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authorjan.nijtmans <nijtmans@users.sourceforge.net>2017-09-18 08:31:55 (GMT)
committerjan.nijtmans <nijtmans@users.sourceforge.net>2017-09-18 08:31:55 (GMT)
commita187f65cfd5964971d7ed52f09e18fdbb4bf51cc (patch)
tree6b7bbde03122d1571d4543d10eccfe88610bd680
parent0faaca01de4e9fa2039c7fdd34f60b138f665249 (diff)
parent30f7e69b182d1267056ee2628a860891f6555aa3 (diff)
downloadtcl-a187f65cfd5964971d7ed52f09e18fdbb4bf51cc.zip
tcl-a187f65cfd5964971d7ed52f09e18fdbb4bf51cc.tar.gz
tcl-a187f65cfd5964971d7ed52f09e18fdbb4bf51cc.tar.bz2
Merge libtommath upstream changes (astyle formatting only). No functional changes. All Tcl-specific modifications are kept.
-rw-r--r--generic/tclTomMath.h156
-rw-r--r--libtommath/astylerc27
-rw-r--r--libtommath/bn_error.c16
-rw-r--r--libtommath/bn_fast_mp_invmod.c223
-rw-r--r--libtommath/bn_fast_mp_montgomery_reduce.c270
-rw-r--r--libtommath/bn_fast_s_mp_mul_digs.c80
-rw-r--r--libtommath/bn_fast_s_mp_mul_high_digs.c70
-rw-r--r--libtommath/bn_fast_s_mp_sqr.c80
-rw-r--r--libtommath/bn_mp_2expt.c28
-rw-r--r--libtommath/bn_mp_abs.c24
-rw-r--r--libtommath/bn_mp_add.c48
-rw-r--r--libtommath/bn_mp_add_d.c172
-rw-r--r--libtommath/bn_mp_addmod.c26
-rw-r--r--libtommath/bn_mp_and.c56
-rw-r--r--libtommath/bn_mp_clamp.c24
-rw-r--r--libtommath/bn_mp_clear.c30
-rw-r--r--libtommath/bn_mp_clear_multi.c18
-rw-r--r--libtommath/bn_mp_cmp.c34
-rw-r--r--libtommath/bn_mp_cmp_d.c34
-rw-r--r--libtommath/bn_mp_cmp_mag.c54
-rw-r--r--libtommath/bn_mp_cnt_lsb.c2
-rw-r--r--libtommath/bn_mp_copy.c66
-rw-r--r--libtommath/bn_mp_count_bits.c34
-rw-r--r--libtommath/bn_mp_div.c453
-rw-r--r--libtommath/bn_mp_div_2.c70
-rw-r--r--libtommath/bn_mp_div_2d.c100
-rw-r--r--libtommath/bn_mp_div_3.c86
-rw-r--r--libtommath/bn_mp_div_d.c124
-rw-r--r--libtommath/bn_mp_dr_is_modulus.c6
-rw-r--r--libtommath/bn_mp_dr_reduce.c84
-rw-r--r--libtommath/bn_mp_dr_setup.c4
-rw-r--r--libtommath/bn_mp_exch.c12
-rw-r--r--libtommath/bn_mp_export.c123
-rw-r--r--libtommath/bn_mp_expt_d.c4
-rw-r--r--libtommath/bn_mp_expt_d_ex.c95
-rw-r--r--libtommath/bn_mp_exptmod.c114
-rw-r--r--libtommath/bn_mp_exptmod_fast.c487
-rw-r--r--libtommath/bn_mp_exteuclid.c92
-rw-r--r--libtommath/bn_mp_fread.c18
-rw-r--r--libtommath/bn_mp_fwrite.c22
-rw-r--r--libtommath/bn_mp_gcd.c140
-rw-r--r--libtommath/bn_mp_get_int.c30
-rw-r--r--libtommath/bn_mp_get_long.c28
-rw-r--r--libtommath/bn_mp_get_long_long.c28
-rw-r--r--libtommath/bn_mp_grow.c56
-rw-r--r--libtommath/bn_mp_import.c75
-rw-r--r--libtommath/bn_mp_init.c32
-rw-r--r--libtommath/bn_mp_init_copy.c18
-rw-r--r--libtommath/bn_mp_init_multi.c58
-rw-r--r--libtommath/bn_mp_init_set.c14
-rw-r--r--libtommath/bn_mp_init_set_int.c12
-rw-r--r--libtommath/bn_mp_init_size.c36
-rw-r--r--libtommath/bn_mp_invmod.c22
-rw-r--r--libtommath/bn_mp_invmod_slow.c247
-rw-r--r--libtommath/bn_mp_is_square.c137
-rw-r--r--libtommath/bn_mp_jacobi.c152
-rw-r--r--libtommath/bn_mp_karatsuba_mul.c263
-rw-r--r--libtommath/bn_mp_karatsuba_sqr.c190
-rw-r--r--libtommath/bn_mp_lcm.c66
-rw-r--r--libtommath/bn_mp_lshd.c68
-rw-r--r--libtommath/bn_mp_mod.c36
-rw-r--r--libtommath/bn_mp_mod_2d.c50
-rw-r--r--libtommath/bn_mp_mod_d.c4
-rw-r--r--libtommath/bn_mp_montgomery_calc_normalization.c46
-rw-r--r--libtommath/bn_mp_montgomery_reduce.c178
-rw-r--r--libtommath/bn_mp_montgomery_setup.c44
-rw-r--r--libtommath/bn_mp_mul.c62
-rw-r--r--libtommath/bn_mp_mul_2.c100
-rw-r--r--libtommath/bn_mp_mul_2d.c100
-rw-r--r--libtommath/bn_mp_mul_d.c80
-rw-r--r--libtommath/bn_mp_mulmod.c26
-rw-r--r--libtommath/bn_mp_n_root.c4
-rw-r--r--libtommath/bn_mp_n_root_ex.c185
-rw-r--r--libtommath/bn_mp_neg.c26
-rw-r--r--libtommath/bn_mp_or.c48
-rw-r--r--libtommath/bn_mp_prime_fermat.c63
-rw-r--r--libtommath/bn_mp_prime_is_divisible.c36
-rw-r--r--libtommath/bn_mp_prime_is_prime.c77
-rw-r--r--libtommath/bn_mp_prime_miller_rabin.c125
-rw-r--r--libtommath/bn_mp_prime_next_prime.c86
-rw-r--r--libtommath/bn_mp_prime_rabin_miller_trials.c26
-rw-r--r--libtommath/bn_mp_prime_random_ex.c38
-rw-r--r--libtommath/bn_mp_radix_size.c84
-rw-r--r--libtommath/bn_mp_rand.c74
-rw-r--r--libtommath/bn_mp_read_radix.c110
-rw-r--r--libtommath/bn_mp_read_signed_bin.c26
-rw-r--r--libtommath/bn_mp_read_unsigned_bin.c46
-rw-r--r--libtommath/bn_mp_reduce.c112
-rw-r--r--libtommath/bn_mp_reduce_2k_setup.c8
-rw-r--r--libtommath/bn_mp_reduce_2k_setup_l.c8
-rw-r--r--libtommath/bn_mp_reduce_is_2k.c20
-rw-r--r--libtommath/bn_mp_reduce_is_2k_l.c10
-rw-r--r--libtommath/bn_mp_reduce_setup.c14
-rw-r--r--libtommath/bn_mp_rshd.c76
-rw-r--r--libtommath/bn_mp_set.c8
-rw-r--r--libtommath/bn_mp_set_int.c38
-rw-r--r--libtommath/bn_mp_shrink.c32
-rw-r--r--libtommath/bn_mp_signed_bin_size.c4
-rw-r--r--libtommath/bn_mp_sqr.c48
-rw-r--r--libtommath/bn_mp_sqrmod.c26
-rw-r--r--libtommath/bn_mp_sqrt.c164
-rw-r--r--libtommath/bn_mp_sqrtmod_prime.c184
-rw-r--r--libtommath/bn_mp_sub.c58
-rw-r--r--libtommath/bn_mp_sub_d.c114
-rw-r--r--libtommath/bn_mp_submod.c26
-rw-r--r--libtommath/bn_mp_to_signed_bin.c14
-rw-r--r--libtommath/bn_mp_to_signed_bin_n.c2
-rw-r--r--libtommath/bn_mp_to_unsigned_bin.c36
-rw-r--r--libtommath/bn_mp_to_unsigned_bin_n.c2
-rw-r--r--libtommath/bn_mp_toom_mul.c454
-rw-r--r--libtommath/bn_mp_toom_sqr.c396
-rw-r--r--libtommath/bn_mp_toradix.c82
-rw-r--r--libtommath/bn_mp_toradix_n.c104
-rw-r--r--libtommath/bn_mp_unsigned_bin_size.c6
-rw-r--r--libtommath/bn_mp_xor.c48
-rw-r--r--libtommath/bn_mp_zero.c18
-rw-r--r--libtommath/bn_prime_tab.c66
-rw-r--r--libtommath/bn_reverse.c24
-rw-r--r--libtommath/bn_s_mp_add.c158
-rw-r--r--libtommath/bn_s_mp_exptmod.c412
-rw-r--r--libtommath/bn_s_mp_mul_digs.c106
-rw-r--r--libtommath/bn_s_mp_mul_high_digs.c84
-rw-r--r--libtommath/bn_s_mp_sqr.c96
-rw-r--r--libtommath/bn_s_mp_sub.c100
-rw-r--r--libtommath/bncore.c6
-rw-r--r--libtommath/libtommath.dsp572
-rw-r--r--libtommath/libtommath.pc.in10
-rw-r--r--libtommath/libtommath_VS2005.sln20
-rw-r--r--libtommath/libtommath_VS2005.vcproj2847
-rw-r--r--libtommath/libtommath_VS2008.sln20
-rw-r--r--libtommath/libtommath_VS2008.vcproj2813
-rw-r--r--libtommath/makefile3
-rw-r--r--libtommath/tommath.h158
-rw-r--r--libtommath/tommath_class.h1315
-rw-r--r--libtommath/tommath_private.h34
-rw-r--r--libtommath/tommath_superclass.h102
136 files changed, 12193 insertions, 5783 deletions
diff --git a/generic/tclTomMath.h b/generic/tclTomMath.h
index 34ac1bb..14cf5b6 100644
--- a/generic/tclTomMath.h
+++ b/generic/tclTomMath.h
@@ -28,9 +28,9 @@ extern "C" {
/* 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(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, Tcl_WideUInt 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 */
/*
-Tcl_WideUInt mp_get_long_long(const 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 */
@@ -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, mp_int *op);
*/
/* ---> digit manipulation <--- */
@@ -457,7 +457,7 @@ int mp_cmp_d(const mp_int *a, mp_digit b);
/* c = a + b */
/*
-int mp_add_d(const mp_int *a, const mp_digit b, mp_int *c);
+int mp_add_d(const mp_int *a, mp_digit b, mp_int *c);
*/
/* c = a - b */
@@ -482,10 +482,10 @@ int mp_div_3(const mp_int *a, mp_int *c, mp_digit *d);
/* c = a**b */
/*
