul(const mp_int *a, const mp_int *b, + mp_int *p); /* 30 */ -EXTERN int TclBN_mp_mul_d(mp_int *a, mp_digit b, mp_int *p); +EXTERN int TclBN_mp_mul_d(const mp_int *a, mp_digit b, + mp_int *p); /* 31 */ -EXTERN int TclBN_mp_mul_2(mp_int *a, mp_int *p); +EXTERN int TclBN_mp_mul_2(const mp_int *a, mp_int *p); /* 32 */ EXTERN int TclBN_mp_mul_2d(const mp_int *a, int d, mp_int *p); /* 33 */ EXTERN int TclBN_mp_neg(const mp_int *a, mp_int *b); /* 34 */ -EXTERN int TclBN_mp_or(mp_int *a, mp_int *b, mp_int *c); +EXTERN int TclBN_mp_or(const mp_int *a, const mp_int *b, + mp_int *c); /* 35 */ EXTERN int TclBN_mp_radix_size(const mp_int *a, int radix, int *size); @@ -229,52 +243,59 @@ EXTERN int TclBN_mp_shrink(mp_int *a); /* 39 */ EXTERN void TclBN_mp_set(mp_int *a, mp_digit b); /* 40 */ -EXTERN int TclBN_mp_sqr(mp_int *a, mp_int *b); +EXTERN int TclBN_mp_sqr(const mp_int *a, mp_int *b); /* 41 */ -EXTERN int TclBN_mp_sqrt(mp_int *a, mp_int *b); +EXTERN int TclBN_mp_sqrt(const mp_int *a, mp_int *b); /* 42 */ -EXTERN int TclBN_mp_sub(mp_int *a, mp_int *b, mp_int *c); +EXTERN int TclBN_mp_sub(const mp_int *a, const mp_int *b, + mp_int *c); /* 43 */ -EXTERN int TclBN_mp_sub_d(mp_int *a, mp_digit b, mp_int *c); +EXTERN int TclBN_mp_sub_d(const mp_int *a, mp_digit b, + mp_int *c); /* 44 */ -EXTERN int TclBN_mp_to_unsigned_bin(mp_int *a, unsigned char *b); +EXTERN int TclBN_mp_to_unsigned_bin(const mp_int *a, + unsigned char *b); /* 45 */ -EXTERN int TclBN_mp_to_unsigned_bin_n(mp_int *a, +EXTERN int TclBN_mp_to_unsigned_bin_n(const mp_int *a, unsigned char *b, unsigned long *outlen); /* 46 */ -EXTERN int TclBN_mp_toradix_n(mp_int *a, char *str, int radix, - int maxlen); +EXTERN int TclBN_mp_toradix_n(const mp_int *a, char *str, + int radix, int maxlen); /* 47 */ -EXTERN int TclBN_mp_unsigned_bin_size(mp_int *a); +EXTERN int TclBN_mp_unsigned_bin_size(const mp_int *a); /* 48 */ -EXTERN int TclBN_mp_xor(mp_int *a, mp_int *b, mp_int *c); +EXTERN int TclBN_mp_xor(const mp_int *a, const mp_int *b, + mp_int *c); /* 49 */ EXTERN void TclBN_mp_zero(mp_int *a); /* 50 */ EXTERN void TclBN_reverse(unsigned char *s, int len); /* 51 */ -EXTERN int TclBN_fast_s_mp_mul_digs(mp_int *a, mp_int *b, - mp_int *c, int digs); +EXTERN int TclBN_fast_s_mp_mul_digs(const mp_int *a, + const mp_int *b, mp_int *c, int digs); /* 52 */ -EXTERN int TclBN_fast_s_mp_sqr(mp_int *a, mp_int *b); +EXTERN int TclBN_fast_s_mp_sqr(const mp_int *a, mp_int *b); /* 53 */ -EXTERN int TclBN_mp_karatsuba_mul(mp_int *a, mp_int *b, - mp_int *c); +EXTERN int TclBN_mp_karatsuba_mul(const mp_int *a, + const mp_int *b, mp_int *c); /* 54 */ -EXTERN int TclBN_mp_karatsuba_sqr(mp_int *a, mp_int *b); +EXTERN int TclBN_mp_karatsuba_sqr(const mp_int *a, mp_int *b); /* 55 */ -EXTERN int TclBN_mp_toom_mul(mp_int *a, mp_int *b, mp_int *c); +EXTERN int TclBN_mp_toom_mul(const mp_int *a, const mp_int *b, + mp_int *c); /* 56 */ -EXTERN int TclBN_mp_toom_sqr(mp_int *a, mp_int *b); +EXTERN int TclBN_mp_toom_sqr(const mp_int *a, mp_int *b); /* 57 */ -EXTERN int TclBN_s_mp_add(mp_int *a, mp_int *b, mp_int *c); +EXTERN int TclBN_s_mp_add(const mp_int *a, const mp_int *b, + mp_int *c); /* 58 */ -EXTERN int TclBN_s_mp_mul_digs(mp_int *a, mp_int *b, mp_int *c, - int digs); +EXTERN int TclBN_s_mp_mul_digs(const mp_int *a, const mp_int *b, + mp_int *c, int digs); /* 59 */ -EXTERN int TclBN_s_mp_sqr(mp_int *a, mp_int *b); +EXTERN int TclBN_s_mp_sqr(const mp_int *a, mp_int *b); /* 60 */ -EXTERN int TclBN_s_mp_sub(mp_int *a, mp_int *b, mp_int *c); +EXTERN int TclBN_s_mp_sub(const mp_int *a, const mp_int *b, + mp_int *c); /* 61 */ EXTERN int TclBN_mp_init_set_int(mp_int *a, unsigned long i); /* 62 */ @@ -282,16 +303,27 @@ EXTERN int TclBN_mp_set_int(mp_int *a, unsigned long i); /* 63 */ EXTERN int TclBN_mp_cnt_lsb(const mp_int *a); /* 64 */ -EXTERN void TclBNInitBignumFromLong(mp_int *bignum, long initVal); +TCL_DEPRECATED("Use mp_init() + mp_set_long_long()") +void TclBNInitBignumFromLong(mp_int *bignum, long initVal); /* 65 */ -EXTERN void TclBNInitBignumFromWideInt(mp_int *bignum, +TCL_DEPRECATED("Use mp_init() + mp_set_long_long()") +void TclBNInitBignumFromWideInt(mp_int *bignum, Tcl_WideInt initVal); /* 66 */ -EXTERN void TclBNInitBignumFromWideUInt(mp_int *bignum, +TCL_DEPRECATED("Use mp_init() + mp_set_long_long()") +void TclBNInitBignumFromWideUInt(mp_int *bignum, Tcl_WideUInt initVal); /* 67 */ -EXTERN int TclBN_mp_expt_d_ex(mp_int *a, mp_digit b, mp_int *c, - int fast); +EXTERN int TclBN_mp_expt_d_ex(const mp_int *a, mp_digit b, + mp_int *c, int fast); +/* 68 */ +EXTERN int TclBN_mp_set_long_long(mp_int *a, Tcl_WideUInt i); +/* 69 */ +EXTERN Tcl_WideUInt TclBN_mp_get_long_long(const mp_int *a); +/* 70 */ +EXTERN int TclBN_mp_set_long(mp_int *a, unsigned long i); +/* 71 */ +EXTERN unsigned long TclBN_mp_get_long(const mp_int *a); typedef struct TclTomMathStubs { int magic; @@ -299,9 +331,9 @@ typedef struct TclTomMathStubs { int (*tclBN_epoch) (void); /* 0 */ int (*tclBN_revision) (void); /* 1 */ - int (*tclBN_mp_add) (mp_int *a, mp_int *b, mp_int *c); /* 2 */ - int (*tclBN_mp_add_d) (mp_int *a, mp_digit b, mp_int *c); /* 3 */ - int (*tclBN_mp_and) (mp_int *a, mp_int *b, mp_int *c); /* 4 */ + int (*tclBN_mp_add) (const mp_int *a, const mp_int *b, mp_int *c); /* 2 */ + int (*tclBN_mp_add_d) (const mp_int *a, mp_digit b, mp_int *c); /* 3 */ + int (*tclBN_mp_and) (const mp_int *a, const mp_int *b, mp_int *c); /* 4 */ void (*tclBN_mp_clamp) (mp_int *a); /* 5 */ void (*tclBN_mp_clear) (mp_int *a); /* 6 */ void (*tclBN_mp_clear_multi) (mp_int *a, ...); /* 7 */ @@ -310,13 +342,13 @@ typedef struct TclTomMathStubs { int (*tclBN_mp_cmp_mag) (const mp_int *a, const mp_int *b); /* 10 */ int (*tclBN_mp_copy) (const mp_int *a, mp_int *b); /* 11 */ int (*tclBN_mp_count_bits) (const mp_int *a); /* 12 */ - int (*tclBN_mp_div) (mp_int *a, mp_int *b, mp_int *q, mp_int *r); /* 13 */ - int (*tclBN_mp_div_d) (mp_int *a, mp_digit b, mp_int *q, mp_digit *r); /* 14 */ - int (*tclBN_mp_div_2) (mp_int *a, mp_int *q); /* 15 */ + int (*tclBN_mp_div) (const mp_int *a, const mp_int *b, mp_int *q, mp_int *r); /* 13 */ + int (*tclBN_mp_div_d) (const mp_int *a, mp_digit b, mp_int *q, mp_digit *r); /* 14 */ + int (*tclBN_mp_div_2) (const mp_int *a, mp_int *q); /* 15 */ int (*tclBN_mp_div_2d) (const mp_int *a, int b, mp_int *q, mp_int *r); /* 16 */ - int (*tclBN_mp_div_3) (mp_int *a, mp_int *q, mp_digit *r); /* 17 */ + int (*tclBN_mp_div_3) (const mp_int *a, mp_int *q, mp_digit *r); /* 17 */ void (*tclBN_mp_exch) (mp_int *a, mp_int *b); /* 18 */ - int (*tclBN_mp_expt_d) (mp_int *a, mp_digit b, mp_int *c); /* 19 */ + int (*tclBN_mp_expt_d) (const mp_int *a, mp_digit b, mp_int *c); /* 19 */ int (*tclBN_mp_grow) (mp_int *a, int size); /* 20 */ int (*tclBN_mp_init) (mp_int *a); /* 21 */ int (*tclBN_mp_init_copy) (mp_int *a, const mp_int *b); /* 22 */ @@ -324,47 +356,51 @@ typedef struct TclTomMathStubs { int (*tclBN_mp_init_set) (mp_int *a, mp_digit b); /* 24 */ int (*tclBN_mp_init_size) (mp_int *a, int size); /* 25 */ int (*tclBN_mp_lshd) (mp_int *a, int shift); /* 26 */ - int (*tclBN_mp_mod) (mp_int *a, mp_int *b, mp_int *r); /* 27 */ + int (*tclBN_mp_mod) (const mp_int *a, const mp_int *b, mp_int *r); /* 27 */ int (*tclBN_mp_mod_2d) (const mp_int *a, int b, mp_int *r); /* 28 */ - int (*tclBN_mp_mul) (mp_int *a, mp_int *b, mp_int *p); /* 29 */ - int (*tclBN_mp_mul_d) (mp_int *a, mp_digit b, mp_int *p); /* 30 */ - int (*tclBN_mp_mul_2) (mp_int *a, mp_int *p); /* 31 */ + int (*tclBN_mp_mul) (const mp_int *a, const mp_int *b, mp_int *p); /* 29 */ + int (*tclBN_mp_mul_d) (const mp_int *a, mp_digit b, mp_int *p); /* 30 */ + int (*tclBN_mp_mul_2) (const mp_int *a, mp_int *p); /* 31 */ int (*tclBN_mp_mul_2d) (const mp_int *a, int d, mp_int *p); /* 32 */ int (*tclBN_mp_neg) (const mp_int *a, mp_int *b); /* 33 */ - int (*tclBN_mp_or) (mp_int *a, mp_int *b, mp_int *c); /* 34 */ + int (*tclBN_mp_or) (const mp_int *a, const mp_int *b, mp_int *c); /* 34 */ int (*tclBN_mp_radix_size) (const mp_int *a, int radix, int *size); /* 35 */ int (*tclBN_mp_read_radix) (mp_int *a, const char *str, int radix); /* 36 */ void (*tclBN_mp_rshd) (mp_int *a, int shift); /* 37 */ int (*tclBN_mp_shrink) (mp_int *a); /* 38 */ void (*tclBN_mp_set) (mp_int *a, mp_digit b); /* 39 */ - int (*tclBN_mp_sqr) (mp_int *a, mp_int *b); /* 40 */ - int (*tclBN_mp_sqrt) (mp_int *a, mp_int *b); /* 41 */ - int (*tclBN_mp_sub) (mp_int *a, mp_int *b, mp_int *c); /* 42 */ - int (*tclBN_mp_sub_d) (mp_int *a, mp_digit b, mp_int *c); /* 43 */ - int (*tclBN_mp_to_unsigned_bin) (mp_int *a, unsigned char *b); /* 44 */ - int (*tclBN_mp_to_unsigned_bin_n) (mp_int *a, unsigned char *b, unsigned long *outlen); /* 45 */ - int (*tclBN_mp_toradix_n) (mp_int *a, char *str, int radix, int maxlen); /* 46 */ - int (*tclBN_mp_unsigned_bin_size) (mp_int *a); /* 47 */ - int (*tclBN_mp_xor) (mp_int *a, mp_int *b, mp_int *c); /* 48 */ + int (*tclBN_mp_sqr) (const mp_int *a, mp_int *b); /* 40 */ + int (*tclBN_mp_sqrt) (const mp_int *a, mp_int *b); /* 41 */ + int (*tclBN_mp_sub) (const mp_int *a, const mp_int *b, mp_int *c); /* 42 */ + int (*tclBN_mp_sub_d) (const mp_int *a, mp_digit b, mp_int *c); /* 43 */ + int (*tclBN_mp_to_unsigned_bin) (const mp_int *a, unsigned char *b); /* 44 */ + int (*tclBN_mp_to_unsigned_bin_n) (const mp_int *a, unsigned char *b, unsigned long *outlen); /* 45 */ + int (*tclBN_mp_toradix_n) (const mp_int *a, char *str, int radix, int maxlen); /* 46 */ + int (*tclBN_mp_unsigned_bin_size) (const mp_int *a); /* 47 */ + int (*tclBN_mp_xor) (const mp_int *a, const mp_int *b, mp_int *c); /* 48 */ void (*tclBN_mp_zero) (mp_int *a); /* 49 */ void (*tclBN_reverse) (unsigned char *s, int len); /* 50 */ - int (*tclBN_fast_s_mp_mul_digs) (mp_int *a, mp_int *b, mp_int *c, int digs); /* 51 */ - int (*tclBN_fast_s_mp_sqr) (mp_int *a, mp_int *b); /* 52 */ - int (*tclBN_mp_karatsuba_mul) (mp_int *a, mp_int *b, mp_int *c); /* 53 */ - int (*tclBN_mp_karatsuba_sqr) (mp_int *a, mp_int *b); /* 54 */ - int (*tclBN_mp_toom_mul) (mp_int *a, mp_int *b, mp_int *c); /* 55 */ - int (*tclBN_mp_toom_sqr) (mp_int *a, mp_int *b); /* 56 */ - int (*tclBN_s_mp_add) (mp_int *a, mp_int *b, mp_int *c); /* 57 */ - int (*tclBN_s_mp_mul_digs) (mp_int *a, mp_int *b, mp_int *c, int digs); /* 58 */ - int (*tclBN_s_mp_sqr) (mp_int *a, mp_int *b); /* 59 */ - int (*tclBN_s_mp_sub) (mp_int *a, mp_int *b, mp_int *c); /* 60 */ + int (*tclBN_fast_s_mp_mul_digs) (const mp_int *a, const mp_int *b, mp_int *c, int digs); /* 51 */ + int (*tclBN_fast_s_mp_sqr) (const mp_int *a, mp_int *b); /* 52 */ + int (*tclBN_mp_karatsuba_mul) (const mp_int *a, const mp_int *b, mp_int *c); /* 53 */ + int (*tclBN_mp_karatsuba_sqr) (const mp_int *a, mp_int *b); /* 54 */ + int (*tclBN_mp_toom_mul) (const mp_int *a, const mp_int *b, mp_int *c); /* 55 */ + int (*tclBN_mp_toom_sqr) (const mp_int *a, mp_int *b); /* 56 */ + int (*tclBN_s_mp_add) (const mp_int *a, const mp_int *b, mp_int *c); /* 57 */ + int (*tclBN_s_mp_mul_digs) (const mp_int *a, const mp_int *b, mp_int *c, int digs); /* 58 */ + int (*tclBN_s_mp_sqr) (const mp_int *a, mp_int *b); /* 59 */ + int (*tclBN_s_mp_sub) (const mp_int *a, const mp_int *b, mp_int *c); /* 60 */ int (*tclBN_mp_init_set_int) (mp_int *a, unsigned long i); /* 61 */ int (*tclBN_mp_set_int) (mp_int *a, unsigned long i); /* 62 */ int (*tclBN_mp_cnt_lsb) (const mp_int *a); /* 63 */ - void (*tclBNInitBignumFromLong) (mp_int *bignum, long initVal); /* 64 */ - void (*tclBNInitBignumFromWideInt) (mp_int *bignum, Tcl_WideInt initVal); /* 65 */ - void (*tclBNInitBignumFromWideUInt) (mp_int *bignum, Tcl_WideUInt initVal); /* 66 */ - int (*tclBN_mp_expt_d_ex) (mp_int *a, mp_digit b, mp_int *c, int fast); /* 67 */ + TCL_DEPRECATED_API("Use mp_init() + mp_set_long_long()") void (*tclBNInitBignumFromLong) (mp_int *bignum, long initVal); /* 64 */ + TCL_DEPRECATED_API("Use mp_init() + mp_set_long_long()") void (*tclBNInitBignumFromWideInt) (mp_int *bignum, Tcl_WideInt initVal); /* 65 */ + TCL_DEPRECATED_API("Use mp_init() + mp_set_long_long()") void (*tclBNInitBignumFromWideUInt) (mp_int *bignum, Tcl_WideUInt initVal); /* 66 */ + int (*tclBN_mp_expt_d_ex) (const mp_int *a, mp_digit b, mp_int *c, int fast); /* 67 */ + int (*tclBN_mp_set_long_long) (mp_int *a, Tcl_WideUInt i); /* 68 */ + Tcl_WideUInt (*tclBN_mp_get_long_long) (const mp_int *a); /* 69 */ + int (*tclBN_mp_set_long) (mp_int *a, unsigned long i); /* 70 */ + unsigned long (*tclBN_mp_get_long) (const mp_int *a); /* 71 */ } TclTomMathStubs; extern const TclTomMathStubs *tclTomMathStubsPtr; @@ -515,6 +551,14 @@ extern const TclTomMathStubs *tclTomMathStubsPtr; (tclTomMathStubsPtr->tclBNInitBignumFromWideUInt) /* 66 */ #define TclBN_mp_expt_d_ex \ (tclTomMathStubsPtr->tclBN_mp_expt_d_ex) /* 67 */ +#define TclBN_mp_set_long_long \ + (tclTomMathStubsPtr->tclBN_mp_set_long_long) /* 68 */ +#define TclBN_mp_get_long_long \ + (tclTomMathStubsPtr->tclBN_mp_get_long_long) /* 69 */ +#define TclBN_mp_set_long \ + (tclTomMathStubsPtr->tclBN_mp_set_long) /* 70 */ +#define TclBN_mp_get_long \ + (tclTomMathStubsPtr->tclBN_mp_get_long) /* 71 */ #endif /* defined(USE_TCL_STUBS) */ diff --git a/generic/tclTomMathInterface.c b/generic/tclTomMathInterface.c index 48db8c3..9e7bf4b 100644 --- a/generic/tclTomMathInterface.c +++ b/generic/tclTomMathInterface.c @@ -89,86 +89,11 @@ TclBN_revision(void) { return TCLTOMMATH_REVISION; } -#if 0 /* *---------------------------------------------------------------------- * - * TclBNAlloc -- - * - * Allocate memory for libtommath. - * - * Results: - * Returns a pointer to the allocated block. - * - * This procedure is a wrapper around Tcl_Alloc, needed because of a - * mismatched type signature between Tcl_Alloc and malloc. - * - *---------------------------------------------------------------------- - */ - -extern void * -TclBNAlloc( - size_t x) -{ - return (void *) ckalloc((unsigned int) x); -} - -/* - *---------------------------------------------------------------------- - * - * TclBNRealloc -- - * - * Change the size of an allocated block of memory in libtommath - * - * Results: - * Returns a pointer to the allocated block. - * - * This procedure is a wrapper around Tcl_Realloc, needed because of a - * mismatched type signature between Tcl_Realloc and realloc. - * - *---------------------------------------------------------------------- - */ - -void * -TclBNRealloc( - void *p, - size_t s) -{ - return (void *) ckrealloc((char *) p, (unsigned int) s); -} - -/* - *---------------------------------------------------------------------- - * - * TclBNFree -- - * - * Free allocated memory in libtommath. - * - * Results: - * None. - * - * Side effects: - * Memory is freed. - * - * This function is simply a wrapper around Tcl_Free, needed in libtommath - * because of a type mismatch between free and Tcl_Free. - * - *---------------------------------------------------------------------- - */ - -extern void -TclBNFree( - void *p) -{ - ckree((char *) p); -} -#endif - -/* - *---------------------------------------------------------------------- - * - * TclBNInitBignumFromLong -- + * TclInitBignumFromLong -- * * Allocate and initialize a 'bignum' from a native 'long'. * @@ -181,47 +106,20 @@ TclBNFree( *---------------------------------------------------------------------- */ -extern void -TclBNInitBignumFromLong( +void +TclInitBignumFromLong( mp_int *a, - long initVal) + long v) { - int status; - unsigned long v; - mp_digit *p; - - /* - * Allocate enough memory to hold the largest possible long - */ - - status = mp_init_size(a, - (CHAR_BIT * sizeof(long) + DIGIT_BIT - 1) / DIGIT_BIT); - if (status != MP_OKAY) { - Tcl_Panic("initialization failure in TclBNInitBignumFromLong"); + if (mp_init_size(a, (CHAR_BIT * sizeof(long) + DIGIT_BIT - 1) / DIGIT_BIT) != MP_OKAY) { + Tcl_Panic("initialization failure in TclInitBignumFromLong"); } - - /* - * Convert arg to sign and magnitude. - */ - - if (initVal < 0) { - a->sign = MP_NEG; - v = -initVal; + if (v < (long)0) { + mp_set_long_long(a, (Tcl_WideUInt)(-(Tcl_WideInt)v)); + mp_neg(a, a); } else { - a->sign = MP_ZPOS; - v = initVal; - } - - /* - * Store the magnitude in the bignum. - */ - - p = a->dp; - while (v) { - *p++ = (mp_digit) (v & MP_MASK); - v >>= MP_DIGIT_BIT; + mp_set_long_long(a, (Tcl_WideUInt)v); } - a->used = p - a->dp; } /* @@ -240,16 +138,19 @@ TclBNInitBignumFromLong( *---------------------------------------------------------------------- */ -extern void -TclBNInitBignumFromWideInt( +void +TclInitBignumFromWideInt( mp_int *a, /* Bignum to initialize */ Tcl_WideInt v) /* Initial value */ { + if (mp_init_size(a, (CHAR_BIT * sizeof(Tcl_WideUInt) + DIGIT_BIT - 1) / DIGIT_BIT) != MP_OKAY) { + Tcl_Panic("initialization failure in TclInitBignumFromWideInt"); + } if (v < (Tcl_WideInt)0) { - TclBNInitBignumFromWideUInt(a, (Tcl_WideUInt)(-v)); + mp_set_long_long(a, (Tcl_WideUInt)(-v)); mp_neg(a, a); } else { - TclBNInitBignumFromWideUInt(a, (Tcl_WideUInt)v); + mp_set_long_long(a, (Tcl_WideUInt)v); } } @@ -269,36 +170,15 @@ TclBNInitBignumFromWideInt( *---------------------------------------------------------------------- */ -extern void -TclBNInitBignumFromWideUInt( +void +TclInitBignumFromWideUInt( mp_int *a, /* Bignum to initialize */ Tcl_WideUInt v) /* Initial value */ { - int status; - mp_digit *p; - - /* - * Allocate enough memory to hold the largest possible Tcl_WideUInt. - */ - - status = mp_init_size(a, - (CHAR_BIT * sizeof(Tcl_WideUInt) + DIGIT_BIT - 1) / DIGIT_BIT); - if (status != MP_OKAY) { - Tcl_Panic("initialization failure in TclBNInitBignumFromWideUInt"); - } - - a->sign = MP_ZPOS; - - /* - * Store the magnitude in the bignum. - */ - - p = a->dp; - while (v) { - *p++ = (mp_digit) (v & MP_MASK); - v >>= MP_DIGIT_BIT; - } - a->used = p - a->dp; + if (mp_init_size(a, (CHAR_BIT * sizeof(Tcl_WideUInt) + DIGIT_BIT - 1) / DIGIT_BIT) != MP_OKAY) { + Tcl_Panic("initialization failure in TclInitBignumFromWideUInt"); + } + mp_set_long_long(a, v); } /* diff --git a/library/init.tcl b/library/init.tcl index ece1e44..87d9f14 100644 --- a/library/init.tcl +++ b/library/init.tcl @@ -16,7 +16,7 @@ if {[info commands package] == ""} { error "version mismatch: library\nscripts expect Tcl version 7.5b1 or later but the loaded version is\nonly [info patchlevel]" } -package require -exact Tcl 8.7a0 +package require -exact Tcl 8.7a2 # Compute the auto path to use in this interpreter. # The values on the path come from several locations: @@ -642,7 +642,7 @@ proc auto_import {pattern} { if {$tcl_platform(platform) eq "windows"} { # Windows version. # -# Note that info executable doesn't work under Windows, so we have to +# Note that file executable doesn't work under Windows, so we have to # look for files with .exe, .com, or .bat extensions. Also, the path # may be in the Path or PATH environment variables, and path # components are separated with semicolons, not colons as under Unix. diff --git a/libtommath/astylerc b/libtommath/astylerc new file mode 100644 index 0000000..5d63f7a --- /dev/null +++ b/libtommath/astylerc @@ -0,0 +1,27 @@ +# Artistic Style, see http://astyle.sourceforge.net/ +# full documentation, see: http://astyle.sourceforge.net/astyle.html +# +# usage: +# astyle --options=astylerc *.[ch] + +## Bracket Style Options +style=kr + +## Tab Options +indent=spaces=3 + +## Bracket Modify Options + +## Indentation Options +min-conditional-indent=0 + +## Padding Options +pad-header +unpad-paren +align-pointer=name + +## Formatting Options +break-after-logical +max-code-length=120 +convert-tabs +mode=c diff --git a/libtommath/bn_error.c b/libtommath/bn_error.c index 0d77411..a51d712 100644 --- a/libtommath/bn_error.c +++ b/libtommath/bn_error.c @@ -16,12 +16,12 @@ */ static const struct { - int code; - const char *msg; + int code; + const char *msg; } msgs[] = { - { MP_OKAY, "Successful" }, - { MP_MEM, "Out of heap" }, - { MP_VAL, "Value out of range" } + { MP_OKAY, "Successful" }, + { MP_MEM, "Out of heap" }, + { MP_VAL, "Value out of range" } }; /* return a char * string for a given code */ @@ -31,9 +31,9 @@ const char *mp_error_to_string(int code) /* scan the lookup table for the given message */ for (x = 0; x < (int)(sizeof(msgs) / sizeof(msgs[0])); x++) { - if (msgs[x].code == code) { - return msgs[x].msg; - } + if (msgs[x].code == code) { + return msgs[x].msg; + } } /* generic reply for invalid code */ diff --git a/libtommath/bn_fast_mp_invmod.c b/libtommath/bn_fast_mp_invmod.c index 12f42de..08389dd 100644 --- a/libtommath/bn_fast_mp_invmod.c +++ b/libtommath/bn_fast_mp_invmod.c @@ -15,131 +15,132 @@ * Tom St Denis, tstdenis82@gmail.com, http://libtom.org */ -/* computes the modular inverse via binary extended euclidean algorithm, - * that is c = 1/a mod b +/* computes the modular inverse via binary extended euclidean algorithm, + * that is c = 1/a mod b * - * Based on slow invmod except this is optimized for the case where b is + * Based on slow invmod except this is optimized for the case where b is * odd as per HAC Note 14.64 on pp. 610 */ -int fast_mp_invmod (mp_int * a, mp_int * b, mp_int * c) +int fast_mp_invmod(const mp_int *a, const mp_int *b, mp_int *c) { - mp_int x, y, u, v, B, D; - int res, neg; - - /* 2. [modified] b must be odd */ - if (mp_iseven (b) == MP_YES) { - return MP_VAL; - } - - /* init all our temps */ - if ((res = mp_init_multi(&x, &y, &u, &v, &B, &D, NULL)) != MP_OKAY) { - return res; - } - - /* x == modulus, y == value to invert */ - if ((res = mp_copy (b, &x)) != MP_OKAY) { - goto LBL_ERR; - } - - /* we need y = |a| */ - if ((res = mp_mod (a, b, &y)) != MP_OKAY) { - goto LBL_ERR; - } - - /* 3. u=x, v=y, A=1, B=0, C=0,D=1 */ - if ((res = mp_copy (&x, &u)) != MP_OKAY) { - goto LBL_ERR; - } - if ((res = mp_copy (&y, &v)) != MP_OKAY) { - goto LBL_ERR; - } - mp_set (&D, 1); + mp_int x, y, u, v, B, D; + int res, neg; -top: - /* 4. while u is even do */ - while (mp_iseven (&u) == MP_YES) { - /* 4.1 u = u/2 */ - if ((res = mp_div_2 (&u, &u)) != MP_OKAY) { - goto LBL_ERR; - } - /* 4.2 if B is odd then */ - if (mp_isodd (&B) == MP_YES) { - if ((res = mp_sub (&B, &x, &B)) != MP_OKAY) { - goto LBL_ERR; - } - } - /* B = B/2 */ - if ((res = mp_div_2 (&B, &B)) != MP_OKAY) { - goto LBL_ERR; - } - } + /* 2. [modified] b must be odd */ + if (mp_iseven(b) == MP_YES) { + return MP_VAL; + } - /* 5. while v is even do */ - while (mp_iseven (&v) == MP_YES) { - /* 5.1 v = v/2 */ - if ((res = mp_div_2 (&v, &v)) != MP_OKAY) { - goto LBL_ERR; - } - /* 5.2 if D is odd then */ - if (mp_isodd (&D) == MP_YES) { - /* D = (D-x)/2 */ - if ((res = mp_sub (&D, &x, &D)) != MP_OKAY) { - goto LBL_ERR; - } - } - /* D = D/2 */ - if ((res = mp_div_2 (&D, &D)) != MP_OKAY) { + /* init all our temps */ + if ((res = mp_init_multi(&x, &y, &u, &v, &B, &D, NULL)) != MP_OKAY) { + return res; + } + + /* x == modulus, y == value to invert */ + if ((res = mp_copy(b, &x)) != MP_OKAY) { goto LBL_ERR; - } - } + } - /* 6. if u >= v then */ - if (mp_cmp (&u, &v) != MP_LT) { - /* u = u - v, B = B - D */ - if ((res = mp_sub (&u, &v, &u)) != MP_OKAY) { + /* we need y = |a| */ + if ((res = mp_mod(a, b, &y)) != MP_OKAY) { goto LBL_ERR; - } + } - if ((res = mp_sub (&B, &D, &B)) != MP_OKAY) { + /* 3. u=x, v=y, A=1, B=0, C=0,D=1 */ + if ((res = mp_copy(&x, &u)) != MP_OKAY) { goto LBL_ERR; - } - } else { - /* v - v - u, D = D - B */ - if ((res = mp_sub (&v, &u, &v)) != MP_OKAY) { + } + if ((res = mp_copy(&y, &v)) != MP_OKAY) { goto LBL_ERR; - } + } + mp_set(&D, 1); - if ((res = mp_sub (&D, &B, &D)) != MP_OKAY) { - goto LBL_ERR; - } - } - - /* if not zero goto step 4 */ - if (mp_iszero (&u) == MP_NO) { - goto top; - } - - /* now a = C, b = D, gcd == g*v */ - - /* if v != 1 then there is no inverse */ - if (mp_cmp_d (&v, 1) != MP_EQ) { - res = MP_VAL; - goto LBL_ERR; - } - - /* b is now the inverse */ - neg = a->sign; - while (D.sign == MP_NEG) { - if ((res = mp_add (&D, b, &D)) != MP_OKAY) { +top: + /* 4. while u is even do */ + while (mp_iseven(&u) == MP_YES) { + /* 4.1 u = u/2 */ + if ((res = mp_div_2(&u, &u)) != MP_OKAY) { + goto LBL_ERR; + } + /* 4.2 if B is odd then */ + if (mp_isodd(&B) == MP_YES) { + if ((res = mp_sub(&B, &x, &B)) != MP_OKAY) { + goto LBL_ERR; + } + } + /* B = B/2 */ + if ((res = mp_div_2(&B, &B)) != MP_OKAY) { + goto LBL_ERR; + } + } + + /* 5. while v is even do */ + while (mp_iseven(&v) == MP_YES) { + /* 5.1 v = v/2 */ + if ((res = mp_div_2(&v, &v)) != MP_OKAY) { + goto LBL_ERR; + } + /* 5.2 if D is odd then */ + if (mp_isodd(&D) == MP_YES) { + /* D = (D-x)/2 */ + if ((res = mp_sub(&D, &x, &D)) != MP_OKAY) { + goto LBL_ERR; + } + } + /* D = D/2 */ + if ((res = mp_div_2(&D, &D)) != MP_OKAY) { + goto LBL_ERR; + } + } + + /* 6. if u >= v then */ + if (mp_cmp(&u, &v) != MP_LT) { + /* u = u - v, B = B - D */ + if ((res = mp_sub(&u, &v, &u)) != MP_OKAY) { + goto LBL_ERR; + } + + if ((res = mp_sub(&B, &D, &B)) != MP_OKAY) { + goto LBL_ERR; + } + } else { + /* v - v - u, D = D - B */ + if ((res = mp_sub(&v, &u, &v)) != MP_OKAY) { + goto LBL_ERR; + } + + if ((res = mp_sub(&D, &B, &D)) != MP_OKAY) { + goto LBL_ERR; + } + } + + /* if not zero goto step 4 */ + if (mp_iszero(&u) == MP_NO) { + goto top; + } + + /* now a = C, b = D, gcd == g*v */ + + /* if v != 1 then there is no inverse */ + if (mp_cmp_d(&v, 1) != MP_EQ) { + res = MP_VAL; goto LBL_ERR; - } - } - mp_exch (&D, c); - c->sign = neg; - res = MP_OKAY; - -LBL_ERR:mp_clear_multi (&x, &y, &u, &v, &B, &D, NULL); - return res; + } + + /* b is now the inverse */ + neg = a->sign; + while (D.sign == MP_NEG) { + if ((res = mp_add(&D, b, &D)) != MP_OKAY) { + goto LBL_ERR; + } + } + mp_exch(&D, c); + c->sign = neg; + res = MP_OKAY; + +LBL_ERR: + mp_clear_multi(&x, &y, &u, &v, &B, &D, NULL); + return res; } #endif diff --git a/libtommath/bn_fast_mp_montgomery_reduce.c b/libtommath/bn_fast_mp_montgomery_reduce.c index 16d5ff7..54d9b0a 100644 --- a/libtommath/bn_fast_mp_montgomery_reduce.c +++ b/libtommath/bn_fast_mp_montgomery_reduce.c @@ -23,147 +23,147 @@ * * Based on Algorithm 14.32 on pp.601 of HAC. */ -int fast_mp_montgomery_reduce (mp_int * x, mp_int * n, mp_digit rho) +int fast_mp_montgomery_reduce(mp_int *x, const mp_int *n, mp_digit rho) { - int ix, res, olduse; - mp_word W[MP_WARRAY]; - - /* get old used count */ - olduse = x->used; - - /* grow a as required */ - if (x->alloc < (n->used + 1)) { - if ((res = mp_grow (x, n->used + 1)) != MP_OKAY) { - return res; - } - } - - /* first we have to get the digits of the input into - * an array of double precision words W[...] - */ - { - mp_word *_W; - mp_digit *tmpx; - - /* alias for the W[] array */ - _W = W; - - /* alias for the digits of x*/ - tmpx = x->dp; - - /* copy the digits of a into W[0..a->used-1] */ - for (ix = 0; ix < x->used; ix++) { - *_W++ = *tmpx++; - } - - /* zero the high words of W[a->used..m->used*2] */ - for (; ix < ((n->used * 2) + 1); ix++) { - *_W++ = 0; - } - } - - /* now we proceed to zero successive digits - * from the least significant upwards - */ - for (ix = 0; ix < n->used; ix++) { - /* mu = ai * m' mod b - * - * We avoid a double precision multiplication (which isn't required) - * by casting the value down to a mp_digit. Note this requires - * that W[ix-1] have the carry cleared (see after the inner loop) - */ - mp_digit mu; - mu = (mp_digit) (((W[ix] & MP_MASK) * rho) & MP_MASK); - - /* a = a + mu * m * b**i - * - * This is computed in place and on the fly. The multiplication - * by b**i is handled by offseting which columns the results - * are added to. - * - * Note the comba method normally doesn't handle carries in the - * inner loop In this case we fix the carry from the previous - * column since the Montgomery reduction requires digits of the - * result (so far) [see above] to work. This is - * handled by fixing up one carry after the inner loop. The - * carry fixups are done in order so after these loops the - * first m->used words of W[] have the carries fixed - */ - { - int iy; - mp_digit *tmpn; + int ix, res, olduse; + mp_word W[MP_WARRAY]; + + /* get old used count */ + olduse = x->used; + + /* grow a as required */ + if (x->alloc < (n->used + 1)) { + if ((res = mp_grow(x, n->used + 1)) != MP_OKAY) { + return res; + } + } + + /* first we have to get the digits of the input into + * an array of double precision words W[...] + */ + { mp_word *_W; + mp_digit *tmpx; + + /* alias for the W[] array */ + _W = W; - /* alias for the digits of the modulus */ - tmpn = n->dp; + /* alias for the digits of x*/ + tmpx = x->dp; - /* Alias for the columns set by an offset of ix */ - _W = W + ix; + /* copy the digits of a into W[0..a->used-1] */ + for (ix = 0; ix < x->used; ix++) { + *_W++ = *tmpx++; + } - /* inner loop */ - for (iy = 0; iy < n->used; iy++) { - *_W++ += ((mp_word)mu) * ((mp_word)*tmpn++); + /* zero the high words of W[a->used..m->used*2] */ + for (; ix < ((n->used * 2) + 1); ix++) { + *_W++ = 0; } - } - - /* now fix carry for next digit, W[ix+1] */ - W[ix + 1] += W[ix] >> ((mp_word) DIGIT_BIT); - } - - /* now we have to propagate the carries and - * shift the words downward [all those least - * significant digits we zeroed]. - */ - { - mp_digit *tmpx; - mp_word *_W, *_W1; - - /* nox fix rest of carries */ - - /* alias for current word */ - _W1 = W + ix; - - /* alias for next word, where the carry goes */ - _W = W + ++ix; - - for (; ix <= ((n->used * 2) + 1); ix++) { - *_W++ += *_W1++ >> ((mp_word) DIGIT_BIT); - } - - /* copy out, A = A/b**n - * - * The result is A/b**n but instead of converting from an - * array of mp_word to mp_digit than calling mp_rshd - * we just copy them in the right order - */ - - /* alias for destination word */ - tmpx = x->dp; - - /* alias for shifted double precision result */ - _W = W + n->used; - - for (ix = 0; ix < (n->used + 1); ix++) { - *tmpx++ = (mp_digit)(*_W++ & ((mp_word) MP_MASK)); - } - - /* zero oldused digits, if the input a was larger than - * m->used+1 we'll have to clear the digits - */ - for (; ix < olduse; ix++) { - *tmpx++ = 0; - } - } - - /* set the max used and clamp */ - x->used = n->used + 1; - mp_clamp (x); - - /* if A >= m then A = A - m */ - if (mp_cmp_mag (x, n) != MP_LT) { - return s_mp_sub (x, n, x); - } - return MP_OKAY; + } + + /* now we proceed to zero successive digits + * from the least significant upwards + */ + for (ix = 0; ix < n->used; ix++) { + /* mu = ai * m' mod b + * + * We avoid a double precision multiplication (which isn't required) + * by casting the value down to a mp_digit. Note this requires + * that W[ix-1] have the carry cleared (see after the inner loop) + */ + mp_digit mu; + mu = (mp_digit)(((W[ix] & MP_MASK) * rho) & MP_MASK); + + /* a = a + mu * m * b**i + * + * This is computed in place and on the fly. The multiplication + * by b**i is handled by offseting which columns the results + * are added to. + * + * Note the comba method normally doesn't handle carries in the + * inner loop In this case we fix the carry from the previous + * column since the Montgomery reduction requires digits of the + * result (so far) [see above] to work. This is + * handled by fixing up one carry after the inner loop. The + * carry fixups are done in order so after these loops the + * first m->used words of W[] have the carries fixed + */ + { + int iy; + mp_digit *tmpn; + mp_word *_W; + + /* alias for the digits of the modulus */ + tmpn = n->dp; + + /* Alias for the columns set by an offset of ix */ + _W = W + ix; + + /* inner loop */ + for (iy = 0; iy < n->used; iy++) { + *_W++ += ((mp_word)mu) * ((mp_word)*tmpn++); + } + } + + /* now fix carry for next digit, W[ix+1] */ + W[ix + 1] += W[ix] >> ((mp_word) DIGIT_BIT); + } + + /* now we have to propagate the carries and + * shift the words downward [all those least + * significant digits we zeroed]. + */ + { + mp_digit *tmpx; + mp_word *_W, *_W1; + + /* nox fix rest of carries */ + + /* alias for current word */ + _W1 = W + ix; + + /* alias for next word, where the carry goes */ + _W = W + ++ix; + + for (; ix <= ((n->used * 2) + 1); ix++) { + *_W++ += *_W1++ >> ((mp_word) DIGIT_BIT); + } + + /* copy out, A = A/b**n + * + * The result is A/b**n but instead of converting from an + * array of mp_word to mp_digit than calling mp_rshd + * we just copy them in the right order + */ + + /* alias for destination word */ + tmpx = x->dp; + + /* alias for shifted double precision result */ + _W = W + n->used; + + for (ix = 0; ix < (n->used + 1); ix++) { + *tmpx++ = (mp_digit)(*_W++ & ((mp_word) MP_MASK)); + } + + /* zero oldused digits, if the input a was larger than + * m->used+1 we'll have to clear the digits + */ + for (; ix < olduse; ix++) { + *tmpx++ = 0; + } + } + + /* set the max used and clamp */ + x->used = n->used + 1; + mp_clamp(x); + + /* if A >= m then A = A - m */ + if (mp_cmp_mag(x, n) != MP_LT) { + return s_mp_sub(x, n, x); + } + return MP_OKAY; } #endif diff --git a/libtommath/bn_fast_s_mp_mul_digs.c b/libtommath/bn_fast_s_mp_mul_digs.c index a1015af..558d151 100644 --- a/libtommath/bn_fast_s_mp_mul_digs.c +++ b/libtommath/bn_fast_s_mp_mul_digs.c @@ -17,39 +17,39 @@ /* Fast (comba) multiplier * - * This is the fast column-array [comba] multiplier. It is - * designed to compute the columns of the product first - * then handle the carries afterwards. This has the effect + * This is the fast column-array [comba] multiplier. It is + * designed to compute the columns of the product first + * then handle the carries afterwards. This has the effect * of making the nested loops that compute the columns very * simple and schedulable on super-scalar processors. * - * This has been modified to produce a variable number of - * digits of output so if say only a half-product is required - * you don't have to compute the upper half (a feature + * This has been modified to produce a variable number of + * digits of output so if say only a half-product is required + * you don't have to compute the upper half (a feature * required for fast Barrett reduction). * * Based on Algorithm 14.12 on pp.595 of HAC. * */ -int fast_s_mp_mul_digs (mp_int * a, mp_int * b, mp_int * c, int digs) +int fast_s_mp_mul_digs(const mp_int *a, const mp_int *b, mp_int *c, int digs) { - int olduse, res, pa, ix, iz; - mp_digit W[MP_WARRAY]; - mp_word _W; + int olduse, res, pa, ix, iz; + mp_digit W[MP_WARRAY]; + mp_word _W; - /* grow the destination as required */ - if (c->alloc < digs) { - if ((res = mp_grow (c, digs)) != MP_OKAY) { - return res; - } - } + /* grow the destination as required */ + if (c->alloc < digs) { + if ((res = mp_grow(c, digs)) != MP_OKAY) { + return res; + } + } - /* number of output digits to produce */ - pa = MIN(digs, a->used + b->used); + /* number of output digits to produce */ + pa = MIN(digs, a->used + b->used); - /* clear the carry */ - _W = 0; - for (ix = 0; ix < pa; ix++) { + /* clear the carry */ + _W = 0; + for (ix = 0; ix < pa; ix++) { int tx, ty; int iy; mp_digit *tmpx, *tmpy; @@ -62,7 +62,7 @@ int fast_s_mp_mul_digs (mp_int * a, mp_int * b, mp_int * c, int digs) tmpx = a->dp + tx; tmpy = b->dp + ty; - /* this is the number of times the loop will iterrate, essentially + /* this is the number of times the loop will iterrate, essentially while (tx++ < a->used && ty-- >= 0) { ... } */ iy = MIN(a->used-tx, ty+1); @@ -78,27 +78,27 @@ int fast_s_mp_mul_digs (mp_int * a, mp_int * b, mp_int * c, int digs) /* make next carry */ _W = _W >> ((mp_word)DIGIT_BIT); - } + } - /* setup dest */ - olduse = c->used; - c->used = pa; + /* setup dest */ + olduse = c->used; + c->used = pa; - { - mp_digit *tmpc; - tmpc = c->dp; - for (ix = 0; ix < (pa + 1); ix++) { - /* now extract the previous digit [below the carry] */ - *tmpc++ = W[ix]; - } + { + mp_digit *tmpc; + tmpc = c->dp; + for (ix = 0; ix < (pa + 1); ix++) { + /* now extract the previous digit [below the carry] */ + *tmpc++ = W[ix]; + } - /* clear unused digits [that existed in the old copy of c] */ - for (; ix < olduse; ix++) { - *tmpc++ = 0; - } - } - mp_clamp (c); - return MP_OKAY; + /* clear unused digits [that existed in the old copy of c] */ + for (; ix < olduse; ix++) { + *tmpc++ = 0; + } + } + mp_clamp(c); + return MP_OKAY; } #endif diff --git a/libtommath/bn_fast_s_mp_mul_high_digs.c b/libtommath/bn_fast_s_mp_mul_high_digs.c index 08f0355..8b662ed 100644 --- a/libtommath/bn_fast_s_mp_mul_high_digs.c +++ b/libtommath/bn_fast_s_mp_mul_high_digs.c @@ -24,24 +24,24 @@ * * Based on Algorithm 14.12 on pp.595 of HAC. */ -int fast_s_mp_mul_high_digs (mp_int * a, mp_int * b, mp_int * c, int digs) +int fast_s_mp_mul_high_digs(const mp_int *a, const mp_int *b, mp_int *c, int digs) { - int olduse, res, pa, ix, iz; - mp_digit W[MP_WARRAY]; - mp_word _W; + int olduse, res, pa, ix, iz; + mp_digit W[MP_WARRAY]; + mp_word _W; - /* grow the destination as required */ - pa = a->used + b->used; - if (c->alloc < pa) { - if ((res = mp_grow (c, pa)) != MP_OKAY) { - return res; - } - } + /* grow the destination as required */ + pa = a->used + b->used; + if (c->alloc < pa) { + if ((res = mp_grow(c, pa)) != MP_OKAY) { + return res; + } + } - /* number of output digits to produce */ - pa = a->used + b->used; - _W = 0; - for (ix = digs; ix < pa; ix++) { + /* number of output digits to produce */ + pa = a->used + b->used; + _W = 0; + for (ix = digs; ix < pa; ix++) { int tx, ty, iy; mp_digit *tmpx, *tmpy; @@ -53,7 +53,7 @@ int fast_s_mp_mul_high_digs (mp_int * a, mp_int * b, mp_int * c, int digs) tmpx = a->dp + tx; tmpy = b->dp + ty; - /* this is the number of times the loop will iterrate, essentially its + /* this is the number of times the loop will iterrate, essentially its while (tx++ < a->used && ty-- >= 0) { ... } */ iy = MIN(a->used-tx, ty+1); @@ -68,28 +68,28 @@ int fast_s_mp_mul_high_digs (mp_int * a, mp_int * b, mp_int * c, int digs) /* make next carry */ _W = _W >> ((mp_word)DIGIT_BIT); - } - - /* setup dest */ - olduse = c->used; - c->used = pa; + } + + /* setup dest */ + olduse = c->used; + c->used = pa; - { - mp_digit *tmpc; + { + mp_digit *tmpc; - tmpc = c->dp + digs; - for (ix = digs; ix < pa; ix++) { - /* now extract the previous digit [below the carry] */ - *tmpc++ = W[ix]; - } + tmpc = c->dp + digs; + for (ix = digs; ix < pa; ix++) { + /* now extract the previous digit [below the carry] */ + *tmpc++ = W[ix]; + } - /* clear unused digits [that existed in the old copy of c] */ - for (; ix < olduse; ix++) { - *tmpc++ = 0; - } - } - mp_clamp (c); - return MP_OKAY; + /* clear unused digits [that existed in the old copy of c] */ + for (; ix < olduse; ix++) { + *tmpc++ = 0; + } + } + mp_clamp(c); + return MP_OKAY; } #endif diff --git a/libtommath/bn_fast_s_mp_sqr.c b/libtommath/bn_fast_s_mp_sqr.c index f435af9..161f785 100644 --- a/libtommath/bn_fast_s_mp_sqr.c +++ b/libtommath/bn_fast_s_mp_sqr.c @@ -16,32 +16,32 @@ */ /* the jist of squaring... - * you do like mult except the offset of the tmpx [one that - * starts closer to zero] can't equal the offset of tmpy. + * you do like mult except the offset of the tmpx [one that + * starts closer to zero] can't equal the offset of tmpy. * So basically you set up iy like before then you min it with - * (ty-tx) so that it never happens. You double all those + * (ty-tx) so that it never happens. You double all those * you add in the inner loop After that loop you do the squares and add them in. */ -int fast_s_mp_sqr (mp_int * a, mp_int * b) +int fast_s_mp_sqr(const mp_int *a, mp_int *b) { - int olduse, res, pa, ix, iz; - mp_digit W[MP_WARRAY], *tmpx; - mp_word W1; - - /* grow the destination as required */ - pa = a->used + a->used; - if (b->alloc < pa) { - if ((res = mp_grow (b, pa)) != MP_OKAY) { - return res; - } - } - - /* number of output digits to produce */ - W1 = 0; - for (ix = 0; ix < pa; ix++) { + int olduse, res, pa, ix, iz; + mp_digit W[MP_WARRAY], *tmpx; + mp_word W1; + + /* grow the destination as required */ + pa = a->used + a->used; + if (b->alloc < pa) { + if ((res = mp_grow(b, pa)) != MP_OKAY) { + return res; + } + } + + /* number of output digits to produce */ + W1 = 0; + for (ix = 0; ix < pa; ix++) { int tx, ty, iy; mp_word _W; mp_digit *tmpy; @@ -62,7 +62,7 @@ int fast_s_mp_sqr (mp_int * a, mp_int * b) */ iy = MIN(a->used-tx, ty+1); - /* now for squaring tx can never equal ty + /* now for squaring tx can never equal ty * we halve the distance since they approach at a rate of 2x * and we have to round because odd cases need to be executed */ @@ -86,26 +86,26 @@ int fast_s_mp_sqr (mp_int * a, mp_int * b) /* make next carry */ W1 = _W >> ((mp_word)DIGIT_BIT); - } - - /* setup dest */ - olduse = b->used; - b->used = a->used+a->used; - - { - mp_digit *tmpb; - tmpb = b->dp; - for (ix = 0; ix < pa; ix++) { - *tmpb++ = W[ix] & MP_MASK; - } - - /* clear unused digits [that existed in the old copy of c] */ - for (; ix < olduse; ix++) { - *tmpb++ = 0; - } - } - mp_clamp (b); - return MP_OKAY; + } + + /* setup dest */ + olduse = b->used; + b->used = a->used+a->used; + + { + mp_digit *tmpb; + tmpb = b->dp; + for (ix = 0; ix < pa; ix++) { + *tmpb++ = W[ix] & MP_MASK; + } + + /* clear unused digits [that existed in the old copy of c] */ + for (; ix < olduse; ix++) { + *tmpb++ = 0; + } + } + mp_clamp(b); + return MP_OKAY; } #endif diff --git a/libtommath/bn_mp_2expt.c b/libtommath/bn_mp_2expt.c index 989bb9f..701144c 100644 --- a/libtommath/bn_mp_2expt.c +++ b/libtommath/bn_mp_2expt.c @@ -15,31 +15,30 @@ * Tom St Denis, tstdenis82@gmail.com, http://libtom.org */ -/* computes a = 2**b +/* computes a = 2**b * * Simple algorithm which zeroes the int, grows it then just sets one bit * as required. */ -int -mp_2expt (mp_int * a, int b) +int mp_2expt(mp_int *a, int b) { - int res; + int res; - /* zero a as per default */ - mp_zero (a); + /* zero a as per default */ + mp_zero(a); - /* grow a to accomodate the single bit */ - if ((res = mp_grow (a, (b / DIGIT_BIT) + 1)) != MP_OKAY) { - return res; - } + /* grow a to accomodate the single bit */ + if ((res = mp_grow(a, (b / DIGIT_BIT) + 1)) != MP_OKAY) { + return res; + } - /* set the used count of where the bit will go */ - a->used = (b / DIGIT_BIT) + 1; + /* set the used count of where the bit will go */ + a->used = (b / DIGIT_BIT) + 1; - /* put the single bit in its place */ - a->dp[b / DIGIT_BIT] = ((mp_digit)1) << (b % DIGIT_BIT); + /* put the single bit in its place */ + a->dp[b / DIGIT_BIT] = ((mp_digit)1) << (b % DIGIT_BIT); - return MP_OKAY; + return MP_OKAY; } #endif diff --git a/libtommath/bn_mp_abs.c b/libtommath/bn_mp_abs.c index e7c5e25..9b6bcec 100644 --- a/libtommath/bn_mp_abs.c +++ b/libtommath/bn_mp_abs.c @@ -15,26 +15,25 @@ * Tom St Denis, tstdenis82@gmail.com, http://libtom.org */ -/* b = |a| +/* b = |a| * * Simple function copies the input and fixes the sign to positive */ -int -mp_abs (mp_int * a, mp_int * b) +int mp_abs(const mp_int *a, mp_int *b) { - int res; + int res; - /* copy a to b */ - if (a != b) { - if ((res = mp_copy (a, b)) != MP_OKAY) { - return res; - } - } + /* copy a to b */ + if (a != b) { + if ((res = mp_copy(a, b)) != MP_OKAY) { + return res; + } + } - /* force the sign of b to positive */ - b->sign = MP_ZPOS; + /* force the sign of b to positive */ + b->sign = MP_ZPOS; - return MP_OKAY; + return MP_OKAY; } #endif diff --git a/libtommath/bn_mp_add.c b/libtommath/bn_mp_add.c index bdb166f..d31d5a0 100644 --- a/libtommath/bn_mp_add.c +++ b/libtommath/bn_mp_add.c @@ -16,34 +16,34 @@ */ /* high level addition (handles signs) */ -int mp_add (mp_int * a, mp_int * b, mp_int * c) +int mp_add(const mp_int *a, const mp_int *b, mp_int *c) { - int sa, sb, res; + int sa, sb, res; - /* get sign of both inputs */ - sa = a->sign; - sb = b->sign; + /* get sign of both inputs */ + sa = a->sign; + sb = b->sign; - /* handle two cases, not four */ - if (sa == sb) { - /* both positive or both negative */ - /* add their magnitudes, copy the sign */ - c->sign = sa; - res = s_mp_add (a, b, c); - } else { - /* one positive, the other negative */ - /* subtract the one with the greater magnitude from */ - /* the one of the lesser magnitude. The result gets */ - /* the sign of the one with the greater magnitude. */ - if (mp_cmp_mag (a, b) == MP_LT) { - c->sign = sb; - res = s_mp_sub (b, a, c); - } else { + /* handle two cases, not four */ + if (sa == sb) { + /* both positive or both negative */ + /* add their magnitudes, copy the sign */ c->sign = sa; - res = s_mp_sub (a, b, c); - } - } - return res; + res = s_mp_add(a, b, c); + } else { + /* one positive, the other negative */ + /* subtract the one with the greater magnitude from */ + /* the one of the lesser magnitude. The result gets */ + /* the sign of the one with the greater magnitude. */ + if (mp_cmp_mag(a, b) == MP_LT) { + c->sign = sb; + res = s_mp_sub(b, a, c); + } else { + c->sign = sa; + res = s_mp_sub(a, b, c); + } + } + return res; } #endif diff --git a/libtommath/bn_mp_add_d.c b/libtommath/bn_mp_add_d.c index fd1a186..e5ede1f 100644 --- a/libtommath/bn_mp_add_d.c +++ b/libtommath/bn_mp_add_d.c @@ -16,93 +16,93 @@ */ /* single digit addition */ -int -mp_add_d (mp_int * a, mp_digit b, mp_int * c) +int mp_add_d(const mp_int *a, mp_digit b, mp_int *c) { - int res, ix, oldused; - mp_digit *tmpa, *tmpc, mu; - - /* grow c as required */ - if (c->alloc < (a->used + 1)) { - if ((res = mp_grow(c, a->used + 1)) != MP_OKAY) { - return res; - } - } - - /* if a is negative and |a| >= b, call c = |a| - b */ - if ((a->sign == MP_NEG) && ((a->used > 1) || (a->dp[0] >= b))) { - /* temporarily fix sign of a */ - a->sign = MP_ZPOS; - - /* c = |a| - b */ - res = mp_sub_d(a, b, c); - - /* fix sign */ - a->sign = c->sign = MP_NEG; - - /* clamp */ - mp_clamp(c); - - return res; - } - - /* old number of used digits in c */ - oldused = c->used; - - /* source alias */ - tmpa = a->dp; - - /* destination alias */ - tmpc = c->dp; - - /* if a is positive */ - if (a->sign == MP_ZPOS) { - /* add digit, after this we're propagating - * the carry. - */ - *tmpc = *tmpa++ + b; - mu = *tmpc >> DIGIT_BIT; - *tmpc++ &= MP_MASK; - - /* now handle rest of the digits */ - for (ix = 1; ix < a->used; ix++) { - *tmpc = *tmpa++ + mu; - mu = *tmpc >> DIGIT_BIT; - *tmpc++ &= MP_MASK; - } - /* set final carry */ - ix++; - *tmpc++ = mu; - - /* setup size */ - c->used = a->used + 1; - } else { - /* a was negative and |a| < b */ - c->used = 1; - - /* the result is a single digit */ - if (a->used == 1) { - *tmpc++ = b - a->dp[0]; - } else { - *tmpc++ = b; - } - - /* setup count so the clearing of oldused - * can fall through correctly - */ - ix = 1; - } - - /* sign always positive */ - c->sign = MP_ZPOS; - - /* now zero to oldused */ - while (ix++ < oldused) { - *tmpc++ = 0; - } - mp_clamp(c); - - return MP_OKAY; + int res, ix, oldused; + mp_digit *tmpa, *tmpc, mu; + + /* grow c as required */ + if (c->alloc < (a->used + 1)) { + if ((res = mp_grow(c, a->used + 1)) != MP_OKAY) { + return res; + } + } + + /* if a is negative and |a| >= b, call c = |a| - b */ + if ((a->sign == MP_NEG) && ((a->used > 1) || (a->dp[0] >= b))) { + mp_int a_ = *a; + /* temporarily fix sign of a */ + a_.sign = MP_ZPOS; + + /* c = |a| - b */ + res = mp_sub_d(&a_, b, c); + + /* fix sign */ + c->sign = MP_NEG; + + /* clamp */ + mp_clamp(c); + + return res; + } + + /* old number of used digits in c */ + oldused = c->used; + + /* source alias */ + tmpa = a->dp; + + /* destination alias */ + tmpc = c->dp; + + /* if a is positive */ + if (a->sign == MP_ZPOS) { + /* add digit, after this we're propagating + * the carry. + */ + *tmpc = *tmpa++ + b; + mu = *tmpc >> DIGIT_BIT; + *tmpc++ &= MP_MASK; + + /* now handle rest of the digits */ + for (ix = 1; ix < a->used; ix++) { + *tmpc = *tmpa++ + mu; + mu = *tmpc >> DIGIT_BIT; + *tmpc++ &= MP_MASK; + } + /* set final carry */ + ix++; + *tmpc++ = mu; + + /* setup size */ + c->used = a->used + 1; + } else { + /* a was negative and |a| < b */ + c->used = 1; + + /* the result is a single digit */ + if (a->used == 1) { + *tmpc++ = b - a->dp[0]; + } else { + *tmpc++ = b; + } + + /* setup count so the clearing of oldused + * can fall through correctly + */ + ix = 1; + } + + /* sign always positive */ + c->sign = MP_ZPOS; + + /* now zero to oldused */ + while (ix++ < oldused) { + *tmpc++ = 0; + } + mp_clamp(c); + + return MP_OKAY; } #endif diff --git a/libtommath/bn_mp_addmod.c