Merge 8.7

1 files changed, 54 insertions, 39 deletions

diff --git a/generic/tclTomMath.h b/generic/tclTomMath.h
index e0f8497..fbf0d35 100644
--- a/generic/tclTomMath.h
+++ b/generic/tclTomMath.h
@@ -9,8 +9,6 @@
  *
  * The library is free for all purposes without any express
  * guarantee it works.
- *
- * Tom St Denis, tstdenis82@gmail.com, http://math.libtomcrypt.com
  */
 #ifndef BN_H_
 #define BN_H_
@@ -27,14 +25,20 @@ extern "C" {
 #endif
 
 /* MS Visual C++ doesn't have a 128bit type for words, so fall back to 32bit MPI's (where words are 64bit) */
-#if defined(_MSC_VER) || defined(__LLP64__)
+#if defined(_MSC_VER) || defined(__LLP64__) || defined(__e2k__) || defined(__LCC__)
 #   define MP_32BIT
 #endif
 
 /* detect 64-bit mode if possible */
 #if defined(NEVER)
-#   if !(defined(MP_32BIT) || defined(MP_16BIT) || defined(MP_8BIT) || defined(_MSC_VER))
-#      define MP_64BIT
+#   if !(defined(MP_32BIT) || defined(MP_16BIT) || defined(MP_8BIT))
+#      if defined(__GNUC__)
+/* we support 128bit integers only via: __attribute__((mode(TI))) */
+#         define MP_64BIT
+#      else
+/* otherwise we fall back to MP_32BIT even on 64bit platforms */
+#         define MP_32BIT
+#      endif
 #   endif
 #endif
 
@@ -48,11 +52,11 @@ extern "C" {
  */
 #ifdef MP_8BIT
 #ifndef MP_DIGIT_DECLARED
-typedef uint8_t              mp_digit;
+typedef unsigned char        mp_digit;
 #define MP_DIGIT_DECLARED
 #endif
 #ifndef MP_WORD_DECLARED
-typedef uint16_t             mp_word;
+typedef unsigned short       mp_word;
 #define MP_WORD_DECLARED
 #endif
 #   define MP_SIZEOF_MP_DIGIT 1
@@ -61,11 +65,11 @@ typedef uint16_t             mp_word;
 #   endif
 #elif defined(MP_16BIT)
 #ifndef MP_DIGIT_DECLARED
-typedef uint16_t             mp_digit;
+typedef unsigned short       mp_digit;
 #define MP_DIGIT_DECLARED
 #endif
 #ifndef MP_WORD_DECLARED
-typedef uint32_t             mp_word;
+typedef unsigned int         mp_word;
 #define MP_WORD_DECLARED
 #endif
 #   define MP_SIZEOF_MP_DIGIT 2
@@ -75,31 +79,21 @@ typedef uint32_t             mp_word;
 #elif defined(MP_64BIT)
 /* for GCC only on supported platforms */
 #ifndef MP_DIGIT_DECLARED
-typedef uint64_t mp_digit;
+typedef unsigned long long   mp_digit;
 #define MP_DIGIT_DECLARED
 #endif
-#   if 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;
-#define MP_WORD_DECLARED
-#endif
-#   endif
-
 #   define DIGIT_BIT 60
 #else
 /* this is the default case, 28-bit digits */
 
 /* this is to make porting into LibTomCrypt easier :-) */
 #ifndef MP_DIGIT_DECLARED
-typedef uint32_t             mp_digit;
+typedef unsigned int         mp_digit;
 #define MP_DIGIT_DECLARED
 #endif
 #ifndef MP_WORD_DECLARED
-typedef uint64_t             mp_word;
+typedef unsigned long long   mp_word;
 #define MP_WORD_DECLARED
 #endif
 
@@ -116,23 +110,11 @@ typedef uint64_t             mp_word;
 /* 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;
+typedef unsigned long mp_min_u32;
 #else
 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  0xffffffffu
-#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
-#endif
-
 #define MP_DIGIT_BIT     DIGIT_BIT
 #define MP_MASK          ((((mp_digit)1)<<((mp_digit)DIGIT_BIT))-((mp_digit)1))
 #define MP_DIGIT_MAX     MP_MASK
@@ -271,9 +253,9 @@ int mp_set_int(mp_int *a, unsigned long b);
 int mp_set_long(mp_int *a, unsigned long b);
 */
 
-/* set a platform dependent Tcl_WideUInt value */
+/* set a platform dependent unsigned long long value */
 /*
-int mp_set_long_long(mp_int *a, Tcl_WideUInt b);
+int mp_set_long_long(mp_int *a, unsigned long long b);
 */
 
 /* get a 32-bit value */
@@ -286,9 +268,9 @@ unsigned long mp_get_int(const mp_int *a);
 unsigned long mp_get_long(const mp_int *a);
 */
 
-/* get a platform dependent Tcl_WideUInt value */
+/* get a platform dependent unsigned long long value */
 /*
-Tcl_WideUInt mp_get_long_long(const mp_int *a);
+unsigned long long mp_get_long_long(const mp_int *a);
 */
 
 /* initialize and set a digit */
@@ -380,6 +362,14 @@ int mp_cnt_lsb(const mp_int *a);
 int mp_rand(mp_int *a, int digits);
 */
 
+#ifdef MP_PRNG_ENABLE_LTM_RNG
+/* as last resort we will fall back to libtomcrypt's rng_get_bytes()
+ * in case you don't use libtomcrypt or use it w/o rng_get_bytes()
+ * you have to implement it somewhere else, as it's required */
+extern unsigned long (*ltm_rng)(unsigned char *out, unsigned long outlen, void (*callback)(void));
+extern void (*ltm_rng_callback)(void);
+#endif
+
 /* ---> binary operations <--- */
 /* c = a XOR b  */
 /*
@@ -396,8 +386,33 @@ int mp_or(const mp_int *a, const mp_int *b, mp_int *c);
 int mp_and(const mp_int *a, const mp_int *b, mp_int *c);
 */
 
+/* c = a XOR b (two complement) */
+/*
+int mp_tc_xor(const mp_int *a, const mp_int *b, mp_int *c);
+*/
+
+/* c = a OR b (two complement) */
+/*
+int mp_tc_or(const mp_int *a, const mp_int *b, mp_int *c);
+*/
+
+/* c = a AND b (two complement) */
+/*
+int mp_tc_and(const mp_int *a, const mp_int *b, mp_int *c);
+*/
+
+/* right shift (two complement) */
+/*
+int mp_tc_div_2d(const mp_int *a, int b, mp_int *c);
+*/
+
 /* ---> Basic arithmetic <--- */
 
+/* b = ~a */
+/*
+int mp_complement(const mp_int *a, mp_int *b);
+*/
+
 /* b = -a */
 /*
 int mp_neg(const mp_int *a, mp_int *b);