-int mp_expt_d(const mp_int *a, const 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 (const mp_int * a, const 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 */
@@ -543,12 +543,12 @@ int mp_lcm(mp_int *a, mp_int *b, mp_int *c);
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_ex(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) */
@@ -651,9 +651,9 @@ int mp_exptmod(mp_int *a, mp_int *b, mp_int *c, mp_int *d);
/* 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 */
@@ -741,7 +741,7 @@ 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);
@@ -750,7 +750,7 @@ int mp_read_unsigned_bin(mp_int *a, const unsigned char *b, int c);
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_to_unsigned_bin_n(const mp_int *a, unsigned char *b, unsigned long *outlen);
*/
/*
@@ -763,7 +763,7 @@ int mp_read_signed_bin(mp_int *a, const unsigned char *b, int c);
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_to_signed_bin_n(const mp_int *a, unsigned char *b, unsigned long *outlen);
*/
/*
@@ -773,7 +773,7 @@ int mp_read_radix(mp_int *a, const char *str, int radix);
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_toradix_n(const mp_int *a, char *str, int radix, int maxlen);
*/
/*
int mp_radix_size(const mp_int *a, int radix, int *size);
@@ -801,7 +801,7 @@ int mp_fwrite(const 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/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..7771136 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(mp_int *a, 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..f2c38bf 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, 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 641b574..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 (const mp_int * a, const 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 (const mp_int * a, const 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 (const mp_int * a, const 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..588d80b 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(mp_int *a, 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 282d303..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 (const 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 (const 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 (const 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..bdc868f 100644
--- a/libtommath/bn_mp_2expt.c
+++ b/libtommath/bn_mp_2expt.c
@@ -15,31 +15,31 @@
* 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)
+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..343a102 100644
--- a/libtommath/bn_mp_abs.c
+++ b/libtommath/bn_mp_abs.c
@@ -15,26 +15,26 @@
* 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)
+mp_abs(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 a68c02e..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 (const mp_int * a, const 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 c2f2e0e..5270d27 100644
--- a/libtommath/bn_mp_add_d.c
+++ b/libtommath/bn_mp_add_d.c
@@ -17,93 +17,93 @@
/* single digit addition */
int
-mp_add_d (const mp_int * a, mp_digit b, mp_int * c)
+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))) {
- 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;
+ 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..0521974 100644
--- a/libtommath/bn_mp_addmod.c
+++ b/libtommath/bn_mp_addmod.c
@@ -17,22 +17,22 @@
/* d = a + b (mod c) */
int
-mp_addmod (mp_int * a, mp_int * b, mp_int * c, mp_int * d)
+mp_addmod(mp_int *a, mp_int *b, 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 e90ab37..c6e8cf7 100644
--- a/libtommath/bn_mp_and.c
+++ b/libtommath/bn_mp_and.c
@@ -17,39 +17,39 @@
/* AND two ints together */
int
-mp_and (const mp_int * a, const mp_int * b, mp_int * c)
+mp_and(const mp_int *a, const mp_int *b, mp_int *c)
{
- int res, ix, px;
- mp_int t;
- const mp_int *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..e5c8907 100644
--- a/libtommath/bn_mp_clamp.c
+++ b/libtommath/bn_mp_clamp.c
@@ -15,7 +15,7 @@
* 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
@@ -23,19 +23,19 @@
* are no more leading digits
*/
void
-mp_clamp (mp_int * a)
+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..eada2d7 100644
--- a/libtommath/bn_mp_clear.c
+++ b/libtommath/bn_mp_clear.c
@@ -17,25 +17,25 @@
/* clear one (frees) */
void
-mp_clear (mp_int * a)
+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..37f616e 100644
--- a/libtommath/bn_mp_cmp.c
+++ b/libtommath/bn_mp_cmp.c
@@ -17,24 +17,24 @@
/* compare two ints (signed)*/
int
-mp_cmp (const mp_int * a, const mp_int * b)
+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..0f31138 100644
--- a/libtommath/bn_mp_copy.c
+++ b/libtommath/bn_mp_copy.c
@@ -17,49 +17,49 @@
/* copy, b = a */
int
-mp_copy (const mp_int * a, mp_int * b)
+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..f2cd190 100644
--- a/libtommath/bn_mp_count_bits.c
+++ b/libtommath/bn_mp_count_bits.c
@@ -17,26 +17,26 @@
/* returns the number of bits in an int */
int
-mp_count_bits (const mp_int * a)
+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 30b36b6..6bad443 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(const mp_int * a, const 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 (const mp_int * a, const 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 0e981a0..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(const 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 5e75438..8011965 100644
--- a/libtommath/bn_mp_div_3.c
+++ b/libtommath/bn_mp_div_3.c
@@ -17,59 +17,59 @@
/* divide by three (based on routine from MPI and the GMP manual) */
int
-mp_div_3 (const mp_int * a, mp_int *c, mp_digit * d)
+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 4767565..9997646 100644
--- a/libtommath/bn_mp_div_d.c
+++ b/libtommath/bn_mp_div_d.c
@@ -21,7 +21,7 @@ static int s_is_power_of_two(mp_digit b, int *p)
/* 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;
+ return 0;
}
for (x = 1; x < DIGIT_BIT; x++) {
if (b == (((mp_digit)1)<<x)) {
@@ -33,78 +33,78 @@ 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 mp_div_d(const mp_int *a, mp_digit b, mp_int *c, mp_digit *d)
{
- mp_int q;
- mp_word w;
- mp_digit t;
- int res, ix;
+ mp_int q;
+ mp_word w;
+ mp_digit t;
+ int res, ix;
- /* cannot divide by zero */
- if (b == 0) {
- return MP_VAL;
- }
+ /* 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;
- }
+ /* 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 (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;
+ }
#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..4631daa 100644
--- a/libtommath/bn_mp_dr_is_modulus.c
+++ b/libtommath/bn_mp_dr_is_modulus.c
@@ -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..e90dc55 100644
--- a/libtommath/bn_mp_dr_reduce.c
+++ b/libtommath/bn_mp_dr_reduce.c
@@ -30,64 +30,64 @@
* 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)
+mp_dr_reduce(mp_int *x, 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..b49c81a 100644
--- a/libtommath/bn_mp_dr_setup.c
+++ b/libtommath/bn_mp_dr_setup.c
@@ -21,8 +21,8 @@ void mp_dr_setup(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..a95560a 100644
--- a/libtommath/bn_mp_exch.c