b/libtommath/bn_mp_addmod.c index dc06788..0d612c3 100644 --- a/libtommath/bn_mp_addmod.c +++ b/libtommath/bn_mp_addmod.c @@ -16,23 +16,22 @@ */ /* d = a + b (mod c) */ -int -mp_addmod (mp_int * a, mp_int * b, mp_int * c, mp_int * d) +int mp_addmod(const mp_int *a, const mp_int *b, const mp_int *c, mp_int *d) { - int res; - mp_int t; + int res; + mp_int t; - if ((res = mp_init (&t)) != MP_OKAY) { - return res; - } + if ((res = mp_init(&t)) != MP_OKAY) { + return res; + } - if ((res = mp_add (a, b, &t)) != MP_OKAY) { - mp_clear (&t); - return res; - } - res = mp_mod (&t, c, d); - mp_clear (&t); - return res; + if ((res = mp_add(a, b, &t)) != MP_OKAY) { + mp_clear(&t); + return res; + } + res = mp_mod(&t, c, d); + mp_clear(&t); + return res; } #endif diff --git a/libtommath/bn_mp_and.c b/libtommath/bn_mp_and.c index 53008a5..09ff772 100644 --- a/libtommath/bn_mp_and.c +++ b/libtommath/bn_mp_and.c @@ -16,39 +16,39 @@ */ /* AND two ints together */ -int -mp_and (mp_int * a, mp_int * b, mp_int * c) +int mp_and(const mp_int *a, const mp_int *b, mp_int *c) { - int res, ix, px; - mp_int t, *x; + int res, ix, px; + mp_int t; + const mp_int *x; - if (a->used > b->used) { - if ((res = mp_init_copy (&t, a)) != MP_OKAY) { - return res; - } - px = b->used; - x = b; - } else { - if ((res = mp_init_copy (&t, b)) != MP_OKAY) { - return res; - } - px = a->used; - x = a; - } + if (a->used > b->used) { + if ((res = mp_init_copy(&t, a)) != MP_OKAY) { + return res; + } + px = b->used; + x = b; + } else { + if ((res = mp_init_copy(&t, b)) != MP_OKAY) { + return res; + } + px = a->used; + x = a; + } - for (ix = 0; ix < px; ix++) { - t.dp[ix] &= x->dp[ix]; - } + for (ix = 0; ix < px; ix++) { + t.dp[ix] &= x->dp[ix]; + } - /* zero digits above the last from the smallest mp_int */ - for (; ix < t.used; ix++) { - t.dp[ix] = 0; - } + /* zero digits above the last from the smallest mp_int */ + for (; ix < t.used; ix++) { + t.dp[ix] = 0; + } - mp_clamp (&t); - mp_exch (c, &t); - mp_clear (&t); - return MP_OKAY; + mp_clamp(&t); + mp_exch(c, &t); + mp_clear(&t); + return MP_OKAY; } #endif diff --git a/libtommath/bn_mp_clamp.c b/libtommath/bn_mp_clamp.c index 2c0a1a6..3853914 100644 --- a/libtommath/bn_mp_clamp.c +++ b/libtommath/bn_mp_clamp.c @@ -15,27 +15,26 @@ * Tom St Denis, tstdenis82@gmail.com, http://libtom.org */ -/* trim unused digits +/* trim unused digits * * This is used to ensure that leading zero digits are * trimed and the leading "used" digit will be non-zero * Typically very fast. Also fixes the sign if there * are no more leading digits */ -void -mp_clamp (mp_int * a) +void mp_clamp(mp_int *a) { - /* decrease used while the most significant digit is - * zero. - */ - while ((a->used > 0) && (a->dp[a->used - 1] == 0)) { - --(a->used); - } + /* decrease used while the most significant digit is + * zero. + */ + while ((a->used > 0) && (a->dp[a->used - 1] == 0)) { + --(a->used); + } - /* reset the sign flag if used == 0 */ - if (a->used == 0) { - a->sign = MP_ZPOS; - } + /* reset the sign flag if used == 0 */ + if (a->used == 0) { + a->sign = MP_ZPOS; + } } #endif diff --git a/libtommath/bn_mp_clear.c b/libtommath/bn_mp_clear.c index 97f3db0..fcf4d61 100644 --- a/libtommath/bn_mp_clear.c +++ b/libtommath/bn_mp_clear.c @@ -16,26 +16,25 @@ */ /* clear one (frees) */ -void -mp_clear (mp_int * a) +void mp_clear(mp_int *a) { - int i; + int i; - /* only do anything if a hasn't been freed previously */ - if (a->dp != NULL) { - /* first zero the digits */ - for (i = 0; i < a->used; i++) { - a->dp[i] = 0; - } + /* only do anything if a hasn't been freed previously */ + if (a->dp != NULL) { + /* first zero the digits */ + for (i = 0; i < a->used; i++) { + a->dp[i] = 0; + } - /* free ram */ - XFREE(a->dp); + /* free ram */ + XFREE(a->dp); - /* reset members to make debugging easier */ - a->dp = NULL; - a->alloc = a->used = 0; - a->sign = MP_ZPOS; - } + /* reset members to make debugging easier */ + a->dp = NULL; + a->alloc = a->used = 0; + a->sign = MP_ZPOS; + } } #endif diff --git a/libtommath/bn_mp_clear_multi.c b/libtommath/bn_mp_clear_multi.c index bd4b232..284fab8 100644 --- a/libtommath/bn_mp_clear_multi.c +++ b/libtommath/bn_mp_clear_multi.c @@ -16,16 +16,16 @@ */ #include <stdarg.h> -void mp_clear_multi(mp_int *mp, ...) +void mp_clear_multi(mp_int *mp, ...) { - mp_int* next_mp = mp; - va_list args; - va_start(args, mp); - while (next_mp != NULL) { - mp_clear(next_mp); - next_mp = va_arg(args, mp_int*); - } - va_end(args); + mp_int *next_mp = mp; + va_list args; + va_start(args, mp); + while (next_mp != NULL) { + mp_clear(next_mp); + next_mp = va_arg(args, mp_int *); + } + va_end(args); } #endif diff --git a/libtommath/bn_mp_cmp.c b/libtommath/bn_mp_cmp.c index 09cafa0..a33d483 100644 --- a/libtommath/bn_mp_cmp.c +++ b/libtommath/bn_mp_cmp.c @@ -16,25 +16,24 @@ */ /* compare two ints (signed)*/ -int -mp_cmp (const mp_int * a, const mp_int * b) +int mp_cmp(const mp_int *a, const mp_int *b) { - /* compare based on sign */ - if (a->sign != b->sign) { - if (a->sign == MP_NEG) { - return MP_LT; - } else { - return MP_GT; - } - } - - /* compare digits */ - if (a->sign == MP_NEG) { - /* if negative compare opposite direction */ - return mp_cmp_mag(b, a); - } else { - return mp_cmp_mag(a, b); - } + /* compare based on sign */ + if (a->sign != b->sign) { + if (a->sign == MP_NEG) { + return MP_LT; + } else { + return MP_GT; + } + } + + /* compare digits */ + if (a->sign == MP_NEG) { + /* if negative compare opposite direction */ + return mp_cmp_mag(b, a); + } else { + return mp_cmp_mag(a, b); + } } #endif diff --git a/libtommath/bn_mp_cmp_d.c b/libtommath/bn_mp_cmp_d.c index 3768f06..576a073 100644 --- a/libtommath/bn_mp_cmp_d.c +++ b/libtommath/bn_mp_cmp_d.c @@ -16,26 +16,26 @@ */ /* compare a digit */ -int mp_cmp_d(const mp_int * a, mp_digit b) +int mp_cmp_d(const mp_int *a, mp_digit b) { - /* compare based on sign */ - if (a->sign == MP_NEG) { - return MP_LT; - } + /* compare based on sign */ + if (a->sign == MP_NEG) { + return MP_LT; + } - /* compare based on magnitude */ - if (a->used > 1) { - return MP_GT; - } + /* compare based on magnitude */ + if (a->used > 1) { + return MP_GT; + } - /* compare the only digit of a to b */ - if (a->dp[0] > b) { - return MP_GT; - } else if (a->dp[0] < b) { - return MP_LT; - } else { - return MP_EQ; - } + /* compare the only digit of a to b */ + if (a->dp[0] > b) { + return MP_GT; + } else if (a->dp[0] < b) { + return MP_LT; + } else { + return MP_EQ; + } } #endif diff --git a/libtommath/bn_mp_cmp_mag.c b/libtommath/bn_mp_cmp_mag.c index 3b7f1b4..e2c723f 100644 --- a/libtommath/bn_mp_cmp_mag.c +++ b/libtommath/bn_mp_cmp_mag.c @@ -16,37 +16,37 @@ */ /* compare maginitude of two ints (unsigned) */ -int mp_cmp_mag (const mp_int * a, const mp_int * b) +int mp_cmp_mag(const mp_int *a, const mp_int *b) { - int n; - mp_digit *tmpa, *tmpb; - - /* compare based on # of non-zero digits */ - if (a->used > b->used) { - return MP_GT; - } - - if (a->used < b->used) { - return MP_LT; - } - - /* alias for a */ - tmpa = a->dp + (a->used - 1); - - /* alias for b */ - tmpb = b->dp + (a->used - 1); - - /* compare based on digits */ - for (n = 0; n < a->used; ++n, --tmpa, --tmpb) { - if (*tmpa > *tmpb) { + int n; + mp_digit *tmpa, *tmpb; + + /* compare based on # of non-zero digits */ + if (a->used > b->used) { return MP_GT; - } + } - if (*tmpa < *tmpb) { + if (a->used < b->used) { return MP_LT; - } - } - return MP_EQ; + } + + /* alias for a */ + tmpa = a->dp + (a->used - 1); + + /* alias for b */ + tmpb = b->dp + (a->used - 1); + + /* compare based on digits */ + for (n = 0; n < a->used; ++n, --tmpa, --tmpb) { + if (*tmpa > *tmpb) { + return MP_GT; + } + + if (*tmpa < *tmpb) { + return MP_LT; + } + } + return MP_EQ; } #endif diff --git a/libtommath/bn_mp_cnt_lsb.c b/libtommath/bn_mp_cnt_lsb.c index 10a901f..9a94d3d 100644 --- a/libtommath/bn_mp_cnt_lsb.c +++ b/libtommath/bn_mp_cnt_lsb.c @@ -15,7 +15,7 @@ * Tom St Denis, tstdenis82@gmail.com, http://libtom.org */ -static const int lnz[16] = { +static const int lnz[16] = { 4, 0, 1, 0, 2, 0, 1, 0, 3, 0, 1, 0, 2, 0, 1, 0 }; diff --git a/libtommath/bn_mp_copy.c b/libtommath/bn_mp_copy.c index 435729c..17816e8 100644 --- a/libtommath/bn_mp_copy.c +++ b/libtommath/bn_mp_copy.c @@ -16,50 +16,49 @@ */ /* copy, b = a */ -int -mp_copy (const mp_int * a, mp_int * b) +int mp_copy(const mp_int *a, mp_int *b) { - int res, n; + int res, n; - /* if dst == src do nothing */ - if (a == b) { - return MP_OKAY; - } + /* if dst == src do nothing */ + if (a == b) { + return MP_OKAY; + } - /* grow dest */ - if (b->alloc < a->used) { - if ((res = mp_grow (b, a->used)) != MP_OKAY) { - return res; - } - } + /* grow dest */ + if (b->alloc < a->used) { + if ((res = mp_grow(b, a->used)) != MP_OKAY) { + return res; + } + } - /* zero b and copy the parameters over */ - { - mp_digit *tmpa, *tmpb; + /* zero b and copy the parameters over */ + { + mp_digit *tmpa, *tmpb; - /* pointer aliases */ + /* pointer aliases */ - /* source */ - tmpa = a->dp; + /* source */ + tmpa = a->dp; - /* destination */ - tmpb = b->dp; + /* destination */ + tmpb = b->dp; - /* copy all the digits */ - for (n = 0; n < a->used; n++) { - *tmpb++ = *tmpa++; - } + /* copy all the digits */ + for (n = 0; n < a->used; n++) { + *tmpb++ = *tmpa++; + } - /* clear high digits */ - for (; n < b->used; n++) { - *tmpb++ = 0; - } - } + /* clear high digits */ + for (; n < b->used; n++) { + *tmpb++ = 0; + } + } - /* copy used count and sign */ - b->used = a->used; - b->sign = a->sign; - return MP_OKAY; + /* copy used count and sign */ + b->used = a->used; + b->sign = a->sign; + return MP_OKAY; } #endif diff --git a/libtommath/bn_mp_count_bits.c b/libtommath/bn_mp_count_bits.c index 10ab695..7424581 100644 --- a/libtommath/bn_mp_count_bits.c +++ b/libtommath/bn_mp_count_bits.c @@ -16,27 +16,26 @@ */ /* returns the number of bits in an int */ -int -mp_count_bits (const mp_int * a) +int mp_count_bits(const mp_int *a) { - int r; - mp_digit q; + int r; + mp_digit q; - /* shortcut */ - if (a->used == 0) { - return 0; - } + /* shortcut */ + if (a->used == 0) { + return 0; + } - /* get number of digits and add that */ - r = (a->used - 1) * DIGIT_BIT; - - /* take the last digit and count the bits in it */ - q = a->dp[a->used - 1]; - while (q > ((mp_digit) 0)) { - ++r; - q >>= ((mp_digit) 1); - } - return r; + /* get number of digits and add that */ + r = (a->used - 1) * DIGIT_BIT; + + /* take the last digit and count the bits in it */ + q = a->dp[a->used - 1]; + while (q > ((mp_digit) 0)) { + ++r; + q >>= ((mp_digit) 1); + } + return r; } #endif diff --git a/libtommath/bn_mp_div.c b/libtommath/bn_mp_div.c index 0890e65..dbfdc03 100644 --- a/libtommath/bn_mp_div.c +++ b/libtommath/bn_mp_div.c @@ -18,68 +18,68 @@ #ifdef BN_MP_DIV_SMALL /* slower bit-bang division... also smaller */ -int mp_div(mp_int * a, mp_int * b, mp_int * c, mp_int * d) +int mp_div(const mp_int *a, const mp_int *b, mp_int *c, mp_int *d) { mp_int ta, tb, tq, q; int res, n, n2; - /* is divisor zero ? */ - if (mp_iszero (b) == MP_YES) { - return MP_VAL; - } - - /* if a < b then q=0, r = a */ - if (mp_cmp_mag (a, b) == MP_LT) { - if (d != NULL) { - res = mp_copy (a, d); - } else { - res = MP_OKAY; - } - if (c != NULL) { - mp_zero (c); - } - return res; - } - - /* init our temps */ - if ((res = mp_init_multi(&ta, &tb, &tq, &q, NULL)) != MP_OKAY) { - return res; - } - - - mp_set(&tq, 1); - n = mp_count_bits(a) - mp_count_bits(b); - if (((res = mp_abs(a, &ta)) != MP_OKAY) || - ((res = mp_abs(b, &tb)) != MP_OKAY) || - ((res = mp_mul_2d(&tb, n, &tb)) != MP_OKAY) || - ((res = mp_mul_2d(&tq, n, &tq)) != MP_OKAY)) { + /* is divisor zero ? */ + if (mp_iszero(b) == MP_YES) { + return MP_VAL; + } + + /* if a < b then q=0, r = a */ + if (mp_cmp_mag(a, b) == MP_LT) { + if (d != NULL) { + res = mp_copy(a, d); + } else { + res = MP_OKAY; + } + if (c != NULL) { + mp_zero(c); + } + return res; + } + + /* init our temps */ + if ((res = mp_init_multi(&ta, &tb, &tq, &q, NULL)) != MP_OKAY) { + return res; + } + + + mp_set(&tq, 1); + n = mp_count_bits(a) - mp_count_bits(b); + if (((res = mp_abs(a, &ta)) != MP_OKAY) || + ((res = mp_abs(b, &tb)) != MP_OKAY) || + ((res = mp_mul_2d(&tb, n, &tb)) != MP_OKAY) || + ((res = mp_mul_2d(&tq, n, &tq)) != MP_OKAY)) { goto LBL_ERR; - } - - while (n-- >= 0) { - if (mp_cmp(&tb, &ta) != MP_GT) { - if (((res = mp_sub(&ta, &tb, &ta)) != MP_OKAY) || - ((res = mp_add(&q, &tq, &q)) != MP_OKAY)) { - goto LBL_ERR; - } - } - if (((res = mp_div_2d(&tb, 1, &tb, NULL)) != MP_OKAY) || - ((res = mp_div_2d(&tq, 1, &tq, NULL)) != MP_OKAY)) { - goto LBL_ERR; - } - } - - /* now q == quotient and ta == remainder */ - n = a->sign; - n2 = (a->sign == b->sign) ? MP_ZPOS : MP_NEG; - if (c != NULL) { - mp_exch(c, &q); - c->sign = (mp_iszero(c) == MP_YES) ? MP_ZPOS : n2; - } - if (d != NULL) { - mp_exch(d, &ta); - d->sign = (mp_iszero(d) == MP_YES) ? MP_ZPOS : n; - } + } + + while (n-- >= 0) { + if (mp_cmp(&tb, &ta) != MP_GT) { + if (((res = mp_sub(&ta, &tb, &ta)) != MP_OKAY) || + ((res = mp_add(&q, &tq, &q)) != MP_OKAY)) { + goto LBL_ERR; + } + } + if (((res = mp_div_2d(&tb, 1, &tb, NULL)) != MP_OKAY) || + ((res = mp_div_2d(&tq, 1, &tq, NULL)) != MP_OKAY)) { + goto LBL_ERR; + } + } + + /* now q == quotient and ta == remainder */ + n = a->sign; + n2 = (a->sign == b->sign) ? MP_ZPOS : MP_NEG; + if (c != NULL) { + mp_exch(c, &q); + c->sign = (mp_iszero(c) == MP_YES) ? MP_ZPOS : n2; + } + if (d != NULL) { + mp_exch(d, &ta); + d->sign = (mp_iszero(d) == MP_YES) ? MP_ZPOS : n; + } LBL_ERR: mp_clear_multi(&ta, &tb, &tq, &q, NULL); return res; @@ -100,190 +100,195 @@ LBL_ERR: * The overall algorithm is as described as * 14.20 from HAC but fixed to treat these cases. */ -int mp_div (mp_int * a, mp_int * b, mp_int * c, mp_int * d) +int mp_div(const mp_int *a, const mp_int *b, mp_int *c, mp_int *d) { - mp_int q, x, y, t1, t2; - int res, n, t, i, norm, neg; - - /* is divisor zero ? */ - if (mp_iszero (b) == MP_YES) { - return MP_VAL; - } - - /* if a < b then q=0, r = a */ - if (mp_cmp_mag (a, b) == MP_LT) { - if (d != NULL) { - res = mp_copy (a, d); - } else { - res = MP_OKAY; - } - if (c != NULL) { - mp_zero (c); - } - return res; - } - - if ((res = mp_init_size (&q, a->used + 2)) != MP_OKAY) { - return res; - } - q.used = a->used + 2; - - if ((res = mp_init (&t1)) != MP_OKAY) { - goto LBL_Q; - } - - if ((res = mp_init (&t2)) != MP_OKAY) { - goto LBL_T1; - } - - if ((res = mp_init_copy (&x, a)) != MP_OKAY) { - goto LBL_T2; - } - - if ((res = mp_init_copy (&y, b)) != MP_OKAY) { - goto LBL_X; - } - - /* fix the sign */ - neg = (a->sign == b->sign) ? MP_ZPOS : MP_NEG; - x.sign = y.sign = MP_ZPOS; - - /* normalize both x and y, ensure that y >= b/2, [b == 2**DIGIT_BIT] */ - norm = mp_count_bits(&y) % DIGIT_BIT; - if (norm < (int)(DIGIT_BIT-1)) { - norm = (DIGIT_BIT-1) - norm; - if ((res = mp_mul_2d (&x, norm, &x)) != MP_OKAY) { - goto LBL_Y; - } - if ((res = mp_mul_2d (&y, norm, &y)) != MP_OKAY) { - goto LBL_Y; - } - } else { - norm = 0; - } - - /* note hac does 0 based, so if used==5 then its 0,1,2,3,4, e.g. use 4 */ - n = x.used - 1; - t = y.used - 1; - - /* while (x >= y*b**n-t) do { q[n-t] += 1; x -= y*b**{n-t} } */ - if ((res = mp_lshd (&y, n - t)) != MP_OKAY) { /* y = y*b**{n-t} */ - goto LBL_Y; - } - - while (mp_cmp (&x, &y) != MP_LT) { - ++(q.dp[n - t]); - if ((res = mp_sub (&x, &y, &x)) != MP_OKAY) { - goto LBL_Y; - } - } - - /* reset y by shifting it back down */ - mp_rshd (&y, n - t); - - /* step 3. for i from n down to (t + 1) */ - for (i = n; i >= (t + 1); i--) { - if (i > x.used) { - continue; - } - - /* step 3.1 if xi == yt then set q{i-t-1} to b-1, - * otherwise set q{i-t-1} to (xi*b + x{i-1})/yt */ - if (x.dp[i] == y.dp[t]) { - q.dp[(i - t) - 1] = ((((mp_digit)1) << DIGIT_BIT) - 1); - } else { - mp_word tmp; - tmp = ((mp_word) x.dp[i]) << ((mp_word) DIGIT_BIT); - tmp |= ((mp_word) x.dp[i - 1]); - tmp /= ((mp_word) y.dp[t]); - if (tmp > (mp_word) MP_MASK) { - tmp = MP_MASK; + mp_int q, x, y, t1, t2; + int res, n, t, i, norm, neg; + + /* is divisor zero ? */ + if (mp_iszero(b) == MP_YES) { + return MP_VAL; + } + + /* if a < b then q=0, r = a */ + if (mp_cmp_mag(a, b) == MP_LT) { + if (d != NULL) { + res = mp_copy(a, d); + } else { + res = MP_OKAY; } - q.dp[(i - t) - 1] = (mp_digit) (tmp & (mp_word) (MP_MASK)); - } - - /* while (q{i-t-1} * (yt * b + y{t-1})) > - xi * b**2 + xi-1 * b + xi-2 - - do q{i-t-1} -= 1; - */ - q.dp[(i - t) - 1] = (q.dp[(i - t) - 1] + 1) & MP_MASK; - do { - q.dp[(i - t) - 1] = (q.dp[(i - t) - 1] - 1) & MP_MASK; - - /* find left hand */ - mp_zero (&t1); - t1.dp[0] = ((t - 1) < 0) ? 0 : y.dp[t - 1]; - t1.dp[1] = y.dp[t]; - t1.used = 2; - if ((res = mp_mul_d (&t1, q.dp[(i - t) - 1], &t1)) != MP_OKAY) { - goto LBL_Y; + if (c != NULL) { + mp_zero(c); } + return res; + } + + if ((res = mp_init_size(&q, a->used + 2)) != MP_OKAY) { + return res; + } + q.used = a->used + 2; + + if ((res = mp_init(&t1)) != MP_OKAY) { + goto LBL_Q; + } + + if ((res = mp_init(&t2)) != MP_OKAY) { + goto LBL_T1; + } + + if ((res = mp_init_copy(&x, a)) != MP_OKAY) { + goto LBL_T2; + } + + if ((res = mp_init_copy(&y, b)) != MP_OKAY) { + goto LBL_X; + } + + /* fix the sign */ + neg = (a->sign == b->sign) ? MP_ZPOS : MP_NEG; + x.sign = y.sign = MP_ZPOS; + + /* normalize both x and y, ensure that y >= b/2, [b == 2**DIGIT_BIT] */ + norm = mp_count_bits(&y) % DIGIT_BIT; + if (norm < (int)(DIGIT_BIT-1)) { + norm = (DIGIT_BIT-1) - norm; + if ((res = mp_mul_2d(&x, norm, &x)) != MP_OKAY) { + goto LBL_Y; + } + if ((res = mp_mul_2d(&y, norm, &y)) != MP_OKAY) { + goto LBL_Y; + } + } else { + norm = 0; + } - /* find right hand */ - t2.dp[0] = ((i - 2) < 0) ? 0 : x.dp[i - 2]; - t2.dp[1] = ((i - 1) < 0) ? 0 : x.dp[i - 1]; - t2.dp[2] = x.dp[i]; - t2.used = 3; - } while (mp_cmp_mag(&t1, &t2) == MP_GT); + /* note hac does 0 based, so if used==5 then its 0,1,2,3,4, e.g. use 4 */ + n = x.used - 1; + t = y.used - 1; - /* step 3.3 x = x - q{i-t-1} * y * b**{i-t-1} */ - if ((res = mp_mul_d (&y, q.dp[(i - t) - 1], &t1)) != MP_OKAY) { + /* while (x >= y*b**n-t) do { q[n-t] += 1; x -= y*b**{n-t} } */ + if ((res = mp_lshd(&y, n - t)) != MP_OKAY) { /* y = y*b**{n-t} */ goto LBL_Y; - } + } - if ((res = mp_lshd (&t1, (i - t) - 1)) != MP_OKAY) { - goto LBL_Y; - } + while (mp_cmp(&x, &y) != MP_LT) { + ++(q.dp[n - t]); + if ((res = mp_sub(&x, &y, &x)) != MP_OKAY) { + goto LBL_Y; + } + } - if ((res = mp_sub (&x, &t1, &x)) != MP_OKAY) { - goto LBL_Y; - } + /* reset y by shifting it back down */ + mp_rshd(&y, n - t); - /* if x < 0 then { x = x + y*b**{i-t-1}; q{i-t-1} -= 1; } */ - if (x.sign == MP_NEG) { - if ((res = mp_copy (&y, &t1)) != MP_OKAY) { - goto LBL_Y; + /* step 3. for i from n down to (t + 1) */ + for (i = n; i >= (t + 1); i--) { + if (i > x.used) { + continue; } - if ((res = mp_lshd (&t1, (i - t) - 1)) != MP_OKAY) { - goto LBL_Y; + + /* step 3.1 if xi == yt then set q{i-t-1} to b-1, + * otherwise set q{i-t-1} to (xi*b + x{i-1})/yt */ + if (x.dp[i] == y.dp[t]) { + q.dp[(i - t) - 1] = ((((mp_digit)1) << DIGIT_BIT) - 1); + } else { + mp_word tmp; + tmp = ((mp_word) x.dp[i]) << ((mp_word) DIGIT_BIT); + tmp |= ((mp_word) x.dp[i - 1]); + tmp /= ((mp_word) y.dp[t]); + if (tmp > (mp_word) MP_MASK) { + tmp = MP_MASK; + } + q.dp[(i - t) - 1] = (mp_digit)(tmp & (mp_word)(MP_MASK)); } - if ((res = mp_add (&x, &t1, &x)) != MP_OKAY) { - goto LBL_Y; + + /* while (q{i-t-1} * (yt * b + y{t-1})) > + xi * b**2 + xi-1 * b + xi-2 + + do q{i-t-1} -= 1; + */ + q.dp[(i - t) - 1] = (q.dp[(i - t) - 1] + 1) & MP_MASK; + do { + q.dp[(i - t) - 1] = (q.dp[(i - t) - 1] - 1) & MP_MASK; + + /* find left hand */ + mp_zero(&t1); + t1.dp[0] = ((t - 1) < 0) ? 0 : y.dp[t - 1]; + t1.dp[1] = y.dp[t]; + t1.used = 2; + if ((res = mp_mul_d(&t1, q.dp[(i - t) - 1], &t1)) != MP_OKAY) { + goto LBL_Y; + } + + /* find right hand */ + t2.dp[0] = ((i - 2) < 0) ? 0 : x.dp[i - 2]; + t2.dp[1] = ((i - 1) < 0) ? 0 : x.dp[i - 1]; + t2.dp[2] = x.dp[i]; + t2.used = 3; + } while (mp_cmp_mag(&t1, &t2) == MP_GT); + + /* step 3.3 x = x - q{i-t-1} * y * b**{i-t-1} */ + if ((res = mp_mul_d(&y, q.dp[(i - t) - 1], &t1)) != MP_OKAY) { + goto LBL_Y; } - q.dp[(i - t) - 1] = (q.dp[(i - t) - 1] - 1UL) & MP_MASK; - } - } + if ((res = mp_lshd(&t1, (i - t) - 1)) != MP_OKAY) { + goto LBL_Y; + } - /* now q is the quotient and x is the remainder - * [which we have to normalize] - */ + if ((res = mp_sub(&x, &t1, &x)) != MP_OKAY) { + goto LBL_Y; + } - /* get sign before writing to c */ - x.sign = (x.used == 0) ? MP_ZPOS : a->sign; + /* if x < 0 then { x = x + y*b**{i-t-1}; q{i-t-1} -= 1; } */ + if (x.sign == MP_NEG) { + if ((res = mp_copy(&y, &t1)) != MP_OKAY) { + goto LBL_Y; + } + if ((res = mp_lshd(&t1, (i - t) - 1)) != MP_OKAY) { + goto LBL_Y; + } + if ((res = mp_add(&x, &t1, &x)) != MP_OKAY) { + goto LBL_Y; + } + + q.dp[(i - t) - 1] = (q.dp[(i - t) - 1] - 1UL) & MP_MASK; + } + } - if (c != NULL) { - mp_clamp (&q); - mp_exch (&q, c); - c->sign = neg; - } + /* now q is the quotient and x is the remainder + * [which we have to normalize] + */ - if (d != NULL) { - if ((res = mp_div_2d (&x, norm, &x, NULL)) != MP_OKAY) { - goto LBL_Y; - } - mp_exch (&x, d); - } - - res = MP_OKAY; - -LBL_Y:mp_clear (&y); -LBL_X:mp_clear (&x); -LBL_T2:mp_clear (&t2); -LBL_T1:mp_clear (&t1); -LBL_Q:mp_clear (&q); - return res; + /* get sign before writing to c */ + x.sign = (x.used == 0) ? MP_ZPOS : a->sign; + + if (c != NULL) { + mp_clamp(&q); + mp_exch(&q, c); + c->sign = neg; + } + + if (d != NULL) { + if ((res = mp_div_2d(&x, norm, &x, NULL)) != MP_OKAY) { + goto LBL_Y; + } + mp_exch(&x, d); + } + + res = MP_OKAY; + +LBL_Y: + mp_clear(&y); +LBL_X: + mp_clear(&x); +LBL_T2: + mp_clear(&t2); +LBL_T1: + mp_clear(&t1); +LBL_Q: + mp_clear(&q); + return res; } #endif diff --git a/libtommath/bn_mp_div_2.c b/libtommath/bn_mp_div_2.c index 2b5bb49..edc8982 100644 --- a/libtommath/bn_mp_div_2.c +++ b/libtommath/bn_mp_div_2.c @@ -16,50 +16,50 @@ */ /* b = a/2 */ -int mp_div_2(mp_int * a, mp_int * b) +int mp_div_2(const mp_int *a, mp_int *b) { - int x, res, oldused; + int x, res, oldused; - /* copy */ - if (b->alloc < a->used) { - if ((res = mp_grow (b, a->used)) != MP_OKAY) { - return res; - } - } + /* copy */ + if (b->alloc < a->used) { + if ((res = mp_grow(b, a->used)) != MP_OKAY) { + return res; + } + } - oldused = b->used; - b->used = a->used; - { - mp_digit r, rr, *tmpa, *tmpb; + oldused = b->used; + b->used = a->used; + { + mp_digit r, rr, *tmpa, *tmpb; - /* source alias */ - tmpa = a->dp + b->used - 1; + /* source alias */ + tmpa = a->dp + b->used - 1; - /* dest alias */ - tmpb = b->dp + b->used - 1; + /* dest alias */ + tmpb = b->dp + b->used - 1; - /* carry */ - r = 0; - for (x = b->used - 1; x >= 0; x--) { - /* get the carry for the next iteration */ - rr = *tmpa & 1; + /* carry */ + r = 0; + for (x = b->used - 1; x >= 0; x--) { + /* get the carry for the next iteration */ + rr = *tmpa & 1; - /* shift the current digit, add in carry and store */ - *tmpb-- = (*tmpa-- >> 1) | (r << (DIGIT_BIT - 1)); + /* shift the current digit, add in carry and store */ + *tmpb-- = (*tmpa-- >> 1) | (r << (DIGIT_BIT - 1)); - /* forward carry to next iteration */ - r = rr; - } + /* forward carry to next iteration */ + r = rr; + } - /* zero excess digits */ - tmpb = b->dp + b->used; - for (x = b->used; x < oldused; x++) { - *tmpb++ = 0; - } - } - b->sign = a->sign; - mp_clamp (b); - return MP_OKAY; + /* zero excess digits */ + tmpb = b->dp + b->used; + for (x = b->used; x < oldused; x++) { + *tmpb++ = 0; + } + } + b->sign = a->sign; + mp_clamp(b); + return MP_OKAY; } #endif diff --git a/libtommath/bn_mp_div_2d.c b/libtommath/bn_mp_div_2d.c index d76de1a..eae3498 100644 --- a/libtommath/bn_mp_div_2d.c +++ b/libtommath/bn_mp_div_2d.c @@ -16,68 +16,68 @@ */ /* shift right by a certain bit count (store quotient in c, optional remainder in d) */ -int mp_div_2d (const mp_int * a, int b, mp_int * c, mp_int * d) +int mp_div_2d(const mp_int *a, int b, mp_int *c, mp_int *d) { - mp_digit D, r, rr; - int x, res; + mp_digit D, r, rr; + int x, res; - /* if the shift count is <= 0 then we do no work */ - if (b <= 0) { - res = mp_copy (a, c); - if (d != NULL) { - mp_zero (d); - } - return res; - } - - /* copy */ - if ((res = mp_copy (a, c)) != MP_OKAY) { - return res; - } - /* 'a' should not be used after here - it might be the same as d */ + /* if the shift count is <= 0 then we do no work */ + if (b <= 0) { + res = mp_copy(a, c); + if (d != NULL) { + mp_zero(d); + } + return res; + } - /* get the remainder */ - if (d != NULL) { - if ((res = mp_mod_2d (a, b, d)) != MP_OKAY) { + /* copy */ + if ((res = mp_copy(a, c)) != MP_OKAY) { return res; - } - } + } + /* 'a' should not be used after here - it might be the same as d */ + + /* get the remainder */ + if (d != NULL) { + if ((res = mp_mod_2d(a, b, d)) != MP_OKAY) { + return res; + } + } - /* shift by as many digits in the bit count */ - if (b >= (int)DIGIT_BIT) { - mp_rshd (c, b / DIGIT_BIT); - } + /* shift by as many digits in the bit count */ + if (b >= (int)DIGIT_BIT) { + mp_rshd(c, b / DIGIT_BIT); + } - /* shift any bit count < DIGIT_BIT */ - D = (mp_digit) (b % DIGIT_BIT); - if (D != 0) { - mp_digit *tmpc, mask, shift; + /* shift any bit count < DIGIT_BIT */ + D = (mp_digit)(b % DIGIT_BIT); + if (D != 0) { + mp_digit *tmpc, mask, shift; - /* mask */ - mask = (((mp_digit)1) << D) - 1; + /* mask */ + mask = (((mp_digit)1) << D) - 1; - /* shift for lsb */ - shift = DIGIT_BIT - D; + /* shift for lsb */ + shift = DIGIT_BIT - D; - /* alias */ - tmpc = c->dp + (c->used - 1); + /* alias */ + tmpc = c->dp + (c->used - 1); - /* carry */ - r = 0; - for (x = c->used - 1; x >= 0; x--) { - /* get the lower bits of this word in a temp */ - rr = *tmpc & mask; + /* carry */ + r = 0; + for (x = c->used - 1; x >= 0; x--) { + /* get the lower bits of this word in a temp */ + rr = *tmpc & mask; - /* shift the current word and mix in the carry bits from the previous word */ - *tmpc = (*tmpc >> D) | (r << shift); - --tmpc; + /* shift the current word and mix in the carry bits from the previous word */ + *tmpc = (*tmpc >> D) | (r << shift); + --tmpc; - /* set the carry to the carry bits of the current word found above */ - r = rr; - } - } - mp_clamp (c); - return MP_OKAY; + /* set the carry to the carry bits of the current word found above */ + r = rr; + } + } + mp_clamp(c); + return MP_OKAY; } #endif diff --git a/libtommath/bn_mp_div_3.c b/libtommath/bn_mp_div_3.c index e8504ea..9cc8caa 100644 --- a/libtommath/bn_mp_div_3.c +++ b/libtommath/bn_mp_div_3.c @@ -16,60 +16,59 @@ */ /* divide by three (based on routine from MPI and the GMP manual) */ -int -mp_div_3 (mp_int * a, mp_int *c, mp_digit * d) +int mp_div_3(const mp_int *a, mp_int *c, mp_digit *d) { - mp_int q; - mp_word w, t; - mp_digit b; - int res, ix; - - /* b = 2**DIGIT_BIT / 3 */ - b = (((mp_word)1) << ((mp_word)DIGIT_BIT)) / ((mp_word)3); + mp_int q; + mp_word w, t; + mp_digit b; + int res, ix; - if ((res = mp_init_size(&q, a->used)) != MP_OKAY) { - return res; - } - - q.used = a->used; - q.sign = a->sign; - w = 0; - for (ix = a->used - 1; ix >= 0; ix--) { - w = (w << ((mp_word)DIGIT_BIT)) | ((mp_word)a->dp[ix]); + /* b = 2**DIGIT_BIT / 3 */ + b = (((mp_word)1) << ((mp_word)DIGIT_BIT)) / ((mp_word)3); - if (w >= 3) { - /* multiply w by [1/3] */ - t = (w * ((mp_word)b)) >> ((mp_word)DIGIT_BIT); + if ((res = mp_init_size(&q, a->used)) != MP_OKAY) { + return res; + } - /* now subtract 3 * [w/3] from w, to get the remainder */ - w -= t+t+t; + q.used = a->used; + q.sign = a->sign; + w = 0; + for (ix = a->used - 1; ix >= 0; ix--) { + w = (w << ((mp_word)DIGIT_BIT)) | ((mp_word)a->dp[ix]); - /* fixup the remainder as required since - * the optimization is not exact. - */ - while (w >= 3) { - t += 1; - w -= 3; - } + if (w >= 3) { + /* multiply w by [1/3] */ + t = (w * ((mp_word)b)) >> ((mp_word)DIGIT_BIT); + + /* now subtract 3 * [w/3] from w, to get the remainder */ + w -= t+t+t; + + /* fixup the remainder as required since + * the optimization is not exact. + */ + while (w >= 3) { + t += 1; + w -= 3; + } } else { - t = 0; + t = 0; } q.dp[ix] = (mp_digit)t; - } + } + + /* [optional] store the remainder */ + if (d != NULL) { + *d = (mp_digit)w; + } - /* [optional] store the remainder */ - if (d != NULL) { - *d = (mp_digit)w; - } + /* [optional] store the quotient */ + if (c != NULL) { + mp_clamp(&q); + mp_exch(&q, c); + } + mp_clear(&q); - /* [optional] store the quotient */ - if (c != NULL) { - mp_clamp(&q); - mp_exch(&q, c); - } - mp_clear(&q); - - return res; + return res; } #endif diff --git a/libtommath/bn_mp_div_d.c b/libtommath/bn_mp_div_d.c index d1f2774..c408602 100644 --- a/libtommath/bn_mp_div_d.c +++ b/libtommath/bn_mp_div_d.c @@ -15,96 +15,84 @@ * Tom St Denis, tstdenis82@gmail.com, http://libtom.org */ -static int s_is_power_of_two(mp_digit b, int *p) +/* single digit division (based on routine from MPI) */ +int mp_div_d(const mp_int *a, mp_digit b, mp_int *c, mp_digit *d) { - int x; + mp_int q; + mp_word w; + mp_digit t; + int res, ix; - /* quick out - if (b & (b-1)) isn't zero, b isn't a power of two */ - if ((b == 0) || ((b & (b-1)) != 0)) { - return 0; + /* cannot divide by zero */ + if (b == 0) { + return MP_VAL; } - for (x = 1; x < DIGIT_BIT; x++) { - if (b == (((mp_digit)1)<<x)) { - *p = x; - return 1; + + /* quick outs */ + if ((b == 1) || (mp_iszero(a) == MP_YES)) { + if (d != NULL) { + *d = 0; + } + if (c != NULL) { + return mp_copy(a, c); } + return MP_OKAY; } - return 0; -} - -/* single digit division (based on routine from MPI) */ -int mp_div_d (mp_int * a, mp_digit b, mp_int * c, mp_digit * d) -{ - mp_int q; - mp_word w; - mp_digit t; - int res, ix; - - /* cannot divide by zero */ - if (b == 0) { - return MP_VAL; - } - - /* quick outs */ - if ((b == 1) || (mp_iszero(a) == MP_YES)) { - if (d != NULL) { - *d = 0; - } - if (c != NULL) { - return mp_copy(a, c); - } - return MP_OKAY; - } - /* power of two ? */ - if (s_is_power_of_two(b, &ix) == 1) { - if (d != NULL) { - *d = a->dp[0] & ((((mp_digit)1)<<ix) - 1); - } - if (c != NULL) { - return mp_div_2d(a, ix, c, NULL); - } - return MP_OKAY; - } + /* power of two ? */ + if (((b & (b-1)) == 0)) { + for (ix = 1; ix < DIGIT_BIT; ix++) { + if (b == (((mp_digit)1)<<ix)) { + break; + } + } + if (d != NULL) { + *d = a->dp[0] & ((((mp_digit)1)<<ix) - 1); + } + if (c != NULL) { + return mp_div_2d(a, ix, c, NULL); + } + return MP_OKAY; + } #ifdef BN_MP_DIV_3_C - /* three? */ - if (b == 3) { - return mp_div_3(a, c, d); - } + /* three? */ + if (b == 3) { + return mp_div_3(a, c, d); + } #endif - /* no easy answer [c'est la vie]. Just division */ - if ((res = mp_init_size(&q, a->used)) != MP_OKAY) { - return res; - } - - q.used = a->used; - q.sign = a->sign; - w = 0; - for (ix = a->used - 1; ix >= 0; ix--) { - w = (w << ((mp_word)DIGIT_BIT)) | ((mp_word)a->dp[ix]); - - if (w >= b) { - t = (mp_digit)(w / b); - w -= ((mp_word)t) * ((mp_word)b); + /* no easy answer [c'est la vie]. Just division */ + if ((res = mp_init_size(&q, a->used)) != MP_OKAY) { + return res; + } + + q.used = a->used; + q.sign = a->sign; + w = 0; + for (ix = a->used - 1; ix >= 0; ix--) { + w = (w << ((mp_word)DIGIT_BIT)) | ((mp_word)a->dp[ix]); + + if (w >= b) { + t = (mp_digit)(w / b); + w -= ((mp_word)t) * ((mp_word)b); } else { - t = 0; + t = 0; } q.dp[ix] = (mp_digit)t; - } - - if (d != NULL) { - *d = (mp_digit)w; - } - - if (c != NULL) { - mp_clamp(&q); - mp_exch(&q, c); - } - mp_clear(&q); - - return res; + } + + if (d != NULL) { + *d = (mp_digit)w; + } + + if (c != NULL) { + mp_clamp(&q); + mp_exch(&q, c); + } + mp_clear(&q); + + return res; } #endif diff --git a/libtommath/bn_mp_dr_is_modulus.c b/libtommath/bn_mp_dr_is_modulus.c index ced330c..bf4ed8b 100644 --- a/libtommath/bn_mp_dr_is_modulus.c +++ b/libtommath/bn_mp_dr_is_modulus.c @@ -16,7 +16,7 @@ */ /* determines if a number is a valid DR modulus */ -int mp_dr_is_modulus(mp_int *a) +int mp_dr_is_modulus(const mp_int *a) { int ix; @@ -29,9 +29,9 @@ int mp_dr_is_modulus(mp_int *a) * but the first digit must be equal to -1 (mod b). */ for (ix = 1; ix < a->used; ix++) { - if (a->dp[ix] != MP_MASK) { - return 0; - } + if (a->dp[ix] != MP_MASK) { + return 0; + } } return 1; } diff --git a/libtommath/bn_mp_dr_reduce.c b/libtommath/bn_mp_dr_reduce.c index c85ee77..1ccb669 100644 --- a/libtommath/bn_mp_dr_reduce.c +++ b/libtommath/bn_mp_dr_reduce.c @@ -29,65 +29,64 @@ * * Input x must be in the range 0 <= x <= (n-1)**2 */ -int -mp_dr_reduce (mp_int * x, mp_int * n, mp_digit k) +int mp_dr_reduce(mp_int *x, const mp_int *n, mp_digit k) { - int err, i, m; - mp_word r; - mp_digit mu, *tmpx1, *tmpx2; + int err, i, m; + mp_word r; + mp_digit mu, *tmpx1, *tmpx2; - /* m = digits in modulus */ - m = n->used; + /* m = digits in modulus */ + m = n->used; - /* ensure that "x" has at least 2m digits */ - if (x->alloc < (m + m)) { - if ((err = mp_grow (x, m + m)) != MP_OKAY) { - return err; - } - } + /* ensure that "x" has at least 2m digits */ + if (x->alloc < (m + m)) { + if ((err = mp_grow(x, m + m)) != MP_OKAY) { + return err; + } + } -/* top of loop, this is where the code resumes if - * another reduction pass is required. - */ + /* top of loop, this is where the code resumes if + * another reduction pass is required. + */ top: - /* aliases for digits */ - /* alias for lower half of x */ - tmpx1 = x->dp; + /* aliases for digits */ + /* alias for lower half of x */ + tmpx1 = x->dp; - /* alias for upper half of x, or x/B**m */ - tmpx2 = x->dp + m; + /* alias for upper half of x, or x/B**m */ + tmpx2 = x->dp + m; - /* set carry to zero */ - mu = 0; + /* set carry to zero */ + mu = 0; - /* compute (x mod B**m) + k * [x/B**m] inline and inplace */ - for (i = 0; i < m; i++) { + /* compute (x mod B**m) + k * [x/B**m] inline and inplace */ + for (i = 0; i < m; i++) { r = (((mp_word)*tmpx2++) * (mp_word)k) + *tmpx1 + mu; *tmpx1++ = (mp_digit)(r & MP_MASK); mu = (mp_digit)(r >> ((mp_word)DIGIT_BIT)); - } + } - /* set final carry */ - *tmpx1++ = mu; + /* set final carry */ + *tmpx1++ = mu; - /* zero words above m */ - for (i = m + 1; i < x->used; i++) { + /* zero words above m */ + for (i = m + 1; i < x->used; i++) { *tmpx1++ = 0; - } + } - /* clamp, sub and return */ - mp_clamp (x); + /* clamp, sub and return */ + mp_clamp(x); - /* if x >= n then subtract and reduce again - * Each successive "recursion" makes the input smaller and smaller. - */ - if (mp_cmp_mag (x, n) != MP_LT) { - if ((err = s_mp_sub(x, n, x)) != MP_OKAY) { - return err; - } - goto top; - } - return MP_OKAY; + /* if x >= n then subtract and reduce again + * Each successive "recursion" makes the input smaller and smaller. + */ + if (mp_cmp_mag(x, n) != MP_LT) { + if ((err = s_mp_sub(x, n, x)) != MP_OKAY) { + return err; + } + goto top; + } + return MP_OKAY; } #endif diff --git a/libtommath/bn_mp_dr_setup.c b/libtommath/bn_mp_dr_setup.c index b0d4a14..af0e213 100644 --- a/libtommath/bn_mp_dr_setup.c +++ b/libtommath/bn_mp_dr_setup.c @@ -16,13 +16,12 @@ */ /* determines the setup value */ -void mp_dr_setup(mp_int *a, mp_digit *d) +void mp_dr_setup(const mp_int *a, mp_digit *d) { /* the casts are required if DIGIT_BIT is one less than * the number of bits in a mp_digit [e.g. DIGIT_BIT==31] */ - *d = (mp_digit)((((mp_word)1) << ((mp_word)DIGIT_BIT)) - - ((mp_word)a->dp[0])); + *d = (mp_digit)((((mp_word)1) << ((mp_word)DIGIT_BIT)) - ((mp_word)a->dp[0])); } #endif diff --git a/libtommath/bn_mp_exch.c b/libtommath/bn_mp_exch.c index fc26bae..2bc635f 100644 --- a/libtommath/bn_mp_exch.c +++ b/libtommath/bn_mp_exch.c @@ -15,17 +15,16 @@ * Tom St Denis, tstdenis82@gmail.com, http://libtom.org */ -/* swap the elements of two integers, for cases where you can't simply swap the +/* swap the elements of two integers, for cases where you can't simply swap the * mp_int pointers around */ -void -mp_exch (mp_int * a, mp_int * b) +void mp_exch(mp_int *a, mp_int *b) { - mp_int t; + mp_int t; - t = *a; - *a = *b; - *b = t; + t = *a; + *a = *b; + *b = t; } #endif diff --git a/libtommath/bn_mp_export.c b/libtommath/bn_mp_export.c index 4bbc8c5..4276f4f 100644 --- a/libtommath/bn_mp_export.c +++ b/libtommath/bn_mp_export.c @@ -18,67 +18,66 @@ /* based on gmp's mpz_export. * see http://gmplib.org/manual/Integer-Import-and-Export.html */ -int mp_export(void* rop, size_t* countp, int order, size_t size, - int endian, size_t nails, mp_int* op) { - int result; - size_t odd_nails, nail_bytes, i, j, bits, count; - unsigned char odd_nail_mask; - - mp_int t; - - if ((result = mp_init_copy(&t, op)) != MP_OKAY) { - return result; - } - - if (endian == 0) { - union { - unsigned int i; - char c[4]; - } lint; - lint.i = 0x01020304; - - endian = (lint.c[0] == 4) ? -1 : 1; - } - - odd_nails = (nails % 8); - odd_nail_mask = 0xff; - for (i = 0; i < odd_nails; ++i) { - odd_nail_mask ^= (1 << (7 - i)); - } - nail_bytes = nails / 8; - - bits = mp_count_bits(&t); - count = (bits / ((size * 8) - nails)) + (((bits % ((size * 8) - nails)) != 0) ? 1 : 0); - - for (i = 0; i < count; ++i) { - for (j = 0; j < size; ++j) { - unsigned char* byte = ( - (unsigned char*)rop + - (((order == -1) ? i : ((count - 1) - i)) * size) + - ((endian == -1) ? j : ((size - 1) - j)) - ); - - if (j >= (size - nail_bytes)) { - *byte = 0; - continue; - } - - *byte = (unsigned char)((j == ((size - nail_bytes) - 1)) ? (t.dp[0] & odd_nail_mask) : (t.dp[0] & 0xFF)); - - if ((result = mp_div_2d(&t, ((j == ((size - nail_bytes) - 1)) ? (8 - odd_nails) : 8), &t, NULL)) != MP_OKAY) { - mp_clear(&t); - return result; - } - } - } - - mp_clear(&t); - - if (countp != NULL) { - *countp = count; - } - - return MP_OKAY; +int mp_export(void *rop, size_t *countp, int order, size_t size, + int endian, size_t nails, const mp_int *op) +{ + int result; + size_t odd_nails, nail_bytes, i, j, bits, count; + unsigned char odd_nail_mask; + + mp_int t; + + if ((result = mp_init_copy(&t, op)) != MP_OKAY) { + return result; + } + + if (endian == 0) { + union { + unsigned int i; + char c[4]; + } lint; + lint.i = 0x01020304; + + endian = (lint.c[0] == 4) ? -1 : 1; + } + + odd_nails = (nails % 8); + odd_nail_mask = 0xff; + for (i = 0; i < odd_nails; ++i) { + odd_nail_mask ^= (1 << (7 - i)); + } + nail_bytes = nails / 8; + + bits = mp_count_bits(&t); + count = (bits / ((size * 8) - nails)) + (((bits % ((size * 8) - nails)) != 0) ? 1 : 0); + + for (i = 0; i < count; ++i) { + for (j = 0; j < size; ++j) { + unsigned char *byte = (unsigned char *)rop + + (((order == -1) ? i : ((count - 1) - i)) * size) + + ((endian == -1) ? j : ((size - 1) - j)); + + if (j >= (size - nail_bytes)) { + *byte = 0; + continue; + } + + *byte = (unsigned char)((j == ((size - nail_bytes) - 1)) ? (t.dp[0] & odd_nail_mask) : (t.dp[0] & 0xFF)); + + if ((result = mp_div_2d(&t, ((j == ((size - nail_bytes) - 1)) ? (8 - odd_nails) : 8), &t, NULL)) != MP_OKAY) { + mp_clear(&t); + return result; + } + } + } + + mp_clear(&t); + + if (countp != NULL) { + *countp = count; + } + + return MP_OKAY; } #endif diff --git a/libtommath/bn_mp_expt_d.c b/libtommath/bn_mp_expt_d.c index a311926..f5ce3c1 100644 --- a/libtommath/bn_mp_expt_d.c +++ b/libtommath/bn_mp_expt_d.c @@ -16,9 +16,9 @@ */ /* wrapper function for mp_expt_d_ex() */ -int mp_expt_d (mp_int * a, mp_digit b, mp_int * c) +int mp_expt_d(const mp_int *a, mp_digit b, mp_int *c) { - return mp_expt_d_ex(a, b, c, 0); + return mp_expt_d_ex(a, b, c, 0); } #endif diff --git a/libtommath/bn_mp_expt_d_ex.c b/libtommath/bn_mp_expt_d_ex.c index c361b27..99319a5 100644 --- a/libtommath/bn_mp_expt_d_ex.c +++ b/libtommath/bn_mp_expt_d_ex.c @@ -16,65 +16,64 @@ */ /* calculate c = a**b using a square-multiply algorithm */ -int mp_expt_d_ex (mp_int * a, mp_digit b, mp_int * c, int fast) +int mp_expt_d_ex(const mp_int *a, mp_digit b, mp_int *c, int fast) { - int res; - unsigned int x; + int res; + unsigned int x; - mp_int g; + mp_int g; - if ((res = mp_init_copy (&g, a)) != MP_OKAY) { - return res; - } + if ((res = mp_init_copy(&g, a)) != MP_OKAY) { + return res; + } - /* set initial result */ - mp_set (c, 1); + /* set initial result */ + mp_set(c, 1); - if (fast != 0) { - while (b > 0) { - /* if the bit is set multiply */ - if ((b & 1) != 0) { - if ((res = mp_mul (c, &g, c)) != MP_OKAY) { - mp_clear (&g); - return res; - } - } + if (fast != 0) { + while (b > 0) { + /* if the bit is set multiply */ + if ((b & 1) != 0) { + if ((res = mp_mul(c, &g, c)) != MP_OKAY) { + mp_clear(&g); + return res; + } + } - /* square */ - if (b > 1) { - if ((res = mp_sqr (&g, &g)) != MP_OKAY) { - mp_clear (&g); - return res; - } - } + /* square */ + if (b > 1) { + if ((res = mp_sqr(&g, &g)) != MP_OKAY) { + mp_clear(&g); + return res; + } + } - /* shift to next bit */ - b >>= 1; - } - } - else { - for (x = 0; x < DIGIT_BIT; x++) { - /* square */ - if ((res = mp_sqr (c, c)) != MP_OKAY) { - mp_clear (&g); - return res; + /* shift to next bit */ + b >>= 1; } + } else { + for (x = 0; x < DIGIT_BIT; x++) { + /* square */ + if ((res = mp_sqr(c, c)) != MP_OKAY) { + mp_clear(&g); + return res; + } - /* if the bit is set multiply */ - if ((b & (mp_digit) (((mp_digit)1) << (DIGIT_BIT - 1))) != 0) { - if ((res = mp_mul (c, &g, c)) != MP_OKAY) { - mp_clear (&g); - return res; - } - } + /* if the bit is set multiply */ + if ((b & (mp_digit)(((mp_digit)1) << (DIGIT_BIT - 1))) != 0) { + if ((res = mp_mul(c, &g, c)) != MP_OKAY) { + mp_clear(&g); + return res; + } + } - /* shift to next bit */ - b <<= 1; - } - } /* if ... else */ + /* shift to next bit */ + b <<= 1; + } + } /* if ... else */ - mp_clear (&g); - return MP_OKAY; + mp_clear(&g); + return MP_OKAY; } #endif diff --git a/libtommath/bn_mp_exptmod.c b/libtommath/bn_mp_exptmod.c index 25c389d..934fd25 100644 --- a/libtommath/bn_mp_exptmod.c +++ b/libtommath/bn_mp_exptmod.c @@ -21,87 +21,87 @@ * embedded in the normal function but that wasted alot of stack space * for nothing (since 99% of the time the Montgomery code would be called) */ -int mp_exptmod (mp_int * G, mp_int * X, mp_int * P, mp_int * Y) +int mp_exptmod(const mp_int *G, const mp_int *X, const mp_int *P, mp_int *Y) { - int dr; + int dr; - /* modulus P must be positive */ - if (P->sign == MP_NEG) { - return MP_VAL; - } + /* modulus P must be positive */ + if (P->sign == MP_NEG) { + return MP_VAL; + } - /* if exponent X is negative we have to recurse */ - if (X->sign == MP_NEG) { + /* if exponent X is negative we have to recurse */ + if (X->sign == MP_NEG) { #ifdef BN_MP_INVMOD_C - mp_int tmpG, tmpX; - int err; + mp_int tmpG, tmpX; + int err; - /* first compute 1/G mod P */ - if ((err = mp_init(&tmpG)) != MP_OKAY) { - return err; - } - if ((err = mp_invmod(G, P, &tmpG)) != MP_OKAY) { - mp_clear(&tmpG); - return err; - } + /* first compute 1/G mod P */ + if ((err = mp_init(&tmpG)) != MP_OKAY) { + return err; + } + if ((err = mp_invmod(G, P, &tmpG)) != MP_OKAY) { + mp_clear(&tmpG); + return err; + } - /* now get |X| */ - if ((err = mp_init(&tmpX)) != MP_OKAY) { - mp_clear(&tmpG); - return err; - } - if ((err = mp_abs(X, &tmpX)) != MP_OKAY) { - mp_clear_multi(&tmpG, &tmpX, NULL); - return err; - } + /* now get |X| */ + if ((err = mp_init(&tmpX)) != MP_OKAY) { + mp_clear(&tmpG); + return err; + } + if ((err = mp_abs(X, &tmpX)) != MP_OKAY) { + mp_clear_multi(&tmpG, &tmpX, NULL); + return err; + } - /* and now compute (1/G)**|X| instead of G**X [X < 0] */ - err = mp_exptmod(&tmpG, &tmpX, P, Y); - mp_clear_multi(&tmpG, &tmpX, NULL); - return err; -#else - /* no invmod */ - return MP_VAL; + /* and now compute (1/G)**|X| instead of G**X [X < 0] */ + err = mp_exptmod(&tmpG, &tmpX, P, Y); + mp_clear_multi(&tmpG, &tmpX, NULL); + return err; +#else + /* no invmod */ + return MP_VAL; #endif - } + } -/* modified diminished radix reduction */ + /* modified diminished radix reduction */ #if defined(BN_MP_REDUCE_IS_2K_L_C) && defined(BN_MP_REDUCE_2K_L_C) && defined(BN_S_MP_EXPTMOD_C) - if (mp_reduce_is_2k_l(P) == MP_YES) { - return s_mp_exptmod(G, X, P, Y, 1); - } + if (mp_reduce_is_2k_l(P) == MP_YES) { + return s_mp_exptmod(G, X, P, Y, 1); + } #endif #ifdef BN_MP_DR_IS_MODULUS_C - /* is it a DR modulus? */ - dr = mp_dr_is_modulus(P); + /* is it a DR modulus? */ + dr = mp_dr_is_modulus(P); #else - /* default to no */ - dr = 0; + /* default to no */ + dr = 0; #endif #ifdef BN_MP_REDUCE_IS_2K_C - /* if not, is it a unrestricted DR modulus? */ - if (dr == 0) { - dr = mp_reduce_is_2k(P) << 1; - } + /* if not, is it a unrestricted DR modulus? */ + if (dr == 0) { + dr = mp_reduce_is_2k(P) << 1; + } #endif - - /* if the modulus is odd or dr != 0 use the montgomery method */ + + /* if the modulus is odd or dr != 0 use the montgomery method */ #ifdef BN_MP_EXPTMOD_FAST_C - if ((mp_isodd (P) == MP_YES) || (dr != 0)) { - return mp_exptmod_fast (G, X, P, Y, dr); - } else { + if ((mp_isodd(P) == MP_YES) || (dr != 0)) { + return mp_exptmod_fast(G, X, P, Y, dr); + } else { #endif #ifdef BN_S_MP_EXPTMOD_C - /* otherwise use the generic Barrett reduction technique */ - return s_mp_exptmod (G, X, P, Y, 0); + /* otherwise use the generic Barrett reduction technique */ + return s_mp_exptmod(G, X, P, Y, 0); #else - /* no exptmod for evens */ - return MP_VAL; + /* no exptmod for evens */ + return MP_VAL; #endif #ifdef BN_MP_EXPTMOD_FAST_C - } + } #endif } diff --git a/libtommath/bn_mp_exptmod_fast.c b/libtommath/bn_mp_exptmod_fast.c index 5e5c7f2..4a188d0 100644 --- a/libtommath/bn_mp_exptmod_fast.c +++ b/libtommath/bn_mp_exptmod_fast.c @@ -24,294 +24,295 @@ */ #ifdef MP_LOW_MEM - #define TAB_SIZE 32 +# define TAB_SIZE 32 #else - #define TAB_SIZE 256 +# define TAB_SIZE 256 #endif -int mp_exptmod_fast (mp_int * G, mp_int * X, mp_int * P, mp_int * Y, int redmode) +int mp_exptmod_fast(const mp_int *G, const mp_int *X, const mp_int *P, mp_int *Y, int redmode) { - mp_int M[TAB_SIZE], res; - mp_digit buf, mp; - int err, bitbuf, bitcpy, bitcnt, mode, digidx, x, y, winsize; - - /* use a pointer to the reduction algorithm. This allows us to use - * one of many reduction algorithms without modding the guts of - * the code with if statements everywhere. - */ - int (*redux)(mp_int*,mp_int*,mp_digit); - - /* find window size */ - x = mp_count_bits (X); - if (x <= 7) { - winsize = 2; - } else if (x <= 36) { - winsize = 3; - } else if (x <= 140) { - winsize = 4; - } else if (x <= 450) { - winsize = 5; - } else if (x <= 1303) { - winsize = 6; - } else if (x <= 3529) { - winsize = 7; - } else { - winsize = 8; - } + mp_int M[TAB_SIZE], res; + mp_digit buf, mp; + int err, bitbuf, bitcpy, bitcnt, mode, digidx, x, y, winsize; + + /* use a pointer to the reduction algorithm. This allows us to use + * one of many reduction algorithms without modding the guts of + * the code with if statements everywhere. + */ + int (*redux)(mp_int *,const mp_int *,mp_digit); + + /* find window size */ + x = mp_count_bits(X); + if (x <= 7) { + winsize = 2; + } else if (x <= 36) { + winsize = 3; + } else if (x <= 140) { + winsize = 4; + } else if (x <= 450) { + winsize = 5; + } else if (x <= 1303) { + winsize = 6; + } else if (x <= 3529) { + winsize = 7; + } else { + winsize = 8; + } #ifdef MP_LOW_MEM - if (winsize > 5) { - winsize = 5; - } + if (winsize > 5) { + winsize = 5; + } #endif - /* init M array */ - /* init first cell */ - if ((err = mp_init_size(&M[1], P->alloc)) != MP_OKAY) { - return err; - } - - /* now init the second half of the array */ - for (x = 1<<(winsize-1); x < (1 << winsize); x++) { - if ((err = mp_init_size(&M[x], P->alloc)) != MP_OKAY) { - for (y = 1<<(winsize-1); y < x; y++) { - mp_clear (&M[y]); - } - mp_clear(&M[1]); + /* init M array */ + /* init first cell */ + if ((err = mp_init_size(&M[1], P->alloc)) != MP_OKAY) { return err; - } - } - - /* determine and setup reduction code */ - if (redmode == 0) { -#ifdef BN_MP_MONTGOMERY_SETUP_C - /* now setup montgomery */ - if ((err = mp_montgomery_setup (P, &mp)) != MP_OKAY) { - goto LBL_M; - } + } + + /* now init the second half of the array */ + for (x = 1<<(winsize-1); x < (1 << winsize); x++) { + if ((err = mp_init_size(&M[x], P->alloc)) != MP_OKAY) { + for (y = 1<<(winsize-1); y < x; y++) { + mp_clear(&M[y]); + } + mp_clear(&M[1]); + return err; + } + } + + /* determine and setup reduction code */ + if (redmode == 0) { +#ifdef