+++ b/libtommath/bn_mp_exch.c
@@ -15,17 +15,17 @@
* 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)
+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..43228a8 100644
--- a/libtommath/bn_mp_export.c
+++ b/libtommath/bn_mp_export.c
@@ -18,67 +18,68 @@
/* 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, 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 ffa3b93..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 (const 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 545d156..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 (const 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..c4f392b 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(mp_int *G, mp_int *X, 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..7278b9f 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(mp_int *G, mp_int *X, 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 *,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..419146b 100644
--- a/libtommath/bn_mp_exteuclid.c
+++ b/libtommath/bn_mp_exteuclid.c
@@ -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 e2b5ec2..829dd4a 100644
--- a/libtommath/bn_mp_fwrite.c
+++ b/libtommath/bn_mp_fwrite.c
@@ -20,29 +20,29 @@ 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..18f6dc3 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(mp_int *a, 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 abb7011..5d26ce9 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(const 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 da69080..ea9ac43 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(const 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 534c48c..111b469 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 */
-Tcl_WideUInt mp_get_long_long (const mp_int * a)
+Tcl_WideUInt mp_get_long_long(const mp_int *a)
{
- int i;
- Tcl_WideUInt 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(Tcl_WideUInt) * 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..50bee2e 100644
--- a/libtommath/bn_mp_import.c
+++ b/libtommath/bn_mp_import.c
@@ -18,52 +18,53 @@
/* 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..b70fe18 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(mp_int *a, 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..2bdd2b1 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(mp_int *a, 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..84229bf 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(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..8981393 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(mp_int *a, 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 1e6a42b..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 (const mp_int * a, const 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 90624d0..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 (const 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..dc661f3 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(mp_int *a, 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 fff0f92..a7525c0 100644
--- a/libtommath/bn_mp_mod.c
+++ b/libtommath/bn_mp_mod.c
@@ -17,29 +17,29 @@
/* c = a mod b, 0 <= c < b if b > 0, b < c <= 0 if b < 0 */
int
-mp_mod (const mp_int * a, const mp_int * b, mp_int * c)
+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..31997d3 100644
--- a/libtommath/bn_mp_mod_2d.c
+++ b/libtommath/bn_mp_mod_2d.c
@@ -17,36 +17,36 @@
/* calc a value mod 2**b */
int
-mp_mod_2d (const mp_int * a, int b, mp_int * c)
+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..6afe4f1 100644
--- a/libtommath/bn_mp_mod_d.c
+++ b/libtommath/bn_mp_mod_d.c
@@ -16,9 +16,9 @@
*/
int
-mp_mod_d (mp_int * a, mp_digit b, mp_digit * c)
+mp_mod_d(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..2d95140 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, 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..1ee69b2 100644
--- a/libtommath/bn_mp_montgomery_reduce.c
+++ b/libtommath/bn_mp_montgomery_reduce.c
@@ -17,99 +17,99 @@
/* computes xR**-1 == x (mod N) via Montgomery Reduction */
int
-mp_montgomery_reduce (mp_int * x, mp_int * n, mp_digit rho)
+mp_montgomery_reduce(mp_int *x, 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..fac71a6 100644
--- a/libtommath/bn_mp_montgomery_setup.c
+++ b/libtommath/bn_mp_montgomery_setup.c
@@ -17,40 +17,40 @@
/* setups the montgomery reduction stuff */
int
-mp_montgomery_setup (mp_int * n, mp_digit * rho)
+mp_montgomery_setup(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 b8b85c8..6e7f956 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 (const mp_int * a, const 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 0c8c2e3..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(const 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 266b082..98b99c9 100644
--- a/libtommath/bn_mp_mul_d.c
+++ b/libtommath/bn_mp_mul_d.c
@@ -17,60 +17,60 @@
/* multiply by a digit */
int
-mp_mul_d (const mp_int * a, mp_digit b, mp_int * c)
+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..b1e6a33 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(mp_int *a, mp_int *b, 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..8211c0a 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(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..9546745 100644
--- a/libtommath/bn_mp_n_root_ex.c
+++ b/libtommath/bn_mp_n_root_ex.c
@@ -25,105 +25,108 @@
* 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(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;
+ 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;
}
- } else {
- break;
- }
- }
- /* reset the sign of a first */
- a->sign = neg;
+ /* 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) {
+ goto LBL_T3;
+ }
+ } else {
+ break;
+ }
+ }
+
+ /* reset the sign of a first */
+ a->sign = neg;
- /* 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 = neg;
- 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 afe8467..f411509 100644
--- a/libtommath/bn_mp_or.c
+++ b/libtommath/bn_mp_or.c
@@ -16,33 +16,33 @@
*/
/* OR two ints together */
-int mp_or (const mp_int * a, const 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;
- const mp_int *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..37ad6ec 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(mp_int *a, 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..92af330 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(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..20a7d1f 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(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..917dc01 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(mp_int *a, 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..edcf618 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..7ac01dc 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 +30,48 @@
/* 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)
+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..6e57ed5 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..a2b9bf7 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, mp_int *m, 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_setup.c b/libtommath/bn_mp_reduce_2k_setup.c
index bf810c0..802a5ba 100644
--- a/libtommath/bn_mp_reduce_2k_setup.c
+++ b/libtommath/bn_mp_reduce_2k_setup.c
@@ -20,22 +20,22 @@ int mp_reduce_2k_setup(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..34367ed 100644
--- a/libtommath/bn_mp_reduce_2k_setup_l.c
+++ b/libtommath/bn_mp_reduce_2k_setup_l.c
@@ -20,19 +20,19 @@ int mp_reduce_2k_setup_l(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..c733ca9 100644
--- a/libtommath/bn_mp_reduce_is_2k.c
+++ b/libtommath/bn_mp_reduce_is_2k.c
@@ -20,7 +20,7 @@ int mp_reduce_is_2k(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..d4804d5 100644
--- a/libtommath/bn_mp_reduce_is_2k_l.c
+++ b/libtommath/bn_mp_reduce_is_2k_l.c
@@ -19,7 +19,7 @@
int mp_reduce_is_2k_l(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..00ff61c 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, 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_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 6b57bed..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 (const 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 a61f506..0fd077c 100644
--- a/libtommath/bn_mp_sqr.c
+++ b/libtommath/bn_mp_sqr.c
@@ -17,41 +17,41 @@
/* computes b = a*a */
int
-mp_sqr (const mp_int * a, mp_int * b)
+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..ebb1b53 100644
--- a/libtommath/bn_mp_sqrmod.c
+++ b/libtommath/bn_mp_sqrmod.c
@@ -17,22 +17,22 @@
/* c = a * a (mod b) */
int
-mp_sqrmod (mp_int * a, mp_int * b, mp_int * c)
+mp_sqrmod(mp_int *a, 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 ce8bd0e..49a1bd0 100644
--- a/libtommath/bn_mp_sqrt.c
+++ b/libtommath/bn_mp_sqrt.c
@@ -22,120 +22,122 @@
/* this function is less generic than mp_n_root, simpler and faster */
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..12b427c 100644
--- a/libtommath/bn_mp_sqrtmod_prime.c
+++ b/libtommath/bn_mp_sqrtmod_prime.c
@@ -17,108 +17,108 @@
int mp_sqrtmod_prime(mp_int *n, 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 9ff03d5..b865dbd 100644
--- a/libtommath/bn_mp_sub.c
+++ b/libtommath/bn_mp_sub.c
@@ -17,39 +17,39 @@
/* high level subtraction (handles signs) */
int
-mp_sub (const mp_int * a, const mp_int * b, mp_int * c)
+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 2d24899..e22c35c 100644
--- a/libtommath/bn_mp_sub_d.c
+++ b/libtommath/bn_mp_sub_d.c
@@ -17,74 +17,74 @@
/* single digit subtraction */
int
-mp_sub_d (const mp_int * a, mp_digit b, mp_int * c)
+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) {
- mp_int a_ = *a;
- a_.sign = MP_ZPOS;
- res = mp_add_d(&a_, b, c);
- 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..96a3a1b 100644
--- a/libtommath/bn_mp_submod.c
+++ b/libtommath/bn_mp_submod.c
@@ -17,23 +17,23 @@
/* d = a - b (mod c) */
int
-mp_submod (mp_int * a, mp_int * b, mp_int * c, mp_int * d)
+mp_submod(mp_int *a, mp_int *b, 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 69f6423..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 (const 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 fc0e822..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 (const 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 e8d9c4f..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 (const 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 9e9eef5..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 (const 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 0bf940d..3554ea8 100644
--- a/libtommath/bn_mp_toom_mul.c
+++ b/libtommath/bn_mp_toom_mul.c
@@ -24,259 +24,259 @@
*/
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 842ae47..921d6a5 100644
--- a/libtommath/bn_mp_toom_sqr.c
+++ b/libtommath/bn_mp_toom_sqr.c
@@ -19,206 +19,206 @@
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 59676a7..79960f0 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 (const 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 c0079c8..5d766bd 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(const 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 74655e7..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 (const 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 9f7b086..91bcd02 100644
--- a/libtommath/bn_mp_xor.c
+++ b/libtommath/bn_mp_xor.c
@@ -17,33 +17,33 @@
/* XOR two ints together */
int
-mp_xor (const mp_int * a, const mp_int * b, mp_int * c)
+mp_xor(const mp_int *a, const mp_int *b, mp_int *c)
{
- int res, ix, px;
- mp_int t;
- const mp_int *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..c3e7cf2 100644
--- a/libtommath/bn_reverse.c
+++ b/libtommath/bn_reverse.c
@@ -17,20 +17,20 @@
/* reverse an array, used for radix code */
void
-bn_reverse (unsigned char *s, int len)
+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 432e3b4..415521f 100644
--- a/libtommath/bn_s_mp_add.c
+++ b/libtommath/bn_s_mp_add.c
@@ -17,90 +17,90 @@
/* low level addition, based on HAC pp.594, Algorithm 14.7 */
int
-s_mp_add (const mp_int * a, const mp_int * b, mp_int * c)
+s_mp_add(const mp_int *a, const mp_int *b, mp_int *c)
{
- 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;
- }
- }
-
- /* 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..bd37169 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(mp_int *G, mp_int *X, 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 *,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;
+ }
#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 d32bf15..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 (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)
{
- 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..44d0d21 100644
--- a/libtommath/bn_s_mp_mul_high_digs.c
+++ b/libtommath/bn_s_mp_mul_high_digs.c
@@ -19,60 +19,60 @@
* [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)
+s_mp_mul_high_digs(mp_int *a, 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 de6a3ea..e07bf1c 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 (const 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 7f49d66..8373025 100644
--- a/libtommath/bn_s_mp_sub.c
+++ b/libtommath/bn_s_mp_sub.c
@@ -17,69 +17,69 @@
/* low level subtraction (assumes |a| > |b|), HAC pp.595 Algorithm 14.9 */
int
-s_mp_sub (const mp_int * a, const mp_int * b, mp_int * c)
+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>
+# Microsoft Developer Studio Generated Build File, Format Version 6.00
+# ** DO NOT EDIT **
+
+# TARGTYPE "Win32 (x86) Static Library" 0x0104
+
+CFG=libtommath - Win32 Debug
+!MESSAGE This is not a valid makefile. To build this project using NMAKE,
+!MESSAGE use the Export Makefile command and run
+!MESSAGE
+!MESSAGE NMAKE /f "libtommath.mak".
+!MESSAGE
+!MESSAGE You can specify a configuration when running NMAKE
+!MESSAGE by defining the macro CFG on the command line. For example:
+!MESSAGE
+!MESSAGE NMAKE /f "libtommath.mak" CFG="libtommath - Win32 Debug"
+!MESSAGE
+!MESSAGE Possible choices for configuration are:
+!MESSAGE
+!MESSAGE "libtommath - Win32 Release" (based on "Win32 (x86) Static Library")
+!MESSAGE "libtommath - Win32 Debug" (based on "Win32 (x86) Static Library")
+!MESSAGE
+
+# Begin Project
+# PROP AllowPerConfigDependencies 0
+# PROP Scc_ProjName "libtommath"
+# PROP Scc_LocalPath "."