BN_MP_MONTGOMERY_SETUP_C + /* now setup montgomery */ + if ((err = mp_montgomery_setup(P, &mp)) != MP_OKAY) { + goto LBL_M; + } #else - err = MP_VAL; - goto LBL_M; + err = MP_VAL; + goto LBL_M; #endif - /* automatically pick the comba one if available (saves quite a few calls/ifs) */ + /* automatically pick the comba one if available (saves quite a few calls/ifs) */ #ifdef BN_FAST_MP_MONTGOMERY_REDUCE_C - if ((((P->used * 2) + 1) < MP_WARRAY) && + if ((((P->used * 2) + 1) < MP_WARRAY) && (P->used < (1 << ((CHAR_BIT * sizeof(mp_word)) - (2 * DIGIT_BIT))))) { - redux = fast_mp_montgomery_reduce; - } else + redux = fast_mp_montgomery_reduce; + } else #endif - { + { #ifdef BN_MP_MONTGOMERY_REDUCE_C - /* use slower baseline Montgomery method */ - redux = mp_montgomery_reduce; + /* use slower baseline Montgomery method */ + redux = mp_montgomery_reduce; #else - err = MP_VAL; - goto LBL_M; + err = MP_VAL; + goto LBL_M; #endif - } - } else if (redmode == 1) { + } + } else if (redmode == 1) { #if defined(BN_MP_DR_SETUP_C) && defined(BN_MP_DR_REDUCE_C) - /* setup DR reduction for moduli of the form B**k - b */ - mp_dr_setup(P, &mp); - redux = mp_dr_reduce; + /* setup DR reduction for moduli of the form B**k - b */ + mp_dr_setup(P, &mp); + redux = mp_dr_reduce; #else - err = MP_VAL; - goto LBL_M; + err = MP_VAL; + goto LBL_M; #endif - } else { + } else { #if defined(BN_MP_REDUCE_2K_SETUP_C) && defined(BN_MP_REDUCE_2K_C) - /* setup DR reduction for moduli of the form 2**k - b */ - if ((err = mp_reduce_2k_setup(P, &mp)) != MP_OKAY) { - goto LBL_M; - } - redux = mp_reduce_2k; + /* setup DR reduction for moduli of the form 2**k - b */ + if ((err = mp_reduce_2k_setup(P, &mp)) != MP_OKAY) { + goto LBL_M; + } + redux = mp_reduce_2k; #else - err = MP_VAL; - goto LBL_M; + err = MP_VAL; + goto LBL_M; #endif - } + } - /* setup result */ - if ((err = mp_init_size (&res, P->alloc)) != MP_OKAY) { - goto LBL_M; - } + /* setup result */ + if ((err = mp_init_size(&res, P->alloc)) != MP_OKAY) { + goto LBL_M; + } - /* create M table - * + /* create M table + * - * - * The first half of the table is not computed though accept for M[0] and M[1] - */ + * + * The first half of the table is not computed though accept for M[0] and M[1] + */ - if (redmode == 0) { + if (redmode == 0) { #ifdef BN_MP_MONTGOMERY_CALC_NORMALIZATION_C - /* now we need R mod m */ - if ((err = mp_montgomery_calc_normalization (&res, P)) != MP_OKAY) { - goto LBL_RES; - } - - /* now set M[1] to G * R mod m */ - if ((err = mp_mulmod (G, &res, P, &M[1])) != MP_OKAY) { - goto LBL_RES; - } + /* now we need R mod m */ + if ((err = mp_montgomery_calc_normalization(&res, P)) != MP_OKAY) { + goto LBL_RES; + } + + /* now set M[1] to G * R mod m */ + if ((err = mp_mulmod(G, &res, P, &M[1])) != MP_OKAY) { + goto LBL_RES; + } #else - err = MP_VAL; - goto LBL_RES; -#endif - } else { - mp_set(&res, 1); - if ((err = mp_mod(G, P, &M[1])) != MP_OKAY) { - goto LBL_RES; - } - } - - /* compute the value at M[1<<(winsize-1)] by squaring M[1] (winsize-1) times */ - if ((err = mp_copy (&M[1], &M[1 << (winsize - 1)])) != MP_OKAY) { - goto LBL_RES; - } - - for (x = 0; x < (winsize - 1); x++) { - if ((err = mp_sqr (&M[1 << (winsize - 1)], &M[1 << (winsize - 1)])) != MP_OKAY) { - goto LBL_RES; - } - if ((err = redux (&M[1 << (winsize - 1)], P, mp)) != MP_OKAY) { + err = MP_VAL; goto LBL_RES; - } - } +#endif + } else { + mp_set(&res, 1); + if ((err = mp_mod(G, P, &M[1])) != MP_OKAY) { + goto LBL_RES; + } + } - /* create upper table */ - for (x = (1 << (winsize - 1)) + 1; x < (1 << winsize); x++) { - if ((err = mp_mul (&M[x - 1], &M[1], &M[x])) != MP_OKAY) { - goto LBL_RES; - } - if ((err = redux (&M[x], P, mp)) != MP_OKAY) { + /* compute the value at M[1<<(winsize-1)] by squaring M[1] (winsize-1) times */ + if ((err = mp_copy(&M[1], &M[1 << (winsize - 1)])) != MP_OKAY) { goto LBL_RES; - } - } - - /* set initial mode and bit cnt */ - mode = 0; - bitcnt = 1; - buf = 0; - digidx = X->used - 1; - bitcpy = 0; - bitbuf = 0; - - for (;;) { - /* grab next digit as required */ - if (--bitcnt == 0) { - /* if digidx == -1 we are out of digits so break */ - if (digidx == -1) { - break; + } + + for (x = 0; x < (winsize - 1); x++) { + if ((err = mp_sqr(&M[1 << (winsize - 1)], &M[1 << (winsize - 1)])) != MP_OKAY) { + goto LBL_RES; } - /* read next digit and reset bitcnt */ - buf = X->dp[digidx--]; - bitcnt = (int)DIGIT_BIT; - } - - /* grab the next msb from the exponent */ - y = (mp_digit)(buf >> (DIGIT_BIT - 1)) & 1; - buf <<= (mp_digit)1; - - /* if the bit is zero and mode == 0 then we ignore it - * These represent the leading zero bits before the first 1 bit - * in the exponent. Technically this opt is not required but it - * does lower the # of trivial squaring/reductions used - */ - if ((mode == 0) && (y == 0)) { - continue; - } - - /* if the bit is zero and mode == 1 then we square */ - if ((mode == 1) && (y == 0)) { - if ((err = mp_sqr (&res, &res)) != MP_OKAY) { - goto LBL_RES; + if ((err = redux(&M[1 << (winsize - 1)], P, mp)) != MP_OKAY) { + goto LBL_RES; } - if ((err = redux (&res, P, mp)) != MP_OKAY) { - goto LBL_RES; + } + + /* create upper table */ + for (x = (1 << (winsize - 1)) + 1; x < (1 << winsize); x++) { + if ((err = mp_mul(&M[x - 1], &M[1], &M[x])) != MP_OKAY) { + goto LBL_RES; } - continue; - } - - /* else we add it to the window */ - bitbuf |= (y << (winsize - ++bitcpy)); - mode = 2; - - if (bitcpy == winsize) { - /* ok window is filled so square as required and multiply */ - /* square first */ - for (x = 0; x < winsize; x++) { - if ((err = mp_sqr (&res, &res)) != MP_OKAY) { - goto LBL_RES; - } - if ((err = redux (&res, P, mp)) != MP_OKAY) { - goto LBL_RES; - } + if ((err = redux(&M[x], P, mp)) != MP_OKAY) { + goto LBL_RES; + } + } + + /* set initial mode and bit cnt */ + mode = 0; + bitcnt = 1; + buf = 0; + digidx = X->used - 1; + bitcpy = 0; + bitbuf = 0; + + for (;;) { + /* grab next digit as required */ + if (--bitcnt == 0) { + /* if digidx == -1 we are out of digits so break */ + if (digidx == -1) { + break; + } + /* read next digit and reset bitcnt */ + buf = X->dp[digidx--]; + bitcnt = (int)DIGIT_BIT; } - /* then multiply */ - if ((err = mp_mul (&res, &M[bitbuf], &res)) != MP_OKAY) { - goto LBL_RES; + /* grab the next msb from the exponent */ + y = (mp_digit)(buf >> (DIGIT_BIT - 1)) & 1; + buf <<= (mp_digit)1; + + /* if the bit is zero and mode == 0 then we ignore it + * These represent the leading zero bits before the first 1 bit + * in the exponent. Technically this opt is not required but it + * does lower the # of trivial squaring/reductions used + */ + if ((mode == 0) && (y == 0)) { + continue; } - if ((err = redux (&res, P, mp)) != MP_OKAY) { - goto LBL_RES; + + /* if the bit is zero and mode == 1 then we square */ + if ((mode == 1) && (y == 0)) { + if ((err = mp_sqr(&res, &res)) != MP_OKAY) { + goto LBL_RES; + } + if ((err = redux(&res, P, mp)) != MP_OKAY) { + goto LBL_RES; + } + continue; } - /* empty window and reset */ - bitcpy = 0; - bitbuf = 0; - mode = 1; - } - } - - /* if bits remain then square/multiply */ - if ((mode == 2) && (bitcpy > 0)) { - /* square then multiply if the bit is set */ - for (x = 0; x < bitcpy; x++) { - if ((err = mp_sqr (&res, &res)) != MP_OKAY) { - goto LBL_RES; + /* else we add it to the window */ + bitbuf |= (y << (winsize - ++bitcpy)); + mode = 2; + + if (bitcpy == winsize) { + /* ok window is filled so square as required and multiply */ + /* square first */ + for (x = 0; x < winsize; x++) { + if ((err = mp_sqr(&res, &res)) != MP_OKAY) { + goto LBL_RES; + } + if ((err = redux(&res, P, mp)) != MP_OKAY) { + goto LBL_RES; + } + } + + /* then multiply */ + if ((err = mp_mul(&res, &M[bitbuf], &res)) != MP_OKAY) { + goto LBL_RES; + } + if ((err = redux(&res, P, mp)) != MP_OKAY) { + goto LBL_RES; + } + + /* empty window and reset */ + bitcpy = 0; + bitbuf = 0; + mode = 1; } - if ((err = redux (&res, P, mp)) != MP_OKAY) { - goto LBL_RES; + } + + /* if bits remain then square/multiply */ + if ((mode == 2) && (bitcpy > 0)) { + /* square then multiply if the bit is set */ + for (x = 0; x < bitcpy; x++) { + if ((err = mp_sqr(&res, &res)) != MP_OKAY) { + goto LBL_RES; + } + if ((err = redux(&res, P, mp)) != MP_OKAY) { + goto LBL_RES; + } + + /* get next bit of the window */ + bitbuf <<= 1; + if ((bitbuf & (1 << winsize)) != 0) { + /* then multiply */ + if ((err = mp_mul(&res, &M[1], &res)) != MP_OKAY) { + goto LBL_RES; + } + if ((err = redux(&res, P, mp)) != MP_OKAY) { + goto LBL_RES; + } + } } - - /* get next bit of the window */ - bitbuf <<= 1; - if ((bitbuf & (1 << winsize)) != 0) { - /* then multiply */ - if ((err = mp_mul (&res, &M[1], &res)) != MP_OKAY) { - goto LBL_RES; - } - if ((err = redux (&res, P, mp)) != MP_OKAY) { - goto LBL_RES; - } + } + + if (redmode == 0) { + /* fixup result if Montgomery reduction is used + * recall that any value in a Montgomery system is + * actually multiplied by R mod n. So we have + * to reduce one more time to cancel out the factor + * of R. + */ + if ((err = redux(&res, P, mp)) != MP_OKAY) { + goto LBL_RES; } - } - } - - if (redmode == 0) { - /* fixup result if Montgomery reduction is used - * recall that any value in a Montgomery system is - * actually multiplied by R mod n. So we have - * to reduce one more time to cancel out the factor - * of R. - */ - if ((err = redux(&res, P, mp)) != MP_OKAY) { - goto LBL_RES; - } - } - - /* swap res with Y */ - mp_exch (&res, Y); - err = MP_OKAY; -LBL_RES:mp_clear (&res); + } + + /* swap res with Y */ + mp_exch(&res, Y); + err = MP_OKAY; +LBL_RES: + mp_clear(&res); LBL_M: - mp_clear(&M[1]); - for (x = 1<<(winsize-1); x < (1 << winsize); x++) { - mp_clear (&M[x]); - } - return err; + mp_clear(&M[1]); + for (x = 1<<(winsize-1); x < (1 << winsize); x++) { + mp_clear(&M[x]); + } + return err; } #endif diff --git a/libtommath/bn_mp_exteuclid.c b/libtommath/bn_mp_exteuclid.c index 3c9612e..08e5ff2 100644 --- a/libtommath/bn_mp_exteuclid.c +++ b/libtommath/bn_mp_exteuclid.c @@ -18,9 +18,9 @@ /* Extended euclidean algorithm of (a, b) produces a*u1 + b*u2 = u3 */ -int mp_exteuclid(mp_int *a, mp_int *b, mp_int *U1, mp_int *U2, mp_int *U3) +int mp_exteuclid(const mp_int *a, const mp_int *b, mp_int *U1, mp_int *U2, mp_int *U3) { - mp_int u1,u2,u3,v1,v2,v3,t1,t2,t3,q,tmp; + mp_int u1, u2, u3, v1, v2, v3, t1, t2, t3, q, tmp; int err; if ((err = mp_init_multi(&u1, &u2, &u3, &v1, &v2, &v3, &t1, &t2, &t3, &q, &tmp, NULL)) != MP_OKAY) { @@ -29,47 +29,89 @@ int mp_exteuclid(mp_int *a, mp_int *b, mp_int *U1, mp_int *U2, mp_int *U3) /* initialize, (u1,u2,u3) = (1,0,a) */ mp_set(&u1, 1); - if ((err = mp_copy(a, &u3)) != MP_OKAY) { goto LBL_ERR; } + if ((err = mp_copy(a, &u3)) != MP_OKAY) { + goto LBL_ERR; + } /* initialize, (v1,v2,v3) = (0,1,b) */ mp_set(&v2, 1); - if ((err = mp_copy(b, &v3)) != MP_OKAY) { goto LBL_ERR; } + if ((err = mp_copy(b, &v3)) != MP_OKAY) { + goto LBL_ERR; + } /* loop while v3 != 0 */ while (mp_iszero(&v3) == MP_NO) { - /* q = u3/v3 */ - if ((err = mp_div(&u3, &v3, &q, NULL)) != MP_OKAY) { goto LBL_ERR; } + /* q = u3/v3 */ + if ((err = mp_div(&u3, &v3, &q, NULL)) != MP_OKAY) { + goto LBL_ERR; + } - /* (t1,t2,t3) = (u1,u2,u3) - (v1,v2,v3)q */ - if ((err = mp_mul(&v1, &q, &tmp)) != MP_OKAY) { goto LBL_ERR; } - if ((err = mp_sub(&u1, &tmp, &t1)) != MP_OKAY) { goto LBL_ERR; } - if ((err = mp_mul(&v2, &q, &tmp)) != MP_OKAY) { goto LBL_ERR; } - if ((err = mp_sub(&u2, &tmp, &t2)) != MP_OKAY) { goto LBL_ERR; } - if ((err = mp_mul(&v3, &q, &tmp)) != MP_OKAY) { goto LBL_ERR; } - if ((err = mp_sub(&u3, &tmp, &t3)) != MP_OKAY) { goto LBL_ERR; } + /* (t1,t2,t3) = (u1,u2,u3) - (v1,v2,v3)q */ + if ((err = mp_mul(&v1, &q, &tmp)) != MP_OKAY) { + goto LBL_ERR; + } + if ((err = mp_sub(&u1, &tmp, &t1)) != MP_OKAY) { + goto LBL_ERR; + } + if ((err = mp_mul(&v2, &q, &tmp)) != MP_OKAY) { + goto LBL_ERR; + } + if ((err = mp_sub(&u2, &tmp, &t2)) != MP_OKAY) { + goto LBL_ERR; + } + if ((err = mp_mul(&v3, &q, &tmp)) != MP_OKAY) { + goto LBL_ERR; + } + if ((err = mp_sub(&u3, &tmp, &t3)) != MP_OKAY) { + goto LBL_ERR; + } - /* (u1,u2,u3) = (v1,v2,v3) */ - if ((err = mp_copy(&v1, &u1)) != MP_OKAY) { goto LBL_ERR; } - if ((err = mp_copy(&v2, &u2)) != MP_OKAY) { goto LBL_ERR; } - if ((err = mp_copy(&v3, &u3)) != MP_OKAY) { goto LBL_ERR; } + /* (u1,u2,u3) = (v1,v2,v3) */ + if ((err = mp_copy(&v1, &u1)) != MP_OKAY) { + goto LBL_ERR; + } + if ((err = mp_copy(&v2, &u2)) != MP_OKAY) { + goto LBL_ERR; + } + if ((err = mp_copy(&v3, &u3)) != MP_OKAY) { + goto LBL_ERR; + } - /* (v1,v2,v3) = (t1,t2,t3) */ - if ((err = mp_copy(&t1, &v1)) != MP_OKAY) { goto LBL_ERR; } - if ((err = mp_copy(&t2, &v2)) != MP_OKAY) { goto LBL_ERR; } - if ((err = mp_copy(&t3, &v3)) != MP_OKAY) { goto LBL_ERR; } + /* (v1,v2,v3) = (t1,t2,t3) */ + if ((err = mp_copy(&t1, &v1)) != MP_OKAY) { + goto LBL_ERR; + } + if ((err = mp_copy(&t2, &v2)) != MP_OKAY) { + goto LBL_ERR; + } + if ((err = mp_copy(&t3, &v3)) != MP_OKAY) { + goto LBL_ERR; + } } /* make sure U3 >= 0 */ if (u3.sign == MP_NEG) { - if ((err = mp_neg(&u1, &u1)) != MP_OKAY) { goto LBL_ERR; } - if ((err = mp_neg(&u2, &u2)) != MP_OKAY) { goto LBL_ERR; } - if ((err = mp_neg(&u3, &u3)) != MP_OKAY) { goto LBL_ERR; } + if ((err = mp_neg(&u1, &u1)) != MP_OKAY) { + goto LBL_ERR; + } + if ((err = mp_neg(&u2, &u2)) != MP_OKAY) { + goto LBL_ERR; + } + if ((err = mp_neg(&u3, &u3)) != MP_OKAY) { + goto LBL_ERR; + } } /* copy result out */ - if (U1 != NULL) { mp_exch(U1, &u1); } - if (U2 != NULL) { mp_exch(U2, &u2); } - if (U3 != NULL) { mp_exch(U3, &u3); } + if (U1 != NULL) { + mp_exch(U1, &u1); + } + if (U2 != NULL) { + mp_exch(U2, &u2); + } + if (U3 != NULL) { + mp_exch(U3, &u3); + } err = MP_OKAY; LBL_ERR: diff --git a/libtommath/bn_mp_fread.c b/libtommath/bn_mp_fread.c index 140721b..d0de595 100644 --- a/libtommath/bn_mp_fread.c +++ b/libtommath/bn_mp_fread.c @@ -20,10 +20,10 @@ int mp_fread(mp_int *a, int radix, FILE *stream) { int err, ch, neg, y; - + /* clear a */ mp_zero(a); - + /* if first digit is - then set negative */ ch = fgetc(stream); if (ch == '-') { @@ -32,18 +32,18 @@ int mp_fread(mp_int *a, int radix, FILE *stream) } else { neg = MP_ZPOS; } - + for (;;) { /* find y in the radix map */ for (y = 0; y < radix; y++) { - if (mp_s_rmap[y] == ch) { - break; - } + if (mp_s_rmap[y] == ch) { + break; + } } if (y == radix) { break; } - + /* shift up and add */ if ((err = mp_mul_d(a, radix, a)) != MP_OKAY) { return err; @@ -51,13 +51,13 @@ int mp_fread(mp_int *a, int radix, FILE *stream) if ((err = mp_add_d(a, y, a)) != MP_OKAY) { return err; } - + ch = fgetc(stream); } if (mp_cmp_d(a, 0) != MP_EQ) { a->sign = neg; } - + return MP_OKAY; } #endif diff --git a/libtommath/bn_mp_fwrite.c b/libtommath/bn_mp_fwrite.c index 23b5f64..829dd4a 100644 --- a/libtommath/bn_mp_fwrite.c +++ b/libtommath/bn_mp_fwrite.c @@ -16,33 +16,33 @@ */ #ifndef LTM_NO_FILE -int mp_fwrite(mp_int *a, int radix, FILE *stream) +int mp_fwrite(const mp_int *a, int radix, FILE *stream) { char *buf; int err, len, x; - + if ((err = mp_radix_size(a, radix, &len)) != MP_OKAY) { return err; } - buf = OPT_CAST(char) XMALLOC (len); + buf = OPT_CAST(char) XMALLOC(len); if (buf == NULL) { return MP_MEM; } - + if ((err = mp_toradix(a, buf, radix)) != MP_OKAY) { - XFREE (buf); + XFREE(buf); return err; } - + for (x = 0; x < len; x++) { - if (fputc(buf[x], stream) == EOF) { - XFREE (buf); - return MP_VAL; - } + if (fputc(buf[x], stream) == EOF) { + XFREE(buf); + return MP_VAL; + } } - - XFREE (buf); + + XFREE(buf); return MP_OKAY; } #endif diff --git a/libtommath/bn_mp_gcd.c b/libtommath/bn_mp_gcd.c index b0be8fb..f5aa78b 100644 --- a/libtommath/bn_mp_gcd.c +++ b/libtommath/bn_mp_gcd.c @@ -16,87 +16,89 @@ */ /* Greatest Common Divisor using the binary method */ -int mp_gcd (mp_int * a, mp_int * b, mp_int * c) +int mp_gcd(const mp_int *a, const mp_int *b, mp_int *c) { - mp_int u, v; - int k, u_lsb, v_lsb, res; + mp_int u, v; + int k, u_lsb, v_lsb, res; - /* either zero than gcd is the largest */ - if (mp_iszero (a) == MP_YES) { - return mp_abs (b, c); - } - if (mp_iszero (b) == MP_YES) { - return mp_abs (a, c); - } + /* either zero than gcd is the largest */ + if (mp_iszero(a) == MP_YES) { + return mp_abs(b, c); + } + if (mp_iszero(b) == MP_YES) { + return mp_abs(a, c); + } - /* get copies of a and b we can modify */ - if ((res = mp_init_copy (&u, a)) != MP_OKAY) { - return res; - } + /* get copies of a and b we can modify */ + if ((res = mp_init_copy(&u, a)) != MP_OKAY) { + return res; + } - if ((res = mp_init_copy (&v, b)) != MP_OKAY) { - goto LBL_U; - } + if ((res = mp_init_copy(&v, b)) != MP_OKAY) { + goto LBL_U; + } - /* must be positive for the remainder of the algorithm */ - u.sign = v.sign = MP_ZPOS; + /* must be positive for the remainder of the algorithm */ + u.sign = v.sign = MP_ZPOS; - /* B1. Find the common power of two for u and v */ - u_lsb = mp_cnt_lsb(&u); - v_lsb = mp_cnt_lsb(&v); - k = MIN(u_lsb, v_lsb); + /* B1. Find the common power of two for u and v */ + u_lsb = mp_cnt_lsb(&u); + v_lsb = mp_cnt_lsb(&v); + k = MIN(u_lsb, v_lsb); - if (k > 0) { - /* divide the power of two out */ - if ((res = mp_div_2d(&u, k, &u, NULL)) != MP_OKAY) { - goto LBL_V; - } + if (k > 0) { + /* divide the power of two out */ + if ((res = mp_div_2d(&u, k, &u, NULL)) != MP_OKAY) { + goto LBL_V; + } - if ((res = mp_div_2d(&v, k, &v, NULL)) != MP_OKAY) { - goto LBL_V; - } - } + if ((res = mp_div_2d(&v, k, &v, NULL)) != MP_OKAY) { + goto LBL_V; + } + } - /* divide any remaining factors of two out */ - if (u_lsb != k) { - if ((res = mp_div_2d(&u, u_lsb - k, &u, NULL)) != MP_OKAY) { - goto LBL_V; - } - } + /* divide any remaining factors of two out */ + if (u_lsb != k) { + if ((res = mp_div_2d(&u, u_lsb - k, &u, NULL)) != MP_OKAY) { + goto LBL_V; + } + } - if (v_lsb != k) { - if ((res = mp_div_2d(&v, v_lsb - k, &v, NULL)) != MP_OKAY) { - goto LBL_V; - } - } + if (v_lsb != k) { + if ((res = mp_div_2d(&v, v_lsb - k, &v, NULL)) != MP_OKAY) { + goto LBL_V; + } + } - while (mp_iszero(&v) == MP_NO) { - /* make sure v is the largest */ - if (mp_cmp_mag(&u, &v) == MP_GT) { - /* swap u and v to make sure v is >= u */ - mp_exch(&u, &v); - } - - /* subtract smallest from largest */ - if ((res = s_mp_sub(&v, &u, &v)) != MP_OKAY) { - goto LBL_V; - } - - /* Divide out all factors of two */ - if ((res = mp_div_2d(&v, mp_cnt_lsb(&v), &v, NULL)) != MP_OKAY) { - goto LBL_V; - } - } + while (mp_iszero(&v) == MP_NO) { + /* make sure v is the largest */ + if (mp_cmp_mag(&u, &v) == MP_GT) { + /* swap u and v to make sure v is >= u */ + mp_exch(&u, &v); + } - /* multiply by 2**k which we divided out at the beginning */ - if ((res = mp_mul_2d (&u, k, c)) != MP_OKAY) { - goto LBL_V; - } - c->sign = MP_ZPOS; - res = MP_OKAY; -LBL_V:mp_clear (&u); -LBL_U:mp_clear (&v); - return res; + /* subtract smallest from largest */ + if ((res = s_mp_sub(&v, &u, &v)) != MP_OKAY) { + goto LBL_V; + } + + /* Divide out all factors of two */ + if ((res = mp_div_2d(&v, mp_cnt_lsb(&v), &v, NULL)) != MP_OKAY) { + goto LBL_V; + } + } + + /* multiply by 2**k which we divided out at the beginning */ + if ((res = mp_mul_2d(&u, k, c)) != MP_OKAY) { + goto LBL_V; + } + c->sign = MP_ZPOS; + res = MP_OKAY; +LBL_V: + mp_clear(&u); +LBL_U: + mp_clear(&v); + return res; } #endif diff --git a/libtommath/bn_mp_get_int.c b/libtommath/bn_mp_get_int.c index 5c820f8..f4a347f 100644 --- a/libtommath/bn_mp_get_int.c +++ b/libtommath/bn_mp_get_int.c @@ -16,27 +16,27 @@ */ /* get the lower 32-bits of an mp_int */ -unsigned long mp_get_int(mp_int * a) +unsigned long mp_get_int(const mp_int *a) { - int i; - mp_min_u32 res; + int i; + mp_min_u32 res; - if (a->used == 0) { - return 0; - } + if (a->used == 0) { + return 0; + } - /* get number of digits of the lsb we have to read */ - i = MIN(a->used,(int)(((sizeof(unsigned long) * CHAR_BIT) + DIGIT_BIT - 1) / DIGIT_BIT)) - 1; + /* get number of digits of the lsb we have to read */ + i = MIN(a->used, (int)(((sizeof(unsigned long) * CHAR_BIT) + DIGIT_BIT - 1) / DIGIT_BIT)) - 1; - /* get most significant digit of result */ - res = DIGIT(a,i); + /* get most significant digit of result */ + res = DIGIT(a, i); - while (--i >= 0) { - res = (res << DIGIT_BIT) | DIGIT(a,i); - } + while (--i >= 0) { + res = (res << DIGIT_BIT) | DIGIT(a, i); + } - /* force result to 32-bits always so it is consistent on non 32-bit platforms */ - return res & 0xFFFFFFFFUL; + /* force result to 32-bits always so it is consistent on non 32-bit platforms */ + return res & 0xFFFFFFFFUL; } #endif diff --git a/libtommath/bn_mp_get_long.c b/libtommath/bn_mp_get_long.c index 7c3d0fe..3fc7c35 100644 --- a/libtommath/bn_mp_get_long.c +++ b/libtommath/bn_mp_get_long.c @@ -16,26 +16,26 @@ */ /* get the lower unsigned long of an mp_int, platform dependent */ -unsigned long mp_get_long(mp_int * a) +unsigned long mp_get_long(const mp_int *a) { - int i; - unsigned long res; + int i; + unsigned long res; - if (a->used == 0) { - return 0; - } + if (a->used == 0) { + return 0; + } - /* get number of digits of the lsb we have to read */ - i = MIN(a->used,(int)(((sizeof(unsigned long) * CHAR_BIT) + DIGIT_BIT - 1) / DIGIT_BIT)) - 1; + /* get number of digits of the lsb we have to read */ + i = MIN(a->used, (int)(((sizeof(unsigned long) * CHAR_BIT) + DIGIT_BIT - 1) / DIGIT_BIT)) - 1; - /* get most significant digit of result */ - res = DIGIT(a,i); + /* get most significant digit of result */ + res = DIGIT(a, i); #if (ULONG_MAX != 0xffffffffuL) || (DIGIT_BIT < 32) - while (--i >= 0) { - res = (res << DIGIT_BIT) | DIGIT(a,i); - } + while (--i >= 0) { + res = (res << DIGIT_BIT) | DIGIT(a, i); + } #endif - return res; + return res; } #endif diff --git a/libtommath/bn_mp_get_long_long.c b/libtommath/bn_mp_get_long_long.c index 4b959e6..a363f60 100644 --- a/libtommath/bn_mp_get_long_long.c +++ b/libtommath/bn_mp_get_long_long.c @@ -16,26 +16,26 @@ */ /* get the lower unsigned long long of an mp_int, platform dependent */ -unsigned long long mp_get_long_long (mp_int * a) +Tcl_WideUInt mp_get_long_long(const mp_int *a) { - int i; - unsigned long long res; + int i; + Tcl_WideUInt res; - if (a->used == 0) { - return 0; - } + if (a->used == 0) { + return 0; + } - /* get number of digits of the lsb we have to read */ - i = MIN(a->used,(int)(((sizeof(unsigned long long) * CHAR_BIT) + DIGIT_BIT - 1) / DIGIT_BIT)) - 1; + /* get number of digits of the lsb we have to read */ + i = MIN(a->used, (int)(((sizeof(Tcl_WideUInt) * CHAR_BIT) + DIGIT_BIT - 1) / DIGIT_BIT)) - 1; - /* get most significant digit of result */ - res = DIGIT(a,i); + /* get most significant digit of result */ + res = DIGIT(a, i); #if DIGIT_BIT < 64 - while (--i >= 0) { - res = (res << DIGIT_BIT) | DIGIT(a,i); - } + while (--i >= 0) { + res = (res << DIGIT_BIT) | DIGIT(a, i); + } #endif - return res; + return res; } #endif diff --git a/libtommath/bn_mp_grow.c b/libtommath/bn_mp_grow.c index 74e07b1..0030931 100644 --- a/libtommath/bn_mp_grow.c +++ b/libtommath/bn_mp_grow.c @@ -16,39 +16,39 @@ */ /* grow as required */ -int mp_grow (mp_int * a, int size) +int mp_grow(mp_int *a, int size) { - int i; - mp_digit *tmp; + int i; + mp_digit *tmp; - /* if the alloc size is smaller alloc more ram */ - if (a->alloc < size) { - /* ensure there are always at least MP_PREC digits extra on top */ - size += (MP_PREC * 2) - (size % MP_PREC); + /* if the alloc size is smaller alloc more ram */ + if (a->alloc < size) { + /* ensure there are always at least MP_PREC digits extra on top */ + size += (MP_PREC * 2) - (size % MP_PREC); - /* reallocate the array a->dp - * - * We store the return in a temporary variable - * in case the operation failed we don't want - * to overwrite the dp member of a. - */ - tmp = OPT_CAST(mp_digit) XREALLOC (a->dp, sizeof (mp_digit) * size); - if (tmp == NULL) { - /* reallocation failed but "a" is still valid [can be freed] */ - return MP_MEM; - } + /* reallocate the array a->dp + * + * We store the return in a temporary variable + * in case the operation failed we don't want + * to overwrite the dp member of a. + */ + tmp = OPT_CAST(mp_digit) XREALLOC(a->dp, sizeof(mp_digit) * size); + if (tmp == NULL) { + /* reallocation failed but "a" is still valid [can be freed] */ + return MP_MEM; + } - /* reallocation succeeded so set a->dp */ - a->dp = tmp; + /* reallocation succeeded so set a->dp */ + a->dp = tmp; - /* zero excess digits */ - i = a->alloc; - a->alloc = size; - for (; i < a->alloc; i++) { - a->dp[i] = 0; - } - } - return MP_OKAY; + /* zero excess digits */ + i = a->alloc; + a->alloc = size; + for (; i < a->alloc; i++) { + a->dp[i] = 0; + } + } + return MP_OKAY; } #endif diff --git a/libtommath/bn_mp_import.c b/libtommath/bn_mp_import.c index df29389..afd735e 100644 --- a/libtommath/bn_mp_import.c +++ b/libtommath/bn_mp_import.c @@ -18,52 +18,50 @@ /* based on gmp's mpz_import. * see http://gmplib.org/manual/Integer-Import-and-Export.html */ -int mp_import(mp_int* rop, size_t count, int order, size_t size, - int endian, size_t nails, const void* op) { - int result; - size_t odd_nails, nail_bytes, i, j; - unsigned char odd_nail_mask; +int mp_import(mp_int *rop, size_t count, int order, size_t size, + int endian, size_t nails, const void *op) +{ + int result; + size_t odd_nails, nail_bytes, i, j; + unsigned char odd_nail_mask; - mp_zero(rop); + mp_zero(rop); - if (endian == 0) { - union { - unsigned int i; - char c[4]; - } lint; - lint.i = 0x01020304; + if (endian == 0) { + union { + unsigned int i; + char c[4]; + } lint; + lint.i = 0x01020304; - endian = (lint.c[0] == 4) ? -1 : 1; - } + endian = (lint.c[0] == 4) ? -1 : 1; + } - odd_nails = (nails % 8); - odd_nail_mask = 0xff; - for (i = 0; i < odd_nails; ++i) { - odd_nail_mask ^= (1 << (7 - i)); - } - nail_bytes = nails / 8; + odd_nails = (nails % 8); + odd_nail_mask = 0xff; + for (i = 0; i < odd_nails; ++i) { + odd_nail_mask ^= (1 << (7 - i)); + } + nail_bytes = nails / 8; - for (i = 0; i < count; ++i) { - for (j = 0; j < (size - nail_bytes); ++j) { - unsigned char byte = *( - (unsigned char*)op + - (((order == 1) ? i : ((count - 1) - i)) * size) + - ((endian == 1) ? (j + nail_bytes) : (((size - 1) - j) - nail_bytes)) - ); + for (i = 0; i < count; ++i) { + for (j = 0; j < (size - nail_bytes); ++j) { + unsigned char byte = *((unsigned char *)op + + (((order == 1) ? i : ((count - 1) - i)) * size) + + ((endian == 1) ? (j + nail_bytes) : (((size - 1) - j) - nail_bytes))); - if ( - (result = mp_mul_2d(rop, ((j == 0) ? (8 - odd_nails) : 8), rop)) != MP_OKAY) { - return result; - } + if ((result = mp_mul_2d(rop, ((j == 0) ? (8 - odd_nails) : 8), rop)) != MP_OKAY) { + return result; + } - rop->dp[0] |= (j == 0) ? (byte & odd_nail_mask) : byte; - rop->used += 1; - } - } + rop->dp[0] |= (j == 0) ? (byte & odd_nail_mask) : byte; + rop->used += 1; + } + } - mp_clamp(rop); + mp_clamp(rop); - return MP_OKAY; + return MP_OKAY; } #endif diff --git a/libtommath/bn_mp_init.c b/libtommath/bn_mp_init.c index ee374ae..0556aeb 100644 --- a/libtommath/bn_mp_init.c +++ b/libtommath/bn_mp_init.c @@ -16,28 +16,28 @@ */ /* init a new mp_int */ -int mp_init (mp_int * a) +int mp_init(mp_int *a) { - int i; + int i; - /* allocate memory required and clear it */ - a->dp = OPT_CAST(mp_digit) XMALLOC (sizeof (mp_digit) * MP_PREC); - if (a->dp == NULL) { - return MP_MEM; - } + /* allocate memory required and clear it */ + a->dp = OPT_CAST(mp_digit) XMALLOC(sizeof(mp_digit) * MP_PREC); + if (a->dp == NULL) { + return MP_MEM; + } - /* set the digits to zero */ - for (i = 0; i < MP_PREC; i++) { + /* set the digits to zero */ + for (i = 0; i < MP_PREC; i++) { a->dp[i] = 0; - } + } - /* set the used to zero, allocated digits to the default precision - * and sign to positive */ - a->used = 0; - a->alloc = MP_PREC; - a->sign = MP_ZPOS; + /* set the used to zero, allocated digits to the default precision + * and sign to positive */ + a->used = 0; + a->alloc = MP_PREC; + a->sign = MP_ZPOS; - return MP_OKAY; + return MP_OKAY; } #endif diff --git a/libtommath/bn_mp_init_copy.c b/libtommath/bn_mp_init_copy.c index 2a06e08..5681015 100644 --- a/libtommath/bn_mp_init_copy.c +++ b/libtommath/bn_mp_init_copy.c @@ -16,19 +16,19 @@ */ /* creates "a" then copies b into it */ -int mp_init_copy (mp_int * a, const mp_int * b) +int mp_init_copy(mp_int *a, const mp_int *b) { - int res; + int res; - if ((res = mp_init_size (a, b->used)) != MP_OKAY) { - return res; - } + if ((res = mp_init_size(a, b->used)) != MP_OKAY) { + return res; + } - if((res = mp_copy (b, a)) != MP_OKAY) { - mp_clear(a); - } + if ((res = mp_copy(b, a)) != MP_OKAY) { + mp_clear(a); + } - return res; + return res; } #endif diff --git a/libtommath/bn_mp_init_multi.c b/libtommath/bn_mp_init_multi.c index 73d6a0f..0da7803 100644 --- a/libtommath/bn_mp_init_multi.c +++ b/libtommath/bn_mp_init_multi.c @@ -16,37 +16,37 @@ */ #include <stdarg.h> -int mp_init_multi(mp_int *mp, ...) +int mp_init_multi(mp_int *mp, ...) { - mp_err res = MP_OKAY; /* Assume ok until proven otherwise */ - int n = 0; /* Number of ok inits */ - mp_int* cur_arg = mp; - va_list args; + mp_err res = MP_OKAY; /* Assume ok until proven otherwise */ + int n = 0; /* Number of ok inits */ + mp_int *cur_arg = mp; + va_list args; - va_start(args, mp); /* init args to next argument from caller */ - while (cur_arg != NULL) { - if (mp_init(cur_arg) != MP_OKAY) { - /* Oops - error! Back-track and mp_clear what we already - succeeded in init-ing, then return error. - */ - va_list clean_args; - - /* now start cleaning up */ - cur_arg = mp; - va_start(clean_args, mp); - while (n-- != 0) { - mp_clear(cur_arg); - cur_arg = va_arg(clean_args, mp_int*); - } - va_end(clean_args); - res = MP_MEM; - break; - } - n++; - cur_arg = va_arg(args, mp_int*); - } - va_end(args); - return res; /* Assumed ok, if error flagged above. */ + va_start(args, mp); /* init args to next argument from caller */ + while (cur_arg != NULL) { + if (mp_init(cur_arg) != MP_OKAY) { + /* Oops - error! Back-track and mp_clear what we already + succeeded in init-ing, then return error. + */ + va_list clean_args; + + /* now start cleaning up */ + cur_arg = mp; + va_start(clean_args, mp); + while (n-- != 0) { + mp_clear(cur_arg); + cur_arg = va_arg(clean_args, mp_int *); + } + va_end(clean_args); + res = MP_MEM; + break; + } + n++; + cur_arg = va_arg(args, mp_int *); + } + va_end(args); + return res; /* Assumed ok, if error flagged above. */ } #endif diff --git a/libtommath/bn_mp_init_set.c b/libtommath/bn_mp_init_set.c index ed4955c..e9c1b12 100644 --- a/libtommath/bn_mp_init_set.c +++ b/libtommath/bn_mp_init_set.c @@ -16,14 +16,14 @@ */ /* initialize and set a digit */ -int mp_init_set (mp_int * a, mp_digit b) +int mp_init_set(mp_int *a, mp_digit b) { - int err; - if ((err = mp_init(a)) != MP_OKAY) { - return err; - } - mp_set(a, b); - return err; + int err; + if ((err = mp_init(a)) != MP_OKAY) { + return err; + } + mp_set(a, b); + return err; } #endif diff --git a/libtommath/bn_mp_init_set_int.c b/libtommath/bn_mp_init_set_int.c index 1bc1942..8e7441a 100644 --- a/libtommath/bn_mp_init_set_int.c +++ b/libtommath/bn_mp_init_set_int.c @@ -16,13 +16,13 @@ */ /* initialize and set a digit */ -int mp_init_set_int (mp_int * a, unsigned long b) +int mp_init_set_int(mp_int *a, unsigned long b) { - int err; - if ((err = mp_init(a)) != MP_OKAY) { - return err; - } - return mp_set_int(a, b); + int err; + if ((err = mp_init(a)) != MP_OKAY) { + return err; + } + return mp_set_int(a, b); } #endif diff --git a/libtommath/bn_mp_init_size.c b/libtommath/bn_mp_init_size.c index 4446773..623a03f 100644 --- a/libtommath/bn_mp_init_size.c +++ b/libtommath/bn_mp_init_size.c @@ -16,30 +16,30 @@ */ /* init an mp_init for a given size */ -int mp_init_size (mp_int * a, int size) +int mp_init_size(mp_int *a, int size) { - int x; + int x; - /* pad size so there are always extra digits */ - size += (MP_PREC * 2) - (size % MP_PREC); - - /* alloc mem */ - a->dp = OPT_CAST(mp_digit) XMALLOC (sizeof (mp_digit) * size); - if (a->dp == NULL) { - return MP_MEM; - } + /* pad size so there are always extra digits */ + size += (MP_PREC * 2) - (size % MP_PREC); - /* set the members */ - a->used = 0; - a->alloc = size; - a->sign = MP_ZPOS; + /* alloc mem */ + a->dp = OPT_CAST(mp_digit) XMALLOC(sizeof(mp_digit) * size); + if (a->dp == NULL) { + return MP_MEM; + } - /* zero the digits */ - for (x = 0; x < size; x++) { + /* set the members */ + a->used = 0; + a->alloc = size; + a->sign = MP_ZPOS; + + /* zero the digits */ + for (x = 0; x < size; x++) { a->dp[x] = 0; - } + } - return MP_OKAY; + return MP_OKAY; } #endif diff --git a/libtommath/bn_mp_invmod.c b/libtommath/bn_mp_invmod.c index 36011d0..525493a 100644 --- a/libtommath/bn_mp_invmod.c +++ b/libtommath/bn_mp_invmod.c @@ -16,24 +16,24 @@ */ /* hac 14.61, pp608 */ -int mp_invmod (mp_int * a, mp_int * b, mp_int * c) +int mp_invmod(const mp_int *a, const mp_int *b, mp_int *c) { - /* b cannot be negative */ - if ((b->sign == MP_NEG) || (mp_iszero(b) == MP_YES)) { - return MP_VAL; - } + /* b cannot be negative */ + if ((b->sign == MP_NEG) || (mp_iszero(b) == MP_YES)) { + return MP_VAL; + } #ifdef BN_FAST_MP_INVMOD_C - /* if the modulus is odd we can use a faster routine instead */ - if ((mp_isodd(b) == MP_YES) && (mp_cmp_d(b, 1) != MP_EQ)) { - return fast_mp_invmod (a, b, c); - } + /* if the modulus is odd we can use a faster routine instead */ + if ((mp_isodd(b) == MP_YES) && (mp_cmp_d(b, 1) != MP_EQ)) { + return fast_mp_invmod(a, b, c); + } #endif #ifdef BN_MP_INVMOD_SLOW_C - return mp_invmod_slow(a, b, c); + return mp_invmod_slow(a, b, c); #else - return MP_VAL; + return MP_VAL; #endif } #endif diff --git a/libtommath/bn_mp_invmod_slow.c b/libtommath/bn_mp_invmod_slow.c index ff0d5ae..2bb5196 100644 --- a/libtommath/bn_mp_invmod_slow.c +++ b/libtommath/bn_mp_invmod_slow.c @@ -16,157 +16,158 @@ */ /* hac 14.61, pp608 */ -int mp_invmod_slow (mp_int * a, mp_int * b, mp_int * c) +int mp_invmod_slow(const mp_int *a, const mp_int *b, mp_int *c) { - mp_int x, y, u, v, A, B, C, D; - int res; - - /* b cannot be negative */ - if ((b->sign == MP_NEG) || (mp_iszero(b) == MP_YES)) { - return MP_VAL; - } - - /* init temps */ - if ((res = mp_init_multi(&x, &y, &u, &v, - &A, &B, &C, &D, NULL)) != MP_OKAY) { - return res; - } - - /* x = a, y = b */ - if ((res = mp_mod(a, b, &x)) != MP_OKAY) { + mp_int x, y, u, v, A, B, C, D; + int res; + + /* b cannot be negative */ + if ((b->sign == MP_NEG) || (mp_iszero(b) == MP_YES)) { + return MP_VAL; + } + + /* init temps */ + if ((res = mp_init_multi(&x, &y, &u, &v, + &A, &B, &C, &D, NULL)) != MP_OKAY) { + return res; + } + + /* x = a, y = b */ + if ((res = mp_mod(a, b, &x)) != MP_OKAY) { goto LBL_ERR; - } - if ((res = mp_copy (b, &y)) != MP_OKAY) { - goto LBL_ERR; - } - - /* 2. [modified] if x,y are both even then return an error! */ - if ((mp_iseven (&x) == MP_YES) && (mp_iseven (&y) == MP_YES)) { - res = MP_VAL; - goto LBL_ERR; - } - - /* 3. u=x, v=y, A=1, B=0, C=0,D=1 */ - if ((res = mp_copy (&x, &u)) != MP_OKAY) { - goto LBL_ERR; - } - if ((res = mp_copy (&y, &v)) != MP_OKAY) { - goto LBL_ERR; - } - mp_set (&A, 1); - mp_set (&D, 1); + } + if ((res = mp_copy(b, &y)) != MP_OKAY) { + goto LBL_ERR; + } -top: - /* 4. while u is even do */ - while (mp_iseven (&u) == MP_YES) { - /* 4.1 u = u/2 */ - if ((res = mp_div_2 (&u, &u)) != MP_OKAY) { + /* 2. [modified] if x,y are both even then return an error! */ + if ((mp_iseven(&x) == MP_YES) && (mp_iseven(&y) == MP_YES)) { + res = MP_VAL; + goto LBL_ERR; + } + + /* 3. u=x, v=y, A=1, B=0, C=0,D=1 */ + if ((res = mp_copy(&x, &u)) != MP_OKAY) { + goto LBL_ERR; + } + if ((res = mp_copy(&y, &v)) != MP_OKAY) { goto LBL_ERR; - } - /* 4.2 if A or B is odd then */ - if ((mp_isodd (&A) == MP_YES) || (mp_isodd (&B) == MP_YES)) { - /* A = (A+y)/2, B = (B-x)/2 */ - if ((res = mp_add (&A, &y, &A)) != MP_OKAY) { + } + mp_set(&A, 1); + mp_set(&D, 1); + +top: + /* 4. while u is even do */ + while (mp_iseven(&u) == MP_YES) { + /* 4.1 u = u/2 */ + if ((res = mp_div_2(&u, &u)) != MP_OKAY) { goto LBL_ERR; } - if ((res = mp_sub (&B, &x, &B)) != MP_OKAY) { + /* 4.2 if A or B is odd then */ + if ((mp_isodd(&A) == MP_YES) || (mp_isodd(&B) == MP_YES)) { + /* A = (A+y)/2, B = (B-x)/2 */ + if ((res = mp_add(&A, &y, &A)) != MP_OKAY) { + goto LBL_ERR; + } + if ((res = mp_sub(&B, &x, &B)) != MP_OKAY) { + goto LBL_ERR; + } + } + /* A = A/2, B = B/2 */ + if ((res = mp_div_2(&A, &A)) != MP_OKAY) { goto LBL_ERR; } - } - /* A = A/2, B = B/2 */ - if ((res = mp_div_2 (&A, &A)) != MP_OKAY) { - goto LBL_ERR; - } - if ((res = mp_div_2 (&B, &B)) != MP_OKAY) { - goto LBL_ERR; - } - } + if ((res = mp_div_2(&B, &B)) != MP_OKAY) { + goto LBL_ERR; + } + } - /* 5. while v is even do */ - while (mp_iseven (&v) == MP_YES) { - /* 5.1 v = v/2 */ - if ((res = mp_div_2 (&v, &v)) != MP_OKAY) { - goto LBL_ERR; - } - /* 5.2 if C or D is odd then */ - if ((mp_isodd (&C) == MP_YES) || (mp_isodd (&D) == MP_YES)) { - /* C = (C+y)/2, D = (D-x)/2 */ - if ((res = mp_add (&C, &y, &C)) != MP_OKAY) { + /* 5. while v is even do */ + while (mp_iseven(&v) == MP_YES) { + /* 5.1 v = v/2 */ + if ((res = mp_div_2(&v, &v)) != MP_OKAY) { goto LBL_ERR; } - if ((res = mp_sub (&D, &x, &D)) != MP_OKAY) { + /* 5.2 if C or D is odd then */ + if ((mp_isodd(&C) == MP_YES) || (mp_isodd(&D) == MP_YES)) { + /* C = (C+y)/2, D = (D-x)/2 */ + if ((res = mp_add(&C, &y, &C)) != MP_OKAY) { + goto LBL_ERR; + } + if ((res = mp_sub(&D, &x, &D)) != MP_OKAY) { + goto LBL_ERR; + } + } + /* C = C/2, D = D/2 */ + if ((res = mp_div_2(&C, &C)) != MP_OKAY) { goto LBL_ERR; } - } - /* C = C/2, D = D/2 */ - if ((res = mp_div_2 (&C, &C)) != MP_OKAY) { - goto LBL_ERR; - } - if ((res = mp_div_2 (&D, &D)) != MP_OKAY) { - goto LBL_ERR; - } - } + if ((res = mp_div_2(&D, &D)) != MP_OKAY) { + goto LBL_ERR; + } + } - /* 6. if u >= v then */ - if (mp_cmp (&u, &v) != MP_LT) { - /* u = u - v, A = A - C, B = B - D */ - if ((res = mp_sub (&u, &v, &u)) != MP_OKAY) { - goto LBL_ERR; - } + /* 6. if u >= v then */ + if (mp_cmp(&u, &v) != MP_LT) { + /* u = u - v, A = A - C, B = B - D */ + if ((res = mp_sub(&u, &v, &u)) != MP_OKAY) { + goto LBL_ERR; + } - if ((res = mp_sub (&A, &C, &A)) != MP_OKAY) { - goto LBL_ERR; - } + if ((res = mp_sub(&A, &C, &A)) != MP_OKAY) { + goto LBL_ERR; + } - if ((res = mp_sub (&B, &D, &B)) != MP_OKAY) { - goto LBL_ERR; - } - } else { - /* v - v - u, C = C - A, D = D - B */ - if ((res = mp_sub (&v, &u, &v)) != MP_OKAY) { - goto LBL_ERR; - } + if ((res = mp_sub(&B, &D, &B)) != MP_OKAY) { + goto LBL_ERR; + } + } else { + /* v - v - u, C = C - A, D = D - B */ + if ((res = mp_sub(&v, &u, &v)) != MP_OKAY) { + goto LBL_ERR; + } - if ((res = mp_sub (&C, &A, &C)) != MP_OKAY) { - goto LBL_ERR; - } + if ((res = mp_sub(&C, &A, &C)) != MP_OKAY) { + goto LBL_ERR; + } - if ((res = mp_sub (&D, &B, &D)) != MP_OKAY) { - goto LBL_ERR; - } - } + if ((res = mp_sub(&D, &B, &D)) != MP_OKAY) { + goto LBL_ERR; + } + } - /* if not zero goto step 4 */ - if (mp_iszero (&u) == MP_NO) - goto top; + /* if not zero goto step 4 */ + if (mp_iszero(&u) == MP_NO) + goto top; - /* now a = C, b = D, gcd == g*v */ + /* now a = C, b = D, gcd == g*v */ - /* if v != 1 then there is no inverse */ - if (mp_cmp_d (&v, 1) != MP_EQ) { - res = MP_VAL; - goto LBL_ERR; - } + /* if v != 1 then there is no inverse */ + if (mp_cmp_d(&v, 1) != MP_EQ) { + res = MP_VAL; + goto LBL_ERR; + } - /* if its too low */ - while (mp_cmp_d(&C, 0) == MP_LT) { + /* if its too low */ + while (mp_cmp_d(&C, 0) == MP_LT) { if ((res = mp_add(&C, b, &C)) != MP_OKAY) { goto LBL_ERR; } - } - - /* too big */ - while (mp_cmp_mag(&C, b) != MP_LT) { + } + + /* too big */ + while (mp_cmp_mag(&C, b) != MP_LT) { if ((res = mp_sub(&C, b, &C)) != MP_OKAY) { goto LBL_ERR; } - } - - /* C is now the inverse */ - mp_exch (&C, c); - res = MP_OKAY; -LBL_ERR:mp_clear_multi (&x, &y, &u, &v, &A, &B, &C, &D, NULL); - return res; + } + + /* C is now the inverse */ + mp_exch(&C, c); + res = MP_OKAY; +LBL_ERR: + mp_clear_multi(&x, &y, &u, &v, &A, &B, &C, &D, NULL); + return res; } #endif diff --git a/libtommath/bn_mp_is_square.c b/libtommath/bn_mp_is_square.c index dd08d58..dd5150e 100644 --- a/libtommath/bn_mp_is_square.c +++ b/libtommath/bn_mp_is_square.c @@ -17,90 +17,91 @@ /* Check if remainders are possible squares - fast exclude non-squares */ static const char rem_128[128] = { - 0, 0, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, - 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, - 1, 0, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, - 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, - 0, 0, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, - 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, - 1, 0, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, - 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1 + 0, 0, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, + 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, + 1, 0, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, + 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, + 0, 0, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, + 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, + 1, 0, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, + 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1 }; static const char rem_105[105] = { - 0, 0, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, - 0, 0, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, - 0, 1, 1, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 1, 1, - 1, 0, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, - 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, - 1, 1, 1, 1, 0, 1, 0, 1, 1, 0, 0, 1, 1, 1, 1, - 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1 + 0, 0, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, + 0, 0, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, + 0, 1, 1, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 1, 1, + 1, 0, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, + 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, + 1, 1, 1, 1, 0, 1, 0, 1, 1, 0, 0, 1, 1, 1, 1, + 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1 }; /* Store non-zero to ret if arg is square, and zero if not */ -int mp_is_square(mp_int *arg,int *ret) +int mp_is_square(const mp_int *arg, int *ret) { - int res; - mp_digit c; - mp_int t; - unsigned long r; + int res; + mp_digit c; + mp_int t; + unsigned long r; - /* Default to Non-square :) */ - *ret = MP_NO; + /* Default to Non-square :) */ + *ret = MP_NO; - if (arg->sign == MP_NEG) { - return MP_VAL; - } + if (arg->sign == MP_NEG) { + return MP_VAL; + } - /* digits used? (TSD) */ - if (arg->used == 0) { - return MP_OKAY; - } + /* digits used? (TSD) */ + if (arg->used == 0) { + return MP_OKAY; + } - /* First check mod 128 (suppose that DIGIT_BIT is at least 7) */ - if (rem_128[127 & DIGIT(arg,0)] == 1) { - return MP_OKAY; - } + /* First check mod 128 (suppose that DIGIT_BIT is at least 7) */ + if (rem_128[127 & DIGIT(arg, 0)] == 1) { + return MP_OKAY; + } - /* Next check mod 105 (3*5*7) */ - if ((res = mp_mod_d(arg,105,&c)) != MP_OKAY) { - return res; - } - if (rem_105[c] == 1) { - return MP_OKAY; - } + /* Next check mod 105 (3*5*7) */ + if ((res = mp_mod_d(arg, 105, &c)) != MP_OKAY) { + return res; + } + if (rem_105[c] == 1) { + return MP_OKAY; + } - if ((res = mp_init_set_int(&t,11L*13L*17L*19L*23L*29L*31L)) != MP_OKAY) { - return res; - } - if ((res = mp_mod(arg,&t,&t)) != MP_OKAY) { - goto ERR; - } - r = mp_get_int(&t); - /* Check for other prime modules, note it's not an ERROR but we must - * free "t" so the easiest way is to goto ERR. We know that res - * is already equal to MP_OKAY from the mp_mod call - */ - if (((1L<<(r%11)) & 0x5C4L) != 0L) goto ERR; - if (((1L<<(r%13)) & 0x9E4L) != 0L) goto ERR; - if (((1L<<(r%17)) & 0x5CE8L) != 0L) goto ERR; - if (((1L<<(r%19)) & 0x4F50CL) != 0L) goto ERR; - if (((1L<<(r%23)) & 0x7ACCA0L) != 0L) goto ERR; - if (((1L<<(r%29)) & 0xC2EDD0CL) != 0L) goto ERR; - if (((1L<<(r%31)) & 0x6DE2B848L) != 0L) goto ERR; + if ((res = mp_init_set_int(&t, 11L*13L*17L*19L*23L*29L*31L)) != MP_OKAY) { + return res; + } + if ((res = mp_mod(arg, &t, &t)) != MP_OKAY) { + goto ERR; + } + r = mp_get_int(&t); + /* Check for other prime modules, note it's not an ERROR but we must + * free "t" so the easiest way is to goto ERR. We know that res + * is already equal to MP_OKAY from the mp_mod call + */ + if (((1L<<(r%11)) & 0x5C4L) != 0L) goto ERR; + if (((1L<<(r%13)) & 0x9E4L) != 0L) goto ERR; + if (((1L<<(r%17)) & 0x5CE8L) != 0L) goto ERR; + if (((1L<<(r%19)) & 0x4F50CL) != 0L) goto ERR; + if (((1L<<(r%23)) & 0x7ACCA0L) != 0L) goto ERR; + if (((1L<<(r%29)) & 0xC2EDD0CL) != 0L) goto ERR; + if (((1L<<(r%31)) & 0x6DE2B848L) != 0L) goto ERR; - /* Final check - is sqr(sqrt(arg)) == arg ? */ - if ((res = mp_sqrt(arg,&t)) != MP_OKAY) { - goto ERR; - } - if ((res = mp_sqr(&t,&t)) != MP_OKAY) { - goto ERR; - } + /* Final check - is sqr(sqrt(arg)) == arg ? */ + if ((res = mp_sqrt(arg, &t)) != MP_OKAY) { + goto ERR; + } + if ((res = mp_sqr(&t, &t)) != MP_OKAY) { + goto ERR; + } - *ret = (mp_cmp_mag(&t,arg) == MP_EQ) ? MP_YES : MP_NO; -ERR:mp_clear(&t); - return res; + *ret = (mp_cmp_mag(&t, arg) == MP_EQ) ? MP_YES : MP_NO; +ERR: + mp_clear(&t); + return res; } #endif diff --git a/libtommath/bn_mp_jacobi.c b/libtommath/bn_mp_jacobi.c index 5fc8593..c314c82 100644 --- a/libtommath/bn_mp_jacobi.c +++ b/libtommath/bn_mp_jacobi.c @@ -20,95 +20,97 @@ * HAC is wrong here, as the special case of (0 | 1) is not * handled correctly. */ -int mp_jacobi (mp_int * a, mp_int * n, int *c) +int mp_jacobi(const mp_int *a, const mp_int *n, int *c) { - mp_int a1, p1; - int k, s, r, res; - mp_digit residue; + mp_int a1, p1; + int k, s, r, res; + mp_digit residue; - /* if a < 0 return MP_VAL */ - if (mp_isneg(a) == MP_YES) { - return MP_VAL; - } + /* if a < 0 return MP_VAL */ + if (mp_isneg(a) == MP_YES) { + return MP_VAL; + } - /* if n <= 0 return MP_VAL */ - if (mp_cmp_d(n, 0) != MP_GT) { - return MP_VAL; - } + /* if n <= 0 return MP_VAL */ + if (mp_cmp_d(n, 0) != MP_GT) { + return MP_VAL; + } - /* step 1. handle case of a == 0 */ - if (mp_iszero (a) == MP_YES) { - /* special case of a == 0 and n == 1 */ - if (mp_cmp_d (n, 1) == MP_EQ) { - *c = 1; - } else { - *c = 0; - } - return MP_OKAY; - } + /* step 1. handle case of a == 0 */ + if (mp_iszero(a) == MP_YES) { + /* special case of a == 0 and n == 1 */ + if (mp_cmp_d(n, 1) == MP_EQ) { + *c = 1; + } else { + *c = 0; + } + return MP_OKAY; + } - /* step 2. if a == 1, return 1 */ - if (mp_cmp_d (a, 1) == MP_EQ) { - *c = 1; - return MP_OKAY; - } + /* step 2. if a == 1, return 1 */ + if (mp_cmp_d(a, 1) == MP_EQ) { + *c = 1; + return MP_OKAY; + } - /* default */ - s = 0; + /* default */ + s = 0; - /* step 3. write a = a1 * 2**k */ - if ((res = mp_init_copy (&a1, a)) != MP_OKAY) { - return res; - } + /* step 3. write a = a1 * 2**k */ + if ((res = mp_init_copy(&a1, a)) != MP_OKAY) { + return res; + } - if ((res = mp_init (&p1)) != MP_OKAY) { - goto LBL_A1; - } + if ((res = mp_init(&p1)) != MP_OKAY) { + goto LBL_A1; + } - /* divide out larger power of two */ - k = mp_cnt_lsb(&a1); - if ((res = mp_div_2d(&a1, k, &a1, NULL)) != MP_OKAY) { - goto LBL_P1; - } - - /* step 4. if e is even set s=1 */ - if ((k & 1) == 0) { - s = 1; - } else { - /* else set s=1 if p = 1/7 (mod 8) or s=-1 if p = 3/5 (mod 8) */ - residue = n->dp[0] & 7; + /* divide out larger power of two */ + k = mp_cnt_lsb(&a1); + if ((res = mp_div_2d(&a1, k, &a1, NULL)) != MP_OKAY) { + goto LBL_P1; + } - if ((residue == 1) || (residue == 7)) { + /* step 4. if e is even set s=1 */ + if ((k & 1) == 0) { s = 1; - } else if ((residue == 3) || (residue == 5)) { - s = -1; - } - } + } else { + /* else set s=1 if p = 1/7 (mod 8) or s=-1 if p = 3/5 (mod 8) */ + residue = n->dp[0] & 7; - /* step 5. if p == 3 (mod 4) *and* a1 == 3 (mod 4) then s = -s */ - if ( ((n->dp[0] & 3) == 3) && ((a1.dp[0] & 3) == 3)) { - s = -s; - } + if ((residue == 1) || (residue == 7)) { + s = 1; + } else if ((residue == 3) || (residue == 5)) { + s = -1; + } + } - /* if a1 == 1 we're done */ - if (mp_cmp_d (&a1, 1) == MP_EQ) { - *c = s; - } else { - /* n1 = n mod a1 */ - if ((res = mp_mod (n, &a1, &p1)) != MP_OKAY) { - goto LBL_P1; - } - if ((res = mp_jacobi (&p1, &a1, &r)) != MP_OKAY) { - goto LBL_P1; - } - *c = s * r; - } + /* step 5. if p == 3 (mod 4) *and* a1 == 3 (mod 4) then s = -s */ + if (((n->dp[0] & 3) == 3) && ((a1.dp[0] & 3) == 3)) { + s = -s; + } + + /* if a1 == 1 we're done */ + if (mp_cmp_d(&a1, 1) == MP_EQ) { + *c = s; + } else { + /* n1 = n mod a1 */ + if ((res = mp_mod(n, &a1, &p1)) != MP_OKAY) { + goto LBL_P1; + } + if ((res = mp_jacobi(&p1, &a1, &r)) != MP_OKAY) { + goto LBL_P1; + } + *c = s * r; + } - /* done */ - res = MP_OKAY; -LBL_P1:mp_clear (&p1); -LBL_A1:mp_clear (&a1); - return res; + /* done */ + res = MP_OKAY; +LBL_P1: + mp_clear(&p1); +LBL_A1: + mp_clear(&a1); + return res; } #endif diff --git a/libtommath/bn_mp_karatsuba_mul.c b/libtommath/bn_mp_karatsuba_mul.c index 4d982c7..1a84211 100644 --- a/libtommath/bn_mp_karatsuba_mul.c +++ b/libtommath/bn_mp_karatsuba_mul.c @@ -15,150 +15,157 @@ * Tom St Denis, tstdenis82@gmail.com, http://libtom.org */ -/* c = |a| * |b| using Karatsuba Multiplication using +/* c = |a| * |b| using Karatsuba Multiplication using * three half size multiplications * - * Let B represent the radix [e.g. 2**DIGIT_BIT] and - * let n represent half of the number of digits in + * Let B represent the radix [e.g. 2**DIGIT_BIT] and + * let n represent half of the number of digits in * the min(a,b) * * a = a1 * B**n + a0 * b = b1 * B**n + b0 * - * Then, a * b => + * Then, a * b => a1b1 * B**2n + ((a1 + a0)(b1 + b0) - (a0b0 + a1b1)) * B + a0b0 * - * Note that a1b1 and a0b0 are used twice and only need to be - * computed once. So in total three half size (half # of - * digit) multiplications are performed, a0b0, a1b1 and + * Note that a1b1 and a0b0 are used twice and only need to be + * computed once. So in total three half size (half # of + * digit) multiplications are performed, a0b0, a1b1 and * (a1+b1)(a0+b0) * * Note that a multiplication of half the digits requires - * 1/4th the number of single precision multiplications so in - * total after one call 25% of the single precision multiplications - * are saved. Note also that the call to mp_mul can end up back - * in this function if the a0, a1, b0, or b1 are above the threshold. - * This is known as divide-and-conquer and leads to the famous - * O(N**lg(3)) or O(N**1.584) work which is asymptopically lower than - * the standard O(N**2) that the baseline/comba methods use. - * Generally though the overhead of this method doesn't pay off + * 1/4th the number of single precision multiplications so in + * total after one call 25% of the single precision multiplications + * are saved. Note also that the call to mp_mul can end up back + * in this function if the a0, a1, b0, or b1 are above the threshold. + * This is known as divide-and-conquer and leads to the famous + * O(N**lg(3)) or O(N**1.584) work which is asymptopically lower than + * the standard O(N**2) that the baseline/comba methods use. + * Generally though the overhead of this method doesn't pay off * until a certain size (N ~ 80) is reached. */ -int mp_karatsuba_mul (mp_int * a, mp_int * b, mp_int * c) +int mp_karatsuba_mul(const mp_int *a, const mp_int *b, mp_int *c) { - mp_int x0, x1, y0, y1, t1, x0y0, x1y1; - int B, err; - - /* default the return code to an error */ - err = MP_MEM; - - /* min # of digits */ - B = MIN (a->used, b->used); - - /* now divide in two */ - B = B >> 1; - - /* init copy all the temps */ - if (mp_init_size (&x0, B) != MP_OKAY) - goto ERR; - if (mp_init_size (&x1, a->used - B) != MP_OKAY) - goto X0; - if (mp_init_size (&y0, B) != MP_OKAY) - goto X1; - if (mp_init_size (&y1, b->used - B) != MP_OKAY) - goto Y0; - - /* init temps */ - if (mp_init_size (&t1, B * 2) != MP_OKAY) - goto Y1; - if (mp_init_size (&x0y0, B * 2) != MP_OKAY) - goto T1; - if (mp_init_size (&x1y1, B * 2) != MP_OKAY) - goto X0Y0; - - /* now shift the digits */ - x0.used = y0.used = B; - x1.used = a->used - B; - y1.used = b->used - B; - - { - int x; - mp_digit *tmpa, *tmpb, *tmpx, *tmpy; - - /* we copy the digits directly instead of using higher level functions - * since we also need to shift the digits - */ - tmpa = a->dp; - tmpb = b->dp; - - tmpx = x0.dp; - tmpy = y0.dp; - for (x = 0; x < B; x++) { - *tmpx++ = *tmpa++; - *tmpy++ = *tmpb++; - } - - tmpx = x1.dp; - for (x = B; x < a->used; x++) { - *tmpx++ = *tmpa++; - } - - tmpy = y1.dp; - for (x = B; x < b->used; x++) { - *tmpy++ = *tmpb++; - } - } - - /* only need to clamp the lower words since by definition the - * upper words x1/y1 must have a known number of digits - */ - mp_clamp (&x0); - mp_clamp (&y0); - - /* now calc the products x0y0 and x1y1 */ - /* after this x0 is no longer required, free temp [x0==t2]! */ - if (mp_mul (&x0, &y0, &x0y0) != MP_OKAY) - goto X1Y1; /* x0y0 = x0*y0 */ - if (mp_mul (&x1, &y1, &x1y1) != MP_OKAY) - goto X1Y1; /* x1y1 = x1*y1 */ - - /* now calc x1+x0 and y1+y0 */ - if (s_mp_add (&x1, &x0, &t1) != MP_OKAY) - goto X1Y1; /* t1 = x1 - x0 */ - if (s_mp_add (&y1, &y0, &x0) != MP_OKAY) - goto X1Y1; /* t2 = y1 - y0 */ - if (mp_mul (&t1, &x0, &t1) != MP_OKAY) - goto X1Y1; /* t1 = (x1 + x0) * (y1 + y0) */ - - /* add x0y0 */ - if (mp_add (&x0y0, &x1y1, &x0) != MP_OKAY) - goto X1Y1; /* t2 = x0y0 + x1y1 */ - if (s_mp_sub (&t1, &x0, &t1) != MP_OKAY) - goto X1Y1; /* t1 = (x1+x0)*(y1+y0) - (x1y1 + x0y0) */ - - /* shift by B */ - if (mp_lshd (&t1, B) != MP_OKAY) - goto X1Y1; /* t1 = (x0y0 + x1y1 - (x1-x0)*(y1-y0))<<B */ - if (mp_lshd (&x1y1, B * 2) != MP_OKAY) - goto X1Y1; /* x1y1 = x1y1 << 2*B */ - - if (mp_add (&x0y0, &t1, &t1) != MP_OKAY) - goto X1Y1; /* t1 = x0y0 + t1 */ - if (mp_add (&t1, &x1y1, c) != MP_OKAY) - goto X1Y1; /* t1 = x0y0 + t1 + x1y1 */ - - /* Algorithm succeeded set the return code to MP_OKAY */ - err = MP_OKAY; - -X1Y1:mp_clear (&x1y1); -X0Y0:mp_clear (&x0y0); -T1:mp_clear (&t1); -Y1:mp_clear (&y1); -Y0:mp_clear (&y0); -X1:mp_clear (&x1); -X0:mp_clear (&x0); + mp_int x0, x1, y0, y1, t1, x0y0, x1y1; + int B, err; + + /* default the return code to an error */ + err = MP_MEM; + + /* min # of digits */ + B = MIN(a->used, b->used); + + /* now divide in two */ + B = B >> 1; + + /* init copy all the temps */ + if (mp_init_size(&x0, B) != MP_OKAY) + goto ERR; + if (mp_init_size(&x1, a->used - B) != MP_OKAY) + goto X0; + if (mp_init_size(&y0, B) != MP_OKAY) + goto X1; + if (mp_init_size(&y1, b->used - B) != MP_OKAY) + goto Y0; + + /* init temps */ + if (mp_init_size(&t1, B * 2) != MP_OKAY) + goto Y1; + if (mp_init_size(&x0y0, B * 2) != MP_OKAY) + goto T1; + if (mp_init_size(&x1y1, B * 2) != MP_OKAY) + goto X0Y0; + + /* now shift the digits */ + x0.used = y0.used = B; + x1.used = a->used - B; + y1.used = b->used - B; + + { + int x; + mp_digit *tmpa, *tmpb, *tmpx, *tmpy; + + /* we copy the digits directly instead of using higher level functions + * since we also need to shift the digits + */ + tmpa = a->dp; + tmpb = b->dp; + + tmpx = x0.dp; + tmpy = y0.dp; + for (x = 0; x < B; x++) { + *tmpx++ = *tmpa++; + *tmpy++ = *tmpb++; + } + + tmpx = x1.dp; + for (x = B; x < a->used; x++) { + *tmpx++ = *tmpa++; + } + + tmpy = y1.dp; + for (x = B; x < b->used; x++) { + *tmpy++ = *tmpb++; + } + } + + /* only need to clamp the lower words since by definition the + * upper words x1/y1 must have a known number of digits + */ + mp_clamp(&x0); + mp_clamp(&y0); + + /* now calc the products x0y0 and x1y1 */ + /* after this x0 is no longer required, free temp [x0==t2]! */ + if (mp_mul(&x0, &y0, &x0y0) != MP_OKAY) + goto X1Y1; /* x0y0 = x0*y0 */ + if (mp_mul(&x1, &y1, &x1y1) != MP_OKAY) + goto X1Y1; /* x1y1 = x1*y1 */ + + /* now calc x1+x0 and y1+y0 */ + if (s_mp_add(&x1, &x0, &t1) != MP_OKAY) + goto X1Y1; /* t1 = x1 - x0 */ + if (s_mp_add(&y1, &y0, &x0) != MP_OKAY) + goto X1Y1; /* t2 = y1 - y0 */ + if (mp_mul(&t1, &x0, &t1) != MP_OKAY) + goto X1Y1; /* t1 = (x1 + x0) * (y1 + y0) */ + + /* add x0y0 */ + if (mp_add(&x0y0, &x1y1, &x0) != MP_OKAY) + goto X1Y1; /* t2 = x0y0 + x1y1 */ + if (s_mp_sub(&t1, &x0, &t1) != MP_OKAY) + goto X1Y1; /* t1 = (x1+x0)*(y1+y0) - (x1y1 + x0y0) */ + + /* shift by B */ + if (mp_lshd(&t1, B) != MP_OKAY) + goto X1Y1; /* t1 = (x0y0 + x1y1 - (x1-x0)*(y1-y0))<<B */ + if (mp_lshd(&x1y1, B * 2) != MP_OKAY) + goto X1Y1; /* x1y1 = x1y1 << 2*B */ + + if (mp_add(&x0y0, &t1, &t1) != MP_OKAY) + goto X1Y1; /* t1 = x0y0 + t1 */ + if (mp_add(&t1, &x1y1, c) != MP_OKAY) + goto X1Y1; /* t1 = x0y0 + t1 + x1y1 */ + + /* Algorithm succeeded set the return code to MP_OKAY */ + err = MP_OKAY; + +X1Y1: + mp_clear(&x1y1); +X0Y0: + mp_clear(&x0y0); +T1: + mp_clear(&t1); +Y1: + mp_clear(&y1); +Y0: + mp_clear(&y0); +X1: + mp_clear(&x1); +X0: + mp_clear(&x0); ERR: - return err; + return err; } #endif diff --git a/libtommath/bn_mp_karatsuba_sqr.c b/libtommath/bn_mp_karatsuba_sqr.c index 764e85a..c566b06 100644 --- a/libtommath/bn_mp_karatsuba_sqr.c +++ b/libtommath/bn_mp_karatsuba_sqr.c @@ -15,104 +15,110 @@ * Tom St Denis, tstdenis82@gmail.com, http://libtom.org */ -/* Karatsuba squaring, computes b = a*a using three +/* Karatsuba squaring, computes b = a*a using three * half size squarings * - * See comments of karatsuba_mul for details. It - * is essentially the same algorithm but merely + * See comments of karatsuba_mul for details. It + * is essentially the same algorithm but merely * tuned to perform recursive squarings. */ -int mp_karatsuba_sqr (mp_int * a, mp_int * b) +int mp_karatsuba_sqr(const mp_int *a, mp_int *b) { - mp_int x0, x1, t1, t2, x0x0, x1x1; - int B, err; - - err = MP_MEM; - - /* min # of digits */ - B = a->used; - - /* now divide in two */ - B = B >> 1; - - /* init copy all the temps */ - if (mp_init_size (&x0, B) != MP_OKAY) - goto ERR; - if (mp_init_size (&x1, a->used - B) != MP_OKAY) - goto X0; - - /* init temps */ - if (mp_init_size (&t1, a->used * 2) != MP_OKAY) - goto X1; - if (mp_init_size (&t2, a->used * 2) != MP_OKAY) - goto T1; - if (mp_init_size (&x0x0, B * 2) != MP_OKAY) - goto T2; - if (mp_init_size (&x1x1, (a->used - B) * 2) != MP_OKAY) - goto X0X0; - - { - int x; - mp_digit *dst, *src; - - src = a->dp; - - /* now shift the digits */ - dst = x0.dp; - for (x = 0; x < B; x++) { - *dst++ = *src++; - } - - dst = x1.dp; - for (x = B; x < a->used; x++) { - *dst++ = *src++; - } - } - - x0.used = B; - x1.used = a->used - B; - - mp_clamp (&x0); - - /* now calc the products x0*x0 and x1*x1 */ - if (mp_sqr (&x0, &x0x0) != MP_OKAY) - goto X1X1; /* x0x0 = x0*x0 */ - if (mp_sqr (&x1, &x1x1) != MP_OKAY) - goto X1X1; /* x1x1 = x1*x1 */ - - /* now calc (x1+x0)**2 */ - if (s_mp_add (&x1, &x0, &t1) != MP_OKAY) - goto X1X1; /* t1 = x1 - x0 */ - if (mp_sqr (&t1, &t1) != MP_OKAY) - goto X1X1; /* t1 = (x1 - x0) * (x1 - x0) */ - - /* add x0y0 */ - if (s_mp_add (&x0x0, &x1x1, &t2) != MP_OKAY) - goto X1X1; /* t2 = x0x0 + x1x1 */ - if (s_mp_sub (&t1, &t2, &t1) != MP_OKAY) - goto X1X1; /* t1 = (x1+x0)**2 - (x0x0 + x1x1) */ - - /* shift by B */ - if (mp_lshd (&t1, B) != MP_OKAY) - goto X1X1; /* t1 = (x0x0 + x1x1 - (x1-x0)*(x1-x0))<<B */ - if (mp_lshd (&x1x1, B * 2) != MP_OKAY) - goto X1X1; /* x1x1 = x1x1 << 2*B */ - - if (mp_add (&x0x0, &t1, &t1) != MP_OKAY) - goto X1X1; /* t1 = x0x0 + t1 */ - if (mp_add (&t1, &x1x1, b) != MP_OKAY) - goto X1X1; /* t1 = x0x0 + t1 + x1x1 */ - - err = MP_OKAY; - -X1X1:mp_clear (&x1x1); -X0X0:mp_clear (&x0x0); -T2:mp_clear (&t2); -T1:mp_clear (&t1); -X1:mp_clear (&x1); -X0:mp_clear (&x0); + mp_int x0, x1, t1, t2, x0x0, x1x1; + int B, err; + + err = MP_MEM; + + /* min # of digits */ + B = a->used; + + /* now divide in two */ + B = B >> 1; + + /* init copy all the temps */ + if (mp_init_size(&x0, B) != MP_OKAY) + goto ERR; + if (mp_init_size(&x1, a->used - B) != MP_OKAY) + goto X0; + + /* init temps */ + if (mp_init_size(&t1, a->used * 2) != MP_OKAY) + goto X1; + if (mp_init_size(&t2, a->used * 2) != MP_OKAY) + goto T1; + if (mp_init_size(&x0x0, B * 2) != MP_OKAY) + goto T2; + if (mp_init_size(&x1x1, (a->used - B) * 2) != MP_OKAY) + goto X0X0; + + { + int x; + mp_digit *dst, *src; + + src = a->dp; + + /* now shift the digits */ + dst = x0.dp; + for (x = 0; x < B; x++) { + *dst++ = *src++; + } + + dst = x1.dp; + for (x = B; x < a->used; x++) { + *dst++ = *src++; + } + } + + x0.used = B; + x1.used = a->used - B; + + mp_clamp(&x0); + + /* now calc the products x0*x0 and x1*x1 */ + if (mp_sqr(&x0, &x0x0) != MP_OKAY) + goto X1X1; /* x0x0 = x0*x0 */ + if (mp_sqr(&x1, &x1x1) != MP_OKAY) + goto X1X1; /* x1x1 = x1*x1 */ + + /* now calc (x1+x0)**2 */ + if (s_mp_add(&x1, &x0, &t1) != MP_OKAY) + goto X1X1; /* t1 = x1 - x0 */ + if (mp_sqr(&t1, &t1) != MP_OKAY) + goto X1X1; /* t1 = (x1 - x0) * (x1 - x0) */ + + /* add x0y0 */ + if (s_mp_add(&x0x0, &x1x1, &t2) != MP_OKAY) + goto X1X1; /* t2 = x0x0 + x1x1 */ + if (s_mp_sub(&t1, &t2, &t1) != MP_OKAY) + goto X1X1; /* t1 = (x1+x0)**2 - (x0x0 + x1x1) */ + + /* shift by B */ + if (mp_lshd(&t1, B) != MP_OKAY) + goto X1X1; /* t1 = (x0x0 + x1x1 - (x1-x0)*(x1-x0))<<B */ + if (mp_lshd(&x1x1, B * 2) != MP_OKAY) + goto X1X1; /* x1x1 = x1x1 << 2*B */ + + if (mp_add(&x0x0, &t1, &t1) != MP_OKAY) + goto X1X1; /* t1 = x0x0 + t1 */ + if (mp_add(&t1, &x1x1, b) != MP_OKAY) + goto X1X1; /* t1 = x0x0 + t1 + x1x1 */ + + err = MP_OKAY; + +X1X1: + mp_clear(&x1x1); +X0X0: + mp_clear(&x0x0); +T2: + mp_clear(&t2); +T1: + mp_clear(&t1); +X1: + mp_clear(&x1); +X0: + mp_clear(&x0); ERR: - return err; + return err; } #endif diff --git a/libtommath/bn_mp_lcm.c b/libtommath/bn_mp_lcm.c index 512e8ec..24b621c 100644 --- a/libtommath/bn_mp_lcm.c +++ b/libtommath/bn_mp_lcm.c @@ -16,42 +16,42 @@ */ /* computes least common multiple as |a*b|/(a, b) */ -int mp_lcm (mp_int * a, mp_int * b, mp_int * c) +int mp_lcm(const mp_int *a, const mp_int *b, mp_int *c) { - int res; - mp_int t1, t2; - - - if ((res = mp_init_multi (&t1, &t2, NULL)) != MP_OKAY) { - return res; - } - - /* t1 = get the GCD of the two inputs */ - if ((res = mp_gcd (a, b, &t1)) != MP_OKAY) { - goto LBL_T; - } - - /* divide the smallest by the GCD */ - if (mp_cmp_mag(a, b) == MP_LT) { - /* store quotient in t2 such that t2 * b is the LCM */ - if ((res = mp_div(a, &t1, &t2, NULL)) != MP_OKAY) { - goto LBL_T; - } - res = mp_mul(b, &t2, c); - } else { - /* store quotient in t2 such that t2 * a is the LCM */ - if ((res = mp_div(b, &t1, &t2, NULL)) != MP_OKAY) { - goto LBL_T; - } - res = mp_mul(a, &t2, c); - } - - /* fix the sign to positive */ - c->sign = MP_ZPOS; + int res; + mp_int t1, t2; + + + if ((res = mp_init_multi(&t1, &t2, NULL)) != MP_OKAY) { + return res; + } + + /* t1 = get the GCD of the two inputs */ + if ((res = mp_gcd(a, b, &t1)) != MP_OKAY) { + goto LBL_T; + } + + /* divide the smallest by the GCD */ + if (mp_cmp_mag(a, b) == MP_LT) { + /* store quotient in t2 such that t2 * b is the LCM */ + if ((res = mp_div(a, &t1, &t2, NULL)) != MP_OKAY) { + goto LBL_T; + } + res = mp_mul(b, &t2, c); + } else { + /* store quotient in t2 such that t2 * a is the LCM */ + if ((res = mp_div(b, &t1, &t2, NULL)) != MP_OKAY) { + goto LBL_T; + } + res = mp_mul(a, &t2, c); + } + + /* fix the sign to positive */ + c->sign = MP_ZPOS; LBL_T: - mp_clear_multi (&t1, &t2, NULL); - return res; + mp_clear_multi(&t1, &t2, NULL); + return res; } #endif diff --git a/libtommath/bn_mp_lshd.c b/libtommath/bn_mp_lshd.c index 0143e94..888989a 100644 --- a/libtommath/bn_mp_lshd.c +++ b/libtommath/bn_mp_lshd.c @@ -16,49 +16,49 @@ */ /* shift left a certain amount of digits */ -int mp_lshd (mp_int * a, int b) +int mp_lshd(mp_int *a, int b) { - int x, res; + int x, res; - /* if its less than zero return */ - if (b <= 0) { - return MP_OKAY; - } + /* if its less than zero return */ + if (b <= 0) { + return MP_OKAY; + } - /* grow to fit the new digits */ - if (a->alloc < (a->used + b)) { - if ((res = mp_grow (a, a->used + b)) != MP_OKAY) { - return res; - } - } + /* grow to fit the new digits */ + if (a->alloc < (a->used + b)) { + if ((res = mp_grow(a, a->used + b)) != MP_OKAY) { + return res; + } + } - { - mp_digit *top, *bottom; + { + mp_digit *top, *bottom; - /* increment the used by the shift amount then copy upwards */ - a->used += b; + /* increment the used by the shift amount then copy upwards */ + a->used += b; - /* top */ - top = a->dp + a->used - 1; + /* top */ + top = a->dp + a->used - 1; - /* base */ - bottom = (a->dp + a->used - 1) - b; + /* base */ + bottom = (a->dp + a->used - 1) - b; - /* much like mp_rshd this is implemented using a sliding window - * except the window goes the otherway around. Copying from - * the bottom to the top. see bn_mp_rshd.c for more info. - */ - for (x = a->used - 1; x >= b; x--) { - *top-- = *bottom--; - } + /* much like mp_rshd this is implemented using a sliding window + * except the window goes the otherway around. Copying from + * the bottom to the top. see bn_mp_rshd.c for more info. + */ + for (x = a->used - 1; x >= b; x--) { + *top-- = *bottom--; + } - /* zero the lower digits */ - top = a->dp; - for (x = 0; x < b; x++) { - *top++ = 0; - } - } - return MP_OKAY; + /* zero the lower digits */ + top = a->dp; + for (x = 0; x < b; x++) { + *top++ = 0; + } + } + return MP_OKAY; } #endif diff --git a/libtommath/bn_mp_mod.c b/libtommath/bn_mp_mod.c index 06240a0..64e73ea 100644 --- a/libtommath/bn_mp_mod.c +++ b/libtommath/bn_mp_mod.c @@ -16,30 +16,29 @@ */ /* c = a mod b, 0 <= c < b if b > 0, b < c <= 0 if b < 0 */ -int -mp_mod (mp_int * a, mp_int * b, mp_int * c) +int mp_mod(const mp_int *a, const mp_int *b, mp_int *c) { - mp_int t; - int res; + mp_int t; + int res; - if ((res = mp_init_size (&t, b->used)) != MP_OKAY) { - return res; - } + if ((res = mp_init_size(&t, b->used)) != MP_OKAY) { + return res; + } - if ((res = mp_div (a, b, NULL, &t)) != MP_OKAY) { - mp_clear (&t); - return res; - } + if ((res = mp_div(a, b, NULL, &t)) != MP_OKAY) { + mp_clear(&t); + return res; + } - if ((mp_iszero(&t) != MP_NO) || (t.sign == b->sign)) { - res = MP_OKAY; - mp_exch (&t, c); - } else { - res = mp_add (b, &t, c); - } + if ((mp_iszero(&t) != MP_NO) || (t.sign == b->sign)) { + res = MP_OKAY; + mp_exch(&t, c); + } else { + res = mp_add(b, &t, c); + } - mp_clear (&t); - return res; + mp_clear(&t); + return res; } #endif diff --git a/libtommath/bn_mp_mod_2d.c b/libtommath/bn_mp_mod_2d.c index ed427fd..8e69757 100644 --- a/libtommath/bn_mp_mod_2d.c +++ b/libtommath/bn_mp_mod_2d.c @@ -16,37 +16,36 @@ */ /* calc a value mod 2**b */ -int -mp_mod_2d (const mp_int * a, int b, mp_int * c) +int mp_mod_2d(const mp_int *a, int b, mp_int *c) { - int x, res; + int x, res; - /* if b is <= 0 then zero the int */ - if (b <= 0) { - mp_zero (c); - return MP_OKAY; - } + /* if b is <= 0 then zero the int */ + if (b <= 0) { + mp_zero(c); + return MP_OKAY; + } - /* if the modulus is larger than the value than return */ - if (b >= (int) (a->used * DIGIT_BIT)) { - res = mp_copy (a, c); - return res; - } + /* if the modulus is larger than the value than return */ + if (b >= (int)(a->used * DIGIT_BIT)) { + res = mp_copy(a, c); + return res; + } - /* copy */ - if ((res = mp_copy (a, c)) != MP_OKAY) { - return res; - } + /* copy */ + if ((res = mp_copy(a, c)) != MP_OKAY) { + return res; + } - /* zero digits above the last digit of the modulus */ - for (x = (b / DIGIT_BIT) + (((b % DIGIT_BIT) == 0) ? 0 : 1); x < c->used; x++) { - c->dp[x] = 0; - } - /* clear the digit that is not completely outside/inside the modulus */ - c->dp[b / DIGIT_BIT] &= - (mp_digit) ((((mp_digit) 1) << (((mp_digit) b) % DIGIT_BIT)) - ((mp_digit) 1)); - mp_clamp (c); - return MP_OKAY; + /* zero digits above the last digit of the modulus */ + for (x = (b / DIGIT_BIT) + (((b % DIGIT_BIT) == 0) ? 0 : 1); x < c->used; x++) { + c->dp[x] = 0; + } + /* clear the digit that is not completely outside/inside the modulus */ + c->dp[b / DIGIT_BIT] &= + (mp_digit)((((mp_digit) 1) << (((mp_digit) b) % DIGIT_BIT)) - ((mp_digit) 1)); + mp_clamp(c); + return MP_OKAY; } #endif diff --git a/libtommath/bn_mp_mod_d.c b/libtommath/bn_mp_mod_d.c index bf2ccaa..9a24e78 100644 --- a/libtommath/bn_mp_mod_d.c +++ b/libtommath/bn_mp_mod_d.c @@ -15,10 +15,9 @@ * Tom St Denis, tstdenis82@gmail.com, http://libtom.org */ -int -mp_mod_d (mp_int * a, mp_digit b, mp_digit * c) +int mp_mod_d(const mp_int *a, mp_digit b, mp_digit *c) { - return mp_div_d(a, b, NULL, c); + return mp_div_d(a, b, NULL, c); } #endif diff --git a/libtommath/bn_mp_montgomery_calc_normalization.c b/libtommath/bn_mp_montgomery_calc_normalization.c index 679a871..f2b0856 100644 --- a/libtommath/bn_mp_montgomery_calc_normalization.c +++ b/libtommath/bn_mp_montgomery_calc_normalization.c @@ -21,36 +21,36 @@ * The method is slightly modified to shift B unconditionally upto just under * the leading bit of b. This saves alot of multiple precision shifting. */ -int mp_montgomery_calc_normalization (mp_int * a, mp_int * b) +int mp_montgomery_calc_normalization(mp_int *a, const mp_int *b) { - int x, bits, res; + int x, bits, res; - /* how many bits of last digit does b use */ - bits = mp_count_bits (b) % DIGIT_BIT; + /* how many bits of last digit does b use */ + bits = mp_count_bits(b) % DIGIT_BIT; - if (b->used > 1) { - if ((res = mp_2expt (a, ((b->used - 1) * DIGIT_BIT) + bits - 1)) != MP_OKAY) { - return res; - } - } else { - mp_set(a, 1); - bits = 1; - } + if (b->used > 1) { + if ((res = mp_2expt(a, ((b->used - 1) * DIGIT_BIT) + bits - 1)) != MP_OKAY) { + return res; + } + } else { + mp_set(a, 1); + bits = 1; + } - /* now compute C = A * B mod b */ - for (x = bits - 1; x < (int)DIGIT_BIT; x++) { - if ((res = mp_mul_2 (a, a)) != MP_OKAY) { - return res; - } - if (mp_cmp_mag (a, b) != MP_LT) { - if ((res = s_mp_sub (a, b, a)) != MP_OKAY) { - return res; + /* now compute C = A * B mod b */ + for (x = bits - 1; x < (int)DIGIT_BIT; x++) { + if ((res = mp_mul_2(a, a)) != MP_OKAY) { + return res; + } + if (mp_cmp_mag(a, b) != MP_LT) { + if ((res = s_mp_sub(a, b, a)) != MP_OKAY) { + return res; + } } - } - } + } - return MP_OKAY; + return MP_OKAY; } #endif diff --git a/libtommath/bn_mp_montgomery_reduce.c b/libtommath/bn_mp_montgomery_reduce.c index 05e8bfa..a38173e 100644 --- a/libtommath/bn_mp_montgomery_reduce.c +++ b/libtommath/bn_mp_montgomery_reduce.c @@ -16,100 +16,99 @@ */ /* computes xR**-1 == x (mod N) via Montgomery Reduction */ -int -mp_montgomery_reduce (mp_int * x, mp_int * n, mp_digit rho) +int mp_montgomery_reduce(mp_int *x, const mp_int *n, mp_digit rho) { - int ix, res, digs; - mp_digit mu; - - /* can the fast reduction [comba] method be used? - * - * Note that unlike in mul you're safely allowed *less* - * than the available columns [255 per default] since carries - * are fixed up in the inner loop. - */ - digs = (n->used * 2) + 1; - if ((digs < MP_WARRAY) && - (n->used < - (1 << ((CHAR_BIT * sizeof(mp_word)) - (2 * DIGIT_BIT))))) { - return fast_mp_montgomery_reduce (x, n, rho); - } - - /* grow the input as required */ - if (x->alloc < digs) { - if ((res = mp_grow (x, digs)) != MP_OKAY) { - return res; - } - } - x->used = digs; - - for (ix = 0; ix < n->used; ix++) { - /* mu = ai * rho mod b - * - * The value of rho must be precalculated via - * montgomery_setup() such that - * it equals -1/n0 mod b this allows the - * following inner loop to reduce the - * input one digit at a time - */ - mu = (mp_digit) (((mp_word)x->dp[ix] * (mp_word)rho) & MP_MASK); - - /* a = a + mu * m * b**i */ - { - int iy; - mp_digit *tmpn, *tmpx, u; - mp_word r; - - /* alias for digits of the modulus */ - tmpn = n->dp; - - /* alias for the digits of x [the input] */ - tmpx = x->dp + ix; - - /* set the carry to zero */ - u = 0; - - /* Multiply and add in place */ - for (iy = 0; iy < n->used; iy++) { - /* compute product and sum */ - r = ((mp_word)mu * (mp_word)*tmpn++) + - (mp_word) u + (mp_word) *tmpx; - - /* get carry */ - u = (mp_digit)(r >> ((mp_word) DIGIT_BIT)); - - /* fix digit */ - *tmpx++ = (mp_digit)(r & ((mp_word) MP_MASK)); + int ix, res, digs; + mp_digit mu; + + /* can the fast reduction [comba] method be used? + * + * Note that unlike in mul you're safely allowed *less* + * than the available columns [255 per default] since carries + * are fixed up in the inner loop. + */ + digs = (n->used * 2) + 1; + if ((digs < MP_WARRAY) && + (n->used < + (1 << ((CHAR_BIT * sizeof(mp_word)) - (2 * DIGIT_BIT))))) { + return fast_mp_montgomery_reduce(x, n, rho); + } + + /* grow the input as required */ + if (x->alloc < digs) { + if ((res = mp_grow(x, digs)) != MP_OKAY) { + return res; } - /* At this point the ix'th digit of x should be zero */ + } + x->used = digs; + + for (ix = 0; ix < n->used; ix++) { + /* mu = ai * rho mod b + * + * The value of rho must be precalculated via + * montgomery_setup() such that + * it equals -1/n0 mod b this allows the + * following inner loop to reduce the + * input one digit at a time + */ + mu = (mp_digit)(((mp_word)x->dp[ix] * (mp_word)rho) & MP_MASK); + + /* a = a + mu * m * b**i */ + { + int iy; + mp_digit *tmpn, *tmpx, u; + mp_word r; + + /* alias for digits of the modulus */ + tmpn = n->dp; + + /* alias for the digits of x [the input] */ + tmpx = x->dp + ix; + + /* set the carry to zero */ + u = 0; + + /* Multiply and add in place */ + for (iy = 0; iy < n->used; iy++) { + /* compute product and sum */ + r = ((mp_word)mu * (mp_word)*tmpn++) + + (mp_word) u + (mp_word) *tmpx; + + /* get carry */ + u = (mp_digit)(r >> ((mp_word) DIGIT_BIT)); + + /* fix digit */ + *tmpx++ = (mp_digit)(r & ((mp_word) MP_MASK)); + } + /* At this point the ix'th digit of x should be zero */ + + + /* propagate carries upwards as required*/ + while (u != 0) { + *tmpx += u; + u = *tmpx >> DIGIT_BIT; + *tmpx++ &= MP_MASK; + } + } + } + /* at this point the n.used'th least + * significant digits of x are all zero + * which means we can shift x to the + * right by n.used digits and the + * residue is unchanged. + */ - /* propagate carries upwards as required*/ - while (u != 0) { - *tmpx += u; - u = *tmpx >> DIGIT_BIT; - *tmpx++ &= MP_MASK; - } - } - } - - /* at this point the n.used'th least - * significant digits of x are all zero - * which means we can shift x to the - * right by n.used digits and the - * residue is unchanged. - */ - - /* x = x/b**n.used */ - mp_clamp(x); - mp_rshd (x, n->used); - - /* if x >= n then x = x - n */ - if (mp_cmp_mag (x, n) != MP_LT) { - return s_mp_sub (x, n, x); - } - - return MP_OKAY; + /* x = x/b**n.used */ + mp_clamp(x); + mp_rshd(x, n->used); + + /* if x >= n then x = x - n */ + if (mp_cmp_mag(x, n) != MP_LT) { + return s_mp_sub(x, n, x); + } + + return MP_OKAY; } #endif diff --git a/libtommath/bn_mp_montgomery_setup.c b/libtommath/bn_mp_montgomery_setup.c index 1c17445..685ba51 100644 --- a/libtommath/bn_mp_montgomery_setup.c +++ b/libtommath/bn_mp_montgomery_setup.c @@ -16,41 +16,40 @@ */ /* setups the montgomery reduction stuff */ -int -mp_montgomery_setup (mp_int * n, mp_digit * rho) +int mp_montgomery_setup(const mp_int *n, mp_digit *rho) { - mp_digit x, b; + mp_digit x, b; -/* fast inversion mod 2**k - * - * Based on the fact that - * - * XA = 1 (mod 2**n) => (X(2-XA)) A = 1 (mod 2**2n) - * => 2*X*A - X*X*A*A = 1 - * => 2*(1) - (1) = 1 - */ - b = n->dp[0]; + /* fast inversion mod 2**k + * + * Based on the fact that + * + * XA = 1 (mod 2**n) => (X(2-XA)) A = 1 (mod 2**2n) + * => 2*X*A - X*X*A*A = 1 + * => 2*(1) - (1) = 1 + */ + b = n->dp[0]; - if ((b & 1) == 0) { - return MP_VAL; - } + if ((b & 1) == 0) { + return MP_VAL; + } - x = (((b + 2) & 4) << 1) + b; /* here x*a==1 mod 2**4 */ - x *= 2 - (b * x); /* here x*a==1 mod 2**8 */ + x = (((b + 2) & 4) << 1) + b; /* here x*a==1 mod 2**4 */ + x *= 2 - (b * x); /* here x*a==1 mod 2**8 */ #if !defined(MP_8BIT) - x *= 2 - (b * x); /* here x*a==1 mod 2**16 */ + x *= 2 - (b * x); /* here x*a==1 mod 2**16 */ #endif #if defined(MP_64BIT) || !(defined(MP_8BIT) || defined(MP_16BIT)) - x *= 2 - (b * x); /* here x*a==1 mod 2**32 */ + x *= 2 - (b * x); /* here x*a==1 mod 2**32 */ #endif #ifdef MP_64BIT - x *= 2 - (b * x); /* here x*a==1 mod 2**64 */ + x *= 2 - (b * x); /* here x*a==1 mod 2**64 */ #endif - /* rho = -1/m mod b */ - *rho = (mp_digit)(((mp_word)1 << ((mp_word) DIGIT_BIT)) - x) & MP_MASK; + /* rho = -1/m mod b */ + *rho = (mp_digit)(((mp_word)1 << ((mp_word) DIGIT_BIT)) - x) & MP_MASK; - return MP_OKAY; + return MP_OKAY; } #endif diff --git a/libtommath/bn_mp_mul.c b/libtommath/bn_mp_mul.c index cc3b9c8..71d523d 100644 --- a/libtommath/bn_mp_mul.c +++ b/libtommath/bn_mp_mul.c @@ -16,49 +16,49 @@ */ /* high level multiplication (handles sign) */ -int mp_mul (mp_int * a, mp_int * b, mp_int * c) +int mp_mul(const mp_int *a, const mp_int *b, mp_int *c) { - int res, neg; - neg = (a->sign == b->sign) ? MP_ZPOS : MP_NEG; + int res, neg; + neg = (a->sign == b->sign) ? MP_ZPOS : MP_NEG; - /* use Toom-Cook? */ + /* use Toom-Cook? */ #ifdef BN_MP_TOOM_MUL_C - if (MIN (a->used, b->used) >= TOOM_MUL_CUTOFF) { - res = mp_toom_mul(a, b, c); - } else + if (MIN(a->used, b->used) >= TOOM_MUL_CUTOFF) { + res = mp_toom_mul(a, b, c); + } else #endif #ifdef BN_MP_KARATSUBA_MUL_C - /* use Karatsuba? */ - if (MIN (a->used, b->used) >= KARATSUBA_MUL_CUTOFF) { - res = mp_karatsuba_mul (a, b, c); - } else + /* use Karatsuba? */ + if (MIN(a->used, b->used) >= KARATSUBA_MUL_CUTOFF) { + res = mp_karatsuba_mul(a, b, c); + } else #endif - { - /* can we use the fast multiplier? - * - * The fast multiplier can be used if the output will - * have less than MP_WARRAY digits and the number of - * digits won't affect carry propagation - */ - int digs = a->used + b->used + 1; + { + /* can we use the fast multiplier? + * + * The fast multiplier can be used if the output will + * have less than MP_WARRAY digits and the number of + * digits won't affect carry propagation + */ + int digs = a->used + b->used + 1; #ifdef BN_FAST_S_MP_MUL_DIGS_C - if ((digs < MP_WARRAY) && - (MIN(a->used, b->used) <= - (1 << ((CHAR_BIT * sizeof(mp_word)) - (2 * DIGIT_BIT))))) { - res = fast_s_mp_mul_digs (a, b, c, digs); - } else + if ((digs < MP_WARRAY) && + (MIN(a->used, b->used) <= + (1 << ((CHAR_BIT * sizeof(mp_word)) - (2 * DIGIT_BIT))))) { + res = fast_s_mp_mul_digs(a, b, c, digs); + } else #endif - { + { #ifdef BN_S_MP_MUL_DIGS_C - res = s_mp_mul (a, b, c); /* uses s_mp_mul_digs */ + res = s_mp_mul(a, b, c); /* uses s_mp_mul_digs */ #else - res = MP_VAL; + res = MP_VAL; #endif - } - } - c->sign = (c->used > 0) ? neg : MP_ZPOS; - return res; + } + } + c->sign = (c->used > 0) ? neg : MP_ZPOS; + return res; } #endif diff --git a/libtommath/bn_mp_mul_2.c b/libtommath/bn_mp_mul_2.c index d22fd89..1744681 100644 --- a/libtommath/bn_mp_mul_2.c +++ b/libtommath/bn_mp_mul_2.c @@ -16,64 +16,64 @@ */ /* b = a*2 */ -int mp_mul_2(mp_int * a, mp_int * b) +int mp_mul_2(const mp_int *a, mp_int *b) { - int x, res, oldused; + int x, res, oldused; - /* grow to accomodate result */ - if (b->alloc < (a->used + 1)) { - if ((res = mp_grow (b, a->used + 1)) != MP_OKAY) { - return res; - } - } + /* grow to accomodate result */ + if (b->alloc < (a->used + 1)) { + if ((res = mp_grow(b, a->used + 1)) != MP_OKAY) { + return res; + } + } - oldused = b->used; - b->used = a->used; + oldused = b->used; + b->used = a->used; - { - mp_digit r, rr, *tmpa, *tmpb; + { + mp_digit r, rr, *tmpa, *tmpb; - /* alias for source */ - tmpa = a->dp; - - /* alias for dest */ - tmpb = b->dp; + /* alias for source */ + tmpa = a->dp; - /* carry */ - r = 0; - for (x = 0; x < a->used; x++) { - - /* get what will be the *next* carry bit from the - * MSB of the current digit - */ - rr = *tmpa >> ((mp_digit)(DIGIT_BIT - 1)); - - /* now shift up this digit, add in the carry [from the previous] */ - *tmpb++ = ((*tmpa++ << ((mp_digit)1)) | r) & MP_MASK; - - /* copy the carry that would be from the source - * digit into the next iteration - */ - r = rr; - } + /* alias for dest */ + tmpb = b->dp; + + /* carry */ + r = 0; + for (x = 0; x < a->used; x++) { + + /* get what will be the *next* carry bit from the + * MSB of the current digit + */ + rr = *tmpa >> ((mp_digit)(DIGIT_BIT - 1)); - /* new leading digit? */ - if (r != 0) { - /* add a MSB which is always 1 at this point */ - *tmpb = 1; - ++(b->used); - } + /* now shift up this digit, add in the carry [from the previous] */ + *tmpb++ = ((*tmpa++ << ((mp_digit)1)) | r) & MP_MASK; - /* now zero any excess digits on the destination - * that we didn't write to - */ - tmpb = b->dp + b->used; - for (x = b->used; x < oldused; x++) { - *tmpb++ = 0; - } - } - b->sign = a->sign; - return MP_OKAY; + /* copy the carry that would be from the source + * digit into the next iteration + */ + r = rr; + } + + /* new leading digit? */ + if (r != 0) { + /* add a MSB which is always 1 at this point */ + *tmpb = 1; + ++(b->used); + } + + /* now zero any excess digits on the destination + * that we didn't write to + */ + tmpb = b->dp + b->used; + for (x = b->used; x < oldused; x++) { + *tmpb++ = 0; + } + } + b->sign = a->sign; + return MP_OKAY; } #endif diff --git a/libtommath/bn_mp_mul_2d.c b/libtommath/bn_mp_mul_2d.c index e167fc1..4938e57 100644 --- a/libtommath/bn_mp_mul_2d.c +++ b/libtommath/bn_mp_mul_2d.c @@ -16,67 +16,67 @@ */ /* shift left by a certain bit count */ -int mp_mul_2d (const mp_int * a, int b, mp_int * c) +int mp_mul_2d(const mp_int *a, int b, mp_int *c) { - mp_digit d; - int res; + mp_digit d; + int res; - /* copy */ - if (a != c) { - if ((res = mp_copy (a, c)) != MP_OKAY) { - return res; - } - } + /* copy */ + if (a != c) { + if ((res = mp_copy(a, c)) != MP_OKAY) { + return res; + } + } - if (c->alloc < (int)(c->used + (b / DIGIT_BIT) + 1)) { - if ((res = mp_grow (c, c->used + (b / DIGIT_BIT) + 1)) != MP_OKAY) { - return res; - } - } + if (c->alloc < (int)(c->used + (b / DIGIT_BIT) + 1)) { + if ((res = mp_grow(c, c->used + (b / DIGIT_BIT) + 1)) != MP_OKAY) { + return res; + } + } - /* shift by as many digits in the bit count */ - if (b >= (int)DIGIT_BIT) { - if ((res = mp_lshd (c, b / DIGIT_BIT)) != MP_OKAY) { - return res; - } - } + /* shift by as many digits in the bit count */ + if (b >= (int)DIGIT_BIT) { + if ((res = mp_lshd(c, b / DIGIT_BIT)) != MP_OKAY) { + return res; + } + } - /* shift any bit count < DIGIT_BIT */ - d = (mp_digit) (b % DIGIT_BIT); - if (d != 0) { - mp_digit *tmpc, shift, mask, r, rr; - int x; + /* shift any bit count < DIGIT_BIT */ + d = (mp_digit)(b % DIGIT_BIT); + if (d != 0) { + mp_digit *tmpc, shift, mask, r, rr; + int x; - /* bitmask for carries */ - mask = (((mp_digit)1) << d) - 1; + /* bitmask for carries */ + mask = (((mp_digit)1) << d) - 1; - /* shift for msbs */ - shift = DIGIT_BIT - d; + /* shift for msbs */ + shift = DIGIT_BIT - d; - /* alias */ - tmpc = c->dp; + /* alias */ + tmpc = c->dp; - /* carry */ - r = 0; - for (x = 0; x < c->used; x++) { - /* get the higher bits of the current word */ - rr = (*tmpc >> shift) & mask; + /* carry */ + r = 0; + for (x = 0; x < c->used; x++) { + /* get the higher bits of the current word */ + rr = (*tmpc >> shift) & mask; - /* shift the current word and OR in the carry */ - *tmpc = ((*tmpc << d) | r) & MP_MASK; - ++tmpc; + /* shift the current word and OR in the carry */ + *tmpc = ((*tmpc << d) | r) & MP_MASK; + ++tmpc; - /* set the carry to the carry bits of the current word */ - r = rr; - } - - /* set final carry */ - if (r != 0) { - c->dp[(c->used)++] = r; - } - } - mp_clamp (c); - return MP_OKAY; + /* set the carry to the carry bits of the current word */ + r = rr; + } + + /* set final carry */ + if (r != 0) { + c->dp[(c->used)++] = r; + } + } + mp_clamp(c); + return MP_OKAY; } #endif diff --git a/libtommath/bn_mp_mul_d.c b/libtommath/bn_mp_mul_d.c index 6954ed3..0f6d03e 100644 --- a/libtommath/bn_mp_mul_d.c +++ b/libtommath/bn_mp_mul_d.c @@ -16,61 +16,60 @@ */ /* multiply by a digit */ -int -mp_mul_d (mp_int * a, mp_digit b, mp_int * c) +int mp_mul_d(const mp_int *a, mp_digit b, mp_int *c) { - mp_digit u, *tmpa, *tmpc; - mp_word r; - int ix, res, olduse; + mp_digit u, *tmpa, *tmpc; + mp_word r; + int ix, res, olduse; - /* make sure c is big enough to hold a*b */ - if (c->alloc < (a->used + 1)) { - if ((res = mp_grow (c, a->used + 1)) != MP_OKAY) { - return res; - } - } + /* make sure c is big enough to hold a*b */ + if (c->alloc < (a->used + 1)) { + if ((res = mp_grow(c, a->used + 1)) != MP_OKAY) { + return res; + } + } - /* get the original destinations used count */ - olduse = c->used; + /* get the original destinations used count */ + olduse = c->used; - /* set the sign */ - c->sign = a->sign; + /* set the sign */ + c->sign = a->sign; - /* alias for a->dp [source] */ - tmpa = a->dp; + /* alias for a->dp [source] */ + tmpa = a->dp; - /* alias for c->dp [dest] */ - tmpc = c->dp; + /* alias for c->dp [dest] */ + tmpc = c->dp; - /* zero carry */ - u = 0; + /* zero carry */ + u = 0; - /* compute columns */ - for (ix = 0; ix < a->used; ix++) { - /* compute product and carry sum for this term */ - r = (mp_word)u + ((mp_word)*tmpa++ * (mp_word)b); + /* compute columns */ + for (ix = 0; ix < a->used; ix++) { + /* compute product and carry sum for this term */ + r = (mp_word)u + ((mp_word)*tmpa++ * (mp_word)b); - /* mask off higher bits to get a single digit */ - *tmpc++ = (mp_digit) (r & ((mp_word) MP_MASK)); + /* mask off higher bits to get a single digit */ + *tmpc++ = (mp_digit)(r & ((mp_word)MP_MASK)); - /* send carry into next iteration */ - u = (mp_digit) (r >> ((mp_word) DIGIT_BIT)); - } + /* send carry into next iteration */ + u = (mp_digit)(r >> ((mp_word)DIGIT_BIT)); + } - /* store final carry [if any] and increment ix offset */ - *tmpc++ = u; - ++ix; + /* store final carry [if any] and increment ix offset */ + *tmpc++ = u; + ++ix; - /* now zero digits above the top */ - while (ix++ < olduse) { - *tmpc++ = 0; - } + /* now zero digits above the top */ + while (ix++ < olduse) { + *tmpc++ = 0; + } - /* set used count */ - c->used = a->used + 1; - mp_clamp(c); + /* set used count */ + c->used = a->used + 1; + mp_clamp(c); - return MP_OKAY; + return MP_OKAY; } #endif diff --git a/libtommath/bn_mp_mulmod.c b/libtommath/bn_mp_mulmod.c index d7a4d3c..aeee4ee 100644 --- a/libtommath/bn_mp_mulmod.c +++ b/libtommath/bn_mp_mulmod.c @@ -16,22 +16,22 @@ */ /* d = a * b (mod c) */ -int mp_mulmod (mp_int * a, mp_int * b, mp_int * c, mp_int * d) +int mp_mulmod(const mp_int *a, const mp_int *b, const mp_int *c, mp_int *d) { - int res; - mp_int t; + int res; + mp_int t; - if ((res = mp_init_size (&t, c->used)) != MP_OKAY) { - return res; - } + if ((res = mp_init_size(&t, c->used)) != MP_OKAY) { + return res; + } - if ((res = mp_mul (a, b, &t)) != MP_OKAY) { - mp_clear (&t); - return res; - } - res = mp_mod (&t, c, d); - mp_clear (&t); - return res; + if ((res = mp_mul(a, b, &t)) != MP_OKAY) { + mp_clear(&t); + return res; + } + res = mp_mod(&t, c, d); + mp_clear(&t); + return res; } #endif diff --git a/libtommath/bn_mp_n_root.c b/libtommath/bn_mp_n_root.c index f717f17..a09804f 100644 --- a/libtommath/bn_mp_n_root.c +++ b/libtommath/bn_mp_n_root.c @@ -18,9 +18,9 @@ /* wrapper function for mp_n_root_ex() * computes c = (a)**(1/b) such that (c)**b <= a and (c+1)**b > a */ -int mp_n_root (mp_int * a, mp_digit b, mp_int * c) +int mp_n_root(const mp_int *a, mp_digit b, mp_int *c) { - return mp_n_root_ex(a, b, c, 0); + return mp_n_root_ex(a, b, c, 0); } #endif diff --git a/libtommath/bn_mp_n_root_ex.c b/libtommath/bn_mp_n_root_ex.c index 079b4f3..ca50649 100644 --- a/libtommath/bn_mp_n_root_ex.c +++ b/libtommath/bn_mp_n_root_ex.c @@ -25,105 +25,105 @@ * each step involves a fair bit. This is not meant to * find huge roots [square and cube, etc]. */ -int mp_n_root_ex (mp_int * a, mp_digit b, mp_int * c, int fast) +int mp_n_root_ex(const mp_int *a, mp_digit b, mp_int *c, int fast) { - mp_int t1, t2, t3; - int res, neg; - - /* input must be positive if b is even */ - if (((b & 1) == 0) && (a->sign == MP_NEG)) { - return MP_VAL; - } - - if ((res = mp_init (&t1)) != MP_OKAY) { - return res; - } - - if ((res = mp_init (&t2)) != MP_OKAY) { - goto LBL_T1; - } - - if ((res = mp_init (&t3)) != MP_OKAY) { - goto LBL_T2; - } - - /* if a is negative fudge the sign but keep track */ - neg = a->sign; - a->sign = MP_ZPOS; - - /* t2 = 2 */ - mp_set (&t2, 2); - - do { - /* t1 = t2 */ - if ((res = mp_copy (&t2, &t1)) != MP_OKAY) { - goto LBL_T3; - } - - /* t2 = t1 - ((t1**b - a) / (b * t1**(b-1))) */ - - /* t3 = t1**(b-1) */ - if ((res = mp_expt_d_ex (&t1, b - 1, &t3, fast)) != MP_OKAY) { - goto LBL_T3; - } - - /* numerator */ - /* t2 = t1**b */ - if ((res = mp_mul (&t3, &t1, &t2)) != MP_OKAY) { - goto LBL_T3; - } - - /* t2 = t1**b - a */ - if ((res = mp_sub (&t2, a, &t2)) != MP_OKAY) { - goto LBL_T3; - } - - /* denominator */ - /* t3 = t1**(b-1) * b */ - if ((res = mp_mul_d (&t3, b, &t3)) != MP_OKAY) { - goto LBL_T3; - } - - /* t3 = (t1**b - a)/(b * t1**(b-1)) */ - if ((res = mp_div (&t2, &t3, &t3, NULL)) != MP_OKAY) { - goto LBL_T3; - } - - if ((res = mp_sub (&t1, &t3, &t2)) != MP_OKAY) { - goto LBL_T3; - } - } while (mp_cmp (&t1, &t2) != MP_EQ); - - /* result can be off by a few so check */ - for (;;) { - if ((res = mp_expt_d_ex (&t1, b, &t2, fast)) != MP_OKAY) { - goto LBL_T3; - } - - if (mp_cmp (&t2, a) == MP_GT) { - if ((res = mp_sub_d (&t1, 1, &t1)) != MP_OKAY) { + mp_int t1, t2, t3, a_; + int res; + + /* input must be positive if b is even */ + if (((b & 1) == 0) && (a->sign == MP_NEG)) { + return MP_VAL; + } + + if ((res = mp_init(&t1)) != MP_OKAY) { + return res; + } + + if ((res = mp_init(&t2)) != MP_OKAY) { + goto LBL_T1; + } + + if ((res = mp_init(&t3)) != MP_OKAY) { + goto LBL_T2; + } + + /* if a is negative fudge the sign but keep track */ + a_ = *a; + a_.sign = MP_ZPOS; + + /* t2 = 2 */ + mp_set(&t2, 2); + + do { + /* t1 = t2 */ + if ((res = mp_copy(&t2, &t1)) != MP_OKAY) { + goto LBL_T3; + } + + /* t2 = t1 - ((t1**b - a) / (b * t1**(b-1))) */ + + /* t3 = t1**(b-1) */ + if ((res = mp_expt_d_ex(&t1, b - 1, &t3, fast)) != MP_OKAY) { + goto LBL_T3; + } + + /* numerator */ + /* t2 = t1**b */ + if ((res = mp_mul(&t3, &t1, &t2)) != MP_OKAY) { + goto LBL_T3; + } + + /* t2 = t1**b - a */ + if ((res = mp_sub(&t2, &a_, &t2)) != MP_OKAY) { + goto LBL_T3; + } + + /* denominator */ + /* t3 = t1**(b-1) * b */ + if ((res = mp_mul_d(&t3, b, &t3)) != MP_OKAY) { + goto LBL_T3; + } + + /* t3 = (t1**b - a)/(b * t1**(b-1)) */ + if ((res = mp_div(&t2, &t3, &t3, NULL)) != MP_OKAY) { goto LBL_T3; } - } else { - break; - } - } - /* reset the sign of a first */ - a->sign = neg; + if ((res = mp_sub(&t1, &t3, &t2)) != MP_OKAY) { + goto LBL_T3; + } + } while (mp_cmp(&t1, &t2) != MP_EQ); + + /* result can be off by a few so check */ + for (;;) { + if ((res = mp_expt_d_ex(&t1, b, &t2, fast)) != MP_OKAY) { + goto LBL_T3; + } + + if (mp_cmp(&t2, &a_) == MP_GT) { + if ((res = mp_sub_d(&t1, 1, &t1)) != MP_OKAY) { + goto LBL_T3; + } + } else { + break; + } + } - /* set the result */ - mp_exch (&t1, c); + /* set the result */ + mp_exch(&t1, c); - /* set the sign of the result */ - c->sign = neg; + /* set the sign of the result */ + c->sign = a->sign; - res = MP_OKAY; + res = MP_OKAY; -LBL_T3:mp_clear (&t3); -LBL_T2:mp_clear (&t2); -LBL_T1:mp_clear (&t1); - return res; +LBL_T3: + mp_clear(&t3); +LBL_T2: + mp_clear(&t2); +LBL_T1: + mp_clear(&t1); + return res; } #endif diff --git a/libtommath/bn_mp_neg.c b/libtommath/bn_mp_neg.c index da50e28..75f8bbd 100644 --- a/libtommath/bn_mp_neg.c +++ b/libtommath/bn_mp_neg.c @@ -16,22 +16,22 @@ */ /* b = -a */ -int mp_neg (const mp_int * a, mp_int * b) +int mp_neg(const mp_int *a, mp_int *b) { - int res; - if (a != b) { - if ((res = mp_copy (a, b)) != MP_OKAY) { - return res; - } - } + int res; + if (a != b) { + if ((res = mp_copy(a, b)) != MP_OKAY) { + return res; + } + } - if (mp_iszero(b) != MP_YES) { - b->sign = (a->sign == MP_ZPOS) ? MP_NEG : MP_ZPOS; - } else { - b->sign = MP_ZPOS; - } + if (mp_iszero(b) != MP_YES) { + b->sign = (a->sign == MP_ZPOS) ? MP_NEG : MP_ZPOS; + } else { + b->sign = MP_ZPOS; + } - return MP_OKAY; + return MP_OKAY; } #endif diff --git a/libtommath/bn_mp_or.c b/libtommath/bn_mp_or.c index b9775ce..f411509 100644 --- a/libtommath/bn_mp_or.c +++ b/libtommath/bn_mp_or.c @@ -16,32 +16,33 @@ */ /* OR two ints together */ -int mp_or (mp_int * a, mp_int * b, mp_int * c) +int mp_or(const mp_int *a, const mp_int *b, mp_int *c) { - int res, ix, px; - mp_int t, *x; + int res, ix, px; + mp_int t; + const mp_int *x; - if (a->used > b->used) { - if ((res = mp_init_copy (&t, a)) != MP_OKAY) { - return res; - } - px = b->used; - x = b; - } else { - if ((res = mp_init_copy (&t, b)) != MP_OKAY) { - return res; - } - px = a->used; - x = a; - } + if (a->used > b->used) { + if ((res = mp_init_copy(&t, a)) != MP_OKAY) { + return res; + } + px = b->used; + x = b; + } else { + if ((res = mp_init_copy(&t, b)) != MP_OKAY) { + return res; + } + px = a->used; + x = a; + } - for (ix = 0; ix < px; ix++) { - t.dp[ix] |= x->dp[ix]; - } - mp_clamp (&t); - mp_exch (c, &t); - mp_clear (&t); - return MP_OKAY; + for (ix = 0; ix < px; ix++) { + t.dp[ix] |= x->dp[ix]; + } + mp_clamp(&t); + mp_exch(c, &t); + mp_clear(&t); + return MP_OKAY; } #endif diff --git a/libtommath/bn_mp_prime_fermat.c b/libtommath/bn_mp_prime_fermat.c index d99feeb..9c15435 100644 --- a/libtommath/bn_mp_prime_fermat.c +++ b/libtommath/bn_mp_prime_fermat.c @@ -16,44 +16,45 @@ */ /* performs one Fermat test. - * + * * If "a" were prime then b**a == b (mod a) since the order of * the multiplicative sub-group would be phi(a) = a-1. That means * it would be the same as b**(a mod (a-1)) == b**1 == b (mod a). * * Sets result to 1 if the congruence holds, or zero otherwise. */ -int mp_prime_fermat (mp_int * a, mp_int * b, int *result) +int mp_prime_fermat(const mp_int *a, const mp_int *b, int *result) { - mp_int t; - int err; - - /* default to composite */ - *result = MP_NO; - - /* ensure b > 1 */ - if (mp_cmp_d(b, 1) != MP_GT) { - return MP_VAL; - } - - /* init t */ - if ((err = mp_init (&t)) != MP_OKAY) { - return err; - } - - /* compute t = b**a mod a */ - if ((err = mp_exptmod (b, a, a, &t)) != MP_OKAY) { - goto LBL_T; - } - - /* is it equal to b? */ - if (mp_cmp (&t, b) == MP_EQ) { - *result = MP_YES; - } - - err = MP_OKAY; -LBL_T:mp_clear (&t); - return err; + mp_int t; + int err; + + /* default to composite */ + *result = MP_NO; + + /* ensure b > 1 */ + if (mp_cmp_d(b, 1) != MP_GT) { + return MP_VAL; + } + + /* init t */ + if ((err = mp_init(&t)) != MP_OKAY) { + return err; + } + + /* compute t = b**a mod a */ + if ((err = mp_exptmod(b, a, a, &t)) != MP_OKAY) { + goto LBL_T; + } + + /* is it equal to b? */ + if (mp_cmp(&t, b) == MP_EQ) { + *result = MP_YES; + } + + err = MP_OKAY; +LBL_T: + mp_clear(&t); + return err; } #endif diff --git a/libtommath/bn_mp_prime_is_divisible.c b/libtommath/bn_mp_prime_is_divisible.c index eea4a27..c1e1158 100644 --- a/libtommath/bn_mp_prime_is_divisible.c +++ b/libtommath/bn_mp_prime_is_divisible.c @@ -15,33 +15,33 @@ * Tom St Denis, tstdenis82@gmail.com, http://libtom.org */ -/* determines if an integers is divisible by one +/* determines if an integers is divisible by one * of the first PRIME_SIZE primes or not * * sets result to 0 if not, 1 if yes */ -int mp_prime_is_divisible (mp_int * a, int *result) +int mp_prime_is_divisible(const mp_int *a, int *result) { - int err, ix; - mp_digit res; + int err, ix; + mp_digit res; - /* default to not */ - *result = MP_NO; + /* default to not */ + *result = MP_NO; - for (ix = 0; ix < PRIME_SIZE; ix++) { - /* what is a mod LBL_prime_tab[ix] */ - if ((err = mp_mod_d (a, ltm_prime_tab[ix], &res)) != MP_OKAY) { - return err; - } + for (ix = 0; ix < PRIME_SIZE; ix++) { + /* what is a mod LBL_prime_tab[ix] */ + if ((err = mp_mod_d(a, ltm_prime_tab[ix], &res)) != MP_OKAY) { + return err; + } - /* is the residue zero? */ - if (res == 0) { - *result = MP_YES; - return MP_OKAY; - } - } + /* is the residue zero? */ + if (res == 0) { + *result = MP_YES; + return MP_OKAY; + } + } - return MP_OKAY; + return MP_OKAY; } #endif diff --git a/libtommath/bn_mp_prime_is_prime.c b/libtommath/bn_mp_prime_is_prime.c index 3eda4fd..e97712d 100644 --- a/libtommath/bn_mp_prime_is_prime.c +++ b/libtommath/bn_mp_prime_is_prime.c @@ -22,59 +22,60 @@ * * Sets result to 1 if probably prime, 0 otherwise */ -int mp_prime_is_prime (mp_int * a, int t, int *result) +int mp_prime_is_prime(const mp_int *a, int t, int *result) { - mp_int b; - int ix, err, res; + mp_int