+CPP=cl.exe
+RSC=rc.exe
+
+!IF "$(CFG)" == "libtommath - Win32 Release"
+
+# PROP BASE Use_MFC 0
+# PROP BASE Use_Debug_Libraries 0
+# PROP BASE Output_Dir "Release"
+# PROP BASE Intermediate_Dir "Release"
+# PROP BASE Target_Dir ""
+# PROP Use_MFC 0
+# PROP Use_Debug_Libraries 0
+# PROP Output_Dir "Release"
+# PROP Intermediate_Dir "Release"
+# PROP Target_Dir ""
+# ADD BASE CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_MBCS" /D "_LIB" /YX /FD /c
+# ADD CPP /nologo /W3 /GX /O2 /I "." /D "WIN32" /D "NDEBUG" /D "_MBCS" /D "_LIB" /YX /FD /c
+# ADD BASE RSC /l 0x409 /d "NDEBUG"
+# ADD RSC /l 0x409 /d "NDEBUG"
+BSC32=bscmake.exe
+# ADD BASE BSC32 /nologo
+# ADD BSC32 /nologo
+LIB32=link.exe -lib
+# ADD BASE LIB32 /nologo
+# ADD LIB32 /nologo /out:"Release\tommath.lib"
+
+!ELSEIF "$(CFG)" == "libtommath - Win32 Debug"
+
+# PROP BASE Use_MFC 0
+# PROP BASE Use_Debug_Libraries 1
+# PROP BASE Output_Dir "Debug"
+# PROP BASE Intermediate_Dir "Debug"
+# PROP BASE Target_Dir ""
+# PROP Use_MFC 0
+# PROP Use_Debug_Libraries 1
+# PROP Output_Dir "Debug"
+# PROP Intermediate_Dir "Debug"
+# PROP Target_Dir ""
+# ADD BASE CPP /nologo /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_MBCS" /D "_LIB" /YX /FD /GZ /c
+# ADD CPP /nologo /W3 /Gm /GX /ZI /Od /I "." /D "WIN32" /D "_DEBUG" /D "_MBCS" /D "_LIB" /YX /FD /GZ /c
+# ADD BASE RSC /l 0x409 /d "_DEBUG"
+# ADD RSC /l 0x409 /d "_DEBUG"
+BSC32=bscmake.exe
+# ADD BASE BSC32 /nologo
+# ADD BSC32 /nologo
+LIB32=link.exe -lib
+# ADD BASE LIB32 /nologo
+# ADD LIB32 /nologo /out:"Debug\tommath.lib"
+
+!ENDIF
+
+# Begin Target
+
+# Name "libtommath - Win32 Release"
+# Name "libtommath - Win32 Debug"
+# Begin Source File
+
+SOURCE=.\bn_error.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\bn_fast_mp_invmod.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\bn_fast_mp_montgomery_reduce.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\bn_fast_s_mp_mul_digs.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\bn_fast_s_mp_mul_high_digs.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\bn_fast_s_mp_sqr.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\bn_mp_2expt.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\bn_mp_abs.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\bn_mp_add.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\bn_mp_add_d.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\bn_mp_addmod.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\bn_mp_and.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\bn_mp_clamp.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\bn_mp_clear.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\bn_mp_clear_multi.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\bn_mp_cmp.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\bn_mp_cmp_d.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\bn_mp_cmp_mag.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\bn_mp_cnt_lsb.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\bn_mp_copy.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\bn_mp_count_bits.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\bn_mp_div.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\bn_mp_div_2.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\bn_mp_div_2d.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\bn_mp_div_3.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\bn_mp_div_d.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\bn_mp_dr_is_modulus.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\bn_mp_dr_reduce.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\bn_mp_dr_setup.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\bn_mp_exch.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\bn_mp_expt_d.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\bn_mp_exptmod.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\bn_mp_exptmod_fast.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\bn_mp_exteuclid.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\bn_mp_fread.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\bn_mp_fwrite.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\bn_mp_gcd.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\bn_mp_get_int.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\bn_mp_grow.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\bn_mp_init.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\bn_mp_init_copy.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\bn_mp_init_multi.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\bn_mp_init_set.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\bn_mp_init_set_int.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\bn_mp_init_size.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\bn_mp_invmod.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\bn_mp_invmod_slow.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\bn_mp_is_square.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\bn_mp_jacobi.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\bn_mp_karatsuba_mul.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\bn_mp_karatsuba_sqr.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\bn_mp_lcm.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\bn_mp_lshd.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\bn_mp_mod.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\bn_mp_mod_2d.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\bn_mp_mod_d.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\bn_mp_montgomery_calc_normalization.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\bn_mp_montgomery_reduce.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\bn_mp_montgomery_setup.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\bn_mp_mul.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\bn_mp_mul_2.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\bn_mp_mul_2d.c
+# End Source File
+# Begin Source File
+
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+# End Source File
+# Begin Source File
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+# End Source File
+# Begin Source File
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+# End Source File
+# Begin Source File
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+# End Source File
+# Begin Source File
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+# End Source File
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+# End Source File
+# Begin Source File
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+# End Source File
+# Begin Source File
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+# End Source File
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+# End Source File
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+# End Source File
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+# End Source File
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+# End Source File
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+# End Source File
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+# End Source File
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+# End Source File
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+# End Source File
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+# End Source File
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+# End Source File
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+SOURCE=.\bn_mp_to_unsigned_bin.c
+# End Source File
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+# End Source File
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+SOURCE=.\bn_mp_toom_mul.c
+# End Source File
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+# End Source File
+# Begin Source File
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+# End Source File