b; + int ix, err, res; - /* default to no */ - *result = MP_NO; + /* default to no */ + *result = MP_NO; - /* valid value of t? */ - if ((t <= 0) || (t > PRIME_SIZE)) { - return MP_VAL; - } + /* valid value of t? */ + if ((t <= 0) || (t > PRIME_SIZE)) { + return MP_VAL; + } - /* is the input equal to one of the primes in the table? */ - for (ix = 0; ix < PRIME_SIZE; ix++) { + /* is the input equal to one of the primes in the table? */ + for (ix = 0; ix < PRIME_SIZE; ix++) { if (mp_cmp_d(a, ltm_prime_tab[ix]) == MP_EQ) { *result = 1; return MP_OKAY; } - } + } - /* first perform trial division */ - if ((err = mp_prime_is_divisible (a, &res)) != MP_OKAY) { - return err; - } + /* first perform trial division */ + if ((err = mp_prime_is_divisible(a, &res)) != MP_OKAY) { + return err; + } - /* return if it was trivially divisible */ - if (res == MP_YES) { - return MP_OKAY; - } + /* return if it was trivially divisible */ + if (res == MP_YES) { + return MP_OKAY; + } - /* now perform the miller-rabin rounds */ - if ((err = mp_init (&b)) != MP_OKAY) { - return err; - } + /* now perform the miller-rabin rounds */ + if ((err = mp_init(&b)) != MP_OKAY) { + return err; + } - for (ix = 0; ix < t; ix++) { - /* set the prime */ - mp_set (&b, ltm_prime_tab[ix]); + for (ix = 0; ix < t; ix++) { + /* set the prime */ + mp_set(&b, ltm_prime_tab[ix]); - if ((err = mp_prime_miller_rabin (a, &b, &res)) != MP_OKAY) { - goto LBL_B; - } + if ((err = mp_prime_miller_rabin(a, &b, &res)) != MP_OKAY) { + goto LBL_B; + } - if (res == MP_NO) { - goto LBL_B; - } - } + if (res == MP_NO) { + goto LBL_B; + } + } - /* passed the test */ - *result = MP_YES; -LBL_B:mp_clear (&b); - return err; + /* passed the test */ + *result = MP_YES; +LBL_B: + mp_clear(&b); + return err; } #endif diff --git a/libtommath/bn_mp_prime_miller_rabin.c b/libtommath/bn_mp_prime_miller_rabin.c index 7de0634..5de5f05 100644 --- a/libtommath/bn_mp_prime_miller_rabin.c +++ b/libtommath/bn_mp_prime_miller_rabin.c @@ -15,86 +15,89 @@ * Tom St Denis, tstdenis82@gmail.com, http://libtom.org */ -/* Miller-Rabin test of "a" to the base of "b" as described in +/* Miller-Rabin test of "a" to the base of "b" as described in * HAC pp. 139 Algorithm 4.24 * * Sets result to 0 if definitely composite or 1 if probably prime. - * Randomly the chance of error is no more than 1/4 and often + * Randomly the chance of error is no more than 1/4 and often * very much lower. */ -int mp_prime_miller_rabin (mp_int * a, mp_int * b, int *result) +int mp_prime_miller_rabin(const mp_int *a, const mp_int *b, int *result) { - mp_int n1, y, r; - int s, j, err; + mp_int n1, y, r; + int s, j, err; - /* default */ - *result = MP_NO; + /* default */ + *result = MP_NO; - /* ensure b > 1 */ - if (mp_cmp_d(b, 1) != MP_GT) { - return MP_VAL; - } + /* ensure b > 1 */ + if (mp_cmp_d(b, 1) != MP_GT) { + return MP_VAL; + } - /* get n1 = a - 1 */ - if ((err = mp_init_copy (&n1, a)) != MP_OKAY) { - return err; - } - if ((err = mp_sub_d (&n1, 1, &n1)) != MP_OKAY) { - goto LBL_N1; - } + /* get n1 = a - 1 */ + if ((err = mp_init_copy(&n1, a)) != MP_OKAY) { + return err; + } + if ((err = mp_sub_d(&n1, 1, &n1)) != MP_OKAY) { + goto LBL_N1; + } - /* set 2**s * r = n1 */ - if ((err = mp_init_copy (&r, &n1)) != MP_OKAY) { - goto LBL_N1; - } + /* set 2**s * r = n1 */ + if ((err = mp_init_copy(&r, &n1)) != MP_OKAY) { + goto LBL_N1; + } - /* count the number of least significant bits - * which are zero - */ - s = mp_cnt_lsb(&r); + /* count the number of least significant bits + * which are zero + */ + s = mp_cnt_lsb(&r); - /* now divide n - 1 by 2**s */ - if ((err = mp_div_2d (&r, s, &r, NULL)) != MP_OKAY) { - goto LBL_R; - } + /* now divide n - 1 by 2**s */ + if ((err = mp_div_2d(&r, s, &r, NULL)) != MP_OKAY) { + goto LBL_R; + } - /* compute y = b**r mod a */ - if ((err = mp_init (&y)) != MP_OKAY) { - goto LBL_R; - } - if ((err = mp_exptmod (b, &r, a, &y)) != MP_OKAY) { - goto LBL_Y; - } + /* compute y = b**r mod a */ + if ((err = mp_init(&y)) != MP_OKAY) { + goto LBL_R; + } + if ((err = mp_exptmod(b, &r, a, &y)) != MP_OKAY) { + goto LBL_Y; + } - /* if y != 1 and y != n1 do */ - if ((mp_cmp_d (&y, 1) != MP_EQ) && (mp_cmp (&y, &n1) != MP_EQ)) { - j = 1; - /* while j <= s-1 and y != n1 */ - while ((j <= (s - 1)) && (mp_cmp (&y, &n1) != MP_EQ)) { - if ((err = mp_sqrmod (&y, a, &y)) != MP_OKAY) { - goto LBL_Y; + /* if y != 1 and y != n1 do */ + if ((mp_cmp_d(&y, 1) != MP_EQ) && (mp_cmp(&y, &n1) != MP_EQ)) { + j = 1; + /* while j <= s-1 and y != n1 */ + while ((j <= (s - 1)) && (mp_cmp(&y, &n1) != MP_EQ)) { + if ((err = mp_sqrmod(&y, a, &y)) != MP_OKAY) { + goto LBL_Y; + } + + /* if y == 1 then composite */ + if (mp_cmp_d(&y, 1) == MP_EQ) { + goto LBL_Y; + } + + ++j; } - /* if y == 1 then composite */ - if (mp_cmp_d (&y, 1) == MP_EQ) { + /* if y != n1 then composite */ + if (mp_cmp(&y, &n1) != MP_EQ) { goto LBL_Y; } + } - ++j; - } - - /* if y != n1 then composite */ - if (mp_cmp (&y, &n1) != MP_EQ) { - goto LBL_Y; - } - } - - /* probably prime now */ - *result = MP_YES; -LBL_Y:mp_clear (&y); -LBL_R:mp_clear (&r); -LBL_N1:mp_clear (&n1); - return err; + /* probably prime now */ + *result = MP_YES; +LBL_Y: + mp_clear(&y); +LBL_R: + mp_clear(&r); +LBL_N1: + mp_clear(&n1); + return err; } #endif diff --git a/libtommath/bn_mp_prime_next_prime.c b/libtommath/bn_mp_prime_next_prime.c index 7a32d9b..f383cbb 100644 --- a/libtommath/bn_mp_prime_next_prime.c +++ b/libtommath/bn_mp_prime_next_prime.c @@ -38,28 +38,28 @@ int mp_prime_next_prime(mp_int *a, int t, int bbs_style) if (mp_cmp_d(a, ltm_prime_tab[PRIME_SIZE-1]) == MP_LT) { /* find which prime it is bigger than */ for (x = PRIME_SIZE - 2; x >= 0; x--) { - if (mp_cmp_d(a, ltm_prime_tab[x]) != MP_LT) { - if (bbs_style == 1) { - /* ok we found a prime smaller or - * equal [so the next is larger] - * - * however, the prime must be - * congruent to 3 mod 4 - */ - if ((ltm_prime_tab[x + 1] & 3) != 3) { - /* scan upwards for a prime congruent to 3 mod 4 */ - for (y = x + 1; y < PRIME_SIZE; y++) { - if ((ltm_prime_tab[y] & 3) == 3) { - mp_set(a, ltm_prime_tab[y]); - return MP_OKAY; - } - } - } - } else { - mp_set(a, ltm_prime_tab[x + 1]); - return MP_OKAY; - } - } + if (mp_cmp_d(a, ltm_prime_tab[x]) != MP_LT) { + if (bbs_style == 1) { + /* ok we found a prime smaller or + * equal [so the next is larger] + * + * however, the prime must be + * congruent to 3 mod 4 + */ + if ((ltm_prime_tab[x + 1] & 3) != 3) { + /* scan upwards for a prime congruent to 3 mod 4 */ + for (y = x + 1; y < PRIME_SIZE; y++) { + if ((ltm_prime_tab[y] & 3) == 3) { + mp_set(a, ltm_prime_tab[y]); + return MP_OKAY; + } + } + } + } else { + mp_set(a, ltm_prime_tab[x + 1]); + return MP_OKAY; + } + } } /* at this point a maybe 1 */ if (mp_cmp_d(a, 1) == MP_EQ) { @@ -81,7 +81,9 @@ int mp_prime_next_prime(mp_int *a, int t, int bbs_style) if (bbs_style == 1) { /* if a mod 4 != 3 subtract the correct value to make it so */ if ((a->dp[0] & 3) != 3) { - if ((err = mp_sub_d(a, (a->dp[0] & 3) + 1, a)) != MP_OKAY) { return err; }; + if ((err = mp_sub_d(a, (a->dp[0] & 3) + 1, a)) != MP_OKAY) { + return err; + }; } } else { if (mp_iseven(a) == MP_YES) { @@ -116,18 +118,18 @@ int mp_prime_next_prime(mp_int *a, int t, int bbs_style) /* compute the new residue without using division */ for (x = 1; x < PRIME_SIZE; x++) { - /* add the step to each residue */ - res_tab[x] += kstep; - - /* subtract the modulus [instead of using division] */ - if (res_tab[x] >= ltm_prime_tab[x]) { - res_tab[x] -= ltm_prime_tab[x]; - } - - /* set flag if zero */ - if (res_tab[x] == 0) { - y = 1; - } + /* add the step to each residue */ + res_tab[x] += kstep; + + /* subtract the modulus [instead of using division] */ + if (res_tab[x] >= ltm_prime_tab[x]) { + res_tab[x] -= ltm_prime_tab[x]; + } + + /* set flag if zero */ + if (res_tab[x] == 0) { + y = 1; + } } } while ((y == 1) && (step < ((((mp_digit)1) << DIGIT_BIT) - kstep))); @@ -143,13 +145,13 @@ int mp_prime_next_prime(mp_int *a, int t, int bbs_style) /* is this prime? */ for (x = 0; x < t; x++) { - mp_set(&b, ltm_prime_tab[x]); - if ((err = mp_prime_miller_rabin(a, &b, &res)) != MP_OKAY) { - goto LBL_ERR; - } - if (res == MP_NO) { - break; - } + mp_set(&b, ltm_prime_tab[x]); + if ((err = mp_prime_miller_rabin(a, &b, &res)) != MP_OKAY) { + goto LBL_ERR; + } + if (res == MP_NO) { + break; + } } if (res == MP_YES) { diff --git a/libtommath/bn_mp_prime_rabin_miller_trials.c b/libtommath/bn_mp_prime_rabin_miller_trials.c index 378ceb2..cde309a 100644 --- a/libtommath/bn_mp_prime_rabin_miller_trials.c +++ b/libtommath/bn_mp_prime_rabin_miller_trials.c @@ -19,14 +19,14 @@ static const struct { int k, t; } sizes[] = { -{ 128, 28 }, -{ 256, 16 }, -{ 384, 10 }, -{ 512, 7 }, -{ 640, 6 }, -{ 768, 5 }, -{ 896, 4 }, -{ 1024, 4 } + { 128, 28 }, + { 256, 16 }, + { 384, 10 }, + { 512, 7 }, + { 640, 6 }, + { 768, 5 }, + { 896, 4 }, + { 1024, 4 } }; /* returns # of RM trials required for a given bit size */ @@ -35,11 +35,11 @@ int mp_prime_rabin_miller_trials(int size) int x; for (x = 0; x < (int)(sizeof(sizes)/(sizeof(sizes[0]))); x++) { - if (sizes[x].k == size) { - return sizes[x].t; - } else if (sizes[x].k > size) { - return (x == 0) ? sizes[0].t : sizes[x - 1].t; - } + if (sizes[x].k == size) { + return sizes[x].t; + } else if (sizes[x].k > size) { + return (x == 0) ? sizes[0].t : sizes[x - 1].t; + } } return sizes[x-1].t + 1; } diff --git a/libtommath/bn_mp_prime_random_ex.c b/libtommath/bn_mp_prime_random_ex.c index cf5272e..d3d6f3d 100644 --- a/libtommath/bn_mp_prime_random_ex.c +++ b/libtommath/bn_mp_prime_random_ex.c @@ -18,7 +18,7 @@ /* makes a truly random prime of a given size (bits), * * Flags are as follows: - * + * * LTM_PRIME_BBS - make prime congruent to 3 mod 4 * LTM_PRIME_SAFE - make sure (p-1)/2 is prime as well (implies LTM_PRIME_BBS) * LTM_PRIME_2MSB_ON - make the 2nd highest bit one @@ -62,7 +62,7 @@ int mp_prime_random_ex(mp_int *a, int t, int size, int flags, ltm_prime_callback maskOR_msb_offset = ((size & 7) == 1) ? 1 : 0; if ((flags & LTM_PRIME_2MSB_ON) != 0) { maskOR_msb |= 0x80 >> ((9 - size) & 7); - } + } /* get the maskOR_lsb */ maskOR_lsb = 1; @@ -76,7 +76,7 @@ int mp_prime_random_ex(mp_int *a, int t, int size, int flags, ltm_prime_callback err = MP_VAL; goto error; } - + /* work over the MSbyte */ tmp[0] &= maskAND; tmp[0] |= 1 << ((size - 1) & 7); @@ -86,28 +86,42 @@ int mp_prime_random_ex(mp_int *a, int t, int size, int flags, ltm_prime_callback tmp[bsize-1] |= maskOR_lsb; /* read it in */ - if ((err = mp_read_unsigned_bin(a, tmp, bsize)) != MP_OKAY) { goto error; } + if ((err = mp_read_unsigned_bin(a, tmp, bsize)) != MP_OKAY) { + goto error; + } /* is it prime? */ - if ((err = mp_prime_is_prime(a, t, &res)) != MP_OKAY) { goto error; } - if (res == MP_NO) { + if ((err = mp_prime_is_prime(a, t, &res)) != MP_OKAY) { + goto error; + } + if (res == MP_NO) { continue; } if ((flags & LTM_PRIME_SAFE) != 0) { /* see if (a-1)/2 is prime */ - if ((err = mp_sub_d(a, 1, a)) != MP_OKAY) { goto error; } - if ((err = mp_div_2(a, a)) != MP_OKAY) { goto error; } - + if ((err = mp_sub_d(a, 1, a)) != MP_OKAY) { + goto error; + } + if ((err = mp_div_2(a, a)) != MP_OKAY) { + goto error; + } + /* is it prime? */ - if ((err = mp_prime_is_prime(a, t, &res)) != MP_OKAY) { goto error; } + if ((err = mp_prime_is_prime(a, t, &res)) != MP_OKAY) { + goto error; + } } } while (res == MP_NO); if ((flags & LTM_PRIME_SAFE) != 0) { /* restore a to the original value */ - if ((err = mp_mul_2(a, a)) != MP_OKAY) { goto error; } - if ((err = mp_add_d(a, 1, a)) != MP_OKAY) { goto error; } + if ((err = mp_mul_2(a, a)) != MP_OKAY) { + goto error; + } + if ((err = mp_add_d(a, 1, a)) != MP_OKAY) { + goto error; + } } err = MP_OKAY; diff --git a/libtommath/bn_mp_radix_size.c b/libtommath/bn_mp_radix_size.c index 9c502c8..29355cb 100644 --- a/libtommath/bn_mp_radix_size.c +++ b/libtommath/bn_mp_radix_size.c @@ -16,59 +16,59 @@ */ /* returns size of ASCII reprensentation */ -int mp_radix_size (const mp_int * a, int radix, int *size) +int mp_radix_size(const mp_int *a, int radix, int *size) { - int res, digs; - mp_int t; - mp_digit d; + int res, digs; + mp_int t; + mp_digit d; - *size = 0; + *size = 0; - /* make sure the radix is in range */ - if ((radix < 2) || (radix > 64)) { - return MP_VAL; - } + /* make sure the radix is in range */ + if ((radix < 2) || (radix > 64)) { + return MP_VAL; + } - if (mp_iszero(a) == MP_YES) { - *size = 2; - return MP_OKAY; - } + if (mp_iszero(a) == MP_YES) { + *size = 2; + return MP_OKAY; + } - /* special case for binary */ - if (radix == 2) { - *size = mp_count_bits (a) + ((a->sign == MP_NEG) ? 1 : 0) + 1; - return MP_OKAY; - } + /* special case for binary */ + if (radix == 2) { + *size = mp_count_bits(a) + ((a->sign == MP_NEG) ? 1 : 0) + 1; + return MP_OKAY; + } - /* digs is the digit count */ - digs = 0; + /* digs is the digit count */ + digs = 0; - /* if it's negative add one for the sign */ - if (a->sign == MP_NEG) { - ++digs; - } + /* if it's negative add one for the sign */ + if (a->sign == MP_NEG) { + ++digs; + } - /* init a copy of the input */ - if ((res = mp_init_copy (&t, a)) != MP_OKAY) { - return res; - } + /* init a copy of the input */ + if ((res = mp_init_copy(&t, a)) != MP_OKAY) { + return res; + } - /* force temp to positive */ - t.sign = MP_ZPOS; + /* force temp to positive */ + t.sign = MP_ZPOS; - /* fetch out all of the digits */ - while (mp_iszero (&t) == MP_NO) { - if ((res = mp_div_d (&t, (mp_digit) radix, &t, &d)) != MP_OKAY) { - mp_clear (&t); - return res; - } - ++digs; - } - mp_clear (&t); + /* fetch out all of the digits */ + while (mp_iszero(&t) == MP_NO) { + if ((res = mp_div_d(&t, (mp_digit)radix, &t, &d)) != MP_OKAY) { + mp_clear(&t); + return res; + } + ++digs; + } + mp_clear(&t); - /* return digs + 1, the 1 is for the NULL byte that would be required. */ - *size = digs + 1; - return MP_OKAY; + /* return digs + 1, the 1 is for the NULL byte that would be required. */ + *size = digs + 1; + return MP_OKAY; } #endif diff --git a/libtommath/bn_mp_rand.c b/libtommath/bn_mp_rand.c index 93e255a..92a9a97 100644 --- a/libtommath/bn_mp_rand.c +++ b/libtommath/bn_mp_rand.c @@ -16,13 +16,13 @@ */ #if MP_GEN_RANDOM_MAX == 0xffffffff - #define MP_GEN_RANDOM_SHIFT 32 +#define MP_GEN_RANDOM_SHIFT 32 #elif MP_GEN_RANDOM_MAX == 32767 - /* SHRT_MAX */ - #define MP_GEN_RANDOM_SHIFT 15 +/* SHRT_MAX */ +#define MP_GEN_RANDOM_SHIFT 15 #elif MP_GEN_RANDOM_MAX == 2147483647 - /* INT_MAX */ - #define MP_GEN_RANDOM_SHIFT 31 +/* INT_MAX */ +#define MP_GEN_RANDOM_SHIFT 31 #elif !defined(MP_GEN_RANDOM_SHIFT) #error Thou shalt define their own valid MP_GEN_RANDOM_SHIFT #endif @@ -30,48 +30,47 @@ /* makes a pseudo-random int of a given size */ static mp_digit s_gen_random(void) { - mp_digit d = 0, msk = 0; - do { - d <<= MP_GEN_RANDOM_SHIFT; - d |= ((mp_digit) MP_GEN_RANDOM()); - msk <<= MP_GEN_RANDOM_SHIFT; - msk |= (MP_MASK & MP_GEN_RANDOM_MAX); - } while ((MP_MASK & msk) != MP_MASK); - d &= MP_MASK; - return d; + mp_digit d = 0, msk = 0; + do { + d <<= MP_GEN_RANDOM_SHIFT; + d |= ((mp_digit) MP_GEN_RANDOM()); + msk <<= MP_GEN_RANDOM_SHIFT; + msk |= (MP_MASK & MP_GEN_RANDOM_MAX); + } while ((MP_MASK & msk) != MP_MASK); + d &= MP_MASK; + return d; } -int -mp_rand (mp_int * a, int digits) +int mp_rand(mp_int *a, int digits) { - int res; - mp_digit d; + int res; + mp_digit d; - mp_zero (a); - if (digits <= 0) { - return MP_OKAY; - } + mp_zero(a); + if (digits <= 0) { + return MP_OKAY; + } - /* first place a random non-zero digit */ - do { - d = s_gen_random(); - } while (d == 0); + /* first place a random non-zero digit */ + do { + d = s_gen_random(); + } while (d == 0); - if ((res = mp_add_d (a, d, a)) != MP_OKAY) { - return res; - } - - while (--digits > 0) { - if ((res = mp_lshd (a, 1)) != MP_OKAY) { + if ((res = mp_add_d(a, d, a)) != MP_OKAY) { return res; - } + } - if ((res = mp_add_d (a, s_gen_random(), a)) != MP_OKAY) { - return res; - } - } + while (--digits > 0) { + if ((res = mp_lshd(a, 1)) != MP_OKAY) { + return res; + } + + if ((res = mp_add_d(a, s_gen_random(), a)) != MP_OKAY) { + return res; + } + } - return MP_OKAY; + return MP_OKAY; } #endif diff --git a/libtommath/bn_mp_read_radix.c b/libtommath/bn_mp_read_radix.c index 12aa499..bc31cc5 100644 --- a/libtommath/bn_mp_read_radix.c +++ b/libtommath/bn_mp_read_radix.c @@ -16,73 +16,73 @@ */ /* read a string [ASCII] in a given radix */ -int mp_read_radix (mp_int * a, const char *str, int radix) +int mp_read_radix(mp_int *a, const char *str, int radix) { - int y, res, neg; - char ch; + int y, res, neg; + char ch; - /* zero the digit bignum */ - mp_zero(a); + /* zero the digit bignum */ + mp_zero(a); - /* make sure the radix is ok */ - if ((radix < 2) || (radix > 64)) { - return MP_VAL; - } + /* make sure the radix is ok */ + if ((radix < 2) || (radix > 64)) { + return MP_VAL; + } - /* if the leading digit is a - * minus set the sign to negative. - */ - if (*str == '-') { - ++str; - neg = MP_NEG; - } else { - neg = MP_ZPOS; - } + /* if the leading digit is a + * minus set the sign to negative. + */ + if (*str == '-') { + ++str; + neg = MP_NEG; + } else { + neg = MP_ZPOS; + } - /* set the integer to the default of zero */ - mp_zero (a); - - /* process each digit of the string */ - while (*str != '\0') { - /* if the radix <= 36 the conversion is case insensitive - * this allows numbers like 1AB and 1ab to represent the same value - * [e.g. in hex] - */ - ch = (radix <= 36) ? (char)toupper((int)*str) : *str; - for (y = 0; y < 64; y++) { - if (ch == mp_s_rmap[y]) { - break; - } - } + /* set the integer to the default of zero */ + mp_zero(a); - /* if the char was found in the map - * and is less than the given radix add it - * to the number, otherwise exit the loop. - */ - if (y < radix) { - if ((res = mp_mul_d (a, (mp_digit) radix, a)) != MP_OKAY) { - return res; + /* process each digit of the string */ + while (*str != '\0') { + /* if the radix <= 36 the conversion is case insensitive + * this allows numbers like 1AB and 1ab to represent the same value + * [e.g. in hex] + */ + ch = (radix <= 36) ? (char)toupper((int)*str) : *str; + for (y = 0; y < 64; y++) { + if (ch == mp_s_rmap[y]) { + break; + } } - if ((res = mp_add_d (a, (mp_digit) y, a)) != MP_OKAY) { - return res; + + /* if the char was found in the map + * and is less than the given radix add it + * to the number, otherwise exit the loop. + */ + if (y < radix) { + if ((res = mp_mul_d(a, (mp_digit)radix, a)) != MP_OKAY) { + return res; + } + if ((res = mp_add_d(a, (mp_digit)y, a)) != MP_OKAY) { + return res; + } + } else { + break; } - } else { - break; - } - ++str; - } + ++str; + } - /* if an illegal character was found, fail. */ - if (!(*str == '\0' || *str == '\r' || *str == '\n')) { + /* if an illegal character was found, fail. */ + if (!(*str == '\0' || *str == '\r' || *str == '\n')) { mp_zero(a); return MP_VAL; - } + } - /* set the sign only if a != 0 */ - if (mp_iszero(a) != MP_YES) { - a->sign = neg; - } - return MP_OKAY; + /* set the sign only if a != 0 */ + if (mp_iszero(a) != MP_YES) { + a->sign = neg; + } + return MP_OKAY; } #endif diff --git a/libtommath/bn_mp_read_signed_bin.c b/libtommath/bn_mp_read_signed_bin.c index 363e11f..eabc803 100644 --- a/libtommath/bn_mp_read_signed_bin.c +++ b/libtommath/bn_mp_read_signed_bin.c @@ -16,23 +16,23 @@ */ /* read signed bin, big endian, first byte is 0==positive or 1==negative */ -int mp_read_signed_bin (mp_int * a, const unsigned char *b, int c) +int mp_read_signed_bin(mp_int *a, const unsigned char *b, int c) { - int res; + int res; - /* read magnitude */ - if ((res = mp_read_unsigned_bin (a, b + 1, c - 1)) != MP_OKAY) { - return res; - } + /* read magnitude */ + if ((res = mp_read_unsigned_bin(a, b + 1, c - 1)) != MP_OKAY) { + return res; + } - /* first byte is 0 for positive, non-zero for negative */ - if (b[0] == 0) { - a->sign = MP_ZPOS; - } else { - a->sign = MP_NEG; - } + /* first byte is 0 for positive, non-zero for negative */ + if (b[0] == 0) { + a->sign = MP_ZPOS; + } else { + a->sign = MP_NEG; + } - return MP_OKAY; + return MP_OKAY; } #endif diff --git a/libtommath/bn_mp_read_unsigned_bin.c b/libtommath/bn_mp_read_unsigned_bin.c index 1a50b58..ad9f05f 100644 --- a/libtommath/bn_mp_read_unsigned_bin.c +++ b/libtommath/bn_mp_read_unsigned_bin.c @@ -16,37 +16,37 @@ */ /* reads a unsigned char array, assumes the msb is stored first [big endian] */ -int mp_read_unsigned_bin (mp_int * a, const unsigned char *b, int c) +int mp_read_unsigned_bin(mp_int *a, const unsigned char *b, int c) { - int res; + int res; - /* make sure there are at least two digits */ - if (a->alloc < 2) { - if ((res = mp_grow(a, 2)) != MP_OKAY) { - return res; - } - } + /* make sure there are at least two digits */ + if (a->alloc < 2) { + if ((res = mp_grow(a, 2)) != MP_OKAY) { + return res; + } + } - /* zero the int */ - mp_zero (a); + /* zero the int */ + mp_zero(a); - /* read the bytes in */ - while (c-- > 0) { - if ((res = mp_mul_2d (a, 8, a)) != MP_OKAY) { - return res; - } + /* read the bytes in */ + while (c-- > 0) { + if ((res = mp_mul_2d(a, 8, a)) != MP_OKAY) { + return res; + } #ifndef MP_8BIT - a->dp[0] |= *b++; - a->used += 1; + a->dp[0] |= *b++; + a->used += 1; #else - a->dp[0] = (*b & MP_MASK); - a->dp[1] |= ((*b++ >> 7U) & 1); - a->used += 2; + a->dp[0] = (*b & MP_MASK); + a->dp[1] |= ((*b++ >> 7U) & 1); + a->used += 2; #endif - } - mp_clamp (a); - return MP_OKAY; + } + mp_clamp(a); + return MP_OKAY; } #endif diff --git a/libtommath/bn_mp_reduce.c b/libtommath/bn_mp_reduce.c index 367383f..bbc521f 100644 --- a/libtommath/bn_mp_reduce.c +++ b/libtommath/bn_mp_reduce.c @@ -19,79 +19,79 @@ * precomputed via mp_reduce_setup. * From HAC pp.604 Algorithm 14.42 */ -int mp_reduce (mp_int * x, mp_int * m, mp_int * mu) +int mp_reduce(mp_int *x, const mp_int *m, const mp_int *mu) { - mp_int q; - int res, um = m->used; + mp_int q; + int res, um = m->used; - /* q = x */ - if ((res = mp_init_copy (&q, x)) != MP_OKAY) { - return res; - } + /* q = x */ + if ((res = mp_init_copy(&q, x)) != MP_OKAY) { + return res; + } - /* q1 = x / b**(k-1) */ - mp_rshd (&q, um - 1); + /* q1 = x / b**(k-1) */ + mp_rshd(&q, um - 1); - /* according to HAC this optimization is ok */ - if (((mp_digit) um) > (((mp_digit)1) << (DIGIT_BIT - 1))) { - if ((res = mp_mul (&q, mu, &q)) != MP_OKAY) { - goto CLEANUP; - } - } else { + /* according to HAC this optimization is ok */ + if (((mp_digit) um) > (((mp_digit)1) << (DIGIT_BIT - 1))) { + if ((res = mp_mul(&q, mu, &q)) != MP_OKAY) { + goto CLEANUP; + } + } else { #ifdef BN_S_MP_MUL_HIGH_DIGS_C - if ((res = s_mp_mul_high_digs (&q, mu, &q, um)) != MP_OKAY) { - goto CLEANUP; - } + if ((res = s_mp_mul_high_digs(&q, mu, &q, um)) != MP_OKAY) { + goto CLEANUP; + } #elif defined(BN_FAST_S_MP_MUL_HIGH_DIGS_C) - if ((res = fast_s_mp_mul_high_digs (&q, mu, &q, um)) != MP_OKAY) { - goto CLEANUP; - } + if ((res = fast_s_mp_mul_high_digs(&q, mu, &q, um)) != MP_OKAY) { + goto CLEANUP; + } #else - { - res = MP_VAL; - goto CLEANUP; - } + { + res = MP_VAL; + goto CLEANUP; + } #endif - } - - /* q3 = q2 / b**(k+1) */ - mp_rshd (&q, um + 1); + } - /* x = x mod b**(k+1), quick (no division) */ - if ((res = mp_mod_2d (x, DIGIT_BIT * (um + 1), x)) != MP_OKAY) { - goto CLEANUP; - } + /* q3 = q2 / b**(k+1) */ + mp_rshd(&q, um + 1); - /* q = q * m mod b**(k+1), quick (no division) */ - if ((res = s_mp_mul_digs (&q, m, &q, um + 1)) != MP_OKAY) { - goto CLEANUP; - } - - /* x = x - q */ - if ((res = mp_sub (x, &q, x)) != MP_OKAY) { - goto CLEANUP; - } - - /* If x < 0, add b**(k+1) to it */ - if (mp_cmp_d (x, 0) == MP_LT) { - mp_set (&q, 1); - if ((res = mp_lshd (&q, um + 1)) != MP_OKAY) + /* x = x mod b**(k+1), quick (no division) */ + if ((res = mp_mod_2d(x, DIGIT_BIT * (um + 1), x)) != MP_OKAY) { goto CLEANUP; - if ((res = mp_add (x, &q, x)) != MP_OKAY) + } + + /* q = q * m mod b**(k+1), quick (no division) */ + if ((res = s_mp_mul_digs(&q, m, &q, um + 1)) != MP_OKAY) { goto CLEANUP; - } + } - /* Back off if it's too big */ - while (mp_cmp (x, m) != MP_LT) { - if ((res = s_mp_sub (x, m, x)) != MP_OKAY) { + /* x = x - q */ + if ((res = mp_sub(x, &q, x)) != MP_OKAY) { goto CLEANUP; - } - } + } + + /* If x < 0, add b**(k+1) to it */ + if (mp_cmp_d(x, 0) == MP_LT) { + mp_set(&q, 1); + if ((res = mp_lshd(&q, um + 1)) != MP_OKAY) + goto CLEANUP; + if ((res = mp_add(x, &q, x)) != MP_OKAY) + goto CLEANUP; + } + + /* Back off if it's too big */ + while (mp_cmp(x, m) != MP_LT) { + if ((res = s_mp_sub(x, m, x)) != MP_OKAY) { + goto CLEANUP; + } + } CLEANUP: - mp_clear (&q); + mp_clear(&q); - return res; + return res; } #endif diff --git a/libtommath/bn_mp_reduce_2k.c b/libtommath/bn_mp_reduce_2k.c index 6bc96d1..2922cad 100644 --- a/libtommath/bn_mp_reduce_2k.c +++ b/libtommath/bn_mp_reduce_2k.c @@ -16,7 +16,7 @@ */ /* reduces a modulo n where n is of the form 2**p - d */ -int mp_reduce_2k(mp_int *a, mp_int *n, mp_digit d) +int mp_reduce_2k(mp_int *a, const mp_int *n, mp_digit d) { mp_int q; int p, res; diff --git a/libtommath/bn_mp_reduce_2k_l.c b/libtommath/bn_mp_reduce_2k_l.c index 8e6eeb0..23381bf 100644 --- a/libtommath/bn_mp_reduce_2k_l.c +++ b/libtommath/bn_mp_reduce_2k_l.c @@ -19,7 +19,7 @@ This differs from reduce_2k since "d" can be larger than a single digit. */ -int mp_reduce_2k_l(mp_int *a, mp_int *n, mp_int *d) +int mp_reduce_2k_l(mp_int *a, const mp_int *n, const mp_int *d) { mp_int q; int p, res; diff --git a/libtommath/bn_mp_reduce_2k_setup.c b/libtommath/bn_mp_reduce_2k_setup.c index bf810c0..e6ae839 100644 --- a/libtommath/bn_mp_reduce_2k_setup.c +++ b/libtommath/bn_mp_reduce_2k_setup.c @@ -16,26 +16,26 @@ */ /* determines the setup value */ -int mp_reduce_2k_setup(mp_int *a, mp_digit *d) +int mp_reduce_2k_setup(const mp_int *a, mp_digit *d) { int res, p; mp_int tmp; - + if ((res = mp_init(&tmp)) != MP_OKAY) { return res; } - + p = mp_count_bits(a); if ((res = mp_2expt(&tmp, p)) != MP_OKAY) { mp_clear(&tmp); return res; } - + if ((res = s_mp_sub(&tmp, a, &tmp)) != MP_OKAY) { mp_clear(&tmp); return res; } - + *d = tmp.dp[0]; mp_clear(&tmp); return MP_OKAY; diff --git a/libtommath/bn_mp_reduce_2k_setup_l.c b/libtommath/bn_mp_reduce_2k_setup_l.c index 56d1ba8..af81b5b 100644 --- a/libtommath/bn_mp_reduce_2k_setup_l.c +++ b/libtommath/bn_mp_reduce_2k_setup_l.c @@ -16,23 +16,23 @@ */ /* determines the setup value */ -int mp_reduce_2k_setup_l(mp_int *a, mp_int *d) +int mp_reduce_2k_setup_l(const mp_int *a, mp_int *d) { int res; mp_int tmp; - + if ((res = mp_init(&tmp)) != MP_OKAY) { return res; } - + if ((res = mp_2expt(&tmp, mp_count_bits(a))) != MP_OKAY) { goto ERR; } - + if ((res = s_mp_sub(&tmp, a, d)) != MP_OKAY) { goto ERR; } - + ERR: mp_clear(&tmp); return res; diff --git a/libtommath/bn_mp_reduce_is_2k.c b/libtommath/bn_mp_reduce_is_2k.c index 0499e83..932521e 100644 --- a/libtommath/bn_mp_reduce_is_2k.c +++ b/libtommath/bn_mp_reduce_is_2k.c @@ -16,11 +16,11 @@ */ /* determines if mp_reduce_2k can be used */ -int mp_reduce_is_2k(mp_int *a) +int mp_reduce_is_2k(const mp_int *a) { int ix, iy, iw; mp_digit iz; - + if (a->used == 0) { return MP_NO; } else if (a->used == 1) { @@ -29,17 +29,17 @@ int mp_reduce_is_2k(mp_int *a) iy = mp_count_bits(a); iz = 1; iw = 1; - + /* Test every bit from the second digit up, must be 1 */ for (ix = DIGIT_BIT; ix < iy; ix++) { - if ((a->dp[iw] & iz) == 0) { - return MP_NO; - } - iz <<= 1; - if (iz > (mp_digit)MP_MASK) { - ++iw; - iz = 1; - } + if ((a->dp[iw] & iz) == 0) { + return MP_NO; + } + iz <<= 1; + if (iz > (mp_digit)MP_MASK) { + ++iw; + iz = 1; + } } } return MP_YES; diff --git a/libtommath/bn_mp_reduce_is_2k_l.c b/libtommath/bn_mp_reduce_is_2k_l.c index 48b3498..22c7582 100644 --- a/libtommath/bn_mp_reduce_is_2k_l.c +++ b/libtommath/bn_mp_reduce_is_2k_l.c @@ -16,10 +16,10 @@ */ /* determines if reduce_2k_l can be used */ -int mp_reduce_is_2k_l(mp_int *a) +int mp_reduce_is_2k_l(const mp_int *a) { int ix, iy; - + if (a->used == 0) { return MP_NO; } else if (a->used == 1) { @@ -27,12 +27,12 @@ int mp_reduce_is_2k_l(mp_int *a) } else if (a->used > 1) { /* if more than half of the digits are -1 we're sold */ for (iy = ix = 0; ix < a->used; ix++) { - if (a->dp[ix] == MP_MASK) { - ++iy; - } + if (a->dp[ix] == MP_MASK) { + ++iy; + } } return (iy >= (a->used/2)) ? MP_YES : MP_NO; - + } return MP_NO; } diff --git a/libtommath/bn_mp_reduce_setup.c b/libtommath/bn_mp_reduce_setup.c index 8875698..70e193a 100644 --- a/libtommath/bn_mp_reduce_setup.c +++ b/libtommath/bn_mp_reduce_setup.c @@ -18,14 +18,14 @@ /* pre-calculate the value required for Barrett reduction * For a given modulus "b" it calulates the value required in "a" */ -int mp_reduce_setup (mp_int * a, mp_int * b) +int mp_reduce_setup(mp_int *a, const mp_int *b) { - int res; - - if ((res = mp_2expt (a, b->used * 2 * DIGIT_BIT)) != MP_OKAY) { - return res; - } - return mp_div (a, b, a, NULL); + int res; + + if ((res = mp_2expt(a, b->used * 2 * DIGIT_BIT)) != MP_OKAY) { + return res; + } + return mp_div(a, b, a, NULL); } #endif diff --git a/libtommath/bn_mp_rshd.c b/libtommath/bn_mp_rshd.c index 4b598de..fd06735 100644 --- a/libtommath/bn_mp_rshd.c +++ b/libtommath/bn_mp_rshd.c @@ -16,54 +16,54 @@ */ /* shift right a certain amount of digits */ -void mp_rshd (mp_int * a, int b) +void mp_rshd(mp_int *a, int b) { - int x; + int x; - /* if b <= 0 then ignore it */ - if (b <= 0) { - return; - } + /* if b <= 0 then ignore it */ + if (b <= 0) { + return; + } - /* if b > used then simply zero it and return */ - if (a->used <= b) { - mp_zero (a); - return; - } + /* if b > used then simply zero it and return */ + if (a->used <= b) { + mp_zero(a); + return; + } - { - mp_digit *bottom, *top; + { + mp_digit *bottom, *top; - /* shift the digits down */ + /* shift the digits down */ - /* bottom */ - bottom = a->dp; + /* bottom */ + bottom = a->dp; - /* top [offset into digits] */ - top = a->dp + b; + /* top [offset into digits] */ + top = a->dp + b; - /* this is implemented as a sliding window where - * the window is b-digits long and digits from - * the top of the window are copied to the bottom - * - * e.g. + /* this is implemented as a sliding window where + * the window is b-digits long and digits from + * the top of the window are copied to the bottom + * + * e.g. - b-2 | b-1 | b0 | b1 | b2 | ... | bb | ----> - /\ | ----> - \-------------------/ ----> - */ - for (x = 0; x < (a->used - b); x++) { - *bottom++ = *top++; - } + b-2 | b-1 | b0 | b1 | b2 | ... | bb | ----> + /\ | ----> + \-------------------/ ----> + */ + for (x = 0; x < (a->used - b); x++) { + *bottom++ = *top++; + } - /* zero the top digits */ - for (; x < a->used; x++) { - *bottom++ = 0; - } - } - - /* remove excess digits */ - a->used -= b; + /* zero the top digits */ + for (; x < a->used; x++) { + *bottom++ = 0; + } + } + + /* remove excess digits */ + a->used -= b; } #endif diff --git a/libtommath/bn_mp_set.c b/libtommath/bn_mp_set.c index dd4de3c..eaf7fed 100644 --- a/libtommath/bn_mp_set.c +++ b/libtommath/bn_mp_set.c @@ -16,11 +16,11 @@ */ /* set to a digit */ -void mp_set (mp_int * a, mp_digit b) +void mp_set(mp_int *a, mp_digit b) { - mp_zero (a); - a->dp[0] = b & MP_MASK; - a->used = (a->dp[0] != 0) ? 1 : 0; + mp_zero(a); + a->dp[0] = b & MP_MASK; + a->used = (a->dp[0] != 0) ? 1 : 0; } #endif diff --git a/libtommath/bn_mp_set_int.c b/libtommath/bn_mp_set_int.c index 3aafec9..4c71180 100644 --- a/libtommath/bn_mp_set_int.c +++ b/libtommath/bn_mp_set_int.c @@ -16,30 +16,30 @@ */ /* set a 32-bit const */ -int mp_set_int (mp_int * a, unsigned long b) +int mp_set_int(mp_int *a, unsigned long b) { - int x, res; + int x, res; - mp_zero (a); - - /* set four bits at a time */ - for (x = 0; x < 8; x++) { - /* shift the number up four bits */ - if ((res = mp_mul_2d (a, 4, a)) != MP_OKAY) { - return res; - } + mp_zero(a); - /* OR in the top four bits of the source */ - a->dp[0] |= (b >> 28) & 15; + /* set four bits at a time */ + for (x = 0; x < 8; x++) { + /* shift the number up four bits */ + if ((res = mp_mul_2d(a, 4, a)) != MP_OKAY) { + return res; + } - /* shift the source up to the next four bits */ - b <<= 4; + /* OR in the top four bits of the source */ + a->dp[0] |= (b >> 28) & 15; - /* ensure that digits are not clamped off */ - a->used += 1; - } - mp_clamp (a); - return MP_OKAY; + /* shift the source up to the next four bits */ + b <<= 4; + + /* ensure that digits are not clamped off */ + a->used += 1; + } + mp_clamp(a); + return MP_OKAY; } #endif diff --git a/libtommath/bn_mp_set_long_long.c b/libtommath/bn_mp_set_long_long.c index 3566b45..0b8be33 100644 --- a/libtommath/bn_mp_set_long_long.c +++ b/libtommath/bn_mp_set_long_long.c @@ -16,7 +16,7 @@ */ /* set a platform dependent unsigned long long int */ -MP_SET_XLONG(mp_set_long_long, unsigned long long) +MP_SET_XLONG(mp_set_long_long, Tcl_WideUInt) #endif /* ref: $Format:%D$ */ diff --git a/libtommath/bn_mp_shrink.c b/libtommath/bn_mp_shrink.c index 0712c2b..8ac1f33 100644 --- a/libtommath/bn_mp_shrink.c +++ b/libtommath/bn_mp_shrink.c @@ -16,23 +16,23 @@ */ /* shrink a bignum */ -int mp_shrink (mp_int * a) +int mp_shrink(mp_int *a) { - mp_digit *tmp; - int used = 1; - - if(a->used > 0) { - used = a->used; - } - - if (a->alloc != used) { - if ((tmp = OPT_CAST(mp_digit) XREALLOC (a->dp, sizeof (mp_digit) * used)) == NULL) { - return MP_MEM; - } - a->dp = tmp; - a->alloc = used; - } - return MP_OKAY; + mp_digit *tmp; + int used = 1; + + if (a->used > 0) { + used = a->used; + } + + if (a->alloc != used) { + if ((tmp = OPT_CAST(mp_digit) XREALLOC(a->dp, sizeof(mp_digit) * used)) == NULL) { + return MP_MEM; + } + a->dp = tmp; + a->alloc = used; + } + return MP_OKAY; } #endif diff --git a/libtommath/bn_mp_signed_bin_size.c b/libtommath/bn_mp_signed_bin_size.c index 0910333..1fdfd85 100644 --- a/libtommath/bn_mp_signed_bin_size.c +++ b/libtommath/bn_mp_signed_bin_size.c @@ -16,9 +16,9 @@ */ /* get the size for an signed equivalent */ -int mp_signed_bin_size (mp_int * a) +int mp_signed_bin_size(const mp_int *a) { - return 1 + mp_unsigned_bin_size (a); + return 1 + mp_unsigned_bin_size(a); } #endif diff --git a/libtommath/bn_mp_sqr.c b/libtommath/bn_mp_sqr.c index ffe94e2..2b71097 100644 --- a/libtommath/bn_mp_sqr.c +++ b/libtommath/bn_mp_sqr.c @@ -16,42 +16,41 @@ */ /* computes b = a*a */ -int -mp_sqr (mp_int * a, mp_int * b) +int mp_sqr(const mp_int *a, mp_int *b) { - int res; + int res; #ifdef BN_MP_TOOM_SQR_C - /* use Toom-Cook? */ - if (a->used >= TOOM_SQR_CUTOFF) { - res = mp_toom_sqr(a, b); - /* Karatsuba? */ - } else + /* use Toom-Cook? */ + if (a->used >= TOOM_SQR_CUTOFF) { + res = mp_toom_sqr(a, b); + /* Karatsuba? */ + } else #endif #ifdef BN_MP_KARATSUBA_SQR_C - if (a->used >= KARATSUBA_SQR_CUTOFF) { - res = mp_karatsuba_sqr (a, b); - } else + if (a->used >= KARATSUBA_SQR_CUTOFF) { + res = mp_karatsuba_sqr(a, b); + } else #endif - { + { #ifdef BN_FAST_S_MP_SQR_C - /* can we use the fast comba multiplier? */ - if ((((a->used * 2) + 1) < MP_WARRAY) && - (a->used < - (1 << (((sizeof(mp_word) * CHAR_BIT) - (2 * DIGIT_BIT)) - 1)))) { - res = fast_s_mp_sqr (a, b); - } else + /* can we use the fast comba multiplier? */ + if ((((a->used * 2) + 1) < MP_WARRAY) && + (a->used < + (1 << (((sizeof(mp_word) * CHAR_BIT) - (2 * DIGIT_BIT)) - 1)))) { + res = fast_s_mp_sqr(a, b); + } else #endif - { + { #ifdef BN_S_MP_SQR_C - res = s_mp_sqr (a, b); + res = s_mp_sqr(a, b); #else - res = MP_VAL; + res = MP_VAL; #endif - } - } - b->sign = MP_ZPOS; - return res; + } + } + b->sign = MP_ZPOS; + return res; } #endif diff --git a/libtommath/bn_mp_sqrmod.c b/libtommath/bn_mp_sqrmod.c index 3b29fbc..c3c7ec9 100644 --- a/libtommath/bn_mp_sqrmod.c +++ b/libtommath/bn_mp_sqrmod.c @@ -16,23 +16,22 @@ */ /* c = a * a (mod b) */ -int -mp_sqrmod (mp_int * a, mp_int * b, mp_int * c) +int mp_sqrmod(const mp_int *a, const mp_int *b, mp_int *c) { - int res; - mp_int t; + int res; + mp_int t; - if ((res = mp_init (&t)) != MP_OKAY) { - return res; - } + if ((res = mp_init(&t)) != MP_OKAY) { + return res; + } - if ((res = mp_sqr (a, &t)) != MP_OKAY) { - mp_clear (&t); - return res; - } - res = mp_mod (&t, b, c); - mp_clear (&t); - return res; + if ((res = mp_sqr(a, &t)) != MP_OKAY) { + mp_clear(&t); + return res; + } + res = mp_mod(&t, b, c); + mp_clear(&t); + return res; } #endif diff --git a/libtommath/bn_mp_sqrt.c b/libtommath/bn_mp_sqrt.c index 775e85f..49a1bd0 100644 --- a/libtommath/bn_mp_sqrt.c +++ b/libtommath/bn_mp_sqrt.c @@ -20,122 +20,124 @@ #endif /* this function is less generic than mp_n_root, simpler and faster */ -int mp_sqrt(mp_int *arg, mp_int *ret) +int mp_sqrt(const mp_int *arg, mp_int *ret) { - int res; - mp_int t1,t2; - int i, j, k; + int res; + mp_int t1,t2; + int i, j, k; #ifndef NO_FLOATING_POINT - volatile double d; - mp_digit dig; + volatile double d; + mp_digit dig; #endif - /* must be positive */ - if (arg->sign == MP_NEG) { - return MP_VAL; - } - - /* easy out */ - if (mp_iszero(arg) == MP_YES) { - mp_zero(ret); - return MP_OKAY; - } - - i = (arg->used / 2) - 1; - j = 2 * i; - if ((res = mp_init_size(&t1, i+2)) != MP_OKAY) { + /* must be positive */ + if (arg->sign == MP_NEG) { + return MP_VAL; + } + + /* easy out */ + if (mp_iszero(arg) == MP_YES) { + mp_zero(ret); + return MP_OKAY; + } + + i = (arg->used / 2) - 1; + j = 2 * i; + if ((res = mp_init_size(&t1, i+2)) != MP_OKAY) { return res; - } - - if ((res = mp_init(&t2)) != MP_OKAY) { - goto E2; - } + } - for (k = 0; k < i; ++k) { + if ((res = mp_init(&t2)) != MP_OKAY) { + goto E2; + } + + for (k = 0; k < i; ++k) { t1.dp[k] = (mp_digit) 0; - } - + } + #ifndef NO_FLOATING_POINT - /* Estimate the square root using the hardware floating point unit. */ + /* Estimate the square root using the hardware floating point unit. */ - d = 0.0; - for (k = arg->used-1; k >= j; --k) { - d = ldexp(d, DIGIT_BIT) + (double) (arg->dp[k]); - } + d = 0.0; + for (k = arg->used-1; k >= j; --k) { + d = ldexp(d, DIGIT_BIT) + (double)(arg->dp[k]); + } - /* - * At this point, d is the nearest floating point number to the most - * significant 1 or 2 mp_digits of arg. Extract its square root. - */ - - d = sqrt(d); + /* + * At this point, d is the nearest floating point number to the most + * significant 1 or 2 mp_digits of arg. Extract its square root. + */ - /* dig is the most significant mp_digit of the square root */ + d = sqrt(d); - dig = (mp_digit) ldexp(d, -DIGIT_BIT); + /* dig is the most significant mp_digit of the square root */ - /* - * If the most significant digit is nonzero, find the next digit down - * by subtracting DIGIT_BIT times thie most significant digit. - * Subtract one from the result so that our initial estimate is always - * low. - */ + dig = (mp_digit) ldexp(d, -DIGIT_BIT); - if (dig) { + /* + * If the most significant digit is nonzero, find the next digit down + * by subtracting DIGIT_BIT times thie most significant digit. + * Subtract one from the result so that our initial estimate is always + * low. + */ + + if (dig) { t1.used = i+2; d -= ldexp((double) dig, DIGIT_BIT); if (d >= 1.0) { - t1.dp[i+1] = dig; - t1.dp[i] = ((mp_digit) d) - 1; + t1.dp[i+1] = dig; + t1.dp[i] = ((mp_digit) d) - 1; } else { - t1.dp[i+1] = dig-1; - t1.dp[i] = MP_DIGIT_MAX; + t1.dp[i+1] = dig-1; + t1.dp[i] = MP_DIGIT_MAX; } - } else { + } else { t1.used = i+1; t1.dp[i] = ((mp_digit) d) - 1; - } + } #else - /* Estimate the square root as having 1 in the most significant place. */ + /* Estimate the square root as having 1 in the most significant place. */ - t1.used = i + 2; - t1.dp[i+1] = (mp_digit) 1; - t1.dp[i] = (mp_digit) 0; + t1.used = i + 2; + t1.dp[i+1] = (mp_digit) 1; + t1.dp[i] = (mp_digit) 0; #endif - /* t1 > 0 */ - if ((res = mp_div(arg,&t1,&t2,NULL)) != MP_OKAY) { - goto E1; - } - if ((res = mp_add(&t1,&t2,&t1)) != MP_OKAY) { - goto E1; - } - if ((res = mp_div_2(&t1,&t1)) != MP_OKAY) { - goto E1; - } - /* And now t1 > sqrt(arg) */ - do { - if ((res = mp_div(arg,&t1,&t2,NULL)) != MP_OKAY) { + /* t1 > 0 */ + if ((res = mp_div(arg,&t1,&t2,NULL)) != MP_OKAY) { goto E1; - } - if ((res = mp_add(&t1,&t2,&t1)) != MP_OKAY) { + } + if ((res = mp_add(&t1,&t2,&t1)) != MP_OKAY) { goto E1; - } - if ((res = mp_div_2(&t1,&t1)) != MP_OKAY) { + } + if ((res = mp_div_2(&t1,&t1)) != MP_OKAY) { goto E1; - } - /* t1 >= sqrt(arg) >= t2 at this point */ - } while (mp_cmp_mag(&t1,&t2) == MP_GT); + } + /* And now t1 > sqrt(arg) */ + do { + if ((res = mp_div(arg,&t1,&t2,NULL)) != MP_OKAY) { + goto E1; + } + if ((res = mp_add(&t1,&t2,&t1)) != MP_OKAY) { + goto E1; + } + if ((res = mp_div_2(&t1,&t1)) != MP_OKAY) { + goto E1; + } + /* t1 >= sqrt(arg) >= t2 at this point */ + } while (mp_cmp_mag(&t1,&t2) == MP_GT); - mp_exch(&t1,ret); + mp_exch(&t1,ret); -E1: mp_clear(&t2); -E2: mp_clear(&t1); - return res; +E1: + mp_clear(&t2); +E2: + mp_clear(&t1); + return res; } #endif diff --git a/libtommath/bn_mp_sqrtmod_prime.c b/libtommath/bn_mp_sqrtmod_prime.c index 968729e..261723e 100644 --- a/libtommath/bn_mp_sqrtmod_prime.c +++ b/libtommath/bn_mp_sqrtmod_prime.c @@ -15,110 +15,110 @@ * */ -int mp_sqrtmod_prime(mp_int *n, mp_int *prime, mp_int *ret) +int mp_sqrtmod_prime(const mp_int *n, const mp_int *prime, mp_int *ret) { - int res, legendre; - mp_int t1, C, Q, S, Z, M, T, R, two; - mp_digit i; + int res, legendre; + mp_int t1, C, Q, S, Z, M, T, R, two; + mp_digit i; - /* first handle the simple cases */ - if (mp_cmp_d(n, 0) == MP_EQ) { - mp_zero(ret); - return MP_OKAY; - } - if (mp_cmp_d(prime, 2) == MP_EQ) return MP_VAL; /* prime must be odd */ - if ((res = mp_jacobi(n, prime, &legendre)) != MP_OKAY) return res; - if (legendre == -1) return MP_VAL; /* quadratic non-residue mod prime */ + /* first handle the simple cases */ + if (mp_cmp_d(n, 0) == MP_EQ) { + mp_zero(ret); + return MP_OKAY; + } + if (mp_cmp_d(prime, 2) == MP_EQ) return MP_VAL; /* prime must be odd */ + if ((res = mp_jacobi(n, prime, &legendre)) != MP_OKAY) return res; + if (legendre == -1) return MP_VAL; /* quadratic non-residue mod prime */ - if ((res = mp_init_multi(&t1, &C, &Q, &S, &Z, &M, &T, &R, &two, NULL)) != MP_OKAY) { - return res; - } + if ((res = mp_init_multi(&t1, &C, &Q, &S, &Z, &M, &T, &R, &two, NULL)) != MP_OKAY) { + return res; + } - /* SPECIAL CASE: if prime mod 4 == 3 - * compute directly: res = n^(prime+1)/4 mod prime - * Handbook of Applied Cryptography algorithm 3.36 - */ - if ((res = mp_mod_d(prime, 4, &i)) != MP_OKAY) goto cleanup; - if (i == 3) { - if ((res = mp_add_d(prime, 1, &t1)) != MP_OKAY) goto cleanup; - if ((res = mp_div_2(&t1, &t1)) != MP_OKAY) goto cleanup; - if ((res = mp_div_2(&t1, &t1)) != MP_OKAY) goto cleanup; - if ((res = mp_exptmod(n, &t1, prime, ret)) != MP_OKAY) goto cleanup; - res = MP_OKAY; - goto cleanup; - } + /* SPECIAL CASE: if prime mod 4 == 3 + * compute directly: res = n^(prime+1)/4 mod prime + * Handbook of Applied Cryptography algorithm 3.36 + */ + if ((res = mp_mod_d(prime, 4, &i)) != MP_OKAY) goto cleanup; + if (i == 3) { + if ((res = mp_add_d(prime, 1, &t1)) != MP_OKAY) goto cleanup; + if ((res = mp_div_2(&t1, &t1)) != MP_OKAY) goto cleanup; + if ((res = mp_div_2(&t1, &t1)) != MP_OKAY) goto cleanup; + if ((res = mp_exptmod(n, &t1, prime, ret)) != MP_OKAY) goto cleanup; + res = MP_OKAY; + goto cleanup; + } - /* NOW: Tonelli-Shanks algorithm */ + /* NOW: Tonelli-Shanks algorithm */ - /* factor out powers of 2 from prime-1, defining Q and S as: prime-1 = Q*2^S */ - if ((res = mp_copy(prime, &Q)) != MP_OKAY) goto cleanup; - if ((res = mp_sub_d(&Q, 1, &Q)) != MP_OKAY) goto cleanup; - /* Q = prime - 1 */ - mp_zero(&S); - /* S = 0 */ - while (mp_iseven(&Q) != MP_NO) { - if ((res = mp_div_2(&Q, &Q)) != MP_OKAY) goto cleanup; - /* Q = Q / 2 */ - if ((res = mp_add_d(&S, 1, &S)) != MP_OKAY) goto cleanup; - /* S = S + 1 */ - } + /* factor out powers of 2 from prime-1, defining Q and S as: prime-1 = Q*2^S */ + if ((res = mp_copy(prime, &Q)) != MP_OKAY) goto cleanup; + if ((res = mp_sub_d(&Q, 1, &Q)) != MP_OKAY) goto cleanup; + /* Q = prime - 1 */ + mp_zero(&S); + /* S = 0 */ + while (mp_iseven(&Q) != MP_NO) { + if ((res = mp_div_2(&Q, &Q)) != MP_OKAY) goto cleanup; + /* Q = Q / 2 */ + if ((res = mp_add_d(&S, 1, &S)) != MP_OKAY) goto cleanup; + /* S = S + 1 */ + } - /* find a Z such that the Legendre symbol (Z|prime) == -1 */ - if ((res = mp_set_int(&Z, 2)) != MP_OKAY) goto cleanup; - /* Z = 2 */ - while(1) { - if ((res = mp_jacobi(&Z, prime, &legendre)) != MP_OKAY) goto cleanup; - if (legendre == -1) break; - if ((res = mp_add_d(&Z, 1, &Z)) != MP_OKAY) goto cleanup; - /* Z = Z + 1 */ - } + /* find a Z such that the Legendre symbol (Z|prime) == -1 */ + if ((res = mp_set_int(&Z, 2)) != MP_OKAY) goto cleanup; + /* Z = 2 */ + while (1) { + if ((res = mp_jacobi(&Z, prime, &legendre)) != MP_OKAY) goto cleanup; + if (legendre == -1) break; + if ((res = mp_add_d(&Z, 1, &Z)) != MP_OKAY) goto cleanup; + /* Z = Z + 1 */ + } - if ((res = mp_exptmod(&Z, &Q, prime, &C)) != MP_OKAY) goto cleanup; - /* C = Z ^ Q mod prime */ - if ((res = mp_add_d(&Q, 1, &t1)) != MP_OKAY) goto cleanup; - if ((res = mp_div_2(&t1, &t1)) != MP_OKAY) goto cleanup; - /* t1 = (Q + 1) / 2 */ - if ((res = mp_exptmod(n, &t1, prime, &R)) != MP_OKAY) goto cleanup; - /* R = n ^ ((Q + 1) / 2) mod prime */ - if ((res = mp_exptmod(n, &Q, prime, &T)) != MP_OKAY) goto cleanup; - /* T = n ^ Q mod prime */ - if ((res = mp_copy(&S, &M)) != MP_OKAY) goto cleanup; - /* M = S */ - if ((res = mp_set_int(&two, 2)) != MP_OKAY) goto cleanup; + if ((res = mp_exptmod(&Z, &Q, prime, &C)) != MP_OKAY) goto cleanup; + /* C = Z ^ Q mod prime */ + if ((res = mp_add_d(&Q, 1, &t1)) != MP_OKAY) goto cleanup; + if ((res = mp_div_2(&t1, &t1)) != MP_OKAY) goto cleanup; + /* t1 = (Q + 1) / 2 */ + if ((res = mp_exptmod(n, &t1, prime, &R)) != MP_OKAY) goto cleanup; + /* R = n ^ ((Q + 1) / 2) mod prime */ + if ((res = mp_exptmod(n, &Q, prime, &T)) != MP_OKAY) goto cleanup; + /* T = n ^ Q mod prime */ + if ((res = mp_copy(&S, &M)) != MP_OKAY) goto cleanup; + /* M = S */ + if ((res = mp_set_int(&two, 2)) != MP_OKAY) goto cleanup; - res = MP_VAL; - while (1) { - if ((res = mp_copy(&T, &t1)) != MP_OKAY) goto cleanup; - i = 0; - while (1) { - if (mp_cmp_d(&t1, 1) == MP_EQ) break; - if ((res = mp_exptmod(&t1, &two, prime, &t1)) != MP_OKAY) goto cleanup; - i++; - } - if (i == 0) { - if ((res = mp_copy(&R, ret)) != MP_OKAY) goto cleanup; - res = MP_OKAY; - goto cleanup; - } - if ((res = mp_sub_d(&M, i, &t1)) != MP_OKAY) goto cleanup; - if ((res = mp_sub_d(&t1, 1, &t1)) != MP_OKAY) goto cleanup; - if ((res = mp_exptmod(&two, &t1, prime, &t1)) != MP_OKAY) goto cleanup; - /* t1 = 2 ^ (M - i - 1) */ - if ((res = mp_exptmod(&C, &t1, prime, &t1)) != MP_OKAY) goto cleanup; - /* t1 = C ^ (2 ^ (M - i - 1)) mod prime */ - if ((res = mp_sqrmod(&t1, prime, &C)) != MP_OKAY) goto cleanup; - /* C = (t1 * t1) mod prime */ - if ((res = mp_mulmod(&R, &t1, prime, &R)) != MP_OKAY) goto cleanup; - /* R = (R * t1) mod prime */ - if ((res = mp_mulmod(&T, &C, prime, &T)) != MP_OKAY) goto cleanup; - /* T = (T * C) mod prime */ - mp_set(&M, i); - /* M = i */ - } + res = MP_VAL; + while (1) { + if ((res = mp_copy(&T, &t1)) != MP_OKAY) goto cleanup; + i = 0; + while (1) { + if (mp_cmp_d(&t1, 1) == MP_EQ) break; + if ((res = mp_exptmod(&t1, &two, prime, &t1)) != MP_OKAY) goto cleanup; + i++; + } + if (i == 0) { + if ((res = mp_copy(&R, ret)) != MP_OKAY) goto cleanup; + res = MP_OKAY; + goto cleanup; + } + if ((res = mp_sub_d(&M, i, &t1)) != MP_OKAY) goto cleanup; + if ((res = mp_sub_d(&t1, 1, &t1)) != MP_OKAY) goto cleanup; + if ((res = mp_exptmod(&two, &t1, prime, &t1)) != MP_OKAY) goto cleanup; + /* t1 = 2 ^ (M - i - 1) */ + if ((res = mp_exptmod(&C, &t1, prime, &t1)) != MP_OKAY) goto cleanup; + /* t1 = C ^ (2 ^ (M - i - 1)) mod prime */ + if ((res = mp_sqrmod(&t1, prime, &C)) != MP_OKAY) goto cleanup; + /* C = (t1 * t1) mod prime */ + if ((res = mp_mulmod(&R, &t1, prime, &R)) != MP_OKAY) goto cleanup; + /* R = (R * t1) mod prime */ + if ((res = mp_mulmod(&T, &C, prime, &T)) != MP_OKAY) goto cleanup; + /* T = (T * C) mod prime */ + mp_set(&M, i); + /* M = i */ + } cleanup: - mp_clear_multi(&t1, &C, &Q, &S, &Z, &M, &T, &R, &two, NULL); - return res; + mp_clear_multi(&t1, &C, &Q, &S, &Z, &M, &T, &R, &two, NULL); + return res; } #endif diff --git a/libtommath/bn_mp_sub.c b/libtommath/bn_mp_sub.c index 2f73faa..19cb65e 100644 --- a/libtommath/bn_mp_sub.c +++ b/libtommath/bn_mp_sub.c @@ -16,40 +16,39 @@ */ /* high level subtraction (handles signs) */ -int -mp_sub (mp_int * a, mp_int * b, mp_int * c) +int mp_sub(const mp_int *a, const mp_int *b, mp_int *c) { - int sa, sb, res; + int sa, sb, res; - sa = a->sign; - sb = b->sign; + sa = a->sign; + sb = b->sign; - if (sa != sb) { - /* subtract a negative from a positive, OR */ - /* subtract a positive from a negative. */ - /* In either case, ADD their magnitudes, */ - /* and use the sign of the first number. */ - c->sign = sa; - res = s_mp_add (a, b, c); - } else { - /* subtract a positive from a positive, OR */ - /* subtract a negative from a negative. */ - /* First, take the difference between their */ - /* magnitudes, then... */ - if (mp_cmp_mag (a, b) != MP_LT) { - /* Copy the sign from the first */ + if (sa != sb) { + /* subtract a negative from a positive, OR */ + /* subtract a positive from a negative. */ + /* In either case, ADD their magnitudes, */ + /* and use the sign of the first number. */ c->sign = sa; - /* The first has a larger or equal magnitude */ - res = s_mp_sub (a, b, c); - } else { - /* The result has the *opposite* sign from */ - /* the first number. */ - c->sign = (sa == MP_ZPOS) ? MP_NEG : MP_ZPOS; - /* The second has a larger magnitude */ - res = s_mp_sub (b, a, c); - } - } - return res; + res = s_mp_add(a, b, c); + } else { + /* subtract a positive from a positive, OR */ + /* subtract a negative from a negative. */ + /* First, take the difference between their */ + /* magnitudes, then... */ + if (mp_cmp_mag(a, b) != MP_LT) { + /* Copy the sign from the first */ + c->sign = sa; + /* The first has a larger or equal magnitude */ + res = s_mp_sub(a, b, c); + } else { + /* The result has the *opposite* sign from */ + /* the first number. */ + c->sign = (sa == MP_ZPOS) ? MP_NEG : MP_ZPOS; + /* The second has a larger magnitude */ + res = s_mp_sub(b, a, c); + } + } + return res; } #endif diff --git a/libtommath/bn_mp_sub_d.c b/libtommath/bn_mp_sub_d.c index 5e96030..4d66a90 100644 --- a/libtommath/bn_mp_sub_d.c +++ b/libtommath/bn_mp_sub_d.c @@ -16,74 +16,74 @@ */ /* single digit subtraction */ -int -mp_sub_d (mp_int * a, mp_digit b, mp_int * c) +int mp_sub_d(const mp_int *a, mp_digit b, mp_int *c) { - mp_digit *tmpa, *tmpc, mu; - int res, ix, oldused; + mp_digit *tmpa, *tmpc, mu; + int res, ix, oldused; - /* grow c as required */ - if (c->alloc < (a->used + 1)) { - if ((res = mp_grow(c, a->used + 1)) != MP_OKAY) { - return res; - } - } + /* grow c as required */ + if (c->alloc < (a->used + 1)) { + if ((res = mp_grow(c, a->used + 1)) != MP_OKAY) { + return res; + } + } - /* if a is negative just do an unsigned - * addition [with fudged signs] - */ - if (a->sign == MP_NEG) { - a->sign = MP_ZPOS; - res = mp_add_d(a, b, c); - a->sign = c->sign = MP_NEG; + /* if a is negative just do an unsigned + * addition [with fudged signs] + */ + if (a->sign == MP_NEG) { + mp_int a_ = *a; + a_.sign = MP_ZPOS; + res = mp_add_d(&a_, b, c); + c->sign = MP_NEG; - /* clamp */ - mp_clamp(c); + /* clamp */ + mp_clamp(c); - return res; - } + return res; + } - /* setup regs */ - oldused = c->used; - tmpa = a->dp; - tmpc = c->dp; + /* setup regs */ + oldused = c->used; + tmpa = a->dp; + tmpc = c->dp; - /* if a <= b simply fix the single digit */ - if (((a->used == 1) && (a->dp[0] <= b)) || (a->used == 0)) { - if (a->used == 1) { - *tmpc++ = b - *tmpa; - } else { - *tmpc++ = b; - } - ix = 1; + /* if a <= b simply fix the single digit */ + if (((a->used == 1) && (a->dp[0] <= b)) || (a->used == 0)) { + if (a->used == 1) { + *tmpc++ = b - *tmpa; + } else { + *tmpc++ = b; + } + ix = 1; - /* negative/1digit */ - c->sign = MP_NEG; - c->used = 1; - } else { - /* positive/size */ - c->sign = MP_ZPOS; - c->used = a->used; + /* negative/1digit */ + c->sign = MP_NEG; + c->used = 1; + } else { + /* positive/size */ + c->sign = MP_ZPOS; + c->used = a->used; - /* subtract first digit */ - *tmpc = *tmpa++ - b; - mu = *tmpc >> ((sizeof(mp_digit) * CHAR_BIT) - 1); - *tmpc++ &= MP_MASK; + /* subtract first digit */ + *tmpc = *tmpa++ - b; + mu = *tmpc >> ((sizeof(mp_digit) * CHAR_BIT) - 1); + *tmpc++ &= MP_MASK; - /* handle rest of the digits */ - for (ix = 1; ix < a->used; ix++) { - *tmpc = *tmpa++ - mu; - mu = *tmpc >> ((sizeof(mp_digit) * CHAR_BIT) - 1); - *tmpc++ &= MP_MASK; - } - } + /* handle rest of the digits */ + for (ix = 1; ix < a->used; ix++) { + *tmpc = *tmpa++ - mu; + mu = *tmpc >> ((sizeof(mp_digit) * CHAR_BIT) - 1); + *tmpc++ &= MP_MASK; + } + } - /* zero excess digits */ - while (ix++ < oldused) { - *tmpc++ = 0; - } - mp_clamp(c); - return MP_OKAY; + /* zero excess digits */ + while (ix++ < oldused) { + *tmpc++ = 0; + } + mp_clamp(c); + return MP_OKAY; } #endif diff --git a/libtommath/bn_mp_submod.c b/libtommath/bn_mp_submod.c index 138863c..c4db397 100644 --- a/libtommath/bn_mp_submod.c +++ b/libtommath/bn_mp_submod.c @@ -16,24 +16,23 @@ */ /* d = a - b (mod c) */ -int -mp_submod (mp_int * a, mp_int * b, mp_int * c, mp_int * d) +int mp_submod(const mp_int *a, const mp_int *b, const mp_int *c, mp_int *d) { - int res; - mp_int t; + int res; + mp_int t; - if ((res = mp_init (&t)) != MP_OKAY) { - return res; - } + if ((res = mp_init(&t)) != MP_OKAY) { + return res; + } - if ((res = mp_sub (a, b, &t)) != MP_OKAY) { - mp_clear (&t); - return res; - } - res = mp_mod (&t, c, d); - mp_clear (&t); - return res; + if ((res = mp_sub(a, b, &t)) != MP_OKAY) { + mp_clear(&t); + return res; + } + res = mp_mod(&t, c, d); + mp_clear(&t); + return res; } #endif diff --git a/libtommath/bn_mp_to_signed_bin.c b/libtommath/bn_mp_to_signed_bin.c index c49c87d..4d4be88 100644 --- a/libtommath/bn_mp_to_signed_bin.c +++ b/libtommath/bn_mp_to_signed_bin.c @@ -16,15 +16,15 @@ */ /* store in signed [big endian] format */ -int mp_to_signed_bin (mp_int * a, unsigned char *b) +int mp_to_signed_bin(const mp_int *a, unsigned char *b) { - int res; + int res; - if ((res = mp_to_unsigned_bin (a, b + 1)) != MP_OKAY) { - return res; - } - b[0] = (a->sign == MP_ZPOS) ? (unsigned char)0 : (unsigned char)1; - return MP_OKAY; + if ((res = mp_to_unsigned_bin(a, b + 1)) != MP_OKAY) { + return res; + } + b[0] = (a->sign == MP_ZPOS) ? (unsigned char)0 : (unsigned char)1; + return MP_OKAY; } #endif diff --git a/libtommath/bn_mp_to_signed_bin_n.c b/libtommath/bn_mp_to_signed_bin_n.c index dc5ec26..1447624 100644 --- a/libtommath/bn_mp_to_signed_bin_n.c +++ b/libtommath/bn_mp_to_signed_bin_n.c @@ -16,7 +16,7 @@ */ /* store in signed [big endian] format */ -int mp_to_signed_bin_n (mp_int * a, unsigned char *b, unsigned long *outlen) +int mp_to_signed_bin_n(const mp_int *a, unsigned char *b, unsigned long *outlen) { if (*outlen < (unsigned long)mp_signed_bin_size(a)) { return MP_VAL; diff --git a/libtommath/bn_mp_to_unsigned_bin.c b/libtommath/bn_mp_to_unsigned_bin.c index d249359..9339cce 100644 --- a/libtommath/bn_mp_to_unsigned_bin.c +++ b/libtommath/bn_mp_to_unsigned_bin.c @@ -16,30 +16,30 @@ */ /* store in unsigned [big endian] format */ -int mp_to_unsigned_bin (mp_int * a, unsigned char *b) +int mp_to_unsigned_bin(const mp_int *a, unsigned char *b) { - int x, res; - mp_int t; + int x, res; + mp_int t; - if ((res = mp_init_copy (&t, a)) != MP_OKAY) { - return res; - } + if ((res = mp_init_copy(&t, a)) != MP_OKAY) { + return res; + } - x = 0; - while (mp_iszero (&t) == MP_NO) { + x = 0; + while (mp_iszero(&t) == MP_NO) { #ifndef MP_8BIT - b[x++] = (unsigned char) (t.dp[0] & 255); + b[x++] = (unsigned char)(t.dp[0] & 255); #else - b[x++] = (unsigned char) (t.dp[0] | ((t.dp[1] & 0x01) << 7)); + b[x++] = (unsigned char)(t.dp[0] | ((t.dp[1] & 0x01) << 7)); #endif - if ((res = mp_div_2d (&t, 8, &t, NULL)) != MP_OKAY) { - mp_clear (&t); - return res; - } - } - bn_reverse (b, x); - mp_clear (&t); - return MP_OKAY; + if ((res = mp_div_2d(&t, 8, &t, NULL)) != MP_OKAY) { + mp_clear(&t); + return res; + } + } + bn_reverse(b, x); + mp_clear(&t); + return MP_OKAY; } #endif diff --git a/libtommath/bn_mp_to_unsigned_bin_n.c b/libtommath/bn_mp_to_unsigned_bin_n.c index f671621..707dc82 100644 --- a/libtommath/bn_mp_to_unsigned_bin_n.c +++ b/libtommath/bn_mp_to_unsigned_bin_n.c @@ -16,7 +16,7 @@ */ /* store in unsigned [big endian] format */ -int mp_to_unsigned_bin_n (mp_int * a, unsigned char *b, unsigned long *outlen) +int mp_to_unsigned_bin_n(const mp_int *a, unsigned char *b, unsigned long *outlen) { if (*outlen < (unsigned long)mp_unsigned_bin_size(a)) { return MP_VAL; diff --git a/libtommath/bn_mp_toom_mul.c b/libtommath/bn_mp_toom_mul.c index 4a574fc..3554ea8 100644 --- a/libtommath/bn_mp_toom_mul.c +++ b/libtommath/bn_mp_toom_mul.c @@ -22,261 +22,261 @@ * only particularly useful on VERY large inputs * (we're talking 1000s of digits here...). */ -int mp_toom_mul(mp_int *a, mp_int *b, mp_int *c) +int mp_toom_mul(const mp_int *a, const mp_int *b, mp_int *c) { - mp_int w0, w1, w2, w3, w4, tmp1, tmp2, a0, a1, a2, b0, b1, b2; - int res, B; + mp_int w0, w1, w2, w3, w4, tmp1, tmp2, a0, a1, a2, b0, b1, b2; + int res, B; - /* init temps */ - if ((res = mp_init_multi(&w0, &w1, &w2, &w3, &w4, - &a0, &a1, &a2, &b0, &b1, - &b2, &tmp1, &tmp2, NULL)) != MP_OKAY) { - return res; - } + /* init temps */ + if ((res = mp_init_multi(&w0, &w1, &w2, &w3, &w4, + &a0, &a1, &a2, &b0, &b1, + &b2, &tmp1, &tmp2, NULL)) != MP_OKAY) { + return res; + } - /* B */ - B = MIN(a->used, b->used) / 3; + /* B */ + B = MIN(a->used, b->used) / 3; - /* a = a2 * B**2 + a1 * B + a0 */ - if ((res = mp_mod_2d(a, DIGIT_BIT * B, &a0)) != MP_OKAY) { - goto ERR; - } + /* a = a2 * B**2 + a1 * B + a0 */ + if ((res = mp_mod_2d(a, DIGIT_BIT * B, &a0)) != MP_OKAY) { + goto ERR; + } - if ((res = mp_copy(a, &a1)) != MP_OKAY) { - goto ERR; - } - mp_rshd(&a1, B); - if ((res = mp_mod_2d(&a1, DIGIT_BIT * B, &a1)) != MP_OKAY) { - goto ERR; - } + if ((res = mp_copy(a, &a1)) != MP_OKAY) { + goto ERR; + } + mp_rshd(&a1, B); + if ((res = mp_mod_2d(&a1, DIGIT_BIT * B, &a1)) != MP_OKAY) { + goto ERR; + } - if ((res = mp_copy(a, &a2)) != MP_OKAY) { - goto ERR; - } - mp_rshd(&a2, B*2); + if ((res = mp_copy(a, &a2)) != MP_OKAY) { + goto ERR; + } + mp_rshd(&a2, B*2); - /* b = b2 * B**2 + b1 * B + b0 */ - if ((res = mp_mod_2d(b, DIGIT_BIT * B, &b0)) != MP_OKAY) { - goto ERR; - } + /* b = b2 * B**2 + b1 * B + b0 */ + if ((res = mp_mod_2d(b, DIGIT_BIT * B, &b0)) != MP_OKAY) { + goto ERR; + } - if ((res = mp_copy(b, &b1)) != MP_OKAY) { - goto ERR; - } - mp_rshd(&b1, B); - (void)mp_mod_2d(&b1, DIGIT_BIT * B, &b1); + if ((res = mp_copy(b, &b1)) != MP_OKAY) { + goto ERR; + } + mp_rshd(&b1, B); + (void)mp_mod_2d(&b1, DIGIT_BIT * B, &b1); - if ((res = mp_copy(b, &b2)) != MP_OKAY) { - goto ERR; - } - mp_rshd(&b2, B*2); + if ((res = mp_copy(b, &b2)) != MP_OKAY) { + goto ERR; + } + mp_rshd(&b2, B*2); - /* w0 = a0*b0 */ - if ((res = mp_mul(&a0, &b0, &w0)) != MP_OKAY) { - goto ERR; - } + /* w0 = a0*b0 */ + if ((res = mp_mul(&a0, &b0, &w0)) != MP_OKAY) { + goto ERR; + } - /* w4 = a2 * b2 */ - if ((res = mp_mul(&a2, &b2, &w4)) != MP_OKAY) { - goto ERR; - } + /* w4 = a2 * b2 */ + if ((res = mp_mul(&a2, &b2, &w4)) != MP_OKAY) { + goto ERR; + } - /* w1 = (a2 + 2(a1 + 2a0))(b2 + 2(b1 + 2b0)) */ - if ((res = mp_mul_2(&a0, &tmp1)) != MP_OKAY) { - goto ERR; - } - if ((res = mp_add(&tmp1, &a1, &tmp1)) != MP_OKAY) { - goto ERR; - } - if ((res = mp_mul_2(&tmp1, &tmp1)) != MP_OKAY) { - goto ERR; - } - if ((res = mp_add(&tmp1, &a2, &tmp1)) != MP_OKAY) { - goto ERR; - } + /* w1 = (a2 + 2(a1 + 2a0))(b2 + 2(b1 + 2b0)) */ + if ((res = mp_mul_2(&a0, &tmp1)) != MP_OKAY) { + goto ERR; + } + if ((res = mp_add(&tmp1, &a1, &tmp1)) != MP_OKAY) { + goto ERR; + } + if ((res = mp_mul_2(&tmp1, &tmp1)) != MP_OKAY) { + goto ERR; + } + if ((res = mp_add(&tmp1, &a2, &tmp1)) != MP_OKAY) { + goto ERR; + } - if ((res = mp_mul_2(&b0, &tmp2)) != MP_OKAY) { - goto ERR; - } - if ((res = mp_add(&tmp2, &b1, &tmp2)) != MP_OKAY) { - goto ERR; - } - if ((res = mp_mul_2(&tmp2, &tmp2)) != MP_OKAY) { - goto ERR; - } - if ((res = mp_add(&tmp2, &b2, &tmp2)) != MP_OKAY) { - goto ERR; - } + if ((res = mp_mul_2(&b0, &tmp2)) != MP_OKAY) { + goto ERR; + } + if ((res = mp_add(&tmp2, &b1, &tmp2)) != MP_OKAY) { + goto ERR; + } + if ((res = mp_mul_2(&tmp2, &tmp2)) != MP_OKAY) { + goto ERR; + } + if ((res = mp_add(&tmp2, &b2, &tmp2)) != MP_OKAY) { + goto ERR; + } - if ((res = mp_mul(&tmp1, &tmp2, &w1)) != MP_OKAY) { - goto ERR; - } + if ((res = mp_mul(&tmp1, &tmp2, &w1)) != MP_OKAY) { + goto ERR; + } - /* w3 = (a0 + 2(a1 + 2a2))(b0 + 2(b1 + 2b2)) */ - if ((res = mp_mul_2(&a2, &tmp1)) != MP_OKAY) { - goto ERR; - } - if ((res = mp_add(&tmp1, &a1, &tmp1)) != MP_OKAY) { - goto ERR; - } - if ((res = mp_mul_2(&tmp1, &tmp1)) != MP_OKAY) { - goto ERR; - } - if ((res = mp_add(&tmp1, &a0, &tmp1)) != MP_OKAY) { - goto ERR; - } + /* w3 = (a0 + 2(a1 + 2a2))(b0 + 2(b1 + 2b2)) */ + if ((res = mp_mul_2(&a2, &tmp1)) != MP_OKAY) { + goto ERR; + } + if ((res = mp_add(&tmp1, &a1, &tmp1)) != MP_OKAY) { + goto ERR; + } + if ((res = mp_mul_2(&tmp1, &tmp1)) != MP_OKAY) { + goto ERR; + } + if ((res = mp_add(&tmp1, &a0, &tmp1)) != MP_OKAY) { + goto ERR; + } - if ((res = mp_mul_2(&b2, &tmp2)) != MP_OKAY) { - goto ERR; - } - if ((res = mp_add(&tmp2, &b1, &tmp2)) != MP_OKAY) { - goto ERR; - } - if ((res = mp_mul_2(&tmp2, &tmp2)) != MP_OKAY) { - goto ERR; - } - if ((res = mp_add(&tmp2, &b0, &tmp2)) != MP_OKAY) { - goto ERR; - } + if ((res = mp_mul_2(&b2, &tmp2)) != MP_OKAY) { + goto ERR; + } + if ((res = mp_add(&tmp2, &b1, &tmp2)) != MP_OKAY) { + goto ERR; + } + if ((res = mp_mul_2(&tmp2, &tmp2)) != MP_OKAY) { + goto ERR; + } + if ((res = mp_add(&tmp2, &b0, &tmp2)) != MP_OKAY) { + goto ERR; + } - if ((res = mp_mul(&tmp1, &tmp2, &w3)) != MP_OKAY) { - goto ERR; - } + if ((res = mp_mul(&tmp1, &tmp2, &w3)) != MP_OKAY) { + goto ERR; + } - /* w2 = (a2 + a1 + a0)(b2 + b1 + b0) */ - if ((res = mp_add(&a2, &a1, &tmp1)) != MP_OKAY) { - goto ERR; - } - if ((res = mp_add(&tmp1, &a0, &tmp1)) != MP_OKAY) { - goto ERR; - } - if ((res = mp_add(&b2, &b1, &tmp2)) != MP_OKAY) { - goto ERR; - } - if ((res = mp_add(&tmp2, &b0, &tmp2)) != MP_OKAY) { - goto ERR; - } - if ((res = mp_mul(&tmp1, &tmp2, &w2)) != MP_OKAY) { - goto ERR; - } + /* w2 = (a2 + a1 + a0)(b2 + b1 + b0) */ + if ((res = mp_add(&a2, &a1, &tmp1)) != MP_OKAY) { + goto ERR; + } + if ((res = mp_add(&tmp1, &a0, &tmp1)) != MP_OKAY) { + goto ERR; + } + if ((res = mp_add(&b2, &b1, &tmp2)) != MP_OKAY) { + goto ERR; + } + if ((res = mp_add(&tmp2, &b0, &tmp2)) != MP_OKAY) { + goto ERR; + } + if ((res = mp_mul(&tmp1, &tmp2, &w2)) != MP_OKAY) { + goto ERR; + } - /* now solve the matrix + /* now solve the matrix - 0 0 0 0 1 - 1 2 4 8 16 - 1 1 1 1 1 - 16 8 4 2 1 - 1 0 0 0 0 + 0 0 0 0 1 + 1 2 4 8 16 + 1 1 1 1 1 + 16 8 4 2 1 + 1 0 0 0 0 - using 12 subtractions, 4 shifts, - 2 small divisions and 1 small multiplication - */ + using 12 subtractions, 4 shifts, + 2 small divisions and 1 small multiplication + */ - /* r1 - r4 */ - if ((res = mp_sub(&w1, &w4, &w1)) != MP_OKAY) { - goto ERR; - } - /* r3 - r0 */ - if ((res = mp_sub(&w3, &w0, &w3)) != MP_OKAY) { - goto ERR; - } - /* r1/2 */ - if ((res = mp_div_2(&w1, &w1)) != MP_OKAY) { - goto ERR; - } - /* r3/2 */ - if ((res = mp_div_2(&w3, &w3)) != MP_OKAY) { - goto ERR; - } - /* r2 - r0 - r4 */ - if ((res = mp_sub(&w2, &w0, &w2)) != MP_OKAY) { - goto ERR; - } - if ((res = mp_sub(&w2, &w4, &w2)) != MP_OKAY) { - goto ERR; - } - /* r1 - r2 */ - if ((res = mp_sub(&w1, &w2, &w1)) != MP_OKAY) { - goto ERR; - } - /* r3 - r2 */ - if ((res = mp_sub(&w3, &w2, &w3)) != MP_OKAY) { - goto ERR; - } - /* r1 - 8r0 */ - if ((res = mp_mul_2d(&w0, 3, &tmp1)) != MP_OKAY) { - goto ERR; - } - if ((res = mp_sub(&w1, &tmp1, &w1)) != MP_OKAY) { - goto ERR; - } - /* r3 - 8r4 */ - if ((res = mp_mul_2d(&w4, 3, &tmp1)) != MP_OKAY) { - goto ERR; - } - if ((res = mp_sub(&w3, &tmp1, &w3)) != MP_OKAY) { - goto ERR; - } - /* 3r2 - r1 - r3 */ - if ((res = mp_mul_d(&w2, 3, &w2)) != MP_OKAY) { - goto ERR; - } - if ((res = mp_sub(&w2, &w1, &w2)) != MP_OKAY) { - goto ERR; - } - if ((res = mp_sub(&w2, &w3, &w2)) != MP_OKAY) { - goto ERR; - } - /* r1 - r2 */ - if ((res = mp_sub(&w1, &w2, &w1)) != MP_OKAY) { - goto ERR; - } - /* r3 - r2 */ - if ((res = mp_sub(&w3, &w2, &w3)) != MP_OKAY) { - goto ERR; - } - /* r1/3 */ - if ((res = mp_div_3(&w1, &w1, NULL)) != MP_OKAY) { - goto ERR; - } - /* r3/3 */ - if ((res = mp_div_3(&w3, &w3, NULL)) != MP_OKAY) { - goto ERR; - } + /* r1 - r4 */ + if ((res = mp_sub(&w1, &w4, &w1)) != MP_OKAY) { + goto ERR; + } + /* r3 - r0 */ + if ((res = mp_sub(&w3, &w0, &w3)) != MP_OKAY) { + goto ERR; + } + /* r1/2 */ + if ((res = mp_div_2(&w1, &w1)) != MP_OKAY) { + goto ERR; + } + /* r3/2 */ + if ((res = mp_div_2(&w3, &w3)) != MP_OKAY) { + goto ERR; + } + /* r2 - r0 - r4 */ + if ((res = mp_sub(&w2, &w0, &w2)) != MP_OKAY) { + goto ERR; + } + if ((res = mp_sub(&w2, &w4, &w2)) != MP_OKAY) { + goto ERR; + } + /* r1 - r2 */ + if ((res = mp_sub(&w1, &w2, &w1)) != MP_OKAY) { + goto ERR; + } + /* r3 - r2 */ + if ((res = mp_sub(&w3, &w2, &w3)) != MP_OKAY) { + goto ERR; + } + /* r1 - 8r0 */ + if ((res = mp_mul_2d(&w0, 3, &tmp1)) != MP_OKAY) { + goto ERR; + } + if ((res = mp_sub(&w1, &tmp1, &w1)) != MP_OKAY) { + goto ERR; + } + /* r3 - 8r4 */ + if ((res = mp_mul_2d(&w4, 3, &tmp1)) != MP_OKAY) { + goto ERR; + } + if ((res = mp_sub(&w3, &tmp1, &w3)) != MP_OKAY) { + goto ERR; + } + /* 3r2 - r1 - r3 */ + if ((res = mp_mul_d(&w2, 3, &w2)) != MP_OKAY) { + goto ERR; + } + if ((res = mp_sub(&w2, &w1, &w2)) != MP_OKAY) { + goto ERR; + } + if ((res = mp_sub(&w2, &w3, &w2)) != MP_OKAY) { + goto ERR; + } + /* r1 - r2 */ + if ((res = mp_sub(&w1, &w2, &w1)) != MP_OKAY) { + goto ERR; + } + /* r3 - r2 */ + if ((res = mp_sub(&w3, &w2, &w3)) != MP_OKAY) { + goto ERR; + } + /* r1/3 */ + if ((res = mp_div_3(&w1, &w1, NULL)) != MP_OKAY) { + goto ERR; + } + /* r3/3 */ + if ((res = mp_div_3(&w3, &w3, NULL)) != MP_OKAY) { + goto ERR; + } - /* at this point shift W[n] by B*n */ - if ((res = mp_lshd(&w1, 1*B)) != MP_OKAY) { - goto ERR; - } - if ((res = mp_lshd(&w2, 2*B)) != MP_OKAY) { - goto ERR; - } - if ((res = mp_lshd(&w3, 3*B)) != MP_OKAY) { - goto ERR; - } - if ((res = mp_lshd(&w4, 4*B)) != MP_OKAY) { - goto ERR; - } + /* at this point shift W[n] by B*n */ + if ((res = mp_lshd(&w1, 1*B)) != MP_OKAY) { + goto ERR; + } + if ((res = mp_lshd(&w2, 2*B)) != MP_OKAY) { + goto ERR; + } + if ((res = mp_lshd(&w3, 3*B)) != MP_OKAY) { + goto ERR; + } + if ((res = mp_lshd(&w4, 4*B)) != MP_OKAY) { + goto ERR; + } - if ((res = mp_add(&w0, &w1, c)) != MP_OKAY) { - goto ERR; - } - if ((res = mp_add(&w2, &w3, &tmp1)) != MP_OKAY) { - goto ERR; - } - if ((res = mp_add(&w4, &tmp1, &tmp1)) != MP_OKAY) { - goto ERR; - } - if ((res = mp_add(&tmp1, c, c)) != MP_OKAY) { - goto ERR; - } + if ((res = mp_add(&w0, &w1, c)) != MP_OKAY) { + goto ERR; + } + if ((res = mp_add(&w2, &w3, &tmp1)) != MP_OKAY) { + goto ERR; + } + if ((res = mp_add(&w4, &tmp1, &tmp1)) != MP_OKAY) { + goto ERR; + } + if ((res = mp_add(&tmp1, c, c)) != MP_OKAY) { + goto ERR; + } ERR: - mp_clear_multi(&w0, &w1, &w2, &w3, &w4, - &a0, &a1, &a2, &b0, &b1, - &b2, &tmp1, &tmp2, NULL); - return res; + mp_clear_multi(&w0, &w1, &w2, &w3, &w4, + &a0, &a1, &a2, &b0, &b1, + &b2, &tmp1, &tmp2, NULL); + return res; } #endif diff --git a/libtommath/bn_mp_toom_sqr.c b/libtommath/bn_mp_toom_sqr.c index 0a38192..b985435 100644 --- a/libtommath/bn_mp_toom_sqr.c +++ b/libtommath/bn_mp_toom_sqr.c @@ -16,209 +16,208 @@ */ /* squaring using Toom-Cook 3-way algorithm */ -int -mp_toom_sqr(mp_int *a, mp_int *b) +int mp_toom_sqr(const mp_int *a, mp_int *b) { - mp_int w0, w1, w2, w3, w4, tmp1, a0, a1, a2; - int res, B; - - /* init temps */ - if ((res = mp_init_multi(&w0, &w1, &w2, &w3, &w4, &a0, &a1, &a2, &tmp1, NULL)) != MP_OKAY) { - return res; - } - - /* B */ - B = a->used / 3; - - /* a = a2 * B**2 + a1 * B + a0 */ - if ((res = mp_mod_2d(a, DIGIT_BIT * B, &a0)) != MP_OKAY) { - goto ERR; - } - - if ((res = mp_copy(a, &a1)) != MP_OKAY) { - goto ERR; - } - mp_rshd(&a1, B); - if ((res = mp_mod_2d(&a1, DIGIT_BIT * B, &a1)) != MP_OKAY) { - goto ERR; - } - - if ((res = mp_copy(a, &a2)) != MP_OKAY) { - goto ERR; - } - mp_rshd(&a2, B*2); - - /* w0 = a0*a0 */ - if ((res = mp_sqr(&a0, &w0)) != MP_OKAY) { - goto ERR; - } - - /* w4 = a2 * a2 */ - if ((res = mp_sqr(&a2, &w4)) != MP_OKAY) { - goto ERR; - } - - /* w1 = (a2 + 2(a1 + 2a0))**2 */ - if ((res = mp_mul_2(&a0, &tmp1)) != MP_OKAY) { - goto ERR; - } - if ((res = mp_add(&tmp1, &a1, &tmp1)) != MP_OKAY) { - goto ERR; - } - if ((res = mp_mul_2(&tmp1, &tmp1)) != MP_OKAY) { - goto ERR; - } - if ((res = mp_add(&tmp1, &a2, &tmp1)) != MP_OKAY) { - goto ERR; - } - - if ((res = mp_sqr(&tmp1, &w1)) != MP_OKAY) { - goto ERR; - } - - /* w3 = (a0 + 2(a1 + 2a2))**2 */ - if ((res = mp_mul_2(&a2, &tmp1)) != MP_OKAY) { - goto ERR; - } - if ((res = mp_add(&tmp1, &a1, &tmp1)) != MP_OKAY) { - goto ERR; - } - if ((res = mp_mul_2(&tmp1, &tmp1)) != MP_OKAY) { - goto ERR; - } - if ((res = mp_add(&tmp1, &a0, &tmp1)) != MP_OKAY) { - goto ERR; - } - - if ((res = mp_sqr(&tmp1, &w3)) != MP_OKAY) { - goto ERR; - } - - - /* w2 = (a2 + a1 + a0)**2 */ - if ((res = mp_add(&a2, &a1, &tmp1)) != MP_OKAY) { - goto ERR; - } - if ((res = mp_add(&tmp1, &a0, &tmp1)) != MP_OKAY) { - goto ERR; - } - if ((res = mp_sqr(&tmp1, &w2)) != MP_OKAY) { - goto ERR; - } - - /* now solve the matrix - - 0 0 0 0 1 - 1 2 4 8 16 - 1 1 1 1 1 - 16 8 4 2 1 - 1 0 0 0 0 - - using 12 subtractions, 4 shifts, 2 small divisions and 1 small multiplication. - */ - - /* r1 - r4 */ - if ((res = mp_sub(&w1, &w4, &w1)) != MP_OKAY) { - goto ERR; - } - /* r3 - r0 */ - if ((res = mp_sub(&w3, &w0, &w3)) != MP_OKAY) { - goto ERR; - } - /* r1/2 */ - if ((res = mp_div_2(&w1, &w1)) != MP_OKAY) { - goto ERR; - } - /* r3/2 */ - if ((res = mp_div_2(&w3, &w3)) != MP_OKAY) { - goto ERR; - } - /* r2 - r0 - r4 */ - if ((res = mp_sub(&w2, &w0, &w2)) != MP_OKAY) { - goto ERR; - } - if ((res = mp_sub(&w2, &w4, &w2)) != MP_OKAY) { - goto ERR; - } - /* r1 - r2 */ - if ((res = mp_sub(&w1, &w2, &w1)) != MP_OKAY) { - goto ERR; - } - /* r3 - r2 */ - if ((res = mp_sub(&w3, &w2, &w3)) != MP_OKAY) { - goto ERR; - } - /* r1 - 8r0 */ - if ((res = mp_mul_2d(&w0, 3, &tmp1)) != MP_OKAY) { - goto ERR; - } - if ((res = mp_sub(&w1, &tmp1, &w1)) != MP_OKAY) { - goto ERR; - } - /* r3 - 8r4 */ - if ((res = mp_mul_2d(&w4, 3, &tmp1)) != MP_OKAY) { - goto ERR; - } - if ((res = mp_sub(&w3, &tmp1, &w3)) != MP_OKAY) { - goto ERR; - } - /* 3r2 - r1 - r3 */ - if ((res = mp_mul_d(&w2, 3, &w2)) != MP_OKAY) { - goto ERR; - } - if ((res = mp_sub(&w2, &w1, &w2)) != MP_OKAY) { - goto ERR; - } - if ((res = mp_sub(&w2, &w3, &w2)) != MP_OKAY) { - goto ERR; - } - /* r1 - r2 */ - if ((res = mp_sub(&w1, &w2, &w1)) != MP_OKAY) { - goto ERR; - } - /* r3 - r2 */ - if ((res = mp_sub(&w3, &w2, &w3)) != MP_OKAY) { - goto ERR; - } - /* r1/3 */ - if ((res = mp_div_3(&w1, &w1, NULL)) != MP_OKAY) { - goto ERR; - } - /* r3/3 */ - if ((res = mp_div_3(&w3, &w3, NULL)) != MP_OKAY) { - goto ERR; - } - - /* at this point shift W[n] by B*n */ - if ((res = mp_lshd(&w1, 1*B)) != MP_OKAY) { - goto ERR; - } - if ((res = mp_lshd(&w2, 2*B)) != MP_OKAY) { - goto ERR; - } - if ((res = mp_lshd(&w3, 3*B)) != MP_OKAY) { - goto ERR; - } - if ((res = mp_lshd(&w4, 4*B)) != MP_OKAY) { - goto ERR; - } - - if ((res = mp_add(&w0, &w1, b)) != MP_OKAY) { - goto ERR; - } - if ((res = mp_add(&w2, &w3, &tmp1)) != MP_OKAY) { - goto ERR; - } - if ((res = mp_add(&w4, &tmp1, &tmp1)) != MP_OKAY) { - goto ERR; - } - if ((res = mp_add(&tmp1, b, b)) != MP_OKAY) { - goto ERR; - } + mp_int w0, w1, w2, w3, w4, tmp1, a0, a1, a2; + int res, B; + + /* init temps */ + if ((res = mp_init_multi(&w0, &w1, &w2, &w3, &w4, &a0, &a1, &a2, &tmp1, NULL)) != MP_OKAY) { + return res; + } + + /* B */ + B = a->used / 3; + + /* a = a2 * B**2 + a1 * B + a0 */ + if ((res = mp_mod_2d(a, DIGIT_BIT * B, &a0)) != MP_OKAY) { + goto ERR; + } + + if ((res = mp_copy(a, &a1)) != MP_OKAY) { + goto ERR; + } + mp_rshd(&a1, B); + if ((res = mp_mod_2d(&a1, DIGIT_BIT * B, &a1)) != MP_OKAY) { + goto ERR; + } + + if ((res = mp_copy(a, &a2)) != MP_OKAY) { + goto ERR; + } + mp_rshd(&a2, B*2); + + /* w0 = a0*a0 */ + if ((res = mp_sqr(&a0, &w0)) != MP_OKAY) { + goto ERR; + } + + /* w4 = a2 * a2 */ + if ((res = mp_sqr(&a2, &w4)) != MP_OKAY) { + goto ERR; + } + + /* w1 = (a2 + 2(a1 + 2a0))**2 */ + if ((res = mp_mul_2(&a0, &tmp1)) != MP_OKAY) { + goto ERR; + } + if ((res = mp_add(&tmp1, &a1, &tmp1)) != MP_OKAY) { + goto ERR; + } + if ((res = mp_mul_2(&tmp1, &tmp1)) != MP_OKAY) { + goto ERR; + } + if ((res = mp_add(&tmp1, &a2, &tmp1)) != MP_OKAY) { + goto ERR; + } + + if ((res = mp_sqr(&tmp1, &w1)) != MP_OKAY) { + goto ERR; + } + + /* w3 = (a0 + 2(a1 + 2a2))**2 */ + if ((res = mp_mul_2(&a2, &tmp1)) != MP_OKAY) { + goto ERR; + } + if ((res = mp_add(&tmp1, &a1, &tmp1)) != MP_OKAY) { + goto ERR; + } + if ((res = mp_mul_2(&tmp1, &tmp1)) != MP_OKAY) { + goto ERR; + } + if ((res = mp_add(&tmp1, &a0, &tmp1)) != MP_OKAY) { + goto ERR; + } + + if ((res = mp_sqr(&tmp1, &w3)) != MP_OKAY) { + goto ERR; + } + + + /* w2 = (a2 + a1 + a0)**2 */ + if ((res = mp_add(&a2, &a1, &tmp1)) != MP_OKAY) { + goto ERR; + } + if ((res = mp_add(&tmp1, &a0, &tmp1)) != MP_OKAY) { + goto ERR; + } + if ((res = mp_sqr(&tmp1, &w2)) != MP_OKAY) { + goto ERR; + } + + /* now solve the matrix + + 0 0 0 0 1 + 1 2 4 8 16 + 1 1 1 1 1 + 16 8 4 2 1 + 1 0 0 0 0 + + using 12 subtractions, 4 shifts, 2 small divisions and 1 small multiplication. + */ + + /* r1 - r4 */ + if ((res = mp_sub(&w1, &w4, &w1)) != MP_OKAY) { + goto ERR; + } + /* r3 - r0 */ + if ((res = mp_sub(&w3, &w0, &w3)) != MP_OKAY) { + goto ERR; + } + /* r1/2 */ + if ((res = mp_div_2(&w1, &w1)) != MP_OKAY) { + goto ERR; + } + /* r3/2 */ + if ((res = mp_div_2(&w3, &w3)) != MP_OKAY) { + goto ERR; + } + /* r2 - r0 - r4 */ + if ((res = mp_sub(&w2, &w0, &w2)) != MP_OKAY) { + goto ERR; + } + if ((res = mp_sub(&w2, &w4, &w2)) != MP_OKAY) { + goto ERR; + } + /* r1 - r2 */ + if ((res = mp_sub(&w1, &w2, &w1)) != MP_OKAY) { + goto ERR; + } + /* r3 - r2 */ + if ((res = mp_sub(&w3, &w2, &w3)) != MP_OKAY) { + goto ERR; + } + /* r1 - 8r0 */ + if ((res = mp_mul_2d(&w0, 3, &tmp1)) != MP_OKAY) { + goto ERR; + } + if ((res = mp_sub(&w1, &tmp1, &w1)) != MP_OKAY) { + goto ERR; + } + /* r3 - 8r4 */ + if ((res = mp_mul_2d(&w4, 3, &tmp1)) != MP_OKAY) { + goto ERR; + } + if ((res = mp_sub(&w3, &tmp1, &w3)) != MP_OKAY) { + goto ERR; + } + /* 3r2 - r1 - r3 */ + if ((res = mp_mul_d(&w2, 3, &w2)) != MP_OKAY) { + goto ERR; + } + if ((res = mp_sub(&w2, &w1, &w2)) != MP_OKAY) { + goto ERR; + } + if ((res = mp_sub(&w2, &w3, &w2)) != MP_OKAY) { + goto ERR; + } + /* r1 - r2 */ + if ((res = mp_sub(&w1, &w2, &w1)) != MP_OKAY) { + goto ERR; + } + /* r3 - r2 */ + if ((res = mp_sub(&w3, &w2, &w3)) != MP_OKAY) { + goto ERR; + } + /* r1/3 */ + if ((res = mp_div_3(&w1, &w1, NULL)) != MP_OKAY) { + goto ERR; + } + /* r3/3 */ + if ((res = mp_div_3(&w3, &w3, NULL)) != MP_OKAY) { + goto ERR; + } + + /* at this point shift W[n] by B*n */ + if ((res = mp_lshd(&w1, 1*B)) != MP_OKAY) { + goto ERR; + } + if ((res = mp_lshd(&w2, 2*B)) != MP_OKAY) { + goto ERR; + } + if ((res = mp_lshd(&w3, 3*B)) != MP_OKAY) { + goto ERR; + } + if ((res = mp_lshd(&w4, 4*B)) != MP_OKAY) { + goto ERR; + } + + if ((res = mp_add(&w0, &w1, b)) != MP_OKAY) { + goto ERR; + } + if ((res = mp_add(&w2, &w3, &tmp1)) != MP_OKAY) { + goto ERR; + } + if ((res = mp_add(&w4, &tmp1, &tmp1)) != MP_OKAY) { + goto ERR; + } + if ((res = mp_add(&tmp1, b, b)) != MP_OKAY) { + goto ERR; + } ERR: - mp_clear_multi(&w0, &w1, &w2, &w3, &w4, &a0, &a1, &a2, &tmp1, NULL); - return res; + mp_clear_multi(&w0, &w1, &w2, &w3, &w4, &a0, &a1, &a2, &tmp1, NULL); + return res; } #endif diff --git a/libtommath/bn_mp_toradix.c b/libtommath/bn_mp_toradix.c index 3337765..7dd6e4f 100644 --- a/libtommath/bn_mp_toradix.c +++ b/libtommath/bn_mp_toradix.c @@ -16,56 +16,56 @@ */ /* stores a bignum as a ASCII string in a given radix (2..64) */ -int mp_toradix (mp_int * a, char *str, int radix) +int mp_toradix(const mp_int *a, char *str, int radix) { - int res, digs; - mp_int t; - mp_digit d; - char *_s = str; + int res, digs; + mp_int t; + mp_digit d; + char *_s = str; - /* check range of the radix */ - if ((radix < 2) || (radix > 64)) { - return MP_VAL; - } + /* check range of the radix */ + if ((radix < 2) || (radix > 64)) { + return MP_VAL; + } - /* quick out if its zero */ - if (mp_iszero(a) == MP_YES) { - *str++ = '0'; - *str = '\0'; - return MP_OKAY; - } + /* quick out if its zero */ + if (mp_iszero(a) == MP_YES) { + *str++ = '0'; + *str = '\0'; + return MP_OKAY; + } - if ((res = mp_init_copy (&t, a)) != MP_OKAY) { - return res; - } + if ((res = mp_init_copy(&t, a)) != MP_OKAY) { + return res; + } - /* if it is negative output a - */ - if (t.sign == MP_NEG) { - ++_s; - *str++ = '-'; - t.sign = MP_ZPOS; - } + /* if it is negative output a - */ + if (t.sign == MP_NEG) { + ++_s; + *str++ = '-'; + t.sign = MP_ZPOS; + } - digs = 0; - while (mp_iszero (&t) == MP_NO) { - if ((res = mp_div_d (&t, (mp_digit) radix, &t, &d)) != MP_OKAY) { - mp_clear (&t); - return res; - } - *str++ = mp_s_rmap[d]; - ++digs; - } + digs = 0; + while (mp_iszero(&t) == MP_NO) { + if ((res = mp_div_d(&t, (mp_digit)radix, &t, &d)) != MP_OKAY) { + mp_clear(&t); + return res; + } + *str++ = mp_s_rmap[d]; + ++digs; + } - /* reverse the digits of the string. In this case _s points - * to the first digit [exluding the sign] of the number] - */ - bn_reverse ((unsigned char *)_s, digs); + /* reverse the digits of the string. In this case _s points + * to the first digit [exluding the sign] of the number] + */ + bn_reverse((unsigned char *)_s, digs); - /* append a NULL so the string is properly terminated */ - *str = '\0'; + /* append a NULL so the string is properly terminated */ + *str = '\0'; - mp_clear (&t); - return MP_OKAY; + mp_clear(&t); + return MP_OKAY; } #endif diff --git a/libtommath/bn_mp_toradix_n.c b/libtommath/bn_mp_toradix_n.c index ae24ada..ef885fc 100644 --- a/libtommath/bn_mp_toradix_n.c +++ b/libtommath/bn_mp_toradix_n.c @@ -15,70 +15,70 @@ * Tom St Denis, tstdenis82@gmail.com, http://libtom.org */ -/* stores a bignum as a ASCII string in a given radix (2..64) +/* stores a bignum as a ASCII string in a given radix (2..64) * - * Stores upto maxlen-1 chars and always a NULL byte + * Stores upto maxlen-1 chars and always a NULL byte */ -int mp_toradix_n(mp_int * a, char *str, int radix, int maxlen) +int mp_toradix_n(const mp_int *a, char *str, int radix, int maxlen) { - int res, digs; - mp_int t; - mp_digit d; - char *_s = str; + int res, digs; + mp_int t; + mp_digit d; + char *_s = str; - /* check range of the maxlen, radix */ - if ((maxlen < 2) || (radix < 2) || (radix > 64)) { - return MP_VAL; - } + /* check range of the maxlen, radix */ + if ((maxlen < 2) || (radix < 2) || (radix > 64)) { + return MP_VAL; + } - /* quick out if its zero */ - if (mp_iszero(a) == MP_YES) { - *str++ = '0'; - *str = '\0'; - return MP_OKAY; - } + /* quick out if its zero */ + if (mp_iszero(a) == MP_YES) { + *str++ = '0'; + *str = '\0'; + return MP_OKAY; + } - if ((res = mp_init_copy (&t, a)) != MP_OKAY) { - return res; - } + if ((res = mp_init_copy(&t, a)) != MP_OKAY) { + return res; + } - /* if it is negative output a - */ - if (t.sign == MP_NEG) { - /* we have to reverse our digits later... but not the - sign!! */ - ++_s; + /* if it is negative output a - */ + if (t.sign == MP_NEG) { + /* we have to reverse our digits later... but not the - sign!! */ + ++_s; - /* store the flag and mark the number as positive */ - *str++ = '-'; - t.sign = MP_ZPOS; - - /* subtract a char */ - --maxlen; - } + /* store the flag and mark the number as positive */ + *str++ = '-'; + t.sign = MP_ZPOS; - digs = 0; - while (mp_iszero (&t) == MP_NO) { - if (--maxlen < 1) { - /* no more room */ - break; - } - if ((res = mp_div_d (&t, (mp_digit) radix, &t, &d)) != MP_OKAY) { - mp_clear (&t); - return res; - } - *str++ = mp_s_rmap[d]; - ++digs; - } + /* subtract a char */ + --maxlen; + } + + digs = 0; + while (mp_iszero(&t) == MP_NO) { + if (--maxlen < 1) { + /* no more room */ + break; + } + if ((res = mp_div_d(&t, (mp_digit)radix, &t, &d)) != MP_OKAY) { + mp_clear(&t); + return res; + } + *str++ = mp_s_rmap[d]; + ++digs; + } - /* reverse the digits of the string. In this case _s points - * to the first digit [exluding the sign] of the number - */ - bn_reverse ((unsigned char *)_s, digs); + /* reverse the digits of the string. In this case _s points + * to the first digit [exluding the sign] of the number + */ + bn_reverse((unsigned char *)_s, digs); - /* append a NULL so the string is properly terminated */ - *str = '\0'; + /* append a NULL so the string is properly terminated */ + *str = '\0'; - mp_clear (&t); - return MP_OKAY; + mp_clear(&t); + return MP_OKAY; } #endif diff --git a/libtommath/bn_mp_unsigned_bin_size.c b/libtommath/bn_mp_unsigned_bin_size.c index f46d0ba..04107fe 100644 --- a/libtommath/bn_mp_unsigned_bin_size.c +++ b/libtommath/bn_mp_unsigned_bin_size.c @@ -16,10 +16,10 @@ */ /* get the size for an unsigned equivalent */ -int mp_unsigned_bin_size (mp_int * a) +int mp_unsigned_bin_size(const mp_int *a) { - int size = mp_count_bits (a); - return (size / 8) + (((size & 7) != 0) ? 1 : 0); + int size = mp_count_bits(a); + return (size / 8) + (((size & 7) != 0) ? 1 : 0); } #endif diff --git a/libtommath/bn_mp_xor.c b/libtommath/bn_mp_xor.c index f51fc8e..9ebc53a 100644 --- a/libtommath/bn_mp_xor.c +++ b/libtommath/bn_mp_xor.c @@ -16,33 +16,33 @@ */ /* XOR two ints together */ -int -mp_xor (mp_int * a, mp_int * b, mp_int * c) +int mp_xor(const mp_int *a, const mp_int *b, mp_int *c) { - int res, ix, px; - mp_int t, *x; + int res, ix, px; + mp_int t; + const mp_int *x; - if (a->used > b->used) { - if ((res = mp_init_copy (&t, a)) != MP_OKAY) { - return res; - } - px = b->used; - x = b; - } else { - if ((res = mp_init_copy (&t, b)) != MP_OKAY) { - return res; - } - px = a->used; - x = a; - } + if (a->used > b->used) { + if ((res = mp_init_copy(&t, a)) != MP_OKAY) { + return res; + } + px = b->used; + x = b; + } else { + if ((res = mp_init_copy(&t, b)) != MP_OKAY) { + return res; + } + px = a->used; + x = a; + } - for (ix = 0; ix < px; ix++) { - t.dp[ix] ^= x->dp[ix]; - } - mp_clamp (&t); - mp_exch (c, &t); - mp_clear (&t); - return MP_OKAY; + for (ix = 0; ix < px; ix++) { + t.dp[ix] ^= x->dp[ix]; + } + mp_clamp(&t); + mp_exch(c, &t); + mp_clear(&t); + return MP_OKAY; } #endif diff --git a/libtommath/bn_mp_zero.c b/libtommath/bn_mp_zero.c index a7d59e4..08aac2a 100644 --- a/libtommath/bn_mp_zero.c +++ b/libtommath/bn_mp_zero.c @@ -16,18 +16,18 @@ */ /* set to zero */ -void mp_zero (mp_int * a) +void mp_zero(mp_int *a) { - int n; - mp_digit *tmp; + int n; + mp_digit *tmp; - a->sign = MP_ZPOS; - a->used = 0; + a->sign = MP_ZPOS; + a->used = 0; - tmp = a->dp; - for (n = 0; n < a->alloc; n++) { - *tmp++ = 0; - } + tmp = a->dp; + for (n = 0; n < a->alloc; n++) { + *tmp++ = 0; + } } #endif diff --git a/libtommath/bn_prime_tab.c b/libtommath/bn_prime_tab.c index 5252130..c8fadcd 100644 --- a/libtommath/bn_prime_tab.c +++ b/libtommath/bn_prime_tab.c @@ -15,43 +15,43 @@ * Tom St Denis, tstdenis82@gmail.com, http://libtom.org */ const mp_digit ltm_prime_tab[] = { - 0x0002, 0x0003, 0x0005, 0x0007, 0x000B, 0x000D, 0x0011, 0x0013, - 0x0017, 0x001D, 0x001F, 0x0025, 0x0029, 0x002B, 0x002F, 0x0035, - 0x003B, 0x003D, 0x0043, 0x0047, 0x0049, 0x004F, 0x0053, 0x0059, - 0x0061, 0x0065, 0x0067, 0x006B, 0x006D, 0x0071, 0x007F, + 0x0002, 0x0003, 0x0005, 0x0007, 0x000B, 0x000D, 0x0011, 0x0013, + 0x0017, 0x001D, 0x001F, 0x0025, 0x0029, 0x002B, 0x002F, 0x0035, + 0x003B, 0x003D, 0x0043, 0x0047, 0x0049, 0x004F, 0x0053, 0x0059, + 0x0061, 0x0065, 0x0067, 0x006B, 0x006D, 0x0071, 0x007F, #ifndef MP_8BIT - 0x0083, - 0x0089, 0x008B, 0x0095, 0x0097, 0x009D, 0x00A3, 0x00A7, 0x00AD, - 0x00B3, 0x00B5, 0x00BF, 0x00C1, 0x00C5, 0x00C7, 0x00D3, 0x00DF, - 0x00E3, 0x00E5, 0x00E9, 0x00EF, 0x00F1, 0x00FB, 0x0101, 0x0107, - 0x010D, 0x010F, 0x0115, 0x0119, 0x011B, 0x0125, 0x0133, 0x0137, + 0x0083, + 0x0089, 0x008B, 0x0095, 0x0097, 0x009D, 0x00A3, 0x00A7, 0x00AD, + 0x00B3, 0x00B5, 0x00BF, 0x00C1, 0x00C5, 0x00C7, 0x00D3, 0x00DF, + 0x00E3, 0x00E5, 0x00E9, 0x00EF, 0x00F1, 0x00FB, 0x0101, 0x0107, + 0x010D, 0x010F, 0x0115, 0x0119, 0x011B, 0x0125, 0x0133, 0x0137, - 0x0139, 0x013D, 0x014B, 0x0151, 0x015B, 0x015D, 0x0161, 0x0167, - 0x016F, 0x0175, 0x017B, 0x017F, 0x0185, 0x018D, 0x0191, 0x0199, - 0x01A3, 0x01A5, 0x01AF, 0x01B1, 0x01B7, 0x01BB, 0x01C1, 0x01C9, - 0x01CD, 0x01CF, 0x01D3, 0x01DF, 0x01E7, 0x01EB, 0x01F3, 0x01F7, - 0x01FD, 0x0209, 0x020B, 0x021D, 0x0223, 0x022D, 0x0233, 0x0239, - 0x023B, 0x0241, 0x024B, 0x0251, 0x0257, 0x0259, 0x025F, 0x0265, - 0x0269, 0x026B, 0x0277, 0x0281, 0x0283, 0x0287, 0x028D, 0x0293, - 0x0295, 0x02A1, 0x02A5, 0x02AB, 0x02B3, 0x02BD, 0x02C5, 0x02CF, + 0x0139, 0x013D, 0x014B, 0x0151, 0x015B, 0x015D, 0x0161, 0x0167, + 0x016F, 0x0175, 0x017B, 0x017F, 0x0185, 0x018D, 0x0191, 0x0199, + 0x01A3, 0x01A5, 0x01AF, 0x01B1, 0x01B7, 0x01BB, 0x01C1, 0x01C9, + 0x01CD, 0x01CF, 0x01D3, 0x01DF, 0x01E7, 0x01EB, 0x01F3, 0x01F7, + 0x01FD, 0x0209, 0x020B, 0x021D, 0x0223, 0x022D, 0x0233, 0x0239, + 0x023B, 0x0241, 0x024B, 0x0251, 0x0257, 0x0259, 0x025F, 0x0265, + 0x0269, 0x026B, 0x0277, 0x0281, 0x0283, 0x0287, 0x028D, 0x0293, + 0x0295, 0x02A1, 0x02A5, 0x02AB, 0x02B3, 0x02BD, 0x02C5, 0x02CF, - 0x02D7, 0x02DD, 0x02E3, 0x02E7, 0x02EF, 0x02F5, 0x02F9, 0x0301, - 0x0305, 0x0313, 0x031D, 0x0329, 0x032B, 0x0335, 0x0337, 0x033B, - 0x033D, 0x0347, 0x0355, 0x0359, 0x035B, 0x035F, 0x036D, 0x0371, - 0x0373, 0x0377, 0x038B, 0x038F, 0x0397, 0x03A1, 0x03A9, 0x03AD, - 0x03B3, 0x03B9, 0x03C7, 0x03CB, 0x03D1, 0x03D7, 0x03DF, 0x03E5, - 0x03F1, 0x03F5, 0x03FB, 0x03FD, 0x0407, 0x0409, 0x040F, 0x0419, - 0x041B, 0x0425, 0x0427, 0x042D, 0x043F, 0x0443, 0x0445, 0x0449, - 0x044F, 0x0455, 0x045D, 0x0463, 0x0469, 0x047F, 0x0481, 0x048B, + 0x02D7, 0x02DD, 0x02E3, 0x02E7, 0x02EF, 0x02F5, 0x02F9, 0x0301, + 0x0305, 0x0313, 0x031D, 0x0329, 0x032B, 0x0335, 0x0337, 0x033B, + 0x033D, 0x0347, 0x0355, 0x0359, 0x035B, 0x035F, 0x036D, 0x0371, + 0x0373, 0x0377, 0x038B, 0x038F, 0x0397, 0x03A1, 0x03A9, 0x03AD, + 0x03B3, 0x03B9, 0x03C7, 0x03CB, 0x03D1, 0x03D7, 0x03DF, 0x03E5, + 0x03F1, 0x03F5, 0x03FB, 0x03FD, 0x0407, 0x0409, 0x040F, 0x0419, + 0x041B, 0x0425, 0x0427, 0x042D, 0x043F, 0x0443, 0x0445, 0x0449, + 0x044F, 0x0455, 0x045D, 0x0463, 0x0469, 0x047F, 0x0481, 0x048B, - 0x0493, 0x049D, 0x04A3, 0x04A9, 0x04B1, 0x04BD, 0x04C1, 0x04C7, - 0x04CD, 0x04CF, 0x04D5, 0x04E1, 0x04EB, 0x04FD, 0x04FF, 0x0503, - 0x0509, 0x050B, 0x0511, 0x0515, 0x0517, 0x051B, 0x0527, 0x0529, - 0x052F, 0x0551, 0x0557, 0x055D, 0x0565, 0x0577, 0x0581, 0x058F, - 0x0593, 0x0595, 0x0599, 0x059F, 0x05A7, 0x05AB, 0x05AD, 0x05B3, - 0x05BF, 0x05C9, 0x05CB, 0x05CF, 0x05D1, 0x05D5, 0x05DB, 0x05E7, - 0x05F3, 0x05FB, 0x0607, 0x060D, 0x0611, 0x0617, 0x061F, 0x0623, - 0x062B, 0x062F, 0x063D, 0x0641, 0x0647, 0x0649, 0x064D, 0x0653 + 0x0493, 0x049D, 0x04A3, 0x04A9, 0x04B1, 0x04BD, 0x04C1, 0x04C7, + 0x04CD, 0x04CF, 0x04D5, 0x04E1, 0x04EB, 0x04FD, 0x04FF, 0x0503, + 0x0509, 0x050B, 0x0511, 0x0515, 0x0517, 0x051B, 0x0527, 0x0529, + 0x052F, 0x0551, 0x0557, 0x055D, 0x0565, 0x0577, 0x0581, 0x058F, + 0x0593, 0x0595, 0x0599, 0x059F, 0x05A7, 0x05AB, 0x05AD, 0x05B3, + 0x05BF, 0x05C9, 0x05CB, 0x05CF, 0x05D1, 0x05D5, 0x05DB, 0x05E7, + 0x05F3, 0x05FB, 0x0607, 0x060D, 0x0611, 0x0617, 0x061F, 0x0623, + 0x062B, 0x062F, 0x063D, 0x0641, 0x0647, 0x0649, 0x064D, 0x0653 #endif }; #endif diff --git a/libtommath/bn_reverse.c b/libtommath/bn_reverse.c index dc87a4e..71e3d03 100644 --- a/libtommath/bn_reverse.c +++ b/libtommath/bn_reverse.c @@ -16,21 +16,20 @@ */ /* reverse an array, used for radix code */ -void -bn_reverse (unsigned char *s, int len) +void bn_reverse(unsigned char *s, int len) { - int ix, iy; - unsigned char t; + int ix, iy; + unsigned char t; - ix = 0; - iy = len - 1; - while (ix < iy) { - t = s[ix]; - s[ix] = s[iy]; - s[iy] = t; - ++ix; - --iy; - } + ix = 0; + iy = len - 1; + while (ix < iy) { + t = s[ix]; + s[ix] = s[iy]; + s[iy] = t; + ++ix; + --iy; + } } #endif diff --git a/libtommath/bn_s_mp_add.c b/libtommath/bn_s_mp_add.c index 7a100e8..2046722 100644 --- a/libtommath/bn_s_mp_add.c +++ b/libtommath/bn_s_mp_add.c @@ -16,91 +16,90 @@ */ /* low level addition, based on HAC pp.594, Algorithm 14.7 */ -int -s_mp_add (mp_int * a, mp_int * b, mp_int * c) +int s_mp_add(const mp_int *a, const mp_int *b, mp_int *c) { - mp_int *x; - int olduse, res, min, max; - - /* find sizes, we let |a| <= |b| which means we have to sort - * them. "x" will point to the input with the most digits - */ - if (a->used > b->used) { - min = b->used; - max = a->used; - x = a; - } else { - min = a->used; - max = b->used; - x = b; - } - - /* init result */ - if (c->alloc < (max + 1)) { - if ((res = mp_grow (c, max + 1)) != MP_OKAY) { - return res; - } - } - - /* get old used digit count and set new one */ - olduse = c->used; - c->used = max + 1; - - { - mp_digit u, *tmpa, *tmpb, *tmpc; - int i; - - /* alias for digit pointers */ - - /* first input */ - tmpa = a->dp; - - /* second input */ - tmpb = b->dp; - - /* destination */ - tmpc = c->dp; - - /* zero the carry */ - u = 0; - for (i = 0; i < min; i++) { - /* Compute the sum at one digit, T[i] = A[i] + B[i] + U */ - *tmpc = *tmpa++ + *tmpb++ + u; - - /* U = carry bit of T[i] */ - u = *tmpc >> ((mp_digit)DIGIT_BIT); - - /* take away carry bit from T[i] */ - *tmpc++ &= MP_MASK; - } - - /* now copy higher words if any, that is in A+B - * if A or B has more digits add those in - */ - if (min != max) { - for (; i < max; i++) { - /* T[i] = X[i] + U */ - *tmpc = x->dp[i] + u; - - /* U = carry bit of T[i] */ - u = *tmpc >> ((mp_digit)DIGIT_BIT); - - /* take away carry bit from T[i] */ - *tmpc++ &= MP_MASK; + const mp_int *x; + int olduse, res, min, max; + + /* find sizes, we let |a| <= |b| which means we have to sort + * them. "x" will point to the input with the most digits + */ + if (a->used > b->used) { + min = b->used; + max = a->used; + x = a; + } else { + min = a->used; + max = b->used; + x = b; + } + + /* init result */ + if (c->alloc < (max + 1)) { + if ((res = mp_grow(c, max + 1)) != MP_OKAY) { + return res; } - } + } - /* add carry */ - *tmpc++ = u; + /* get old used digit count and set new one */ + olduse = c->used; + c->used = max + 1; - /* clear digits above oldused */ - for (i = c->used; i < olduse; i++) { - *tmpc++ = 0; - } - } + { + mp_digit u, *tmpa, *tmpb, *tmpc; + int i; - mp_clamp (c); - return MP_OKAY; + /* alias for digit pointers */ + + /* first input */ + tmpa = a->dp; + + /* second input */ + tmpb = b->dp; + + /* destination */ + tmpc = c->dp; + + /* zero the carry */ + u = 0; + for (i = 0; i < min; i++) { + /* Compute the sum at one digit, T[i] = A[i] + B[i] + U */ + *tmpc = *tmpa++ + *tmpb++ + u; + + /* U = carry bit of T[i] */ + u = *tmpc >> ((mp_digit)DIGIT_BIT); + + /* take away carry bit from T[i] */ + *tmpc++ &= MP_MASK; + } + + /* now copy higher words if any, that is in A+B + * if A or B has more digits add those in + */ + if (min != max) { + for (; i < max; i++) { + /* T[i] = X[i] + U */ + *tmpc = x->dp[i] + u; + + /* U = carry bit of T[i] */ + u = *tmpc >> ((mp_digit)DIGIT_BIT); + + /* take away carry bit from T[i] */ + *tmpc++ &= MP_MASK; + } + } + + /* add carry */ + *tmpc++ = u; + + /* clear digits above oldused */ + for (i = c->used; i < olduse; i++) { + *tmpc++ = 0; + } + } + + mp_clamp(c); + return MP_OKAY; } #endif diff --git a/libtommath/bn_s_mp_exptmod.c b/libtommath/bn_s_mp_exptmod.c index ab820d4..a886361 100644 --- a/libtommath/bn_s_mp_exptmod.c +++ b/libtommath/bn_s_mp_exptmod.c @@ -15,235 +15,237 @@ * Tom St Denis, tstdenis82@gmail.com, http://libtom.org */ #ifdef MP_LOW_MEM - #define TAB_SIZE 32 +# define TAB_SIZE 32 #else - #define TAB_SIZE 256 +# define TAB_SIZE 256 #endif -int s_mp_exptmod (mp_int * G, mp_int * X, mp_int * P, mp_int * Y, int redmode) +int s_mp_exptmod(const mp_int *G, const mp_int *X, const mp_int *P, mp_int *Y, int redmode) { - mp_int M[TAB_SIZE], res, mu; - mp_digit buf; - int err, bitbuf, bitcpy, bitcnt, mode, digidx, x, y, winsize; - int (*redux)(mp_int*,mp_int*,mp_int*); - - /* find window size */ - x = mp_count_bits (X); - if (x <= 7) { - winsize = 2; - } else if (x <= 36) { - winsize = 3; - } else if (x <= 140) { - winsize = 4; - } else if (x <= 450) { - winsize = 5; - } else if (x <= 1303) { - winsize = 6; - } else if (x <= 3529) { - winsize = 7; - } else { - winsize = 8; - } + mp_int M[TAB_SIZE], res, mu; + mp_digit buf; + int err, bitbuf, bitcpy, bitcnt, mode, digidx, x, y, winsize; + int (*redux)(mp_int *, const mp_int *, const mp_int *); + + /* find window size */ + x = mp_count_bits(X); + if (x <= 7) { + winsize = 2; + } else if (x <= 36) { + winsize = 3; + } else if (x <= 140) { + winsize = 4; + } else if (x <= 450) { + winsize = 5; + } else if (x <= 1303) { + winsize = 6; + } else if (x <= 3529) { + winsize = 7; + } else { + winsize = 8; + } #ifdef MP_LOW_MEM - if (winsize > 5) { - winsize = 5; - } + if (winsize > 5) { + winsize = 5; + } #endif - /* init M array */ - /* init first cell */ - if ((err = mp_init(&M[1])) != MP_OKAY) { - return err; - } - - /* now init the second half of the array */ - for (x = 1<<(winsize-1); x < (1 << winsize); x++) { - if ((err = mp_init(&M[x])) != MP_OKAY) { - for (y = 1<<(winsize-1); y < x; y++) { - mp_clear (&M[y]); - } - mp_clear(&M[1]); + /* init M array */ + /* init first cell */ + if ((err = mp_init(&M[1])) != MP_OKAY) { return err; - } - } - - /* create mu, used for Barrett reduction */ - if ((err = mp_init (&mu)) != MP_OKAY) { - goto LBL_M; - } - - if (redmode == 0) { - if ((err = mp_reduce_setup (&mu, P)) != MP_OKAY) { - goto LBL_MU; - } - redux = mp_reduce; - } else { - if ((err = mp_reduce_2k_setup_l (P, &mu)) != MP_OKAY) { - goto LBL_MU; - } - redux = mp_reduce_2k_l; - } - - /* create M table - * - * The M table contains powers of the base, - * e.g. M[x] = G**x mod P - * - * The first half of the table is not - * computed though accept for M[0] and M[1] - */ - if ((err = mp_mod (G, P, &M[1])) != MP_OKAY) { - goto LBL_MU; - } - - /* compute the value at M[1<<(winsize-1)] by squaring - * M[1] (winsize-1) times - */ - if ((err = mp_copy (&M[1], &M[1 << (winsize - 1)])) != MP_OKAY) { - goto LBL_MU; - } - - for (x = 0; x < (winsize - 1); x++) { - /* square it */ - if ((err = mp_sqr (&M[1 << (winsize - 1)], - &M[1 << (winsize - 1)])) != MP_OKAY) { - goto LBL_MU; - } + } + + /* now init the second half of the array */ + for (x = 1<<(winsize-1); x < (1 << winsize); x++) { + if ((err = mp_init(&M[x])) != MP_OKAY) { + for (y = 1<<(winsize-1); y < x; y++) { + mp_clear(&M[y]); + } + mp_clear(&M[1]); + return err; + } + } - /* reduce modulo P */ - if ((err = redux (&M[1 << (winsize - 1)], P, &mu)) != MP_OKAY) { - goto LBL_MU; - } - } - - /* create upper table, that is M[x] = M[x-1] * M[1] (mod P) - * for x = (2**(winsize - 1) + 1) to (2**winsize - 1) - */ - for (x = (1 << (winsize - 1)) + 1; x < (1 << winsize); x++) { - if ((err = mp_mul (&M[x - 1], &M[1], &M[x])) != MP_OKAY) { + /* create mu, used for Barrett reduction */ + if ((err = mp_init(&mu)) != MP_OKAY) { + goto LBL_M; + } + + if (redmode == 0) { + if ((err = mp_reduce_setup(&mu, P)) != MP_OKAY) { + goto LBL_MU; + } + redux = mp_reduce; + } else { + if ((err = mp_reduce_2k_setup_l(P, &mu)) != MP_OKAY) { + goto LBL_MU; + } + redux = mp_reduce_2k_l; + } + + /* create M table + * + * The M table contains powers of the base, + * e.g. M[x] = G**x mod P + * + * The first half of the table is not + * computed though accept for M[0] and M[1] + */ + if ((err = mp_mod(G, P, &M[1])) != MP_OKAY) { goto LBL_MU; - } - if ((err = redux (&M[x], P, &mu)) != MP_OKAY) { + } + + /* compute the value at M[1<<(winsize-1)] by squaring + * M[1] (winsize-1) times + */ + if ((err = mp_copy(&M[1], &M[1 << (winsize - 1)])) != MP_OKAY) { goto LBL_MU; - } - } - - /* setup result */ - if ((err = mp_init (&res)) != MP_OKAY) { - goto LBL_MU; - } - mp_set (&res, 1); - - /* set initial mode and bit