+# Begin Source File
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+SOURCE=.\bn_mp_toradix_n.c
+# End Source File
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+SOURCE=.\bn_mp_unsigned_bin_size.c
+# End Source File
+# Begin Source File
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+# End Source File
+# Begin Source File
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+# End Source File
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+SOURCE=.\bn_prime_tab.c
+# End Source File
+# Begin Source File
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+SOURCE=.\bn_reverse.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\bn_s_mp_add.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\bn_s_mp_exptmod.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\bn_s_mp_mul_digs.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\bn_s_mp_mul_high_digs.c
+# End Source File
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+
+SOURCE=.\bn_s_mp_sqr.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\bn_s_mp_sub.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\bncore.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\tommath.h
+# End Source File
+# Begin Source File
+
+SOURCE=.\tommath_class.h
+# End Source File
+# Begin Source File
+
+SOURCE=.\tommath_superclass.h
+# End Source File
+# End Target
+# End Project
diff --git a/libtommath/libtommath.pc.in b/libtommath/libtommath.pc.in
new file mode 100644
index 0000000..099b1cd
--- /dev/null
+++ b/libtommath/libtommath.pc.in
@@ -0,0 +1,10 @@
+prefix=@to-be-replaced@
+exec_prefix=${prefix}
+libdir=${exec_prefix}/lib
+includedir=${prefix}/include
+
+Name: LibTomMath
+Description: public domain library for manipulating large integer numbers
+Version: @to-be-replaced@
+Libs: -L${libdir} -ltommath
+Cflags: -I${includedir}
diff --git a/libtommath/libtommath_VS2005.sln b/libtommath/libtommath_VS2005.sln
new file mode 100644
index 0000000..21bc915
--- /dev/null
+++ b/libtommath/libtommath_VS2005.sln
@@ -0,0 +1,20 @@
+
+Microsoft Visual Studio Solution File, Format Version 9.00
+# Visual Studio 2005
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "libtommath", "libtommath_VS2005.vcproj", "{0272C9B2-D68B-4F24-B32D-C1FD552F7E51}"
+EndProject
+Global
+ GlobalSection(SolutionConfigurationPlatforms) = preSolution
+ Debug|Win32 = Debug|Win32
+ Release|Win32 = Release|Win32
+ EndGlobalSection
+ GlobalSection(ProjectConfigurationPlatforms) = postSolution
+ {0272C9B2-D68B-4F24-B32D-C1FD552F7E51}.Debug|Win32.ActiveCfg = Debug|Win32
+ {0272C9B2-D68B-4F24-B32D-C1FD552F7E51}.Debug|Win32.Build.0 = Debug|Win32
+ {0272C9B2-D68B-4F24-B32D-C1FD552F7E51}.Release|Win32.ActiveCfg = Release|Win32
+ {0272C9B2-D68B-4F24-B32D-C1FD552F7E51}.Release|Win32.Build.0 = Release|Win32
+ EndGlobalSection
+ GlobalSection(SolutionProperties) = preSolution
+ HideSolutionNode = FALSE
+ EndGlobalSection
+EndGlobal
diff --git a/libtommath/libtommath_VS2005.vcproj b/libtommath/libtommath_VS2005.vcproj
new file mode 100644
index 0000000..b977b4a
--- /dev/null
+++ b/libtommath/libtommath_VS2005.vcproj
@@ -0,0 +1,2847 @@
+<?xml version="1.0" encoding="Windows-1252"?>
+<VisualStudioProject
+ ProjectType="Visual C++"
+ Version="8,00"
+ Name="libtommath"
+ ProjectGUID="{0272C9B2-D68B-4F24-B32D-C1FD552F7E51}"
+ >
+ <Platforms>
+ <Platform
+ Name="Win32"
+ />
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+ </ToolFiles>
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+ Name="Debug|Win32"
+ OutputDirectory=".\Debug"
+ IntermediateDirectory=".\Debug"
+ ConfigurationType="4"
+ InheritedPropertySheets="$(VCInstallDir)VCProjectDefaults\UpgradeFromVC60.vsprops"
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+ ATLMinimizesCRunTimeLibraryUsage="false"
+ CharacterSet="2"
+ >
+ <Tool
+ Name="VCPreBuildEventTool"
+ />
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+ Name="VCCustomBuildTool"
+ />
+ <Tool
+ Name="VCXMLDataGeneratorTool"
+ />
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+ Name="VCWebServiceProxyGeneratorTool"
+ />
+ <Tool
+ Name="VCMIDLTool"
+ />
+ <Tool
+ Name="VCCLCompilerTool"
+ Optimization="0"
+ AdditionalIncludeDirectories="."
+ PreprocessorDefinitions="WIN32;_DEBUG;_LIB"
+ MinimalRebuild="true"
+ BasicRuntimeChecks="3"
+ RuntimeLibrary="1"
+ PrecompiledHeaderFile=".\Debug/libtommath.pch"
+ AssemblerListingLocation=".\Debug/"
+ ObjectFile=".\Debug/"
+ ProgramDataBaseFileName=".\Debug/"
+ WarningLevel="3"
+ SuppressStartupBanner="true"
+ DebugInformationFormat="4"
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+ <Tool
+ Name="VCManagedResourceCompilerTool"
+ />
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+ Name="VCResourceCompilerTool"
+ PreprocessorDefinitions="_DEBUG"
+ Culture="1033"
+ />
+ <Tool
+ Name="VCPreLinkEventTool"
+ />
+ <Tool
+ Name="VCLibrarianTool"
+ OutputFile="Debug\tommath.lib"
+ SuppressStartupBanner="true"
+ />
+ <Tool
+ Name="VCALinkTool"
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+ <Tool
+ Name="VCXDCMakeTool"
+ />
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+ Name="VCBscMakeTool"
+ SuppressStartupBanner="true"
+ OutputFile=".\Debug/libtommath.bsc"
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+ Name="VCFxCopTool"
+ />
+ <Tool
+ Name="VCPostBuildEventTool"
+ />
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+ Name="Release|Win32"
+ OutputDirectory=".\Release"
+ IntermediateDirectory=".\Release"
+ ConfigurationType="4"
+ InheritedPropertySheets="$(VCInstallDir)VCProjectDefaults\UpgradeFromVC60.vsprops"
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+ ATLMinimizesCRunTimeLibraryUsage="false"
+ CharacterSet="2"
+ >
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+ Name="VCPreBuildEventTool"
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+ Name="VCCustomBuildTool"
+ />
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+ Name="VCXMLDataGeneratorTool"
+ />
+ <Tool
+ Name="VCWebServiceProxyGeneratorTool"
+ />
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+ Name="VCMIDLTool"
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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
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "libtommath", "libtommath_VS2008.vcproj", "{42109FEE-B0B9-4FCD-9E56-2863BF8C55D2}"
+EndProject
+Global
+ GlobalSection(SolutionConfigurationPlatforms) = preSolution
+ 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
diff --git a/libtommath/libtommath_VS2008.vcproj b/libtommath/libtommath_VS2008.vcproj
new file mode 100644
index 0000000..34bf2ae
--- /dev/null
+++ b/libtommath/libtommath_VS2008.vcproj
@@ -0,0 +1,2813 @@
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+<VisualStudioProject
+ ProjectType="Visual C++"
+ Version="9.00"
+ Name="libtommath"
+ ProjectGUID="{42109FEE-B0B9-4FCD-9E56-2863BF8C55D2}"
+ RootNamespace="libtommath"
+ TargetFrameworkVersion="0"
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+ <Platforms>
+ <Platform
+ Name="Win32"
+ />
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+ <ToolFiles>
+ </ToolFiles>
+ <Configurations>
+ <Configuration
+ Name="Debug|Win32"
+ OutputDirectory=".\Debug"
+ IntermediateDirectory=".\Debug"
+ ConfigurationType="4"
+ InheritedPropertySheets="$(VCInstallDir)VCProjectDefaults\UpgradeFromVC60.vsprops"
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+ CharacterSet="2"
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+ Name="VCXMLDataGeneratorTool"
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+ Name="VCWebServiceProxyGeneratorTool"
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+ Name="VCMIDLTool"
+ />
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+ Name="VCCLCompilerTool"
+ Optimization="0"
+ AdditionalIncludeDirectories="."