cnt */ - mode = 0; - bitcnt = 1; - buf = 0; - digidx = X->used - 1; - bitcpy = 0; - bitbuf = 0; - - for (;;) { - /* grab next digit as required */ - if (--bitcnt == 0) { - /* if digidx == -1 we are out of digits */ - if (digidx == -1) { - break; + } + + for (x = 0; x < (winsize - 1); x++) { + /* square it */ + if ((err = mp_sqr(&M[1 << (winsize - 1)], + &M[1 << (winsize - 1)])) != MP_OKAY) { + goto LBL_MU; } - /* read next digit and reset the bitcnt */ - buf = X->dp[digidx--]; - bitcnt = (int) DIGIT_BIT; - } - - /* grab the next msb from the exponent */ - y = (buf >> (mp_digit)(DIGIT_BIT - 1)) & 1; - buf <<= (mp_digit)1; - - /* if the bit is zero and mode == 0 then we ignore it - * These represent the leading zero bits before the first 1 bit - * in the exponent. Technically this opt is not required but it - * does lower the # of trivial squaring/reductions used - */ - if ((mode == 0) && (y == 0)) { - continue; - } - - /* if the bit is zero and mode == 1 then we square */ - if ((mode == 1) && (y == 0)) { - if ((err = mp_sqr (&res, &res)) != MP_OKAY) { - goto LBL_RES; + + /* reduce modulo P */ + if ((err = redux(&M[1 << (winsize - 1)], P, &mu)) != MP_OKAY) { + goto LBL_MU; } - if ((err = redux (&res, P, &mu)) != MP_OKAY) { - goto LBL_RES; + } + + /* create upper table, that is M[x] = M[x-1] * M[1] (mod P) + * for x = (2**(winsize - 1) + 1) to (2**winsize - 1) + */ + for (x = (1 << (winsize - 1)) + 1; x < (1 << winsize); x++) { + if ((err = mp_mul(&M[x - 1], &M[1], &M[x])) != MP_OKAY) { + goto LBL_MU; } - continue; - } - - /* else we add it to the window */ - bitbuf |= (y << (winsize - ++bitcpy)); - mode = 2; - - if (bitcpy == winsize) { - /* ok window is filled so square as required and multiply */ - /* square first */ - for (x = 0; x < winsize; x++) { - if ((err = mp_sqr (&res, &res)) != MP_OKAY) { - goto LBL_RES; - } - if ((err = redux (&res, P, &mu)) != MP_OKAY) { - goto LBL_RES; - } + if ((err = redux(&M[x], P, &mu)) != MP_OKAY) { + goto LBL_MU; } + } - /* then multiply */ - if ((err = mp_mul (&res, &M[bitbuf], &res)) != MP_OKAY) { - goto LBL_RES; - } - if ((err = redux (&res, P, &mu)) != MP_OKAY) { - goto LBL_RES; + /* setup result */ + if ((err = mp_init(&res)) != MP_OKAY) { + goto LBL_MU; + } + mp_set(&res, 1); + + /* set initial mode and bit cnt */ + mode = 0; + bitcnt = 1; + buf = 0; + digidx = X->used - 1; + bitcpy = 0; + bitbuf = 0; + + for (;;) { + /* grab next digit as required */ + if (--bitcnt == 0) { + /* if digidx == -1 we are out of digits */ + if (digidx == -1) { + break; + } + /* read next digit and reset the bitcnt */ + buf = X->dp[digidx--]; + bitcnt = (int)DIGIT_BIT; } - /* empty window and reset */ - bitcpy = 0; - bitbuf = 0; - mode = 1; - } - } - - /* if bits remain then square/multiply */ - if ((mode == 2) && (bitcpy > 0)) { - /* square then multiply if the bit is set */ - for (x = 0; x < bitcpy; x++) { - if ((err = mp_sqr (&res, &res)) != MP_OKAY) { - goto LBL_RES; - } - if ((err = redux (&res, P, &mu)) != MP_OKAY) { - goto LBL_RES; + /* grab the next msb from the exponent */ + y = (buf >> (mp_digit)(DIGIT_BIT - 1)) & 1; + buf <<= (mp_digit)1; + + /* if the bit is zero and mode == 0 then we ignore it + * These represent the leading zero bits before the first 1 bit + * in the exponent. Technically this opt is not required but it + * does lower the # of trivial squaring/reductions used + */ + if ((mode == 0) && (y == 0)) { + continue; } - bitbuf <<= 1; - if ((bitbuf & (1 << winsize)) != 0) { - /* then multiply */ - if ((err = mp_mul (&res, &M[1], &res)) != MP_OKAY) { - goto LBL_RES; - } - if ((err = redux (&res, P, &mu)) != MP_OKAY) { - goto LBL_RES; - } + /* if the bit is zero and mode == 1 then we square */ + if ((mode == 1) && (y == 0)) { + if ((err = mp_sqr(&res, &res)) != MP_OKAY) { + goto LBL_RES; + } + if ((err = redux(&res, P, &mu)) != MP_OKAY) { + goto LBL_RES; + } + continue; } - } - } - mp_exch (&res, Y); - err = MP_OKAY; -LBL_RES:mp_clear (&res); -LBL_MU:mp_clear (&mu); + /* else we add it to the window */ + bitbuf |= (y << (winsize - ++bitcpy)); + mode = 2; + + if (bitcpy == winsize) { + /* ok window is filled so square as required and multiply */ + /* square first */ + for (x = 0; x < winsize; x++) { + if ((err = mp_sqr(&res, &res)) != MP_OKAY) { + goto LBL_RES; + } + if ((err = redux(&res, P, &mu)) != MP_OKAY) { + goto LBL_RES; + } + } + + /* then multiply */ + if ((err = mp_mul(&res, &M[bitbuf], &res)) != MP_OKAY) { + goto LBL_RES; + } + if ((err = redux(&res, P, &mu)) != MP_OKAY) { + goto LBL_RES; + } + + /* empty window and reset */ + bitcpy = 0; + bitbuf = 0; + mode = 1; + } + } + + /* if bits remain then square/multiply */ + if ((mode == 2) && (bitcpy > 0)) { + /* square then multiply if the bit is set */ + for (x = 0; x < bitcpy; x++) { + if ((err = mp_sqr(&res, &res)) != MP_OKAY) { + goto LBL_RES; + } + if ((err = redux(&res, P, &mu)) != MP_OKAY) { + goto LBL_RES; + } + + bitbuf <<= 1; + if ((bitbuf & (1 << winsize)) != 0) { + /* then multiply */ + if ((err = mp_mul(&res, &M[1], &res)) != MP_OKAY) { + goto LBL_RES; + } + if ((err = redux(&res, P, &mu)) != MP_OKAY) { + goto LBL_RES; + } + } + } + } + + mp_exch(&res, Y); + err = MP_OKAY; +LBL_RES: + mp_clear(&res); +LBL_MU: + mp_clear(&mu); LBL_M: - mp_clear(&M[1]); - for (x = 1<<(winsize-1); x < (1 << winsize); x++) { - mp_clear (&M[x]); - } - return err; + mp_clear(&M[1]); + for (x = 1<<(winsize-1); x < (1 << winsize); x++) { + mp_clear(&M[x]); + } + return err; } #endif diff --git a/libtommath/bn_s_mp_mul_digs.c b/libtommath/bn_s_mp_mul_digs.c index 8f1bf97..af13a02 100644 --- a/libtommath/bn_s_mp_mul_digs.c +++ b/libtommath/bn_s_mp_mul_digs.c @@ -16,72 +16,72 @@ */ /* multiplies |a| * |b| and only computes upto digs digits of result - * HAC pp. 595, Algorithm 14.12 Modified so you can control how + * HAC pp. 595, Algorithm 14.12 Modified so you can control how * many digits of output are created. */ -int s_mp_mul_digs (mp_int * a, mp_int * b, mp_int * c, int digs) +int s_mp_mul_digs(const mp_int *a, const mp_int *b, mp_int *c, int digs) { - mp_int t; - int res, pa, pb, ix, iy; - mp_digit u; - mp_word r; - mp_digit tmpx, *tmpt, *tmpy; + mp_int t; + int res, pa, pb, ix, iy; + mp_digit u; + mp_word r; + mp_digit tmpx, *tmpt, *tmpy; - /* can we use the fast multiplier? */ - if (((digs) < MP_WARRAY) && - (MIN (a->used, b->used) < - (1 << ((CHAR_BIT * sizeof(mp_word)) - (2 * DIGIT_BIT))))) { - return fast_s_mp_mul_digs (a, b, c, digs); - } + /* can we use the fast multiplier? */ + if (((digs) < MP_WARRAY) && + (MIN(a->used, b->used) < + (1 << ((CHAR_BIT * sizeof(mp_word)) - (2 * DIGIT_BIT))))) { + return fast_s_mp_mul_digs(a, b, c, digs); + } - if ((res = mp_init_size (&t, digs)) != MP_OKAY) { - return res; - } - t.used = digs; + if ((res = mp_init_size(&t, digs)) != MP_OKAY) { + return res; + } + t.used = digs; - /* compute the digits of the product directly */ - pa = a->used; - for (ix = 0; ix < pa; ix++) { - /* set the carry to zero */ - u = 0; + /* compute the digits of the product directly */ + pa = a->used; + for (ix = 0; ix < pa; ix++) { + /* set the carry to zero */ + u = 0; - /* limit ourselves to making digs digits of output */ - pb = MIN (b->used, digs - ix); + /* limit ourselves to making digs digits of output */ + pb = MIN(b->used, digs - ix); - /* setup some aliases */ - /* copy of the digit from a used within the nested loop */ - tmpx = a->dp[ix]; - - /* an alias for the destination shifted ix places */ - tmpt = t.dp + ix; - - /* an alias for the digits of b */ - tmpy = b->dp; + /* setup some aliases */ + /* copy of the digit from a used within the nested loop */ + tmpx = a->dp[ix]; - /* compute the columns of the output and propagate the carry */ - for (iy = 0; iy < pb; iy++) { - /* compute the column as a mp_word */ - r = (mp_word)*tmpt + - ((mp_word)tmpx * (mp_word)*tmpy++) + - (mp_word)u; + /* an alias for the destination shifted ix places */ + tmpt = t.dp + ix; - /* the new column is the lower part of the result */ - *tmpt++ = (mp_digit) (r & ((mp_word) MP_MASK)); + /* an alias for the digits of b */ + tmpy = b->dp; - /* get the carry word from the result */ - u = (mp_digit) (r >> ((mp_word) DIGIT_BIT)); - } - /* set carry if it is placed below digs */ - if ((ix + iy) < digs) { - *tmpt = u; - } - } + /* compute the columns of the output and propagate the carry */ + for (iy = 0; iy < pb; iy++) { + /* compute the column as a mp_word */ + r = (mp_word)*tmpt + + ((mp_word)tmpx * (mp_word)*tmpy++) + + (mp_word)u; - mp_clamp (&t); - mp_exch (&t, c); + /* the new column is the lower part of the result */ + *tmpt++ = (mp_digit)(r & ((mp_word) MP_MASK)); - mp_clear (&t); - return MP_OKAY; + /* get the carry word from the result */ + u = (mp_digit)(r >> ((mp_word) DIGIT_BIT)); + } + /* set carry if it is placed below digs */ + if ((ix + iy) < digs) { + *tmpt = u; + } + } + + mp_clamp(&t); + mp_exch(&t, c); + + mp_clear(&t); + return MP_OKAY; } #endif diff --git a/libtommath/bn_s_mp_mul_high_digs.c b/libtommath/bn_s_mp_mul_high_digs.c index 031f17b..37c108e 100644 --- a/libtommath/bn_s_mp_mul_high_digs.c +++ b/libtommath/bn_s_mp_mul_high_digs.c @@ -18,61 +18,60 @@ /* multiplies |a| * |b| and does not compute the lower digs digits * [meant to get the higher part of the product] */ -int -s_mp_mul_high_digs (mp_int * a, mp_int * b, mp_int * c, int digs) +int s_mp_mul_high_digs(const mp_int *a, const mp_int *b, mp_int *c, int digs) { - mp_int t; - int res, pa, pb, ix, iy; - mp_digit u; - mp_word r; - mp_digit tmpx, *tmpt, *tmpy; + mp_int t; + int res, pa, pb, ix, iy; + mp_digit u; + mp_word r; + mp_digit tmpx, *tmpt, *tmpy; - /* can we use the fast multiplier? */ + /* can we use the fast multiplier? */ #ifdef BN_FAST_S_MP_MUL_HIGH_DIGS_C - if (((a->used + b->used + 1) < MP_WARRAY) - && (MIN (a->used, b->used) < (1 << ((CHAR_BIT * sizeof(mp_word)) - (2 * DIGIT_BIT))))) { - return fast_s_mp_mul_high_digs (a, b, c, digs); - } + if (((a->used + b->used + 1) < MP_WARRAY) + && (MIN(a->used, b->used) < (1 << ((CHAR_BIT * sizeof(mp_word)) - (2 * DIGIT_BIT))))) { + return fast_s_mp_mul_high_digs(a, b, c, digs); + } #endif - if ((res = mp_init_size (&t, a->used + b->used + 1)) != MP_OKAY) { - return res; - } - t.used = a->used + b->used + 1; + if ((res = mp_init_size(&t, a->used + b->used + 1)) != MP_OKAY) { + return res; + } + t.used = a->used + b->used + 1; - pa = a->used; - pb = b->used; - for (ix = 0; ix < pa; ix++) { - /* clear the carry */ - u = 0; + pa = a->used; + pb = b->used; + for (ix = 0; ix < pa; ix++) { + /* clear the carry */ + u = 0; - /* left hand side of A[ix] * B[iy] */ - tmpx = a->dp[ix]; + /* left hand side of A[ix] * B[iy] */ + tmpx = a->dp[ix]; - /* alias to the address of where the digits will be stored */ - tmpt = &(t.dp[digs]); + /* alias to the address of where the digits will be stored */ + tmpt = &(t.dp[digs]); - /* alias for where to read the right hand side from */ - tmpy = b->dp + (digs - ix); + /* alias for where to read the right hand side from */ + tmpy = b->dp + (digs - ix); - for (iy = digs - ix; iy < pb; iy++) { - /* calculate the double precision result */ - r = (mp_word)*tmpt + - ((mp_word)tmpx * (mp_word)*tmpy++) + - (mp_word)u; + for (iy = digs - ix; iy < pb; iy++) { + /* calculate the double precision result */ + r = (mp_word)*tmpt + + ((mp_word)tmpx * (mp_word)*tmpy++) + + (mp_word)u; - /* get the lower part */ - *tmpt++ = (mp_digit) (r & ((mp_word) MP_MASK)); + /* get the lower part */ + *tmpt++ = (mp_digit)(r & ((mp_word) MP_MASK)); - /* carry the carry */ - u = (mp_digit) (r >> ((mp_word) DIGIT_BIT)); - } - *tmpt = u; - } - mp_clamp (&t); - mp_exch (&t, c); - mp_clear (&t); - return MP_OKAY; + /* carry the carry */ + u = (mp_digit)(r >> ((mp_word) DIGIT_BIT)); + } + *tmpt = u; + } + mp_clamp(&t); + mp_exch(&t, c); + mp_clear(&t); + return MP_OKAY; } #endif diff --git a/libtommath/bn_s_mp_sqr.c b/libtommath/bn_s_mp_sqr.c index ac0e157..aae06eb 100644 --- a/libtommath/bn_s_mp_sqr.c +++ b/libtommath/bn_s_mp_sqr.c @@ -16,66 +16,66 @@ */ /* low level squaring, b = a*a, HAC pp.596-597, Algorithm 14.16 */ -int s_mp_sqr (mp_int * a, mp_int * b) +int s_mp_sqr(const mp_int *a, mp_int *b) { - mp_int t; - int res, ix, iy, pa; - mp_word r; - mp_digit u, tmpx, *tmpt; + mp_int t; + int res, ix, iy, pa; + mp_word r; + mp_digit u, tmpx, *tmpt; - pa = a->used; - if ((res = mp_init_size (&t, (2 * pa) + 1)) != MP_OKAY) { - return res; - } + pa = a->used; + if ((res = mp_init_size(&t, (2 * pa) + 1)) != MP_OKAY) { + return res; + } - /* default used is maximum possible size */ - t.used = (2 * pa) + 1; + /* default used is maximum possible size */ + t.used = (2 * pa) + 1; - for (ix = 0; ix < pa; ix++) { - /* first calculate the digit at 2*ix */ - /* calculate double precision result */ - r = (mp_word)t.dp[2*ix] + - ((mp_word)a->dp[ix] * (mp_word)a->dp[ix]); + for (ix = 0; ix < pa; ix++) { + /* first calculate the digit at 2*ix */ + /* calculate double precision result */ + r = (mp_word)t.dp[2*ix] + + ((mp_word)a->dp[ix] * (mp_word)a->dp[ix]); - /* store lower part in result */ - t.dp[ix+ix] = (mp_digit) (r & ((mp_word) MP_MASK)); + /* store lower part in result */ + t.dp[ix+ix] = (mp_digit)(r & ((mp_word)MP_MASK)); - /* get the carry */ - u = (mp_digit)(r >> ((mp_word) DIGIT_BIT)); + /* get the carry */ + u = (mp_digit)(r >> ((mp_word)DIGIT_BIT)); - /* left hand side of A[ix] * A[iy] */ - tmpx = a->dp[ix]; + /* left hand side of A[ix] * A[iy] */ + tmpx = a->dp[ix]; - /* alias for where to store the results */ - tmpt = t.dp + ((2 * ix) + 1); - - for (iy = ix + 1; iy < pa; iy++) { - /* first calculate the product */ - r = ((mp_word)tmpx) * ((mp_word)a->dp[iy]); + /* alias for where to store the results */ + tmpt = t.dp + ((2 * ix) + 1); - /* now calculate the double precision result, note we use - * addition instead of *2 since it's easier to optimize - */ - r = ((mp_word) *tmpt) + r + r + ((mp_word) u); + for (iy = ix + 1; iy < pa; iy++) { + /* first calculate the product */ + r = ((mp_word)tmpx) * ((mp_word)a->dp[iy]); - /* store lower part */ - *tmpt++ = (mp_digit) (r & ((mp_word) MP_MASK)); + /* now calculate the double precision result, note we use + * addition instead of *2 since it's easier to optimize + */ + r = ((mp_word) *tmpt) + r + r + ((mp_word) u); - /* get carry */ - u = (mp_digit)(r >> ((mp_word) DIGIT_BIT)); - } - /* propagate upwards */ - while (u != ((mp_digit) 0)) { - r = ((mp_word) *tmpt) + ((mp_word) u); - *tmpt++ = (mp_digit) (r & ((mp_word) MP_MASK)); - u = (mp_digit)(r >> ((mp_word) DIGIT_BIT)); - } - } + /* store lower part */ + *tmpt++ = (mp_digit)(r & ((mp_word) MP_MASK)); - mp_clamp (&t); - mp_exch (&t, b); - mp_clear (&t); - return MP_OKAY; + /* get carry */ + u = (mp_digit)(r >> ((mp_word) DIGIT_BIT)); + } + /* propagate upwards */ + while (u != ((mp_digit) 0)) { + r = ((mp_word) *tmpt) + ((mp_word) u); + *tmpt++ = (mp_digit)(r & ((mp_word) MP_MASK)); + u = (mp_digit)(r >> ((mp_word) DIGIT_BIT)); + } + } + + mp_clamp(&t); + mp_exch(&t, b); + mp_clear(&t); + return MP_OKAY; } #endif diff --git a/libtommath/bn_s_mp_sub.c b/libtommath/bn_s_mp_sub.c index 8091f4a..52b8096 100644 --- a/libtommath/bn_s_mp_sub.c +++ b/libtommath/bn_s_mp_sub.c @@ -16,70 +16,69 @@ */ /* low level subtraction (assumes |a| > |b|), HAC pp.595 Algorithm 14.9 */ -int -s_mp_sub (mp_int * a, mp_int * b, mp_int * c) +int s_mp_sub(const mp_int *a, const mp_int *b, mp_int *c) { - int olduse, res, min, max; + int olduse, res, min, max; - /* find sizes */ - min = b->used; - max = a->used; + /* find sizes */ + min = b->used; + max = a->used; - /* init result */ - if (c->alloc < max) { - if ((res = mp_grow (c, max)) != MP_OKAY) { - return res; - } - } - olduse = c->used; - c->used = max; + /* init result */ + if (c->alloc < max) { + if ((res = mp_grow(c, max)) != MP_OKAY) { + return res; + } + } + olduse = c->used; + c->used = max; - { - mp_digit u, *tmpa, *tmpb, *tmpc; - int i; + { + mp_digit u, *tmpa, *tmpb, *tmpc; + int i; - /* alias for digit pointers */ - tmpa = a->dp; - tmpb = b->dp; - tmpc = c->dp; + /* alias for digit pointers */ + tmpa = a->dp; + tmpb = b->dp; + tmpc = c->dp; - /* set carry to zero */ - u = 0; - for (i = 0; i < min; i++) { - /* T[i] = A[i] - B[i] - U */ - *tmpc = (*tmpa++ - *tmpb++) - u; + /* set carry to zero */ + u = 0; + for (i = 0; i < min; i++) { + /* T[i] = A[i] - B[i] - U */ + *tmpc = (*tmpa++ - *tmpb++) - u; - /* U = carry bit of T[i] - * Note this saves performing an AND operation since - * if a carry does occur it will propagate all the way to the - * MSB. As a result a single shift is enough to get the carry - */ - u = *tmpc >> ((mp_digit)((CHAR_BIT * sizeof(mp_digit)) - 1)); + /* U = carry bit of T[i] + * Note this saves performing an AND operation since + * if a carry does occur it will propagate all the way to the + * MSB. As a result a single shift is enough to get the carry + */ + u = *tmpc >> ((mp_digit)((CHAR_BIT * sizeof(mp_digit)) - 1)); - /* Clear carry from T[i] */ - *tmpc++ &= MP_MASK; - } + /* Clear carry from T[i] */ + *tmpc++ &= MP_MASK; + } - /* now copy higher words if any, e.g. if A has more digits than B */ - for (; i < max; i++) { - /* T[i] = A[i] - U */ - *tmpc = *tmpa++ - u; + /* now copy higher words if any, e.g. if A has more digits than B */ + for (; i < max; i++) { + /* T[i] = A[i] - U */ + *tmpc = *tmpa++ - u; - /* U = carry bit of T[i] */ - u = *tmpc >> ((mp_digit)((CHAR_BIT * sizeof(mp_digit)) - 1)); + /* U = carry bit of T[i] */ + u = *tmpc >> ((mp_digit)((CHAR_BIT * sizeof(mp_digit)) - 1)); - /* Clear carry from T[i] */ - *tmpc++ &= MP_MASK; - } + /* Clear carry from T[i] */ + *tmpc++ &= MP_MASK; + } - /* clear digits above used (since we may not have grown result above) */ - for (i = c->used; i < olduse; i++) { - *tmpc++ = 0; - } - } + /* clear digits above used (since we may not have grown result above) */ + for (i = c->used; i < olduse; i++) { + *tmpc++ = 0; + } + } - mp_clamp (c); - return MP_OKAY; + mp_clamp(c); + return MP_OKAY; } #endif diff --git a/libtommath/bncore.c b/libtommath/bncore.c index e80ec99..cfd19f0 100644 --- a/libtommath/bncore.c +++ b/libtommath/bncore.c @@ -21,14 +21,14 @@ ------------------------------------------------------------- Intel P4 Northwood /GCC v3.4.1 / 88/ 128/LTM 0.32 ;-) AMD Athlon64 /GCC v3.4.4 / 80/ 120/LTM 0.35 - + */ int KARATSUBA_MUL_CUTOFF = 80, /* Min. number of digits before Karatsuba multiplication is used. */ KARATSUBA_SQR_CUTOFF = 120, /* Min. number of digits before Karatsuba squaring is used. */ - + TOOM_MUL_CUTOFF = 350, /* no optimal values of these are known yet so set em high */ - TOOM_SQR_CUTOFF = 400; + TOOM_SQR_CUTOFF = 400; #endif /* ref: $Format:%D$ */ diff --git a/libtommath/libtommath.dsp b/libtommath/libtommath.dsp new file mode 100644 index 0000000..71ac243 --- /dev/null +++ b/libtommath/libtommath.dsp @@ -0,0 +1,572 @@ +# Microsoft Developer Studio Project File - Name="libtommath" - Package Owner=<4>
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+Global
+ GlobalSection(SolutionConfigurationPlatforms) = preSolution
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+ EndGlobalSection
+ GlobalSection(ProjectConfigurationPlatforms) = postSolution
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+ {0272C9B2-D68B-4F24-B32D-C1FD552F7E51}.Release|Win32.Build.0 = Release|Win32
+ EndGlobalSection
+ GlobalSection(SolutionProperties) = preSolution
+ HideSolutionNode = FALSE
+ EndGlobalSection
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+ Name="Win32"
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+ </ToolFiles>
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+ IntermediateDirectory=".\Debug"
+ ConfigurationType="4"
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+ ATLMinimizesCRunTimeLibraryUsage="false"
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diff --git a/libtommath/libtommath_VS2008.sln b/libtommath/libtommath_VS2008.sln new file mode 100644 index 0000000..1327ccf --- /dev/null +++ b/libtommath/libtommath_VS2008.sln @@ -0,0 +1,20 @@ +
+Microsoft Visual Studio Solution File, Format Version 10.00
+# Visual Studio 2008
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+EndProject
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+ Debug|Win32 = Debug|Win32
+ Release|Win32 = Release|Win32
+ EndGlobalSection
+ GlobalSection(ProjectConfigurationPlatforms) = postSolution
+ {42109FEE-B0B9-4FCD-9E56-2863BF8C55D2}.Debug|Win32.ActiveCfg = Debug|Win32
+ {42109FEE-B0B9-4FCD-9E56-2863BF8C55D2}.Debug|Win32.Build.0 = Debug|Win32
+ {42109FEE-B0B9-4FCD-9E56-2863BF8C55D2}.Release|Win32.ActiveCfg = Release|Win32
+ {42109FEE-B0B9-4FCD-9E56-2863BF8C55D2}.Release|Win32.Build.0 = Release|Win32
+ EndGlobalSection
+ GlobalSection(SolutionProperties) = preSolution
+ HideSolutionNode = FALSE
+ EndGlobalSection
+EndGlobal
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+ </Globals>
+</VisualStudioProject>
diff --git a/libtommath/makefile b/libtommath/makefile index fdd2435..64d8fcd 100644 --- a/libtommath/makefile +++ b/libtommath/makefile @@ -149,3 +149,6 @@ new_file: perlcritic: perlcritic *.pl + +astyle: + astyle --options=astylerc $(OBJECTS:.o=.c) diff --git a/libtommath/tommath.h b/libtommath/tommath.h index 7d92d97..50a3a81 100644 --- a/libtommath/tommath.h +++ b/libtommath/tommath.h @@ -33,11 +33,13 @@ extern "C" { defined(__sparcv9) || defined(__sparc_v9__) || defined(__sparc64__) || \ defined(__ia64) || defined(__ia64__) || defined(__itanium__) || defined(_M_IA64) || \ defined(__LP64__) || defined(_LP64) || defined(__64BIT__) - #if !(defined(MP_32BIT) || defined(MP_16BIT) || defined(MP_8BIT)) - #define MP_64BIT - #endif +# if !(defined(MP_32BIT) || defined(MP_16BIT) || defined(MP_8BIT) || defined(_MSC_VER)) +# define MP_64BIT +# endif #endif +typedef unsigned long long Tcl_WideUInt; + /* some default configurations. * * A "mp_digit" must be able to hold DIGIT_BIT + 1 bits @@ -47,68 +49,68 @@ extern "C" { * [any size beyond that is ok provided it doesn't overflow the data type] */ #ifdef MP_8BIT - typedef uint8_t mp_digit; - typedef uint16_t mp_word; -#define MP_SIZEOF_MP_DIGIT 1 -#ifdef DIGIT_BIT -#error You must not define DIGIT_BIT when using MP_8BIT -#endif +typedef uint8_t mp_digit; +typedef uint16_t mp_word; +# define MP_SIZEOF_MP_DIGIT 1 +# ifdef DIGIT_BIT +# error You must not define DIGIT_BIT when using MP_8BIT +# endif #elif defined(MP_16BIT) - typedef uint16_t mp_digit; - typedef uint32_t mp_word; -#define MP_SIZEOF_MP_DIGIT 2 -#ifdef DIGIT_BIT -#error You must not define DIGIT_BIT when using MP_16BIT -#endif +typedef uint16_t mp_digit; +typedef uint32_t mp_word; +# define MP_SIZEOF_MP_DIGIT 2 +# ifdef DIGIT_BIT +# error You must not define DIGIT_BIT when using MP_16BIT +# endif #elif defined(MP_64BIT) - /* for GCC only on supported platforms */ - typedef uint64_t mp_digit; -#if defined(_WIN32) - typedef unsigned __int128 mp_word; -#elif defined(__GNUC__) - typedef unsigned long mp_word __attribute__ ((mode(TI))); -#else - /* it seems you have a problem - * but we assume you can somewhere define your own uint128_t */ - typedef uint128_t mp_word; -#endif - - #define DIGIT_BIT 60 +/* for GCC only on supported platforms */ +typedef uint64_t mp_digit; +# if defined(_WIN32) +typedef unsigned __int128 mp_word; +# elif defined(__GNUC__) +typedef unsigned long mp_word __attribute__((mode(TI))); +# else +/* it seems you have a problem + * but we assume you can somewhere define your own uint128_t */ +typedef uint128_t mp_word; +# endif + +# define DIGIT_BIT 60 #else - /* this is the default case, 28-bit digits */ - - /* this is to make porting into LibTomCrypt easier :-) */ - typedef uint32_t mp_digit; - typedef uint64_t mp_word; - -#ifdef MP_31BIT - /* this is an extension that uses 31-bit digits */ - #define DIGIT_BIT 31 -#else - /* default case is 28-bit digits, defines MP_28BIT as a handy macro to test */ - #define DIGIT_BIT 28 - #define MP_28BIT -#endif +/* this is the default case, 28-bit digits */ + +/* this is to make porting into LibTomCrypt easier :-) */ +typedef uint32_t mp_digit; +typedef uint64_t mp_word; + +# ifdef MP_31BIT +/* this is an extension that uses 31-bit digits */ +# define DIGIT_BIT 31 +# else +/* default case is 28-bit digits, defines MP_28BIT as a handy macro to test */ +# define DIGIT_BIT 28 +# define MP_28BIT +# endif #endif /* otherwise the bits per digit is calculated automatically from the size of a mp_digit */ #ifndef DIGIT_BIT - #define DIGIT_BIT (((CHAR_BIT * MP_SIZEOF_MP_DIGIT) - 1)) /* bits per digit */ - typedef uint_least32_t mp_min_u32; +# define DIGIT_BIT (((CHAR_BIT * MP_SIZEOF_MP_DIGIT) - 1)) /* bits per digit */ +typedef uint_least32_t mp_min_u32; #else - typedef mp_digit mp_min_u32; +typedef mp_digit mp_min_u32; #endif /* use arc4random on platforms that support it */ #if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__DragonFly__) - #define MP_GEN_RANDOM() arc4random() - #define MP_GEN_RANDOM_MAX 0xffffffff +# define MP_GEN_RANDOM() arc4random() +# define MP_GEN_RANDOM_MAX 0xffffffff #endif /* use rand() as fall-back if there's no better rand function */ #ifndef MP_GEN_RANDOM - #define MP_GEN_RANDOM() rand() - #define MP_GEN_RANDOM_MAX RAND_MAX +# define MP_GEN_RANDOM() rand() +# define MP_GEN_RANDOM_MAX RAND_MAX #endif #define MP_DIGIT_BIT DIGIT_BIT @@ -140,20 +142,20 @@ typedef int mp_err; /* you'll have to tune these... */ extern int KARATSUBA_MUL_CUTOFF, - KARATSUBA_SQR_CUTOFF, - TOOM_MUL_CUTOFF, - TOOM_SQR_CUTOFF; + KARATSUBA_SQR_CUTOFF, + TOOM_MUL_CUTOFF, + TOOM_SQR_CUTOFF; /* define this to use lower memory usage routines (exptmods mostly) */ /* #define MP_LOW_MEM */ /* default precision */ #ifndef MP_PREC - #ifndef MP_LOW_MEM - #define MP_PREC 32 /* default digits of precision */ - #else - #define MP_PREC 8 /* default digits of precision */ - #endif +# ifndef MP_LOW_MEM +# define MP_PREC 32 /* default digits of precision */ +# else +# define MP_PREC 8 /* default digits of precision */ +# endif #endif /* size of comba arrays, should be at least 2 * 2**(BITS_PER_WORD - BITS_PER_DIGIT*2) */ @@ -161,17 +163,17 @@ extern int KARATSUBA_MUL_CUTOFF, /* the infamous mp_int structure */ typedef struct { - int used, alloc, sign; - mp_digit *dp; + int used, alloc, sign; + mp_digit *dp; } mp_int; /* callback for mp_prime_random, should fill dst with random bytes and return how many read [upto len] */ typedef int ltm_prime_callback(unsigned char *dst, int len, void *dat); -#define USED(m) ((m)->used) -#define DIGIT(m,k) ((m)->dp[(k)]) -#define SIGN(m) ((m)->sign) +#define USED(m) ((m)->used) +#define DIGIT(m, k) ((m)->dp[(k)]) +#define SIGN(m) ((m)->sign) /* error code to char* string */ const char *mp_error_to_string(int code); @@ -220,22 +222,22 @@ int mp_set_int(mp_int *a, unsigned long b); int mp_set_long(mp_int *a, unsigned long b); /* set a platform dependent unsigned long long value */ -int mp_set_long_long(mp_int *a, unsigned long long b); +int mp_set_long_long(mp_int *a, Tcl_WideUInt b); /* get a 32-bit value */ -unsigned long mp_get_int(mp_int * a); +unsigned long mp_get_int(const mp_int *a); /* get a platform dependent unsigned long value */ -unsigned long mp_get_long(mp_int * a); +unsigned long mp_get_long(const mp_int *a); /* get a platform dependent unsigned long long value */ -unsigned long long mp_get_long_long(mp_int * a); +Tcl_WideUInt mp_get_long_long(const mp_int *a); /* initialize and set a digit */ -int mp_init_set (mp_int * a, mp_digit b); +int mp_init_set(mp_int *a, mp_digit b); /* initialize and set 32-bit value */ -int mp_init_set_int (mp_int * a, unsigned long b); +int mp_init_set_int(mp_int *a, unsigned long b); /* copy, b = a */ int mp_copy(const mp_int *a, mp_int *b); @@ -247,10 +249,10 @@ int mp_init_copy(mp_int *a, const mp_int *b); void mp_clamp(mp_int *a); /* import binary data */ -int mp_import(mp_int* rop, size_t count, int order, size_t size, int endian, size_t nails, const void* op); +int mp_import(mp_int *rop, size_t count, int order, size_t size, int endian, size_t nails, const void *op); /* export binary data */ -int mp_export(void* rop, size_t* countp, int order, size_t size, int endian, size_t nails, mp_int* op); +int mp_export(void *rop, size_t *countp, int order, size_t size, int endian, size_t nails, const mp_int *op); /* ---> digit manipulation <--- */ @@ -264,13 +266,13 @@ int mp_lshd(mp_int *a, int b); int mp_div_2d(const mp_int *a, int b, mp_int *c, mp_int *d); /* b = a/2 */ -int mp_div_2(mp_int *a, mp_int *b); +int mp_div_2(const mp_int *a, mp_int *b); /* c = a * 2**b, implemented as c = a << b */ int mp_mul_2d(const mp_int *a, int b, mp_int *c); /* b = a*2 */ -int mp_mul_2(mp_int *a, mp_int *b); +int mp_mul_2(const mp_int *a, mp_int *b); /* c = a mod 2**b */ int mp_mod_2d(const mp_int *a, int b, mp_int *c); @@ -288,13 +290,13 @@ int mp_rand(mp_int *a, int digits); /* ---> binary operations <--- */ /* c = a XOR b */ -int mp_xor(mp_int *a, mp_int *b, mp_int *c); +int mp_xor(const mp_int *a, const mp_int *b, mp_int *c); /* c = a OR b */ -int mp_or(mp_int *a, mp_int *b, mp_int *c); +int mp_or(const mp_int *a, const mp_int *b, mp_int *c); /* c = a AND b */ -int mp_and(mp_int *a, mp_int *b, mp_int *c); +int mp_and(const mp_int *a, const mp_int *b, mp_int *c); /* ---> Basic arithmetic <--- */ @@ -302,7 +304,7 @@ int mp_and(mp_int *a, mp_int *b, mp_int *c); int mp_neg(const mp_int *a, mp_int *b); /* b = |a| */ -int mp_abs(mp_int *a, mp_int *b); +int mp_abs(const mp_int *a, mp_int *b); /* compare a to b */ int mp_cmp(const mp_int *a, const mp_int *b); @@ -311,22 +313,22 @@ int mp_cmp(const mp_int *a, const mp_int *b); int mp_cmp_mag(const mp_int *a, const mp_int *b); /* c = a + b */ -int mp_add(mp_int *a, mp_int *b, mp_int *c); +int mp_add(const mp_int *a, const mp_int *b, mp_int *c); /* c = a - b */ -int mp_sub(mp_int *a, mp_int *b, mp_int *c); +int mp_sub(const mp_int *a, const mp_int *b, mp_int *c); /* c = a * b */ -int mp_mul(mp_int *a, mp_int *b, mp_int *c); +int mp_mul(const mp_int *a, const mp_int *b, mp_int *c); /* b = a*a */ -int mp_sqr(mp_int *a, mp_int *b); +int mp_sqr(const mp_int *a, mp_int *b); /* a/b => cb + d == a */ -int mp_div(mp_int *a, mp_int *b, mp_int *c, mp_int *d); +int mp_div(const mp_int *a, const mp_int *b, mp_int *c, mp_int *d); /* c = a mod b, 0 <= c < b */ -int mp_mod(mp_int *a, mp_int *b, mp_int *c); +int mp_mod(const mp_int *a, const mp_int *b, mp_int *c); /* ---> single digit functions <--- */ @@ -334,147 +336,147 @@ int mp_mod(mp_int *a, mp_int *b, mp_int *c); int mp_cmp_d(const mp_int *a, mp_digit b); /* c = a + b */ -int mp_add_d(mp_int *a, mp_digit b, mp_int *c); +int mp_add_d(const mp_int *a, mp_digit b, mp_int *c); /* c = a - b */ -int mp_sub_d(mp_int *a, mp_digit b, mp_int *c); +int mp_sub_d(const mp_int *a, mp_digit b, mp_int *c); /* c = a * b */ -int mp_mul_d(mp_int *a, mp_digit b, mp_int *c); +int mp_mul_d(const mp_int *a, mp_digit b, mp_int *c); /* a/b => cb + d == a */ -int mp_div_d(mp_int *a, mp_digit b, mp_int *c, mp_digit *d); +int mp_div_d(const mp_int *a, mp_digit b, mp_int *c, mp_digit *d); /* a/3 => 3c + d == a */ -int mp_div_3(mp_int *a, mp_int *c, mp_digit *d); +int mp_div_3(const mp_int *a, mp_int *c, mp_digit *d); /* c = a**b */ -int mp_expt_d(mp_int *a, mp_digit b, mp_int *c); -int mp_expt_d_ex (mp_int * a, mp_digit b, mp_int * c, int fast); +int mp_expt_d(const mp_int *a, mp_digit b, mp_int *c); +int mp_expt_d_ex(const mp_int *a, mp_digit b, mp_int *c, int fast); /* c = a mod b, 0 <= c < b */ -int mp_mod_d(mp_int *a, mp_digit b, mp_digit *c); +int mp_mod_d(const mp_int *a, mp_digit b, mp_digit *c); /* ---> number theory <--- */ /* d = a + b (mod c) */ -int mp_addmod(mp_int *a, mp_int *b, mp_int *c, mp_int *d); +int mp_addmod(const mp_int *a, const mp_int *b, const mp_int *c, mp_int *d); /* d = a - b (mod c) */ -int mp_submod(mp_int *a, mp_int *b, mp_int *c, mp_int *d); +int mp_submod(const mp_int *a, const mp_int *b, const mp_int *c, mp_int *d); /* d = a * b (mod c) */ -int mp_mulmod(mp_int *a, mp_int *b, mp_int *c, mp_int *d); +int mp_mulmod(const mp_int *a, const mp_int *b, const mp_int *c, mp_int *d); /* c = a * a (mod b) */ -int mp_sqrmod(mp_int *a, mp_int *b, mp_int *c); +int mp_sqrmod(const mp_int *a, const mp_int *b, mp_int *c); /* c = 1/a (mod b) */ -int mp_invmod(mp_int *a, mp_int *b, mp_int *c); +int mp_invmod(const mp_int *a, const mp_int *b, mp_int *c); /* c = (a, b) */ -int mp_gcd(mp_int *a, mp_int *b, mp_int *c); +int mp_gcd(const mp_int *a, const mp_int *b, mp_int *c); /* produces value such that U1*a + U2*b = U3 */ -int mp_exteuclid(mp_int *a, mp_int *b, mp_int *U1, mp_int *U2, mp_int *U3); +int mp_exteuclid(const mp_int *a, const mp_int *b, mp_int *U1, mp_int *U2, mp_int *U3); /* c = [a, b] or (a*b)/(a, b) */ -int mp_lcm(mp_int *a, mp_int *b, mp_int *c); +int mp_lcm(const mp_int *a, const mp_int *b, mp_int *c); /* finds one of the b'th root of a, such that |c|**b <= |a| * * returns error if a < 0 and b is even */ -int mp_n_root(mp_int *a, mp_digit b, mp_int *c); -int mp_n_root_ex (mp_int * a, mp_digit b, mp_int * c, int fast); +int mp_n_root(const mp_int *a, mp_digit b, mp_int *c); +int mp_n_root_ex(const mp_int *a, mp_digit b, mp_int *c, int fast); /* special sqrt algo */ -int mp_sqrt(mp_int *arg, mp_int *ret); +int mp_sqrt(const mp_int *arg, mp_int *ret); /* special sqrt (mod prime) */ -int mp_sqrtmod_prime(mp_int *arg, mp_int *prime, mp_int *ret); +int mp_sqrtmod_prime(const mp_int *arg, const mp_int *prime, mp_int *ret); /* is number a square? */ -int mp_is_square(mp_int *arg, int *ret); +int mp_is_square(const mp_int *arg, int *ret); /* computes the jacobi c = (a | n) (or Legendre if b is prime) */ -int mp_jacobi(mp_int *a, mp_int *n, int *c); +int mp_jacobi(const mp_int *a, const mp_int *n, int *c); /* used to setup the Barrett reduction for a given modulus b */ -int mp_reduce_setup(mp_int *a, mp_int *b); +int mp_reduce_setup(mp_int *a, const mp_int *b); /* Barrett Reduction, computes a (mod b) with a precomputed value c * * Assumes that 0 < a <= b*b, note if 0 > a > -(b*b) then you can merely * compute the reduction as -1 * mp_reduce(mp_abs(a)) [pseudo code]. */ -int mp_reduce(mp_int *a, mp_int *b, mp_int *c); +int mp_reduce(mp_int *a, const mp_int *b, const mp_int *c); /* setups the montgomery reduction */ -int mp_montgomery_setup(mp_int *a, mp_digit *mp); +int mp_montgomery_setup(const mp_int *a, mp_digit *mp); /* computes a = B**n mod b without division or multiplication useful for * normalizing numbers in a Montgomery system. */ -int mp_montgomery_calc_normalization(mp_int *a, mp_int *b); +int mp_montgomery_calc_normalization(mp_int *a, const mp_int *b); /* computes x/R == x (mod N) via Montgomery Reduction */ -int mp_montgomery_reduce(mp_int *a, mp_int *m, mp_digit mp); +int mp_montgomery_reduce(mp_int *a, const mp_int *m, mp_digit mp); /* returns 1 if a is a valid DR modulus */ -int mp_dr_is_modulus(mp_int *a); +int mp_dr_is_modulus(const mp_int *a); /* sets the value of "d" required for mp_dr_reduce */ -void mp_dr_setup(mp_int *a, mp_digit *d); +void mp_dr_setup(const mp_int *a, mp_digit *d); /* reduces a modulo b using the Diminished Radix method */ -int mp_dr_reduce(mp_int *a, mp_int *b, mp_digit mp); +int mp_dr_reduce(mp_int *a, const mp_int *b, mp_digit mp); /* returns true if a can be reduced with mp_reduce_2k */ -int mp_reduce_is_2k(mp_int *a); +int mp_reduce_is_2k(const mp_int *a); /* determines k value for 2k reduction */ -int mp_reduce_2k_setup(mp_int *a, mp_digit *d); +int mp_reduce_2k_setup(const mp_int *a, mp_digit *d); /* reduces a modulo b where b is of the form 2**p - k [0 <= a] */ -int mp_reduce_2k(mp_int *a, mp_int *n, mp_digit d); +int mp_reduce_2k(mp_int *a, const mp_int *n, mp_digit d); /* returns true if a can be reduced with mp_reduce_2k_l */ -int mp_reduce_is_2k_l(mp_int *a); +int mp_reduce_is_2k_l(const mp_int *a); /* determines k value for 2k reduction */ -int mp_reduce_2k_setup_l(mp_int *a, mp_int *d); +int mp_reduce_2k_setup_l(const mp_int *a, mp_int *d); /* reduces a modulo b where b is of the form 2**p - k [0 <= a] */ -int mp_reduce_2k_l(mp_int *a, mp_int *n, mp_int *d); +int mp_reduce_2k_l(mp_int *a, const mp_int *n, const mp_int *d); /* d = a**b (mod c) */ -int mp_exptmod(mp_int *a, mp_int *b, mp_int *c, mp_int *d); +int mp_exptmod(const mp_int *a, const mp_int *b, const mp_int *c, mp_int *d); /* ---> Primes <--- */ /* number of primes */ #ifdef MP_8BIT -# define PRIME_SIZE 31 +# define PRIME_SIZE 31 #else -# define PRIME_SIZE 256 +# define PRIME_SIZE 256 #endif /* table of first PRIME_SIZE primes */ extern const mp_digit ltm_prime_tab[PRIME_SIZE]; /* result=1 if a is divisible by one of the first PRIME_SIZE primes */ -int mp_prime_is_divisible(mp_int *a, int *result); +int mp_prime_is_divisible(const mp_int *a, int *result); /* performs one Fermat test of "a" using base "b". * Sets result to 0 if composite or 1 if probable prime */ -int mp_prime_fermat(mp_int *a, mp_int *b, int *result); +int mp_prime_fermat(const mp_int *a, const mp_int *b, int *result); /* performs one Miller-Rabin test of "a" using base "b". * Sets result to 0 if composite or 1 if probable prime */ -int mp_prime_miller_rabin(mp_int *a, mp_int *b, int *result); +int mp_prime_miller_rabin(const mp_int *a, const mp_int *b, int *result); /* This gives [for a given bit size] the number of trials required * such that Miller-Rabin gives a prob of failure lower than 2^-96 @@ -488,7 +490,7 @@ int mp_prime_rabin_miller_trials(int size); * * Sets result to 1 if probably prime, 0 otherwise */ -int mp_prime_is_prime(mp_int *a, int t, int *result); +int mp_prime_is_prime(const mp_int *a, int t, int *result); /* finds the next prime after the number "a" using "t" trials * of Miller-Rabin. @@ -526,24 +528,24 @@ int mp_prime_random_ex(mp_int *a, int t, int size, int flags, ltm_prime_callback /* ---> radix conversion <--- */ int mp_count_bits(const mp_int *a); -int mp_unsigned_bin_size(mp_int *a); +int mp_unsigned_bin_size(const mp_int *a); int mp_read_unsigned_bin(mp_int *a, const unsigned char *b, int c); -int mp_to_unsigned_bin(mp_int *a, unsigned char *b); -int mp_to_unsigned_bin_n (mp_int * a, unsigned char *b, unsigned long *outlen); +int mp_to_unsigned_bin(const mp_int *a, unsigned char *b); +int mp_to_unsigned_bin_n(const mp_int *a, unsigned char *b, unsigned long *outlen); -int mp_signed_bin_size(mp_int *a); +int mp_signed_bin_size(const mp_int *a); int mp_read_signed_bin(mp_int *a, const unsigned char *b, int c); -int mp_to_signed_bin(mp_int *a, unsigned char *b); -int mp_to_signed_bin_n (mp_int * a, unsigned char *b, unsigned long *outlen); +int mp_to_signed_bin(const mp_int *a, unsigned char *b); +int mp_to_signed_bin_n(const mp_int *a, unsigned char *b, unsigned long *outlen); int mp_read_radix(mp_int *a, const char *str, int radix); -int mp_toradix(mp_int *a, char *str, int radix); -int mp_toradix_n(mp_int * a, char *str, int radix, int maxlen); +int mp_toradix(const mp_int *a, char *str, int radix); +int mp_toradix_n(const mp_int *a, char *str, int radix, int maxlen); int mp_radix_size(const mp_int *a, int radix, int *size); #ifndef LTM_NO_FILE int mp_fread(mp_int *a, int radix, FILE *stream); -int mp_fwrite(mp_int *a, int radix, FILE *stream); +int mp_fwrite(const mp_int *a, int radix, FILE *stream); #endif #define mp_read_raw(mp, str, len) mp_read_signed_bin((mp), (str), (len)) @@ -559,7 +561,7 @@ int mp_fwrite(mp_int *a, int radix, FILE *stream); #define mp_tohex(M, S) mp_toradix((M), (S), 16) #ifdef __cplusplus - } +} #endif #endif diff --git a/libtommath/tommath_class.h b/libtommath/tommath_class.h index e860613..f700d66 100644 --- a/libtommath/tommath_class.h +++ b/libtommath/tommath_class.h @@ -1,220 +1,220 @@ #if !(defined(LTM1) && defined(LTM2) && defined(LTM3)) #if defined(LTM2) -#define LTM3 +# define LTM3 #endif #if defined(LTM1) -#define LTM2 +# define LTM2 #endif #define LTM1 #if defined(LTM_ALL) -#define BN_ERROR_C -#define BN_FAST_MP_INVMOD_C -#define BN_FAST_MP_MONTGOMERY_REDUCE_C -#define BN_FAST_S_MP_MUL_DIGS_C -#define BN_FAST_S_MP_MUL_HIGH_DIGS_C -#define BN_FAST_S_MP_SQR_C -#define BN_MP_2EXPT_C -#define BN_MP_ABS_C -#define BN_MP_ADD_C -#define BN_MP_ADD_D_C -#define BN_MP_ADDMOD_C -#define BN_MP_AND_C -#define BN_MP_CLAMP_C -#define BN_MP_CLEAR_C -#define BN_MP_CLEAR_MULTI_C -#define BN_MP_CMP_C -#define BN_MP_CMP_D_C -#define BN_MP_CMP_MAG_C -#define BN_MP_CNT_LSB_C -#define BN_MP_COPY_C -#define BN_MP_COUNT_BITS_C -#define BN_MP_DIV_C -#define BN_MP_DIV_2_C -#define BN_MP_DIV_2D_C -#define BN_MP_DIV_3_C -#define BN_MP_DIV_D_C -#define BN_MP_DR_IS_MODULUS_C -#define BN_MP_DR_REDUCE_C -#define BN_MP_DR_SETUP_C -#define BN_MP_EXCH_C -#define BN_MP_EXPORT_C -#define BN_MP_EXPT_D_C -#define BN_MP_EXPT_D_EX_C -#define BN_MP_EXPTMOD_C -#define BN_MP_EXPTMOD_FAST_C -#define BN_MP_EXTEUCLID_C -#define BN_MP_FREAD_C -#define BN_MP_FWRITE_C -#define BN_MP_GCD_C -#define BN_MP_GET_INT_C -#define BN_MP_GET_LONG_C -#define BN_MP_GET_LONG_LONG_C -#define BN_MP_GROW_C -#define BN_MP_IMPORT_C -#define BN_MP_INIT_C -#define BN_MP_INIT_COPY_C -#define BN_MP_INIT_MULTI_C -#define BN_MP_INIT_SET_C -#define BN_MP_INIT_SET_INT_C -#define BN_MP_INIT_SIZE_C -#define BN_MP_INVMOD_C -#define BN_MP_INVMOD_SLOW_C -#define BN_MP_IS_SQUARE_C -#define BN_MP_JACOBI_C -#define BN_MP_KARATSUBA_MUL_C -#define BN_MP_KARATSUBA_SQR_C -#define BN_MP_LCM_C -#define BN_MP_LSHD_C -#define BN_MP_MOD_C -#define BN_MP_MOD_2D_C -#define BN_MP_MOD_D_C -#define BN_MP_MONTGOMERY_CALC_NORMALIZATION_C -#define BN_MP_MONTGOMERY_REDUCE_C -#define BN_MP_MONTGOMERY_SETUP_C -#define BN_MP_MUL_C -#define BN_MP_MUL_2_C -#define BN_MP_MUL_2D_C -#define BN_MP_MUL_D_C -#define BN_MP_MULMOD_C -#define BN_MP_N_ROOT_C -#define BN_MP_N_ROOT_EX_C -#define BN_MP_NEG_C -#define BN_MP_OR_C -#define BN_MP_PRIME_FERMAT_C -#define BN_MP_PRIME_IS_DIVISIBLE_C -#define BN_MP_PRIME_IS_PRIME_C -#define BN_MP_PRIME_MILLER_RABIN_C -#define BN_MP_PRIME_NEXT_PRIME_C -#define BN_MP_PRIME_RABIN_MILLER_TRIALS_C -#define BN_MP_PRIME_RANDOM_EX_C -#define BN_MP_RADIX_SIZE_C -#define BN_MP_RADIX_SMAP_C -#define BN_MP_RAND_C -#define BN_MP_READ_RADIX_C -#define BN_MP_READ_SIGNED_BIN_C -#define BN_MP_READ_UNSIGNED_BIN_C -#define BN_MP_REDUCE_C -#define BN_MP_REDUCE_2K_C -#define BN_MP_REDUCE_2K_L_C -#define BN_MP_REDUCE_2K_SETUP_C -#define BN_MP_REDUCE_2K_SETUP_L_C -#define BN_MP_REDUCE_IS_2K_C -#define BN_MP_REDUCE_IS_2K_L_C -#define BN_MP_REDUCE_SETUP_C -#define BN_MP_RSHD_C -#define BN_MP_SET_C -#define BN_MP_SET_INT_C -#define BN_MP_SET_LONG_C -#define BN_MP_SET_LONG_LONG_C -#define BN_MP_SHRINK_C -#define BN_MP_SIGNED_BIN_SIZE_C -#define BN_MP_SQR_C -#define BN_MP_SQRMOD_C -#define BN_MP_SQRT_C -#define BN_MP_SQRTMOD_PRIME_C -#define BN_MP_SUB_C -#define BN_MP_SUB_D_C -#define BN_MP_SUBMOD_C -#define BN_MP_TO_SIGNED_BIN_C -#define BN_MP_TO_SIGNED_BIN_N_C -#define BN_MP_TO_UNSIGNED_BIN_C -#define BN_MP_TO_UNSIGNED_BIN_N_C -#define BN_MP_TOOM_MUL_C -#define BN_MP_TOOM_SQR_C -#define BN_MP_TORADIX_C -#define BN_MP_TORADIX_N_C -#define BN_MP_UNSIGNED_BIN_SIZE_C -#define BN_MP_XOR_C -#define BN_MP_ZERO_C -#define BN_PRIME_TAB_C -#define BN_REVERSE_C -#define BN_S_MP_ADD_C -#define BN_S_MP_EXPTMOD_C -#define BN_S_MP_MUL_DIGS_C -#define BN_S_MP_MUL_HIGH_DIGS_C -#define BN_S_MP_SQR_C -#define BN_S_MP_SUB_C -#define BNCORE_C +# define BN_ERROR_C +# define BN_FAST_MP_INVMOD_C +# define BN_FAST_MP_MONTGOMERY_REDUCE_C +# define BN_FAST_S_MP_MUL_DIGS_C +# define BN_FAST_S_MP_MUL_HIGH_DIGS_C +# define BN_FAST_S_MP_SQR_C +# define BN_MP_2EXPT_C +# define BN_MP_ABS_C +# define BN_MP_ADD_C +# define BN_MP_ADD_D_C +# define BN_MP_ADDMOD_C +# define BN_MP_AND_C +# define BN_MP_CLAMP_C +# define BN_MP_CLEAR_C +# define BN_MP_CLEAR_MULTI_C +# define BN_MP_CMP_C +# define BN_MP_CMP_D_C +# define BN_MP_CMP_MAG_C +# define BN_MP_CNT_LSB_C +# define BN_MP_COPY_C +# define BN_MP_COUNT_BITS_C +# define BN_MP_DIV_C +# define BN_MP_DIV_2_C +# define BN_MP_DIV_2D_C +# define BN_MP_DIV_3_C +# define BN_MP_DIV_D_C +# define BN_MP_DR_IS_MODULUS_C +# define BN_MP_DR_REDUCE_C +# define BN_MP_DR_SETUP_C +# define BN_MP_EXCH_C +# define BN_MP_EXPORT_C +# define BN_MP_EXPT_D_C +# define BN_MP_EXPT_D_EX_C +# define BN_MP_EXPTMOD_C +# define BN_MP_EXPTMOD_FAST_C +# define BN_MP_EXTEUCLID_C +# define BN_MP_FREAD_C +# define BN_MP_FWRITE_C +# define BN_MP_GCD_C +# define BN_MP_GET_INT_C +# define BN_MP_GET_LONG_C +# define BN_MP_GET_LONG_LONG_C +# define BN_MP_GROW_C +# define BN_MP_IMPORT_C +# define BN_MP_INIT_C +# define BN_MP_INIT_COPY_C +# define BN_MP_INIT_MULTI_C +# define BN_MP_INIT_SET_C +# define BN_MP_INIT_SET_INT_C +# define BN_MP_INIT_SIZE_C +# define BN_MP_INVMOD_C +# define BN_MP_INVMOD_SLOW_C +# define BN_MP_IS_SQUARE_C +# define BN_MP_JACOBI_C +# define BN_MP_KARATSUBA_MUL_C +# define BN_MP_KARATSUBA_SQR_C +# define BN_MP_LCM_C +# define BN_MP_LSHD_C +# define BN_MP_MOD_C +# define BN_MP_MOD_2D_C +# define BN_MP_MOD_D_C +# define BN_MP_MONTGOMERY_CALC_NORMALIZATION_C +# define BN_MP_MONTGOMERY_REDUCE_C +# define BN_MP_MONTGOMERY_SETUP_C +# define BN_MP_MUL_C +# define BN_MP_MUL_2_C +# define BN_MP_MUL_2D_C +# define BN_MP_MUL_D_C +# define BN_MP_MULMOD_C +# define BN_MP_N_ROOT_C +# define BN_MP_N_ROOT_EX_C +# define BN_MP_NEG_C +# define BN_MP_OR_C +# define BN_MP_PRIME_FERMAT_C +# define BN_MP_PRIME_IS_DIVISIBLE_C +# define BN_MP_PRIME_IS_PRIME_C +# define BN_MP_PRIME_MILLER_RABIN_C +# define BN_MP_PRIME_NEXT_PRIME_C +# define BN_MP_PRIME_RABIN_MILLER_TRIALS_C +# define BN_MP_PRIME_RANDOM_EX_C +# define BN_MP_RADIX_SIZE_C +# define BN_MP_RADIX_SMAP_C +# define BN_MP_RAND_C +# define BN_MP_READ_RADIX_C +# define BN_MP_READ_SIGNED_BIN_C +# define BN_MP_READ_UNSIGNED_BIN_C +# define BN_MP_REDUCE_C +# define BN_MP_REDUCE_2K_C +# define BN_MP_REDUCE_2K_L_C +# define BN_MP_REDUCE_2K_SETUP_C +# define BN_MP_REDUCE_2K_SETUP_L_C +# define BN_MP_REDUCE_IS_2K_C +# define BN_MP_REDUCE_IS_2K_L_C +# define BN_MP_REDUCE_SETUP_C +# define BN_MP_RSHD_C +# define BN_MP_SET_C +# define BN_MP_SET_INT_C +# define BN_MP_SET_LONG_C +# define BN_MP_SET_LONG_LONG_C +# define BN_MP_SHRINK_C +# define BN_MP_SIGNED_BIN_SIZE_C +# define BN_MP_SQR_C +# define BN_MP_SQRMOD_C +# define BN_MP_SQRT_C +# define BN_MP_SQRTMOD_PRIME_C +# define BN_MP_SUB_C +# define BN_MP_SUB_D_C +# define BN_MP_SUBMOD_C +# define BN_MP_TO_SIGNED_BIN_C +# define BN_MP_TO_SIGNED_BIN_N_C +# define BN_MP_TO_UNSIGNED_BIN_C +# define BN_MP_TO_UNSIGNED_BIN_N_C +# define BN_MP_TOOM_MUL_C +# define BN_MP_TOOM_SQR_C +# define BN_MP_TORADIX_C +# define BN_MP_TORADIX_N_C +# define BN_MP_UNSIGNED_BIN_SIZE_C +# define BN_MP_XOR_C +# define BN_MP_ZERO_C +# define BN_PRIME_TAB_C +# define BN_REVERSE_C +# define BN_S_MP_ADD_C +# define BN_S_MP_EXPTMOD_C +# define BN_S_MP_MUL_DIGS_C +# define BN_S_MP_MUL_HIGH_DIGS_C +# define BN_S_MP_SQR_C +# define BN_S_MP_SUB_C +# define BNCORE_C #endif #if defined(BN_ERROR_C) - #define BN_MP_ERROR_TO_STRING_C +# define BN_MP_ERROR_TO_STRING_C #endif #if defined(BN_FAST_MP_INVMOD_C) - #define BN_MP_ISEVEN_C - #define BN_MP_INIT_MULTI_C - #define BN_MP_COPY_C - #define BN_MP_MOD_C - #define BN_MP_SET_C - #define BN_MP_DIV_2_C - #define BN_MP_ISODD_C - #define BN_MP_SUB_C - #define BN_MP_CMP_C - #define BN_MP_ISZERO_C - #define BN_MP_CMP_D_C - #define BN_MP_ADD_C - #define BN_MP_EXCH_C - #define BN_MP_CLEAR_MULTI_C +# define BN_MP_ISEVEN_C +# define BN_MP_INIT_MULTI_C +# define BN_MP_COPY_C +# define BN_MP_MOD_C +# define BN_MP_SET_C +# define BN_MP_DIV_2_C +# define BN_MP_ISODD_C +# define BN_MP_SUB_C +# define BN_MP_CMP_C +# define BN_MP_ISZERO_C +# define BN_MP_CMP_D_C +# define BN_MP_ADD_C +# define BN_MP_EXCH_C +# define BN_MP_CLEAR_MULTI_C #endif #if defined(BN_FAST_MP_MONTGOMERY_REDUCE_C) - #define BN_MP_GROW_C - #define BN_MP_RSHD_C - #define BN_MP_CLAMP_C - #define BN_MP_CMP_MAG_C - #define BN_S_MP_SUB_C +# define BN_MP_GROW_C +# define BN_MP_RSHD_C +# define BN_MP_CLAMP_C +# define BN_MP_CMP_MAG_C +# define BN_S_MP_SUB_C #endif #if defined(BN_FAST_S_MP_MUL_DIGS_C) - #define BN_MP_GROW_C - #define BN_MP_CLAMP_C +# define BN_MP_GROW_C +# define BN_MP_CLAMP_C #endif #if defined(BN_FAST_S_MP_MUL_HIGH_DIGS_C) - #define BN_MP_GROW_C - #define BN_MP_CLAMP_C +# define BN_MP_GROW_C +# define BN_MP_CLAMP_C #endif #if defined(BN_FAST_S_MP_SQR_C) - #define BN_MP_GROW_C - #define BN_MP_CLAMP_C +# define BN_MP_GROW_C +# define BN_MP_CLAMP_C #endif #if defined(BN_MP_2EXPT_C) - #define BN_MP_ZERO_C - #define BN_MP_GROW_C +# define BN_MP_ZERO_C +# define BN_MP_GROW_C #endif #if defined(BN_MP_ABS_C) - #define BN_MP_COPY_C +# define BN_MP_COPY_C #endif #if defined(BN_MP_ADD_C) - #define BN_S_MP_ADD_C - #define BN_MP_CMP_MAG_C - #define BN_S_MP_SUB_C +# define BN_S_MP_ADD_C +# define BN_MP_CMP_MAG_C +# define BN_S_MP_SUB_C #endif #if defined(BN_MP_ADD_D_C) - #define BN_MP_GROW_C - #define BN_MP_SUB_D_C - #define BN_MP_CLAMP_C +# define BN_MP_GROW_C +# define BN_MP_SUB_D_C +# define BN_MP_CLAMP_C #endif #if defined(BN_MP_ADDMOD_C) - #define BN_MP_INIT_C - #define BN_MP_ADD_C - #define BN_MP_CLEAR_C - #define BN_MP_MOD_C +# define BN_MP_INIT_C +# define BN_MP_ADD_C +# define BN_MP_CLEAR_C +# define BN_MP_MOD_C #endif #if defined(BN_MP_AND_C) - #define BN_MP_INIT_COPY_C - #define BN_MP_CLAMP_C - #define BN_MP_EXCH_C - #define BN_MP_CLEAR_C +# define BN_MP_INIT_COPY_C +# define BN_MP_CLAMP_C +# define BN_MP_EXCH_C +# define BN_MP_CLEAR_C #endif #if defined(BN_MP_CLAMP_C) @@ -224,11 +224,11 @@ #endif #if defined(BN_MP_CLEAR_MULTI_C) - #define BN_MP_CLEAR_C +# define BN_MP_CLEAR_C #endif #if defined(BN_MP_CMP_C) - #define BN_MP_CMP_MAG_C +# define BN_MP_CMP_MAG_C #endif #if defined(BN_MP_CMP_D_C) @@ -238,81 +238,81 @@ #endif #if defined(BN_MP_CNT_LSB_C) - #define BN_MP_ISZERO_C +# define BN_MP_ISZERO_C #endif #if defined(BN_MP_COPY_C) - #define BN_MP_GROW_C +# define BN_MP_GROW_C #endif #if defined(BN_MP_COUNT_BITS_C) #endif #if defined(BN_MP_DIV_C) - #define BN_MP_ISZERO_C - #define BN_MP_CMP_MAG_C - #define BN_MP_COPY_C - #define BN_MP_ZERO_C - #define BN_MP_INIT_MULTI_C - #define BN_MP_SET_C - #define BN_MP_COUNT_BITS_C - #define BN_MP_ABS_C - #define BN_MP_MUL_2D_C - #define BN_MP_CMP_C - #define BN_MP_SUB_C - #define BN_MP_ADD_C - #define BN_MP_DIV_2D_C - #define BN_MP_EXCH_C - #define BN_MP_CLEAR_MULTI_C - #define BN_MP_INIT_SIZE_C - #define BN_MP_INIT_C - #define BN_MP_INIT_COPY_C - #define BN_MP_LSHD_C - #define BN_MP_RSHD_C - #define BN_MP_MUL_D_C - #define BN_MP_CLAMP_C - #define BN_MP_CLEAR_C +# define BN_MP_ISZERO_C +# define BN_MP_CMP_MAG_C +# define BN_MP_COPY_C +# define BN_MP_ZERO_C +# define BN_MP_INIT_MULTI_C +# define BN_MP_SET_C +# define BN_MP_COUNT_BITS_C +# define BN_MP_ABS_C +# define BN_MP_MUL_2D_C +# define BN_MP_CMP_C +# define BN_MP_SUB_C +# define BN_MP_ADD_C +# define BN_MP_DIV_2D_C +# define BN_MP_EXCH_C +# define BN_MP_CLEAR_MULTI_C +# define BN_MP_INIT_SIZE_C +# define BN_MP_INIT_C +# define BN_MP_INIT_COPY_C +# define BN_MP_LSHD_C +# define BN_MP_RSHD_C +# define BN_MP_MUL_D_C +# define BN_MP_CLAMP_C +# define BN_MP_CLEAR_C #endif #if defined(BN_MP_DIV_2_C) - #define BN_MP_GROW_C - #define BN_MP_CLAMP_C +# define BN_MP_GROW_C +# define BN_MP_CLAMP_C #endif #if defined(BN_MP_DIV_2D_C) - #define BN_MP_COPY_C - #define BN_MP_ZERO_C - #define BN_MP_MOD_2D_C - #define BN_MP_RSHD_C - #define BN_MP_CLAMP_C +# define BN_MP_COPY_C +# define BN_MP_ZERO_C +# define BN_MP_MOD_2D_C +# define BN_MP_RSHD_C +# define BN_MP_CLAMP_C #endif #if defined(BN_MP_DIV_3_C) - #define BN_MP_INIT_SIZE_C - #define BN_MP_CLAMP_C - #define BN_MP_EXCH_C - #define BN_MP_CLEAR_C +# define BN_MP_INIT_SIZE_C +# define BN_MP_CLAMP_C +# define BN_MP_EXCH_C +# define BN_MP_CLEAR_C #endif #if defined(BN_MP_DIV_D_C) - #define BN_MP_ISZERO_C - #define BN_MP_COPY_C - #define BN_MP_DIV_2D_C - #define BN_MP_DIV_3_C - #define BN_MP_INIT_SIZE_C - #define BN_MP_CLAMP_C - #define BN_MP_EXCH_C - #define BN_MP_CLEAR_C +# define BN_MP_ISZERO_C +# define BN_MP_COPY_C +# define BN_MP_DIV_2D_C +# define BN_MP_DIV_3_C +# define BN_MP_INIT_SIZE_C +# define BN_MP_CLAMP_C +# define BN_MP_EXCH_C +# define BN_MP_CLEAR_C #endif #if defined(BN_MP_DR_IS_MODULUS_C) #endif #if defined(BN_MP_DR_REDUCE_C) - #define BN_MP_GROW_C - #define BN_MP_CLAMP_C - #define BN_MP_CMP_MAG_C - #define BN_S_MP_SUB_C +# define BN_MP_GROW_C +# define BN_MP_CLAMP_C +# define BN_MP_CMP_MAG_C +# define BN_S_MP_SUB_C #endif #if defined(BN_MP_DR_SETUP_C) @@ -322,96 +322,96 @@ #endif #if defined(BN_MP_EXPORT_C) - #define BN_MP_INIT_COPY_C - #define BN_MP_COUNT_BITS_C - #define BN_MP_DIV_2D_C - #define BN_MP_CLEAR_C +# define BN_MP_INIT_COPY_C +# define BN_MP_COUNT_BITS_C +# define BN_MP_DIV_2D_C +# define BN_MP_CLEAR_C #endif #if defined(BN_MP_EXPT_D_C) - #define BN_MP_EXPT_D_EX_C +# define BN_MP_EXPT_D_EX_C #endif #if defined(BN_MP_EXPT_D_EX_C) - #define BN_MP_INIT_COPY_C - #define BN_MP_SET_C - #define BN_MP_MUL_C - #define BN_MP_CLEAR_C - #define BN_MP_SQR_C +# define BN_MP_INIT_COPY_C +# define BN_MP_SET_C +# define BN_MP_MUL_C +# define BN_MP_CLEAR_C +# define BN_MP_SQR_C #endif #if defined(BN_MP_EXPTMOD_C) - #define BN_MP_INIT_C - #define BN_MP_INVMOD_C - #define BN_MP_CLEAR_C - #define BN_MP_ABS_C - #define BN_MP_CLEAR_MULTI_C - #define BN_MP_REDUCE_IS_2K_L_C - #define BN_S_MP_EXPTMOD_C - #define BN_MP_DR_IS_MODULUS_C - #define BN_MP_REDUCE_IS_2K_C - #define BN_MP_ISODD_C - #define BN_MP_EXPTMOD_FAST_C +# define BN_MP_INIT_C +# define BN_MP_INVMOD_C +# define BN_MP_CLEAR_C +# define BN_MP_ABS_C +# define BN_MP_CLEAR_MULTI_C +# define BN_MP_REDUCE_IS_2K_L_C +# define BN_S_MP_EXPTMOD_C +# define BN_MP_DR_IS_MODULUS_C +# define BN_MP_REDUCE_IS_2K_C +# define BN_MP_ISODD_C +# define BN_MP_EXPTMOD_FAST_C #endif #if defined(BN_MP_EXPTMOD_FAST_C) - #define BN_MP_COUNT_BITS_C - #define BN_MP_INIT_SIZE_C - #define BN_MP_CLEAR_C - #define BN_MP_MONTGOMERY_SETUP_C - #define BN_FAST_MP_MONTGOMERY_REDUCE_C - #define BN_MP_MONTGOMERY_REDUCE_C - #define BN_MP_DR_SETUP_C - #define BN_MP_DR_REDUCE_C - #define BN_MP_REDUCE_2K_SETUP_C - #define BN_MP_REDUCE_2K_C - #define BN_MP_MONTGOMERY_CALC_NORMALIZATION_C - #define BN_MP_MULMOD_C - #define BN_MP_SET_C - #define BN_MP_MOD_C - #define BN_MP_COPY_C - #define BN_MP_SQR_C - #define BN_MP_MUL_C - #define BN_MP_EXCH_C +# define BN_MP_COUNT_BITS_C +# define BN_MP_INIT_SIZE_C +# define BN_MP_CLEAR_C +# define BN_MP_MONTGOMERY_SETUP_C +# define BN_FAST_MP_MONTGOMERY_REDUCE_C +# define BN_MP_MONTGOMERY_REDUCE_C +# define BN_MP_DR_SETUP_C +# define BN_MP_DR_REDUCE_C +# define BN_MP_REDUCE_2K_SETUP_C +# define BN_MP_REDUCE_2K_C +# define BN_MP_MONTGOMERY_CALC_NORMALIZATION_C +# define BN_MP_MULMOD_C +# define BN_MP_SET_C +# define BN_MP_MOD_C +# define BN_MP_COPY_C +# define BN_MP_SQR_C +# define BN_MP_MUL_C +# define BN_MP_EXCH_C #endif #if defined(BN_MP_EXTEUCLID_C) - #define BN_MP_INIT_MULTI_C - #define BN_MP_SET_C - #define BN_MP_COPY_C - #define BN_MP_ISZERO_C - #define BN_MP_DIV_C - #define BN_MP_MUL_C - #define BN_MP_SUB_C - #define BN_MP_NEG_C - #define BN_MP_EXCH_C - #define BN_MP_CLEAR_MULTI_C +# define BN_MP_INIT_MULTI_C +# define BN_MP_SET_C +# define BN_MP_COPY_C +# define BN_MP_ISZERO_C +# define BN_MP_DIV_C +# define BN_MP_MUL_C +# define BN_MP_SUB_C +# define BN_MP_NEG_C +# define BN_MP_EXCH_C +# define BN_MP_CLEAR_MULTI_C #endif #if defined(BN_MP_FREAD_C) - #define BN_MP_ZERO_C - #define BN_MP_S_RMAP_C - #define BN_MP_MUL_D_C - #define BN_MP_ADD_D_C - #define BN_MP_CMP_D_C +# define BN_MP_ZERO_C +# define BN_MP_S_RMAP_C +# define BN_MP_MUL_D_C +# define BN_MP_ADD_D_C +# define BN_MP_CMP_D_C #endif #if defined(BN_MP_FWRITE_C) - #define BN_MP_RADIX_SIZE_C - #define BN_MP_TORADIX_C +# define BN_MP_RADIX_SIZE_C +# define BN_MP_TORADIX_C #endif #if defined(BN_MP_GCD_C) - #define BN_MP_ISZERO_C - #define BN_MP_ABS_C - #define BN_MP_INIT_COPY_C - #define BN_MP_CNT_LSB_C - #define BN_MP_DIV_2D_C - #define BN_MP_CMP_MAG_C - #define BN_MP_EXCH_C - #define BN_S_MP_SUB_C - #define BN_MP_MUL_2D_C - #define BN_MP_CLEAR_C +# define BN_MP_ISZERO_C +# define BN_MP_ABS_C +# define BN_MP_INIT_COPY_C +# define BN_MP_CNT_LSB_C +# define BN_MP_DIV_2D_C +# define BN_MP_CMP_MAG_C +# define BN_MP_EXCH_C +# define BN_S_MP_SUB_C +# define BN_MP_MUL_2D_C +# define BN_MP_CLEAR_C #endif #if defined(BN_MP_GET_INT_C) @@ -427,402 +427,402 @@ #endif #if defined(BN_MP_IMPORT_C) - #define BN_MP_ZERO_C - #define BN_MP_MUL_2D_C - #define BN_MP_CLAMP_C +# define BN_MP_ZERO_C +# define BN_MP_MUL_2D_C +# define BN_MP_CLAMP_C #endif #if defined(BN_MP_INIT_C) #endif #if defined(BN_MP_INIT_COPY_C) - #define BN_MP_INIT_SIZE_C - #define BN_MP_COPY_C - #define BN_MP_CLEAR_C +# define BN_MP_INIT_SIZE_C +# define BN_MP_COPY_C +# define BN_MP_CLEAR_C #endif #if defined(BN_MP_INIT_MULTI_C) - #define BN_MP_ERR_C - #define BN_MP_INIT_C - #define BN_MP_CLEAR_C +# define BN_MP_ERR_C +# define BN_MP_INIT_C +# define BN_MP_CLEAR_C #endif #if defined(BN_MP_INIT_SET_C) - #define BN_MP_INIT_C - #define BN_MP_SET_C +# define BN_MP_INIT_C +# define BN_MP_SET_C #endif #if defined(BN_MP_INIT_SET_INT_C) - #define BN_MP_INIT_C - #define BN_MP_SET_INT_C +# define BN_MP_INIT_C +# define BN_MP_SET_INT_C #endif #if defined(BN_MP_INIT_SIZE_C) - #define BN_MP_INIT_C +# define BN_MP_INIT_C #endif #if defined(BN_MP_INVMOD_C) - #define BN_MP_ISZERO_C - #define BN_MP_ISODD_C - #define BN_MP_CMP_D_C - #define BN_FAST_MP_INVMOD_C - #define BN_MP_INVMOD_SLOW_C +# define BN_MP_ISZERO_C +# define BN_MP_ISODD_C +# define BN_MP_CMP_D_C +# define BN_FAST_MP_INVMOD_C +# define BN_MP_INVMOD_SLOW_C #endif #if defined(BN_MP_INVMOD_SLOW_C) - #define BN_MP_ISZERO_C - #define BN_MP_INIT_MULTI_C - #define BN_MP_MOD_C - #define BN_MP_COPY_C - #define BN_MP_ISEVEN_C - #define BN_MP_SET_C - #define BN_MP_DIV_2_C - #define BN_MP_ISODD_C - #define BN_MP_ADD_C - #define BN_MP_SUB_C - #define BN_MP_CMP_C - #define BN_MP_CMP_D_C - #define BN_MP_CMP_MAG_C - #define BN_MP_EXCH_C - #define BN_MP_CLEAR_MULTI_C +# define BN_MP_ISZERO_C +# define BN_MP_INIT_MULTI_C +# define BN_MP_MOD_C +# define BN_MP_COPY_C +# define BN_MP_ISEVEN_C +# define BN_MP_SET_C +# define BN_MP_DIV_2_C +# define BN_MP_ISODD_C +# define BN_MP_ADD_C +# define BN_MP_SUB_C +# define BN_MP_CMP_C +# define BN_MP_CMP_D_C +# define BN_MP_CMP_MAG_C +# define BN_MP_EXCH_C +# define BN_MP_CLEAR_MULTI_C #endif #if defined(BN_MP_IS_SQUARE_C) - #define BN_MP_MOD_D_C - #define BN_MP_INIT_SET_INT_C - #define BN_MP_MOD_C - #define BN_MP_GET_INT_C - #define BN_MP_SQRT_C - #define BN_MP_SQR_C - #define BN_MP_CMP_MAG_C - #define BN_MP_CLEAR_C +# define BN_MP_MOD_D_C +# define BN_MP_INIT_SET_INT_C +# define BN_MP_MOD_C +# define BN_MP_GET_INT_C +# define BN_MP_SQRT_C +# define BN_MP_SQR_C +# define BN_MP_CMP_MAG_C +# define BN_MP_CLEAR_C #endif #if defined(BN_MP_JACOBI_C) - #define BN_MP_ISNEG_C - #define BN_MP_CMP_D_C - #define BN_MP_ISZERO_C - #define BN_MP_INIT_COPY_C - #define BN_MP_CNT_LSB_C - #define BN_MP_DIV_2D_C - #define BN_MP_MOD_C - #define BN_MP_CLEAR_C +# define BN_MP_ISNEG_C +# define BN_MP_CMP_D_C +# define BN_MP_ISZERO_C +# define BN_MP_INIT_COPY_C +# define BN_MP_CNT_LSB_C +# define BN_MP_DIV_2D_C +# define BN_MP_MOD_C +# define BN_MP_CLEAR_C #endif #if defined(BN_MP_KARATSUBA_MUL_C) - #define BN_MP_MUL_C - #define BN_MP_INIT_SIZE_C - #define BN_MP_CLAMP_C - #define BN_S_MP_ADD_C - #define BN_MP_ADD_C - #define BN_S_MP_SUB_C - #define BN_MP_LSHD_C - #define BN_MP_CLEAR_C +# define BN_MP_MUL_C +# define BN_MP_INIT_SIZE_C +# define BN_MP_CLAMP_C +# define BN_S_MP_ADD_C +# define BN_MP_ADD_C +# define BN_S_MP_SUB_C +# define BN_MP_LSHD_C +# define BN_MP_CLEAR_C #endif #if defined(BN_MP_KARATSUBA_SQR_C) - #define BN_MP_INIT_SIZE_C - #define BN_MP_CLAMP_C - #define BN_MP_SQR_C - #define BN_S_MP_ADD_C - #define BN_S_MP_SUB_C - #define BN_MP_LSHD_C - #define BN_MP_ADD_C - #define BN_MP_CLEAR_C +# define BN_MP_INIT_SIZE_C +# define BN_MP_CLAMP_C +# define BN_MP_SQR_C +# define BN_S_MP_ADD_C +# define BN_S_MP_SUB_C +# define BN_MP_LSHD_C +# define BN_MP_ADD_C +# define BN_MP_CLEAR_C #endif #if defined(BN_MP_LCM_C) - #define BN_MP_INIT_MULTI_C - #define BN_MP_GCD_C - #define BN_MP_CMP_MAG_C - #define BN_MP_DIV_C - #define BN_MP_MUL_C - #define BN_MP_CLEAR_MULTI_C +# define BN_MP_INIT_MULTI_C +# define BN_MP_GCD_C +# define BN_MP_CMP_MAG_C +# define BN_MP_DIV_C +# define BN_MP_MUL_C +# define BN_MP_CLEAR_MULTI_C #endif #if defined(BN_MP_LSHD_C) - #define BN_MP_GROW_C - #define BN_MP_RSHD_C +# define BN_MP_GROW_C +# define BN_MP_RSHD_C #endif #if defined(BN_MP_MOD_C) - #define BN_MP_INIT_SIZE_C - #define BN_MP_DIV_C - #define BN_MP_CLEAR_C - #define BN_MP_ISZERO_C - #define BN_MP_EXCH_C - #define BN_MP_ADD_C +# define BN_MP_INIT_SIZE_C +# define BN_MP_DIV_C +# define BN_MP_CLEAR_C +# define BN_MP_ISZERO_C +# define BN_MP_EXCH_C +# define BN_MP_ADD_C #endif #if defined(BN_MP_MOD_2D_C) - #define BN_MP_ZERO_C - #define BN_MP_COPY_C - #define BN_MP_CLAMP_C +# define BN_MP_ZERO_C +# define BN_MP_COPY_C +# define BN_MP_CLAMP_C #endif #if defined(BN_MP_MOD_D_C) - #define BN_MP_DIV_D_C +# define BN_MP_DIV_D_C #endif #if defined(BN_MP_MONTGOMERY_CALC_NORMALIZATION_C) - #define BN_MP_COUNT_BITS_C - #define BN_MP_2EXPT_C - #define BN_MP_SET_C - #define BN_MP_MUL_2_C - #define BN_MP_CMP_MAG_C - #define BN_S_MP_SUB_C +# define BN_MP_COUNT_BITS_C +# define BN_MP_2EXPT_C +# define BN_MP_SET_C +# define BN_MP_MUL_2_C +# define BN_MP_CMP_MAG_C +# define BN_S_MP_SUB_C #endif #if defined(BN_MP_MONTGOMERY_REDUCE_C) - #define BN_FAST_MP_MONTGOMERY_REDUCE_C - #define BN_MP_GROW_C - #define BN_MP_CLAMP_C - #define BN_MP_RSHD_C - #define BN_MP_CMP_MAG_C - #define BN_S_MP_SUB_C +# define BN_FAST_MP_MONTGOMERY_REDUCE_C +# define BN_MP_GROW_C +# define BN_MP_CLAMP_C +# define BN_MP_RSHD_C +# define BN_MP_CMP_MAG_C +# define BN_S_MP_SUB_C #endif #if defined(BN_MP_MONTGOMERY_SETUP_C) #endif #if defined(BN_MP_MUL_C) - #define BN_MP_TOOM_MUL_C - #define BN_MP_KARATSUBA_MUL_C - #define BN_FAST_S_MP_MUL_DIGS_C - #define BN_S_MP_MUL_C - #define BN_S_MP_MUL_DIGS_C +# define BN_MP_TOOM_MUL_C +# define BN_MP_KARATSUBA_MUL_C +# define BN_FAST_S_MP_MUL_DIGS_C +# define BN_S_MP_MUL_C +# define BN_S_MP_MUL_DIGS_C #endif #if defined(BN_MP_MUL_2_C) - #define BN_MP_GROW_C +# define BN_MP_GROW_C #endif #if defined(BN_MP_MUL_2D_C) - #define BN_MP_COPY_C - #define BN_MP_GROW_C - #define BN_MP_LSHD_C - #define BN_MP_CLAMP_C +# define BN_MP_COPY_C +# define BN_MP_GROW_C +# define BN_MP_LSHD_C +# define BN_MP_CLAMP_C #endif #if defined(BN_MP_MUL_D_C) - #define BN_MP_GROW_C - #define BN_MP_CLAMP_C +# define BN_MP_GROW_C +# define BN_MP_CLAMP_C #endif #if defined(BN_MP_MULMOD_C) - #define BN_MP_INIT_SIZE_C - #define BN_MP_MUL_C - #define BN_MP_CLEAR_C - #define BN_MP_MOD_C +# define BN_MP_INIT_SIZE_C +# define BN_MP_MUL_C +# define BN_MP_CLEAR_C +# define BN_MP_MOD_C #endif #if defined(BN_MP_N_ROOT_C) - #define BN_MP_N_ROOT_EX_C +# define BN_MP_N_ROOT_EX_C #endif #if defined(BN_MP_N_ROOT_EX_C) - #define BN_MP_INIT_C - #define BN_MP_SET_C - #define BN_MP_COPY_C - #define BN_MP_EXPT_D_EX_C - #define BN_MP_MUL_C - #define BN_MP_SUB_C - #define BN_MP_MUL_D_C - #define BN_MP_DIV_C - #define BN_MP_CMP_C - #define BN_MP_SUB_D_C - #define BN_MP_EXCH_C - #define BN_MP_CLEAR_C +# define BN_MP_INIT_C +# define BN_MP_SET_C +# define BN_MP_COPY_C +# define BN_MP_EXPT_D_EX_C +# define BN_MP_MUL_C +# define BN_MP_SUB_C +# define BN_MP_MUL_D_C +# define BN_MP_DIV_C +# define BN_MP_CMP_C +# define BN_MP_SUB_D_C +# define BN_MP_EXCH_C +# define BN_MP_CLEAR_C #endif #if defined(BN_MP_NEG_C) - #define BN_MP_COPY_C - #define BN_MP_ISZERO_C +# define BN_MP_COPY_C +# define BN_MP_ISZERO_C #endif #if defined(BN_MP_OR_C) - #define BN_MP_INIT_COPY_C - #define BN_MP_CLAMP_C - #define BN_MP_EXCH_C - #define BN_MP_CLEAR_C +# define BN_MP_INIT_COPY_C +# define BN_MP_CLAMP_C +# define BN_MP_EXCH_C +# define BN_MP_CLEAR_C #endif #if defined(BN_MP_PRIME_FERMAT_C) - #define BN_MP_CMP_D_C - #define BN_MP_INIT_C - #define BN_MP_EXPTMOD_C - #define BN_MP_CMP_C - #define BN_MP_CLEAR_C +# define BN_MP_CMP_D_C +# define BN_MP_INIT_C +# define BN_MP_EXPTMOD_C +# define BN_MP_CMP_C +# define BN_MP_CLEAR_C #endif #if defined(BN_MP_PRIME_IS_DIVISIBLE_C) - #define BN_MP_MOD_D_C +# define BN_MP_MOD_D_C #endif #if defined(BN_MP_PRIME_IS_PRIME_C) - #define BN_MP_CMP_D_C - #define BN_MP_PRIME_IS_DIVISIBLE_C - #define BN_MP_INIT_C - #define BN_MP_SET_C - #define BN_MP_PRIME_MILLER_RABIN_C - #define BN_MP_CLEAR_C +# define BN_MP_CMP_D_C +# define BN_MP_PRIME_IS_DIVISIBLE_C +# define BN_MP_INIT_C +# define BN_MP_SET_C +# define BN_MP_PRIME_MILLER_RABIN_C +# define BN_MP_CLEAR_C #endif #if defined(BN_MP_PRIME_MILLER_RABIN_C) - #define BN_MP_CMP_D_C - #define BN_MP_INIT_COPY_C - #define BN_MP_SUB_D_C - #define BN_MP_CNT_LSB_C - #define BN_MP_DIV_2D_C - #define BN_MP_EXPTMOD_C - #define BN_MP_CMP_C - #define BN_MP_SQRMOD_C - #define BN_MP_CLEAR_C +# define BN_MP_CMP_D_C +# define BN_MP_INIT_COPY_C +# define BN_MP_SUB_D_C +# define BN_MP_CNT_LSB_C +# define BN_MP_DIV_2D_C +# define BN_MP_EXPTMOD_C +# define BN_MP_CMP_C +# define BN_MP_SQRMOD_C +# define BN_MP_CLEAR_C #endif #if defined(BN_MP_PRIME_NEXT_PRIME_C) - #define BN_MP_CMP_D_C - #define BN_MP_SET_C - #define BN_MP_SUB_D_C - #define BN_MP_ISEVEN_C - #define BN_MP_MOD_D_C - #define BN_MP_INIT_C - #define BN_MP_ADD_D_C - #define BN_MP_PRIME_MILLER_RABIN_C - #define BN_MP_CLEAR_C +# define BN_MP_CMP_D_C +# define BN_MP_SET_C +# define BN_MP_SUB_D_C +# define BN_MP_ISEVEN_C +# define BN_MP_MOD_D_C +# define BN_MP_INIT_C +# define BN_MP_ADD_D_C +# define BN_MP_PRIME_MILLER_RABIN_C +# define BN_MP_CLEAR_C #endif #if defined(BN_MP_PRIME_RABIN_MILLER_TRIALS_C) #endif #if defined(BN_MP_PRIME_RANDOM_EX_C) - #define BN_MP_READ_UNSIGNED_BIN_C - #define BN_MP_PRIME_IS_PRIME_C - #define BN_MP_SUB_D_C - #define BN_MP_DIV_2_C - #define BN_MP_MUL_2_C - #define BN_MP_ADD_D_C +# define BN_MP_READ_UNSIGNED_BIN_C +# define BN_MP_PRIME_IS_PRIME_C +# define BN_MP_SUB_D_C +# define BN_MP_DIV_2_C +# define BN_MP_MUL_2_C +# define BN_MP_ADD_D_C #endif #if defined(BN_MP_RADIX_SIZE_C) - #define BN_MP_ISZERO_C - #define BN_MP_COUNT_BITS_C - #define BN_MP_INIT_COPY_C - #define BN_MP_DIV_D_C - #define BN_MP_CLEAR_C +# define BN_MP_ISZERO_C +# define BN_MP_COUNT_BITS_C +# define BN_MP_INIT_COPY_C +# define BN_MP_DIV_D_C +# define BN_MP_CLEAR_C #endif #if defined(BN_MP_RADIX_SMAP_C) - #define BN_MP_S_RMAP_C +# define BN_MP_S_RMAP_C #endif #if defined(BN_MP_RAND_C) - #define BN_MP_ZERO_C - #define BN_MP_ADD_D_C - #define BN_MP_LSHD_C +# define BN_MP_ZERO_C +# define BN_MP_ADD_D_C +# define BN_MP_LSHD_C #endif #if defined(BN_MP_READ_RADIX_C) - #define BN_MP_ZERO_C - #define BN_MP_S_RMAP_C - #define BN_MP_MUL_D_C - #define BN_MP_ADD_D_C - #define BN_MP_ISZERO_C +# define BN_MP_ZERO_C +# define BN_MP_S_RMAP_C +# define BN_MP_MUL_D_C +# define BN_MP_ADD_D_C +# define BN_MP_ISZERO_C #endif #if defined(BN_MP_READ_SIGNED_BIN_C) - #define BN_MP_READ_UNSIGNED_BIN_C +# define BN_MP_READ_UNSIGNED_BIN_C #endif #if defined(BN_MP_READ_UNSIGNED_BIN_C) - #define BN_MP_GROW_C - #define BN_MP_ZERO_C - #define BN_MP_MUL_2D_C - #define BN_MP_CLAMP_C +# define BN_MP_GROW_C +# define BN_MP_ZERO_C +# define BN_MP_MUL_2D_C +# define BN_MP_CLAMP_C #endif #if defined(BN_MP_REDUCE_C) - #define BN_MP_REDUCE_SETUP_C - #define BN_MP_INIT_COPY_C - #define BN_MP_RSHD_C - #define BN_MP_MUL_C - #define BN_S_MP_MUL_HIGH_DIGS_C - #define BN_FAST_S_MP_MUL_HIGH_DIGS_C - #define BN_MP_MOD_2D_C - #define BN_S_MP_MUL_DIGS_C - #define BN_MP_SUB_C - #define BN_MP_CMP_D_C - #define BN_MP_SET_C - #define BN_MP_LSHD_C - #define BN_MP_ADD_C - #define BN_MP_CMP_C - #define BN_S_MP_SUB_C - #define BN_MP_CLEAR_C +# define BN_MP_REDUCE_SETUP_C +# define BN_MP_INIT_COPY_C +# define BN_MP_RSHD_C +# define BN_MP_MUL_C +# define BN_S_MP_MUL_HIGH_DIGS_C +# define BN_FAST_S_MP_MUL_HIGH_DIGS_C +# define BN_MP_MOD_2D_C +# define BN_S_MP_MUL_DIGS_C +# define BN_MP_SUB_C +# define BN_MP_CMP_D_C +# define BN_MP_SET_C +# define BN_MP_LSHD_C +# define BN_MP_ADD_C +# define BN_MP_CMP_C +# define BN_S_MP_SUB_C +# define BN_MP_CLEAR_C #endif #if defined(BN_MP_REDUCE_2K_C) - #define BN_MP_INIT_C - #define BN_MP_COUNT_BITS_C - #define BN_MP_DIV_2D_C - #define BN_MP_MUL_D_C - #define BN_S_MP_ADD_C - #define BN_MP_CMP_MAG_C - #define BN_S_MP_SUB_C - #define BN_MP_CLEAR_C +# define BN_MP_INIT_C +# define BN_MP_COUNT_BITS_C +# define BN_MP_DIV_2D_C +# define BN_MP_MUL_D_C +# define BN_S_MP_ADD_C +# define BN_MP_CMP_MAG_C +# define BN_S_MP_SUB_C +# define BN_MP_CLEAR_C #endif #if defined(BN_MP_REDUCE_2K_L_C) - #define BN_MP_INIT_C - #define BN_MP_COUNT_BITS_C - #define BN_MP_DIV_2D_C - #define BN_MP_MUL_C - #define BN_S_MP_ADD_C - #define BN_MP_CMP_MAG_C - #define BN_S_MP_SUB_C - #define BN_MP_CLEAR_C +# define BN_MP_INIT_C +# define BN_MP_COUNT_BITS_C +# define BN_MP_DIV_2D_C +# define BN_MP_MUL_C +# define BN_S_MP_ADD_C +# define BN_MP_CMP_MAG_C +# define BN_S_MP_SUB_C +# define BN_MP_CLEAR_C #endif #if defined(BN_MP_REDUCE_2K_SETUP_C) - #define BN_MP_INIT_C - #define BN_MP_COUNT_BITS_C - #define BN_MP_2EXPT_C - #define BN_MP_CLEAR_C - #define BN_S_MP_SUB_C +# define BN_MP_INIT_C +# define BN_MP_COUNT_BITS_C +# define BN_MP_2EXPT_C +# define BN_MP_CLEAR_C +# define BN_S_MP_SUB_C #endif #if defined(BN_MP_REDUCE_2K_SETUP_L_C) - #define BN_MP_INIT_C - #define BN_MP_2EXPT_C - #define BN_MP_COUNT_BITS_C - #define BN_S_MP_SUB_C - #define BN_MP_CLEAR_C +# define BN_MP_INIT_C +# define BN_MP_2EXPT_C +# define BN_MP_COUNT_BITS_C +# define BN_S_MP_SUB_C +# define BN_MP_CLEAR_C #endif #if defined(BN_MP_REDUCE_IS_2K_C) - #define BN_MP_REDUCE_2K_C - #define BN_MP_COUNT_BITS_C +# define BN_MP_REDUCE_2K_C +# define BN_MP_COUNT_BITS_C #endif #if defined(BN_MP_REDUCE_IS_2K_L_C) #endif #if defined(BN_MP_REDUCE_SETUP_C) - #define BN_MP_2EXPT_C - #define BN_MP_DIV_C +# define BN_MP_2EXPT_C +# define BN_MP_DIV_C #endif #if defined(BN_MP_RSHD_C) - #define BN_MP_ZERO_C +# define BN_MP_ZERO_C #endif #if defined(BN_MP_SET_C) - #define BN_MP_ZERO_C +# define BN_MP_ZERO_C #endif #if defined(BN_MP_SET_INT_C) - #define BN_MP_ZERO_C - #define BN_MP_MUL_2D_C - #define BN_MP_CLAMP_C +# define BN_MP_ZERO_C +# define BN_MP_MUL_2D_C +# define BN_MP_CLAMP_C #endif #if defined(BN_MP_SET_LONG_C) @@ -835,155 +835,155 @@ #endif #if defined(BN_MP_SIGNED_BIN_SIZE_C) - #define BN_MP_UNSIGNED_BIN_SIZE_C +# define BN_MP_UNSIGNED_BIN_SIZE_C #endif #if defined(BN_MP_SQR_C) - #define BN_MP_TOOM_SQR_C - #define BN_MP_KARATSUBA_SQR_C - #define BN_FAST_S_MP_SQR_C - #define BN_S_MP_SQR_C +# define BN_MP_TOOM_SQR_C +# define BN_MP_KARATSUBA_SQR_C +# define BN_FAST_S_MP_SQR_C +# define BN_S_MP_SQR_C #endif #if defined(BN_MP_SQRMOD_C) - #define BN_MP_INIT_C - #define BN_MP_SQR_C - #define BN_MP_CLEAR_C - #define BN_MP_MOD_C +# define BN_MP_INIT_C +# define BN_MP_SQR_C +# define BN_MP_CLEAR_C +# define BN_MP_MOD_C #endif #if defined(BN_MP_SQRT_C) - #define BN_MP_N_ROOT_C - #define BN_MP_ISZERO_C - #define BN_MP_ZERO_C - #define BN_MP_INIT_COPY_C - #define BN_MP_RSHD_C - #define BN_MP_DIV_C - #define BN_MP_ADD_C - #define BN_MP_DIV_2_C - #define BN_MP_CMP_MAG_C - #define BN_MP_EXCH_C - #define BN_MP_CLEAR_C +# define BN_MP_N_ROOT_C +# define BN_MP_ISZERO_C +# define BN_MP_ZERO_C +# define BN_MP_INIT_COPY_C +# define BN_MP_RSHD_C +# define BN_MP_DIV_C +# define BN_MP_ADD_C +# define BN_MP_DIV_2_C +# define BN_MP_CMP_MAG_C +# define BN_MP_EXCH_C +# define BN_MP_CLEAR_C #endif #if defined(BN_MP_SQRTMOD_PRIME_C) - #define BN_MP_CMP_D_C - #define BN_MP_ZERO_C - #define BN_MP_JACOBI_C - #define BN_MP_INIT_MULTI_C - #define BN_MP_MOD_D_C - #define BN_MP_ADD_D_C - #define BN_MP_DIV_2_C - #define BN_MP_EXPTMOD_C - #define BN_MP_COPY_C - #define BN_MP_SUB_D_C - #define BN_MP_ISEVEN_C - #define BN_MP_SET_INT_C - #define BN_MP_SQRMOD_C - #define BN_MP_MULMOD_C - #define BN_MP_SET_C - #define BN_MP_CLEAR_MULTI_C +# define BN_MP_CMP_D_C +# define BN_MP_ZERO_C +# define BN_MP_JACOBI_C +# define BN_MP_INIT_MULTI_C +# define BN_MP_MOD_D_C +# define BN_MP_ADD_D_C +# define BN_MP_DIV_2_C +# define BN_MP_EXPTMOD_C +# define BN_MP_COPY_C +# define BN_MP_SUB_D_C +# define BN_MP_ISEVEN_C +# define BN_MP_SET_INT_C +# define BN_MP_SQRMOD_C +# define BN_MP_MULMOD_C +# define BN_MP_SET_C +# define BN_MP_CLEAR_MULTI_C #endif #if defined(BN_MP_SUB_C) - #define BN_S_MP_ADD_C - #define BN_MP_CMP_MAG_C - #define BN_S_MP_SUB_C +# define BN_S_MP_ADD_C +# define BN_MP_CMP_MAG_C +# define BN_S_MP_SUB_C #endif #if defined(BN_MP_SUB_D_C) - #define BN_MP_GROW_C - #define BN_MP_ADD_D_C - #define BN_MP_CLAMP_C +# define BN_MP_GROW_C +# define BN_MP_ADD_D_C +# define BN_MP_CLAMP_C #endif #if defined(BN_MP_SUBMOD_C) - #define BN_MP_INIT_C - #define BN_MP_SUB_C - #define BN_MP_CLEAR_C - #define BN_MP_MOD_C +# define BN_MP_INIT_C +# define BN_MP_SUB_C +# define BN_MP_CLEAR_C +# define BN_MP_MOD_C #endif #if defined(BN_MP_TO_SIGNED_BIN_C) - #define BN_MP_TO_UNSIGNED_BIN_C +# define BN_MP_TO_UNSIGNED_BIN_C #endif #if defined(BN_MP_TO_SIGNED_BIN_N_C) - #define BN_MP_SIGNED_BIN_SIZE_C - #define BN_MP_TO_SIGNED_BIN_C +# define BN_MP_SIGNED_BIN_SIZE_C +# define BN_MP_TO_SIGNED_BIN_C #endif #if defined(BN_MP_TO_UNSIGNED_BIN_C) - #define BN_MP_INIT_COPY_C - #define BN_MP_ISZERO_C - #define BN_MP_DIV_2D_C - #define BN_MP_CLEAR_C +# define BN_MP_INIT_COPY_C +# define BN_MP_ISZERO_C +# define BN_MP_DIV_2D_C +# define BN_MP_CLEAR_C #endif #if defined(BN_MP_TO_UNSIGNED_BIN_N_C) - #define BN_MP_UNSIGNED_BIN_SIZE_C - #define BN_MP_TO_UNSIGNED_BIN_C +# define BN_MP_UNSIGNED_BIN_SIZE_C +# define BN_MP_TO_UNSIGNED_BIN_C #endif #if defined(BN_MP_TOOM_MUL_C) - #define BN_MP_INIT_MULTI_C - #define BN_MP_MOD_2D_C - #define BN_MP_COPY_C - #define BN_MP_RSHD_C - #define BN_MP_MUL_C - #define BN_MP_MUL_2_C - #define BN_MP_ADD_C - #define BN_MP_SUB_C - #define BN_MP_DIV_2_C - #define BN_MP_MUL_2D_C - #define BN_MP_MUL_D_C - #define BN_MP_DIV_3_C - #define BN_MP_LSHD_C - #define BN_MP_CLEAR_MULTI_C +# define BN_MP_INIT_MULTI_C +# define BN_MP_MOD_2D_C +# define BN_MP_COPY_C +# define BN_MP_RSHD_C +# define BN_MP_MUL_C +# define BN_MP_MUL_2_C +# define BN_MP_ADD_C +# define BN_MP_SUB_C +# define BN_MP_DIV_2_C +# define BN_MP_MUL_2D_C +# define BN_MP_MUL_D_C +# define BN_MP_DIV_3_C +# define BN_MP_LSHD_C +# define BN_MP_CLEAR_MULTI_C #endif #if defined(BN_MP_TOOM_SQR_C) - #define BN_MP_INIT_MULTI_C - #define BN_MP_MOD_2D_C - #define BN_MP_COPY_C - #define BN_MP_RSHD_C - #define BN_MP_SQR_C - #define BN_MP_MUL_2_C - #define BN_MP_ADD_C - #define BN_MP_SUB_C - #define BN_MP_DIV_2_C - #define BN_MP_MUL_2D_C - #define BN_MP_MUL_D_C - #define BN_MP_DIV_3_C - #define BN_MP_LSHD_C - #define BN_MP_CLEAR_MULTI_C +# define BN_MP_INIT_MULTI_C +# define BN_MP_MOD_2D_C +# define BN_MP_COPY_C +# define BN_MP_RSHD_C +# define BN_MP_SQR_C +# define BN_MP_MUL_2_C +# define BN_MP_ADD_C +# define BN_MP_SUB_C +# define BN_MP_DIV_2_C +# define BN_MP_MUL_2D_C +# define BN_MP_MUL_D_C +# define BN_MP_DIV_3_C +# define BN_MP_LSHD_C +# define BN_MP_CLEAR_MULTI_C #endif #if defined(BN_MP_TORADIX_C) - #define BN_MP_ISZERO_C - #define BN_MP_INIT_COPY_C - #define BN_MP_DIV_D_C - #define BN_MP_CLEAR_C - #define BN_MP_S_RMAP_C +# define BN_MP_ISZERO_C +# define BN_MP_INIT_COPY_C +# define BN_MP_DIV_D_C +# define BN_MP_CLEAR_C +# define BN_MP_S_RMAP_C #endif #if defined(BN_MP_TORADIX_N_C) - #define BN_MP_ISZERO_C - #define BN_MP_INIT_COPY_C - #define BN_MP_DIV_D_C - #define BN_MP_CLEAR_C - #define BN_MP_S_RMAP_C +# define BN_MP_ISZERO_C +# define BN_MP_INIT_COPY_C +# define BN_MP_DIV_D_C +# define BN_MP_CLEAR_C +# define BN_MP_S_RMAP_C #endif #if defined(BN_MP_UNSIGNED_BIN_SIZE_C) - #define BN_MP_COUNT_BITS_C +# define BN_MP_COUNT_BITS_C #endif #if defined(BN_MP_XOR_C) - #define BN_MP_INIT_COPY_C - #define BN_MP_CLAMP_C - #define BN_MP_EXCH_C - #define BN_MP_CLEAR_C +# define BN_MP_INIT_COPY_C +# define BN_MP_CLAMP_C +# define BN_MP_EXCH_C +# define BN_MP_CLEAR_C #endif #if defined(BN_MP_ZERO_C) @@ -996,62 +996,63 @@ #endif #if defined(BN_S_MP_ADD_C) - #define BN_MP_GROW_C - #define BN_MP_CLAMP_C +# define BN_MP_GROW_C +# define BN_MP_CLAMP_C #endif #if defined(BN_S_MP_EXPTMOD_C) - #define BN_MP_COUNT_BITS_C - #define BN_MP_INIT_C - #define BN_MP_CLEAR_C - #define BN_MP_REDUCE_SETUP_C - #define BN_MP_REDUCE_C - #define BN_MP_REDUCE_2K_SETUP_L_C - #define BN_MP_REDUCE_2K_L_C - #define BN_MP_MOD_C - #define BN_MP_COPY_C - #define BN_MP_SQR_C - #define BN_MP_MUL_C - #define BN_MP_SET_C - #define BN_MP_EXCH_C +# define BN_MP_COUNT_BITS_C +# define BN_MP_INIT_C +# define BN_MP_CLEAR_C +# define BN_MP_REDUCE_SETUP_C +# define BN_MP_REDUCE_C +# define BN_MP_REDUCE_2K_SETUP_L_C +# define BN_MP_REDUCE_2K_L_C +# define BN_MP_MOD_C +# define BN_MP_COPY_C +# define BN_MP_SQR_C +# define BN_MP_MUL_C +# define BN_MP_SET_C +# define BN_MP_EXCH_C #endif #if defined(BN_S_MP_MUL_DIGS_C) - #define BN_FAST_S_MP_MUL_DIGS_C - #define BN_MP_INIT_SIZE_C - #define BN_MP_CLAMP_C - #define BN_MP_EXCH_C - #define BN_MP_CLEAR_C +# define BN_FAST_S_MP_MUL_DIGS_C +# define BN_MP_INIT_SIZE_C +# define BN_MP_CLAMP_C +# define BN_MP_EXCH_C +# define BN_MP_CLEAR_C #endif #if defined(BN_S_MP_MUL_HIGH_DIGS_C) - #define BN_FAST_S_MP_MUL_HIGH_DIGS_C - #define BN_MP_INIT_SIZE_C - #define BN_MP_CLAMP_C - #define BN_MP_EXCH_C - #define BN_MP_CLEAR_C +# define BN_FAST_S_MP_MUL_HIGH_DIGS_C +# define BN_MP_INIT_SIZE_C +# define BN_MP_CLAMP_C +# define BN_MP_EXCH_C +# define BN_MP_CLEAR_C #endif #if defined(BN_S_MP_SQR_C) - #define BN_MP_INIT_SIZE_C - #define BN_MP_CLAMP_C - #define BN_MP_EXCH_C - #define BN_MP_CLEAR_C +# define BN_MP_INIT_SIZE_C +# define BN_MP_CLAMP_C +# define BN_MP_EXCH_C +# define BN_MP_CLEAR_C #endif #if defined(BN_S_MP_SUB_C) - #define BN_MP_GROW_C - #define BN_MP_CLAMP_C +# define BN_MP_GROW_C +# define BN_MP_CLAMP_C #endif #if defined(BNCORE_C) #endif #ifdef LTM3 -#define LTM_LAST +# define LTM_LAST #endif + #include <tommath_superclass.h> #include <tommath_class.h> #else -#define LTM_LAST +# define LTM_LAST #endif diff --git a/libtommath/tommath_private.h b/libtommath/tommath_private.h index 3217ee7..be065cd 100644 --- a/libtommath/tommath_private.h +++ b/libtommath/tommath_private.h @@ -19,62 +19,60 @@ #include <ctype.h> #ifndef MIN - #define MIN(x,y) (((x) < (y)) ? (x) : (y)) +#define MIN(x, y) (((x) < (y)) ? (x) : (y)) #endif #ifndef MAX - #define MAX(x,y) (((x) > (y)) ? (x) : (y)) +#define MAX(x, y) (((x) > (y)) ? (x) : (y)) #endif #ifdef __cplusplus extern "C" { /* C++ compilers don't like assigning void * to mp_digit * */ -#define OPT_CAST(x) (x *) +#define OPT_CAST(x) (x *) #else /* C on the other hand doesn't care */ -#define OPT_CAST(x) +#define OPT_CAST(x) #endif /* define heap macros */ -#if 0 #ifndef XMALLOC - /* default to libc stuff */ - #define XMALLOC malloc - #define XFREE free - #define XREALLOC realloc - #define XCALLOC calloc -#else - /* prototypes for our heap functions */ - extern void *XMALLOC(size_t n); - extern void *XREALLOC(void *p, size_t n); - extern void *XCALLOC(size_t n, size_t s); - extern void XFREE(void *p); -#endif +/* default to libc stuff */ +# define XMALLOC malloc +# define XFREE free +# define XREALLOC realloc +# define XCALLOC calloc +#elif 0 +/* prototypes for our heap functions */ +extern void *XMALLOC(size_t n); +extern void *XREALLOC(void *p, size_t n); +extern void *XCALLOC(size_t n, size_t s); +extern void XFREE(void *p); #endif /* lowlevel functions, do not call! */ -int s_mp_add(mp_int *a, mp_int *b, mp_int *c); -int s_mp_sub(mp_int *a, mp_int *b, mp_int *c); +int s_mp_add(const mp_int *a, const mp_int *b, mp_int *c); +int s_mp_sub(const mp_int *a, const mp_int *b, mp_int *c); #define s_mp_mul(a, b, c) s_mp_mul_digs(a, b, c, (a)->used + (b)->used + 1) -int fast_s_mp_mul_digs(mp_int *a, mp_int *b, mp_int *c, int digs); -int s_mp_mul_digs(mp_int *a, mp_int *b, mp_int *c, int digs); -int fast_s_mp_mul_high_digs(mp_int *a, mp_int *b, mp_int *c, int digs); -int s_mp_mul_high_digs(mp_int *a, mp_int *b, mp_int *c, int digs); -int fast_s_mp_sqr(mp_int *a, mp_int *b); -int s_mp_sqr(mp_int *a, mp_int *b); -int mp_karatsuba_mul(mp_int *a, mp_int *b, mp_int *c); -int mp_toom_mul(mp_int *a, mp_int *b, mp_int *c); -int mp_karatsuba_sqr(mp_int *a, mp_int *b); -int mp_toom_sqr(mp_int *a, mp_int *b); -int fast_mp_invmod(mp_int *a, mp_int *b, mp_int *c); -int mp_invmod_slow (mp_int * a, mp_int * b, mp_int * c); -int fast_mp_montgomery_reduce(mp_int *x, mp_int *n, mp_digit rho); -int mp_exptmod_fast(mp_int *G, mp_int *X, mp_int *P, mp_int *Y, int redmode); -int s_mp_exptmod (mp_int * G, mp_int * X, mp_int * P, mp_int * Y, int redmode); +int fast_s_mp_mul_digs(const mp_int *a, const mp_int *b, mp_int *c, int digs); +int s_mp_mul_digs(const mp_int *a, const mp_int *b, mp_int *c, int digs); +int fast_s_mp_mul_high_digs(const mp_int *a, const mp_int *b, mp_int *c, int digs); +int s_mp_mul_high_digs(const mp_int *a, const mp_int *b, mp_int *c, int digs); +int fast_s_mp_sqr(const mp_int *a, mp_int *b); +int s_mp_sqr(const mp_int *a, mp_int *b); +int mp_karatsuba_mul(const mp_int *a, const mp_int *b, mp_int *c); +int mp_toom_mul(const mp_int *a, const mp_int *b, mp_int *c); +int mp_karatsuba_sqr(const mp_int *a, mp_int *b); +int mp_toom_sqr(const mp_int *a, mp_int *b); +int fast_mp_invmod(const mp_int *a, const mp_int *b, mp_int *c); +int mp_invmod_slow(const mp_int *a, const mp_int *b, mp_int *c); +int fast_mp_montgomery_reduce(mp_int *x, const mp_int *n, mp_digit rho); +int mp_exptmod_fast(const mp_int *G, const mp_int *X, const mp_int *P, mp_int *Y, int redmode); +int s_mp_exptmod(const mp_int *G, const mp_int *X, const mp_int *P, mp_int *Y, int redmode); void bn_reverse(unsigned char *s, int len); extern const char *mp_s_rmap; @@ -114,7 +112,7 @@ int func_name (mp_int * a, type b) \ } #ifdef __cplusplus - } +} #endif #endif diff --git a/libtommath/tommath_superclass.h b/libtommath/tommath_superclass.h index a2f4d93..da53793 100644 --- a/libtommath/tommath_superclass.h +++ b/libtommath/tommath_superclass.h @@ -14,60 +14,60 @@ /* Works for RSA only, mpi.o is 68KiB */ #ifdef SC_RSA_1 - #define BN_MP_SHRINK_C - #define BN_MP_LCM_C - #define BN_MP_PRIME_RANDOM_EX_C - #define BN_MP_INVMOD_C - #define BN_MP_GCD_C - #define BN_MP_MOD_C - #define BN_MP_MULMOD_C - #define BN_MP_ADDMOD_C - #define BN_MP_EXPTMOD_C - #define BN_MP_SET_INT_C - #define BN_MP_INIT_MULTI_C - #define BN_MP_CLEAR_MULTI_C - #define BN_MP_UNSIGNED_BIN_SIZE_C - #define BN_MP_TO_UNSIGNED_BIN_C - #define BN_MP_MOD_D_C - #define BN_MP_PRIME_RABIN_MILLER_TRIALS_C - #define BN_REVERSE_C - #define BN_PRIME_TAB_C +# define BN_MP_SHRINK_C +# define BN_MP_LCM_C +# define BN_MP_PRIME_RANDOM_EX_C +# define BN_MP_INVMOD_C +# define BN_MP_GCD_C +# define BN_MP_MOD_C +# define BN_MP_MULMOD_C +# define BN_MP_ADDMOD_C +# define BN_MP_EXPTMOD_C +# define BN_MP_SET_INT_C +# define BN_MP_INIT_MULTI_C +# define BN_MP_CLEAR_MULTI_C +# define BN_MP_UNSIGNED_BIN_SIZE_C +# define BN_MP_TO_UNSIGNED_BIN_C +# define BN_MP_MOD_D_C +# define BN_MP_PRIME_RABIN_MILLER_TRIALS_C +# define BN_REVERSE_C +# define BN_PRIME_TAB_C - /* other modifiers */ - #define BN_MP_DIV_SMALL /* Slower division, not critical */ +/* other modifiers */ +# define BN_MP_DIV_SMALL /* Slower division, not critical */ - /* here we are on the last pass so we turn things off. The functions classes are still there - * but we remove them specifically from the build. This also invokes tweaks in functions - * like removing support for even moduli, etc... - */ -#ifdef LTM_LAST - #undef BN_MP_TOOM_MUL_C - #undef BN_MP_TOOM_SQR_C - #undef BN_MP_KARATSUBA_MUL_C - #undef BN_MP_KARATSUBA_SQR_C - #undef BN_MP_REDUCE_C - #undef BN_MP_REDUCE_SETUP_C - #undef BN_MP_DR_IS_MODULUS_C - #undef BN_MP_DR_SETUP_C - #undef BN_MP_DR_REDUCE_C - #undef BN_MP_REDUCE_IS_2K_C - #undef BN_MP_REDUCE_2K_SETUP_C - #undef BN_MP_REDUCE_2K_C - #undef BN_S_MP_EXPTMOD_C - #undef BN_MP_DIV_3_C - #undef BN_S_MP_MUL_HIGH_DIGS_C - #undef BN_FAST_S_MP_MUL_HIGH_DIGS_C - #undef BN_FAST_MP_INVMOD_C +/* here we are on the last pass so we turn things off. The functions classes are still there + * but we remove them specifically from the build. This also invokes tweaks in functions + * like removing support for even moduli, etc... + */ +# ifdef LTM_LAST +# undef BN_MP_TOOM_MUL_C +# undef BN_MP_TOOM_SQR_C +# undef BN_MP_KARATSUBA_MUL_C +# undef BN_MP_KARATSUBA_SQR_C +# undef BN_MP_REDUCE_C +# undef BN_MP_REDUCE_SETUP_C +# undef BN_MP_DR_IS_MODULUS_C +# undef BN_MP_DR_SETUP_C +# undef BN_MP_DR_REDUCE_C +# undef BN_MP_REDUCE_IS_2K_C +# undef BN_MP_REDUCE_2K_SETUP_C +# undef BN_MP_REDUCE_2K_C +# undef BN_S_MP_EXPTMOD_C +# undef BN_MP_DIV_3_C +# undef BN_S_MP_MUL_HIGH_DIGS_C +# undef BN_FAST_S_MP_MUL_HIGH_DIGS_C +# undef BN_FAST_MP_INVMOD_C - /* To safely undefine these you have to make sure your RSA key won't exceed the Comba threshold - * which is roughly 255 digits [7140 bits for 32-bit machines, 15300 bits for 64-bit machines] - * which means roughly speaking you can handle upto 2536-bit RSA keys with these defined without - * trouble. - */ - #undef BN_S_MP_MUL_DIGS_C - #undef BN_S_MP_SQR_C - #undef BN_MP_MONTGOMERY_REDUCE_C -#endif +/* To safely undefine these you have to make sure your RSA key won't exceed the Comba threshold + * which is roughly 255 digits [7140 bits for 32-bit machines, 15300 bits for 64-bit machines] + * which means roughly speaking you can handle upto 2536-bit RSA keys with these defined without + * trouble. + */ +# undef BN_S_MP_MUL_DIGS_C +# undef BN_S_MP_SQR_C +# undef BN_MP_MONTGOMERY_REDUCE_C +# endif #endif diff --git a/tests/oo.test b/tests/oo.test index 5f87837..b538b60 100644 --- a/tests/oo.test +++ b/tests/oo.test @@ -3800,7 +3800,29 @@ test oo-35.4 {Bug 593baa032c: mixins list teardown} { oo::class create D {mixin B} namespace eval [info object namespace D] [list [namespace which B] destroy] } {} - +test oo-35.5 {Bug 1a56550e96: introspectors must traverse mixin links correctly} -setup { + oo::class create base { + unexport destroy + } +} -body { + oo::class create C { + superclass base + method c {} {} + } + oo::class create D { + superclass base + mixin C + method d {} {} + } + oo::class create E { + superclass D + method e {} {} + } + E create e1 + list [lsort [info class methods E -all]] [lsort [info object methods e1 -all]] +} -cleanup { + base destroy +} -result {{c d e} {c d e}} test oo-36.1 {TIP #470: introspection within oo::define} { oo::define oo::object self } ::oo::object diff --git a/unix/Makefile.in b/unix/Makefile.in index fadc147..c31d128 100644 --- a/unix/Makefile.in +++ b/unix/Makefile.in @@ -320,7 +320,7 @@ TOMMATH_OBJS = bncore.o bn_reverse.o bn_fast_s_mp_mul_digs.o \ bn_mp_cnt_lsb.o bn_mp_copy.o \ bn_mp_count_bits.o bn_mp_div.o bn_mp_div_d.o bn_mp_div_2.o \ bn_mp_div_2d.o bn_mp_div_3.o \ - bn_mp_exch.o bn_mp_expt_d.o bn_mp_expt_d_ex.o bn_mp_grow.o bn_mp_init.o \ + bn_mp_exch.o bn_mp_expt_d.o bn_mp_expt_d_ex.o bn_mp_get_int.o bn_mp_get_long.o bn_mp_get_long_long.o bn_mp_grow.o bn_mp_init.o \ bn_mp_init_copy.o bn_mp_init_multi.o bn_mp_init_set.o \ bn_mp_init_set_int.o bn_mp_init_size.o bn_mp_karatsuba_mul.o \ bn_mp_karatsuba_sqr.o \ @@ -328,7 +328,7 @@ TOMMATH_OBJS = bncore.o bn_reverse.o bn_fast_s_mp_mul_digs.o \ bn_mp_mul_2d.o bn_mp_mul_d.o bn_mp_neg.o bn_mp_or.o \ bn_mp_radix_size.o bn_mp_radix_smap.o \ bn_mp_read_radix.o bn_mp_rshd.o bn_mp_set.o bn_mp_set_int.o \ - bn_mp_shrink.o \ + bn_mp_set_long.o bn_mp_set_long_long.o bn_mp_shrink.o \ bn_mp_sqr.o bn_mp_sqrt.o bn_mp_sub.o bn_mp_sub_d.o \ bn_mp_to_unsigned_bin.o bn_mp_to_unsigned_bin_n.o \ bn_mp_toom_mul.o bn_mp_toom_sqr.o bn_mp_toradix_n.o \ @@ -504,6 +504,9 @@ TOMMATH_SRCS = \ $(TOMMATH_DIR)/bn_mp_exch.c \ $(TOMMATH_DIR)/bn_mp_expt_d.c \ $(TOMMATH_DIR)/bn_mp_expt_d_ex.c \ + $(TOMMATH_DIR)/bn_mp_get_int.c \ + $(TOMMATH_DIR)/bn_mp_get_long.c \ + $(TOMMATH_DIR)/bn_mp_get_long_long.c \ $(TOMMATH_DIR)/bn_mp_grow.c \ $(TOMMATH_DIR)/bn_mp_init.c \ $(TOMMATH_DIR)/bn_mp_init_copy.c \ @@ -528,6 +531,8 @@ TOMMATH_SRCS = \ $(TOMMATH_DIR)/bn_mp_rshd.c \ $(TOMMATH_DIR)/bn_mp_set.c \ $(TOMMATH_DIR)/bn_mp_set_int.c \ + $(TOMMATH_DIR)/bn_mp_set_long.c \ + $(TOMMATH_DIR)/bn_mp_set_long_long.c \ $(TOMMATH_DIR)/bn_mp_shrink.c \ $(TOMMATH_DIR)/bn_mp_sqr.c \ $(TOMMATH_DIR)/bn_mp_sqrt.c \ @@ -1426,6 +1431,15 @@ bn_mp_expt_d.o: $(TOMMATH_DIR)/bn_mp_expt_d.c $(MATHHDRS) bn_mp_expt_d_ex.o: $(TOMMATH_DIR)/bn_mp_expt_d_ex.c $(MATHHDRS) $(CC) -c $(CC_SWITCHES) $(TOMMATH_DIR)/bn_mp_expt_d_ex.c +bn_mp_get_int.o: $(TOMMATH_DIR)/bn_mp_get_int.c $(MATHHDRS) + $(CC) -c $(CC_SWITCHES) $(TOMMATH_DIR)/bn_mp_get_int.c + +bn_mp_get_long.o: $(TOMMATH_DIR)/bn_mp_get_long.c $(MATHHDRS) + $(CC) -c $(CC_SWITCHES) $(TOMMATH_DIR)/bn_mp_get_long.c + +bn_mp_get_long_long.o: $(TOMMATH_DIR)/bn_mp_get_long_long.c $(MATHHDRS) + $(CC) -c $(CC_SWITCHES) $(TOMMATH_DIR)/bn_mp_get_long_long.c + bn_mp_grow.o: $(TOMMATH_DIR)/bn_mp_grow.c $(MATHHDRS) $(CC) -c $(CC_SWITCHES) $(TOMMATH_DIR)/bn_mp_grow.c @@ -1498,6 +1512,12 @@ bn_mp_set.o: $(TOMMATH_DIR)/bn_mp_set.c $(MATHHDRS) bn_mp_set_int.o: $(TOMMATH_DIR)/bn_mp_set_int.c $(MATHHDRS) $(CC) -c $(CC_SWITCHES) $(TOMMATH_DIR)/bn_mp_set_int.c +bn_mp_set_long.o: $(TOMMATH_DIR)/bn_mp_set_long.c $(MATHHDRS) + $(CC) -c $(CC_SWITCHES) $(TOMMATH_DIR)/bn_mp_set_long.c + +bn_mp_set_long_long.o: $(TOMMATH_DIR)/bn_mp_set_long_long.c $(MATHHDRS) + $(CC) -c $(CC_SWITCHES) $(TOMMATH_DIR)/bn_mp_set_long_long.c + bn_mp_shrink.o: $(TOMMATH_DIR)/bn_mp_shrink.c $(MATHHDRS) $(CC) -c $(CC_SWITCHES) $(TOMMATH_DIR)/bn_mp_shrink.c diff --git a/unix/configure b/unix/configure index a9132b57..129c283 100755 --- a/unix/configure +++ b/unix/configure @@ -2325,7 +2325,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu TCL_VERSION=8.7 TCL_MAJOR_VERSION=8 TCL_MINOR_VERSION=7 -TCL_PATCH_LEVEL="a0" +TCL_PATCH_LEVEL="a2" VERSION=${TCL_VERSION} EXTRA_INSTALL_BINARIES=${EXTRA_INSTALL_BINARIES:-"@:"} diff --git a/unix/configure.ac b/unix/configure.ac index b43da6d..e14d85e 100644 --- a/unix/configure.ac +++ b/unix/configure.ac @@ -25,7 +25,7 @@ m4_ifdef([SC_USE_CONFIG_HEADERS], [ TCL_VERSION=8.7 TCL_MAJOR_VERSION=8 TCL_MINOR_VERSION=7 -TCL_PATCH_LEVEL="a0" +TCL_PATCH_LEVEL="a2" VERSION=${TCL_VERSION} EXTRA_INSTALL_BINARIES=${EXTRA_INSTALL_BINARIES:-"@:"} diff --git a/unix/tcl.spec b/unix/tcl.spec index 868a226..265e4df 100644 --- a/unix/tcl.spec +++ b/unix/tcl.spec @@ -4,7 +4,7 @@ Name: tcl Summary: Tcl scripting language development environment -Version: 8.7a0 +Version: 8.7a2 Release: 2 License: BSD Group: Development/Languages diff --git a/win/Makefile.in b/win/Makefile.in index 3f5970b..4132337 100644 --- a/win/Makefile.in +++ b/win/Makefile.in @@ -329,6 +329,9 @@ TOMMATH_OBJS = \ bn_mp_exch.${OBJEXT} \ bn_mp_expt_d.${OBJEXT} \ bn_mp_expt_d_ex.${OBJEXT} \ + bn_mp_get_int.${OBJEXT} \ + bn_mp_get_long.${OBJEXT} \ + bn_mp_get_long_long.${OBJEXT} \ bn_mp_grow.${OBJEXT} \ bn_mp_init.${OBJEXT} \ bn_mp_init_copy.${OBJEXT} \ @@ -353,6 +356,8 @@ TOMMATH_OBJS = \ bn_mp_rshd.${OBJEXT} \ bn_mp_set.${OBJEXT} \ bn_mp_set_int.${OBJEXT} \ + bn_mp_set_long.${OBJEXT} \ + bn_mp_set_long_long.${OBJEXT} \ bn_mp_shrink.${OBJEXT} \ bn_mp_sqr.${OBJEXT} \ bn_mp_sqrt.${OBJEXT} \ diff --git a/win/configure b/win/configure index d0431cb..fdd3adb 100755 --- a/win/configure +++ b/win/configure @@ -2102,7 +2102,7 @@ SHELL=/bin/sh TCL_VERSION=8.7 TCL_MAJOR_VERSION=8 TCL_MINOR_VERSION=7 -TCL_PATCH_LEVEL="a0" +TCL_PATCH_LEVEL="a2" VER=$TCL_MAJOR_VERSION$TCL_MINOR_VERSION TCL_DDE_VERSION=1.4 diff --git a/win/configure.ac b/win/configure.ac index 2821bc3..d03695c 100644 --- a/win/configure.ac +++ b/win/configure.ac @@ -14,7 +14,7 @@ SHELL=/bin/sh TCL_VERSION=8.7 TCL_MAJOR_VERSION=8 TCL_MINOR_VERSION=7 -TCL_PATCH_LEVEL="a0" +TCL_PATCH_LEVEL="a2" VER=$TCL_MAJOR_VERSION$TCL_MINOR_VERSION TCL_DDE_VERSION=1.4 diff --git a/win/makefile.vc b/win/makefile.vc index 480a0ef..d8efcd8 100644 --- a/win/makefile.vc +++ b/win/makefile.vc @@ -384,6 +384,9 @@ TOMMATHOBJS = \ $(TMP_DIR)\bn_mp_exch.obj \
$(TMP_DIR)\bn_mp_expt_d.obj \
$(TMP_DIR)\bn_mp_expt_d_ex.obj \
+ $(TMP_DIR)\bn_mp_get_int.obj \
+ $(TMP_DIR)\bn_mp_get_long.obj \
+ $(TMP_DIR)\bn_mp_get_long_long.obj \
$(TMP_DIR)\bn_mp_grow.obj \
$(TMP_DIR)\bn_mp_init.obj \
$(TMP_DIR)\bn_mp_init_copy.obj \
@@ -408,6 +411,8 @@ TOMMATHOBJS = \ $(TMP_DIR)\bn_mp_rshd.obj \
$(TMP_DIR)\bn_mp_set.obj \
$(TMP_DIR)\bn_mp_set_int.obj \
+ $(TMP_DIR)\bn_mp_set_long.obj \
+ $(TMP_DIR)\bn_mp_set_long_long.obj \
$(TMP_DIR)\bn_mp_shrink.obj \
$(TMP_DIR)\bn_mp_sqr.obj \
$(TMP_DIR)\bn_mp_sqrt.obj \
diff --git a/win/nmakehlp.c b/win/nmakehlp.c index 22b7b06..0439d1c 100644 --- a/win/nmakehlp.c +++ b/win/nmakehlp.c @@ -74,6 +74,7 @@ main( char msg[300]; DWORD dwWritten; int chars; + char *s; /* * Make sure children (cl.exe and link.exe) are kept quiet. @@ -153,8 +154,13 @@ main( &dwWritten, NULL); return 0; } - printf("%s\n", GetVersionFromFile(argv[2], argv[3], *(argv[1]+2) - '0')); - return 0; + s = GetVersionFromFile(argv[2], argv[3], *(argv[1]+2) - '0'); + if (s && *s) { + printf("%s\n", s); + return 0; + } else + return 1; /* Version not found. Return non-0 exit code */ + case 'Q': if (argc != 3) { chars = snprintf(msg, sizeof(msg) - 1, diff --git a/win/tclAppInit.c b/win/tclAppInit.c index e06eaf5..ef9f98b 100644 --- a/win/tclAppInit.c +++ b/win/tclAppInit.c @@ -263,8 +263,8 @@ setargv( } /* Make sure we don't call ckalloc through the (not yet initialized) stub table */ - #undef Tcl_Alloc - #undef Tcl_DbCkalloc +# undef Tcl_Alloc +# undef Tcl_DbCkalloc argSpace = ckalloc(size * sizeof(char *) + (_tcslen(cmdLine) * sizeof(TCHAR)) + sizeof(TCHAR)); diff --git a/win/tclWinFCmd.c b/win/tclWinFCmd.c index 01af950..319ecf9 100644 --- a/win/tclWinFCmd.c +++ b/win/tclWinFCmd.c @@ -1611,13 +1611,11 @@ ConvertFileNameFormat( for (i = 0; i < pathc; i++) { Tcl_Obj *elt; char *pathv; - size_t pathLen; Tcl_ListObjIndex(NULL, splitPath, i, &elt); pathv = TclGetString(elt); - pathLen = elt->length; - if ((pathv[0] == '/') || ((pathLen == 3) && (pathv[1] == ':')) + if ((pathv[0] == '/') || ((elt->length == 3) && (pathv[1] == ':')) || (strcmp(pathv, ".") == 0) || (strcmp(pathv, "..") == 0)) { /* * Handle "/", "//machine/export", "c:/", "." or ".." by just diff --git a/win/tclWinLoad.c b/win/tclWinLoad.c index 26512b1..27eb8f3 100644 --- a/win/tclWinLoad.c +++ b/win/tclWinLoad.c @@ -66,6 +66,7 @@ TclpDlopen( HINSTANCE hInstance; const TCHAR *nativeName; Tcl_LoadHandle handlePtr; + DWORD firstError; /* * First try the full path the user gave us. This is particularly @@ -84,6 +85,12 @@ TclpDlopen( Tcl_DString ds; + /* + * Remember the first error on load attempt to be used if the + * second load attempt below also fails. + */ + firstError = GetLastError(); + nativeName = Tcl_WinUtfToTChar(Tcl_GetString(pathPtr), -1, &ds); hInstance = LoadLibraryEx(nativeName, NULL, LOAD_WITH_ALTERED_SEARCH_PATH); @@ -91,8 +98,21 @@ TclpDlopen( } if (hInstance == NULL) { - DWORD lastError = GetLastError(); - Tcl_Obj *errMsg = Tcl_ObjPrintf("couldn't load library \"%s\": ", + DWORD lastError; + Tcl_Obj *errMsg; + + /* + * We choose to only use the error from the second call if the first + * call failed due to the file not being found. Else stick to the + * first error for reporting purposes. + */ + if (firstError == ERROR_MOD_NOT_FOUND || + firstError == ERROR_DLL_NOT_FOUND) + lastError = GetLastError(); + else + lastError = firstError; + + errMsg = Tcl_ObjPrintf("couldn't load library \"%s\": ", Tcl_GetString(pathPtr)); /* @@ -129,7 +149,11 @@ TclpDlopen( Tcl_AppendToObj(errMsg, "the library initialization" " routine failed", -1); break; - default: + case ERROR_BAD_EXE_FORMAT: + Tcl_SetErrorCode(interp, "WIN_LOAD", "BAD_EXE_FORMAT", NULL); + Tcl_AppendToObj(errMsg, "Bad exe format. Possibly a 32/64-bit mismatch.", -1); + break; + default: TclWinConvertError(lastError); Tcl_AppendToObj(errMsg, Tcl_PosixError(interp), -1); } diff --git a/win/tclWinPipe.c b/win/tclWinPipe.c index 4b372a5..5f1aa70 100644 --- a/win/tclWinPipe.c +++ b/win/tclWinPipe.c @@ -3392,11 +3392,11 @@ TclPipeThreadStop( SetEvent(pipeTI->evWakeUp); } CloseHandle(pipeTI->evControl); - #ifndef _PTI_USE_CKALLOC +# ifndef _PTI_USE_CKALLOC free(pipeTI); - #else +# else ckfree(pipeTI); - #endif +# endif } } @@ -3440,13 +3440,13 @@ TclPipeThreadExit( if (pipeTI->evWakeUp) { SetEvent(pipeTI->evWakeUp); } - #ifndef _PTI_USE_CKALLOC +# ifndef _PTI_USE_CKALLOC free(pipeTI); - #else +# else ckfree(pipeTI); /* be sure all subsystems used are finalized */ Tcl_FinalizeThread(); - #endif +# endif } } |