+ PreprocessorDefinitions="WIN32;_DEBUG;_LIB"
+ MinimalRebuild="true"
+ BasicRuntimeChecks="3"
+ RuntimeLibrary="1"
+ PrecompiledHeaderFile=".\Debug/libtommath.pch"
+ AssemblerListingLocation=".\Debug/"
+ ObjectFile=".\Debug/"
+ ProgramDataBaseFileName=".\Debug/"
+ WarningLevel="3"
+ SuppressStartupBanner="true"
+ DebugInformationFormat="4"
+ />
+ <Tool
+ Name="VCManagedResourceCompilerTool"
+ />
+ <Tool
+ Name="VCResourceCompilerTool"
+ PreprocessorDefinitions="_DEBUG"
+ Culture="1033"
+ />
+ <Tool
+ Name="VCPreLinkEventTool"
+ />
+ <Tool
+ Name="VCLibrarianTool"
+ OutputFile="Debug\tommath.lib"
+ SuppressStartupBanner="true"
+ />
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+ Name="VCALinkTool"
+ />
+ <Tool
+ Name="VCXDCMakeTool"
+ />
+ <Tool
+ Name="VCBscMakeTool"
+ SuppressStartupBanner="true"
+ OutputFile=".\Debug/libtommath.bsc"
+ />
+ <Tool
+ Name="VCFxCopTool"
+ />
+ <Tool
+ Name="VCPostBuildEventTool"
+ />
+ </Configuration>
+ <Configuration
+ Name="Release|Win32"
+ OutputDirectory=".\Release"
+ IntermediateDirectory=".\Release"
+ ConfigurationType="4"
+ InheritedPropertySheets="$(VCInstallDir)VCProjectDefaults\UpgradeFromVC60.vsprops"
+ UseOfMFC="0"
+ ATLMinimizesCRunTimeLibraryUsage="false"
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+ Name="Debug|Win32"
+ >
+ <Tool
+ Name="VCCLCompilerTool"
+ AdditionalIncludeDirectories=""
+ PreprocessorDefinitions=""
+ />
+ </FileConfiguration>
+ <FileConfiguration
+ Name="Release|Win32"
+ >
+ <Tool
+ Name="VCCLCompilerTool"
+ AdditionalIncludeDirectories=""
+ PreprocessorDefinitions=""
+ />
+ </FileConfiguration>
+ </File>
+ <File
+ RelativePath="bn_mp_to_unsigned_bin_n.c"
+ >
+ <FileConfiguration
+ Name="Debug|Win32"
+ >
+ <Tool
+ Name="VCCLCompilerTool"
+ AdditionalIncludeDirectories=""
+ PreprocessorDefinitions=""
+ />
+ </FileConfiguration>
+ <FileConfiguration
+ Name="Release|Win32"
+ >
+ <Tool
+ Name="VCCLCompilerTool"
+ AdditionalIncludeDirectories=""
+ PreprocessorDefinitions=""
+ />
+ </FileConfiguration>
+ </File>
+ <File
+ RelativePath="bn_mp_toom_mul.c"
+ >
+ <FileConfiguration
+ Name="Debug|Win32"
+ >
+ <Tool
+ Name="VCCLCompilerTool"
+ AdditionalIncludeDirectories=""
+ PreprocessorDefinitions=""
+ />
+ </FileConfiguration>
+ <FileConfiguration
+ Name="Release|Win32"
+ >
+ <Tool
+ Name="VCCLCompilerTool"
+ AdditionalIncludeDirectories=""
+ PreprocessorDefinitions=""
+ />
+ </FileConfiguration>
+ </File>
+ <File
+ RelativePath="bn_mp_toom_sqr.c"
+ >
+ <FileConfiguration
+ Name="Debug|Win32"
+ >
+ <Tool
+ Name="VCCLCompilerTool"
+ AdditionalIncludeDirectories=""
+ PreprocessorDefinitions=""
+ />
+ </FileConfiguration>
+ <FileConfiguration
+ Name="Release|Win32"
+ >
+ <Tool
+ Name="VCCLCompilerTool"
+ AdditionalIncludeDirectories=""
+ PreprocessorDefinitions=""
+ />
+ </FileConfiguration>
+ </File>
+ <File
+ RelativePath="bn_mp_toradix.c"
+ >
+ <FileConfiguration
+ Name="Debug|Win32"
+ >
+ <Tool
+ Name="VCCLCompilerTool"
+ AdditionalIncludeDirectories=""
+ PreprocessorDefinitions=""
+ />
+ </FileConfiguration>
+ <FileConfiguration
+ Name="Release|Win32"
+ >
+ <Tool
+ Name="VCCLCompilerTool"
+ AdditionalIncludeDirectories=""
+ PreprocessorDefinitions=""
+ />
+ </FileConfiguration>
+ </File>
+ <File
+ RelativePath="bn_mp_toradix_n.c"
+ >
+ <FileConfiguration
+ Name="Debug|Win32"
+ >
+ <Tool
+ Name="VCCLCompilerTool"
+ AdditionalIncludeDirectories=""
+ PreprocessorDefinitions=""
+ />
+ </FileConfiguration>
+ <FileConfiguration
+ Name="Release|Win32"
+ >
+ <Tool
+ Name="VCCLCompilerTool"
+ AdditionalIncludeDirectories=""
+ PreprocessorDefinitions=""
+ />
+ </FileConfiguration>
+ </File>
+ <File
+ RelativePath="bn_mp_unsigned_bin_size.c"
+ >
+ <FileConfiguration
+ Name="Debug|Win32"
+ >
+ <Tool
+ Name="VCCLCompilerTool"
+ AdditionalIncludeDirectories=""
+ PreprocessorDefinitions=""
+ />
+ </FileConfiguration>
+ <FileConfiguration
+ Name="Release|Win32"
+ >
+ <Tool
+ Name="VCCLCompilerTool"
+ AdditionalIncludeDirectories=""
+ PreprocessorDefinitions=""
+ />
+ </FileConfiguration>
+ </File>
+ <File
+ RelativePath="bn_mp_xor.c"
+ >
+ <FileConfiguration
+ Name="Debug|Win32"
+ >
+ <Tool
+ Name="VCCLCompilerTool"
+ AdditionalIncludeDirectories=""
+ PreprocessorDefinitions=""
+ />
+ </FileConfiguration>
+ <FileConfiguration
+ Name="Release|Win32"
+ >
+ <Tool
+ Name="VCCLCompilerTool"
+ AdditionalIncludeDirectories=""
+ PreprocessorDefinitions=""
+ />
+ </FileConfiguration>
+ </File>
+ <File
+ RelativePath="bn_mp_zero.c"
+ >
+ <FileConfiguration
+ Name="Debug|Win32"
+ >
+ <Tool
+ Name="VCCLCompilerTool"
+ AdditionalIncludeDirectories=""
+ PreprocessorDefinitions=""
+ />
+ </FileConfiguration>
+ <FileConfiguration
+ Name="Release|Win32"
+ >
+ <Tool
+ Name="VCCLCompilerTool"
+ AdditionalIncludeDirectories=""
+ PreprocessorDefinitions=""
+ />
+ </FileConfiguration>
+ </File>
+ <File
+ RelativePath="bn_prime_tab.c"
+ >
+ <FileConfiguration
+ Name="Debug|Win32"
+ >
+ <Tool
+ Name="VCCLCompilerTool"
+ AdditionalIncludeDirectories=""
+ PreprocessorDefinitions=""
+ />
+ </FileConfiguration>
+ <FileConfiguration
+ Name="Release|Win32"
+ >
+ <Tool
+ Name="VCCLCompilerTool"
+ AdditionalIncludeDirectories=""
+ PreprocessorDefinitions=""
+ />
+ </FileConfiguration>
+ </File>
+ <File
+ RelativePath="bn_reverse.c"
+ >
+ <FileConfiguration
+ Name="Debug|Win32"
+ >
+ <Tool
+ Name="VCCLCompilerTool"
+ AdditionalIncludeDirectories=""
+ PreprocessorDefinitions=""
+ />
+ </FileConfiguration>
+ <FileConfiguration
+ Name="Release|Win32"
+ >
+ <Tool
+ Name="VCCLCompilerTool"
+ AdditionalIncludeDirectories=""
+ PreprocessorDefinitions=""
+ />
+ </FileConfiguration>
+ </File>
+ <File
+ RelativePath="bn_s_mp_add.c"
+ >
+ <FileConfiguration
+ Name="Debug|Win32"
+ >
+ <Tool
+ Name="VCCLCompilerTool"
+ AdditionalIncludeDirectories=""
+ PreprocessorDefinitions=""
+ />
+ </FileConfiguration>
+ <FileConfiguration
+ Name="Release|Win32"
+ >
+ <Tool
+ Name="VCCLCompilerTool"
+ AdditionalIncludeDirectories=""
+ PreprocessorDefinitions=""
+ />
+ </FileConfiguration>
+ </File>
+ <File
+ RelativePath="bn_s_mp_exptmod.c"
+ >
+ <FileConfiguration
+ Name="Debug|Win32"
+ >
+ <Tool
+ Name="VCCLCompilerTool"
+ AdditionalIncludeDirectories=""
+ PreprocessorDefinitions=""
+ />
+ </FileConfiguration>
+ <FileConfiguration
+ Name="Release|Win32"
+ >
+ <Tool
+ Name="VCCLCompilerTool"
+ AdditionalIncludeDirectories=""
+ PreprocessorDefinitions=""
+ />
+ </FileConfiguration>
+ </File>
+ <File
+ RelativePath="bn_s_mp_mul_digs.c"
+ >
+ <FileConfiguration
+ Name="Debug|Win32"
+ >
+ <Tool
+ Name="VCCLCompilerTool"
+ AdditionalIncludeDirectories=""
+ PreprocessorDefinitions=""
+ />
+ </FileConfiguration>
+ <FileConfiguration
+ Name="Release|Win32"
+ >
+ <Tool
+ Name="VCCLCompilerTool"
+ AdditionalIncludeDirectories=""
+ PreprocessorDefinitions=""
+ />
+ </FileConfiguration>
+ </File>
+ <File
+ RelativePath="bn_s_mp_mul_high_digs.c"
+ >
+ <FileConfiguration
+ Name="Debug|Win32"
+ >
+ <Tool
+ Name="VCCLCompilerTool"
+ AdditionalIncludeDirectories=""
+ PreprocessorDefinitions=""
+ />
+ </FileConfiguration>
+ <FileConfiguration
+ Name="Release|Win32"
+ >
+ <Tool
+ Name="VCCLCompilerTool"
+ AdditionalIncludeDirectories=""
+ PreprocessorDefinitions=""
+ />
+ </FileConfiguration>
+ </File>
+ <File
+ RelativePath="bn_s_mp_sqr.c"
+ >
+ <FileConfiguration
+ Name="Debug|Win32"
+ >
+ <Tool
+ Name="VCCLCompilerTool"
+ AdditionalIncludeDirectories=""
+ PreprocessorDefinitions=""
+ />
+ </FileConfiguration>
+ <FileConfiguration
+ Name="Release|Win32"
+ >
+ <Tool
+ Name="VCCLCompilerTool"
+ AdditionalIncludeDirectories=""
+ PreprocessorDefinitions=""
+ />
+ </FileConfiguration>
+ </File>
+ <File
+ RelativePath="bn_s_mp_sub.c"
+ >
+ <FileConfiguration
+ Name="Debug|Win32"
+ >
+ <Tool
+ Name="VCCLCompilerTool"
+ AdditionalIncludeDirectories=""
+ PreprocessorDefinitions=""
+ />
+ </FileConfiguration>
+ <FileConfiguration
+ Name="Release|Win32"
+ >
+ <Tool
+ Name="VCCLCompilerTool"
+ AdditionalIncludeDirectories=""
+ PreprocessorDefinitions=""
+ />
+ </FileConfiguration>
+ </File>
+ <File
+ RelativePath="bncore.c"
+ >
+ <FileConfiguration
+ Name="Debug|Win32"
+ >
+ <Tool
+ Name="VCCLCompilerTool"
+ AdditionalIncludeDirectories=""
+ PreprocessorDefinitions=""
+ />
+ </FileConfiguration>
+ <FileConfiguration
+ Name="Release|Win32"
+ >
+ <Tool
+ Name="VCCLCompilerTool"
+ AdditionalIncludeDirectories=""
+ PreprocessorDefinitions=""
+ />
+ </FileConfiguration>
+ </File>
+ <File
+ RelativePath="tommath.h"
+ >
+ </File>
+ <File
+ RelativePath="tommath_class.h"
+ >
+ </File>
+ <File
+ RelativePath="tommath_superclass.h"
+ >
+ </File>
+ </Files>
+ <Globals>
+ </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 527f316..9d811fa 100644
--- a/libtommath/tommath.h
+++ b/libtommath/tommath.h
@@ -33,9 +33,9 @@ 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))
+# define MP_64BIT
+# endif
#endif
/* some default configurations.
@@ -47,68 +47,68 @@ 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 +140,20 @@ 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 +161,17 @@ 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);
@@ -223,19 +223,19 @@ int mp_set_long(mp_int *a, unsigned long b);
int mp_set_long_long(mp_int *a, Tcl_WideUInt 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 */
-Tcl_WideUInt mp_get_long_long(const 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 +247,10 @@ 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, mp_int *op);
/* ---> digit manipulation <--- */
@@ -334,7 +334,7 @@ int mp_mod(const mp_int *a, const mp_int *b, mp_int *c);
int mp_cmp_d(const mp_int *a, mp_digit b);
/* c = a + b */
-int mp_add_d(const mp_int *a, const 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(const mp_int *a, mp_digit b, mp_int *c);
@@ -349,8 +349,8 @@ int mp_div_d(const mp_int *a, mp_digit b, 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(const mp_int *a, const mp_digit b, mp_int *c);
-int mp_expt_d_ex (const mp_int * a, const 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(const mp_int *a, mp_digit b, mp_digit *c);
@@ -386,7 +386,7 @@ 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_ex (mp_int * a, mp_digit b, mp_int * c, int fast);
+int mp_n_root_ex(mp_int *a, mp_digit b, mp_int *c, int fast);
/* special sqrt algo */
int mp_sqrt(const mp_int *arg, mp_int *ret);
@@ -455,9 +455,9 @@ int mp_exptmod(mp_int *a, mp_int *b, mp_int *c, mp_int *d);
/* 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 */
@@ -529,16 +529,16 @@ int mp_count_bits(const 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(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_to_unsigned_bin_n(const mp_int *a, unsigned char *b, unsigned long *outlen);
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(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_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(const mp_int *a, char *str, int radix);
-int mp_toradix_n(const 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);
#ifndef LTM_NO_FILE
@@ -559,7 +559,7 @@ int mp_fwrite(const 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 07607a8..7f33fab 100644
--- a/libtommath/tommath_private.h
+++ b/libtommath/tommath_private.h
@@ -19,40 +19,40 @@
#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
+/* 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);
+/* 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
#endif
@@ -71,10 +71,10 @@ 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(mp_int *a, mp_int *b, mp_int *c);
-int mp_invmod_slow (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 s_mp_exptmod(mp_int *G, mp_int *X, mp_int *P, mp_int *Y, int redmode);
void bn_reverse(unsigned char *s, int len);
extern const char *mp_s_rmap;
@@ -114,7 +114,7 @@ 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