Xuyi Wang / wolfSSL

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wolfssl/wolfcrypt/integer.h@15:117db924cf7c, 2018-08-18 (annotated)

Committer:
wolfSSL
Date:
Sat Aug 18 22:20:43 2018 +0000
Revision:
15:117db924cf7c
wolfSSL 3.15.3

Who changed what in which revision?

UserRevisionLine numberNew contents of line
wolfSSL 15:117db924cf7c 1 /* integer.h
wolfSSL 15:117db924cf7c 2 *
wolfSSL 15:117db924cf7c 3 * Copyright (C) 2006-2017 wolfSSL Inc.
wolfSSL 15:117db924cf7c 4 *
wolfSSL 15:117db924cf7c 5 * This file is part of wolfSSL.
wolfSSL 15:117db924cf7c 6 *
wolfSSL 15:117db924cf7c 7 * wolfSSL is free software; you can redistribute it and/or modify
wolfSSL 15:117db924cf7c 8 * it under the terms of the GNU General Public License as published by
wolfSSL 15:117db924cf7c 9 * the Free Software Foundation; either version 2 of the License, or
wolfSSL 15:117db924cf7c 10 * (at your option) any later version.
wolfSSL 15:117db924cf7c 11 *
wolfSSL 15:117db924cf7c 12 * wolfSSL is distributed in the hope that it will be useful,
wolfSSL 15:117db924cf7c 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
wolfSSL 15:117db924cf7c 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
wolfSSL 15:117db924cf7c 15 * GNU General Public License for more details.
wolfSSL 15:117db924cf7c 16 *
wolfSSL 15:117db924cf7c 17 * You should have received a copy of the GNU General Public License
wolfSSL 15:117db924cf7c 18 * along with this program; if not, write to the Free Software
wolfSSL 15:117db924cf7c 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
wolfSSL 15:117db924cf7c 20 */
wolfSSL 15:117db924cf7c 21
wolfSSL 15:117db924cf7c 22
wolfSSL 15:117db924cf7c 23 /*
wolfSSL 15:117db924cf7c 24 * Based on public domain LibTomMath 0.38 by Tom St Denis, tomstdenis@iahu.ca,
wolfSSL 15:117db924cf7c 25 * http://math.libtomcrypt.com
wolfSSL 15:117db924cf7c 26 */
wolfSSL 15:117db924cf7c 27
wolfSSL 15:117db924cf7c 28
wolfSSL 15:117db924cf7c 29 #ifndef WOLF_CRYPT_INTEGER_H
wolfSSL 15:117db924cf7c 30 #define WOLF_CRYPT_INTEGER_H
wolfSSL 15:117db924cf7c 31
wolfSSL 15:117db924cf7c 32 /* may optionally use fast math instead, not yet supported on all platforms and
wolfSSL 15:117db924cf7c 33 may not be faster on all
wolfSSL 15:117db924cf7c 34 */
wolfSSL 15:117db924cf7c 35 #include <wolfssl/wolfcrypt/types.h> /* will set MP_xxBIT if not default */
wolfSSL 15:117db924cf7c 36 #ifdef WOLFSSL_SP_MATH
wolfSSL 15:117db924cf7c 37 #include <wolfssl/wolfcrypt/sp_int.h>
wolfSSL 15:117db924cf7c 38 #elif defined(USE_FAST_MATH)
wolfSSL 15:117db924cf7c 39 #include <wolfssl/wolfcrypt/tfm.h>
wolfSSL 15:117db924cf7c 40 #else
wolfSSL 15:117db924cf7c 41
wolfSSL 15:117db924cf7c 42 #include <wolfssl/wolfcrypt/random.h>
wolfSSL 15:117db924cf7c 43
wolfSSL 15:117db924cf7c 44 #ifndef CHAR_BIT
wolfSSL 15:117db924cf7c 45 #include <limits.h>
wolfSSL 15:117db924cf7c 46 #endif
wolfSSL 15:117db924cf7c 47
wolfSSL 15:117db924cf7c 48 #include <wolfssl/wolfcrypt/mpi_class.h>
wolfSSL 15:117db924cf7c 49
wolfSSL 15:117db924cf7c 50 /* wolf big int and common functions */
wolfSSL 15:117db924cf7c 51 #include <wolfssl/wolfcrypt/wolfmath.h>
wolfSSL 15:117db924cf7c 52
wolfSSL 15:117db924cf7c 53
wolfSSL 15:117db924cf7c 54 #ifdef WOLFSSL_PUBLIC_MP
wolfSSL 15:117db924cf7c 55 #define MP_API WOLFSSL_API
wolfSSL 15:117db924cf7c 56 #else
wolfSSL 15:117db924cf7c 57 #define MP_API
wolfSSL 15:117db924cf7c 58 #endif
wolfSSL 15:117db924cf7c 59
wolfSSL 15:117db924cf7c 60 #ifndef MIN
wolfSSL 15:117db924cf7c 61 #define MIN(x,y) ((x)<(y)?(x):(y))
wolfSSL 15:117db924cf7c 62 #endif
wolfSSL 15:117db924cf7c 63
wolfSSL 15:117db924cf7c 64 #ifndef MAX
wolfSSL 15:117db924cf7c 65 #define MAX(x,y) ((x)>(y)?(x):(y))
wolfSSL 15:117db924cf7c 66 #endif
wolfSSL 15:117db924cf7c 67
wolfSSL 15:117db924cf7c 68 #ifdef __cplusplus
wolfSSL 15:117db924cf7c 69 extern "C" {
wolfSSL 15:117db924cf7c 70
wolfSSL 15:117db924cf7c 71 /* C++ compilers don't like assigning void * to mp_digit * */
wolfSSL 15:117db924cf7c 72 #define OPT_CAST(x) (x *)
wolfSSL 15:117db924cf7c 73
wolfSSL 15:117db924cf7c 74 #elif defined(_SH3)
wolfSSL 15:117db924cf7c 75
wolfSSL 15:117db924cf7c 76 /* SuperH SH3 compiler doesn't like assigning voi* to mp_digit* */
wolfSSL 15:117db924cf7c 77 #define OPT_CAST(x) (x *)
wolfSSL 15:117db924cf7c 78
wolfSSL 15:117db924cf7c 79 #else
wolfSSL 15:117db924cf7c 80
wolfSSL 15:117db924cf7c 81 /* C on the other hand doesn't care */
wolfSSL 15:117db924cf7c 82 #define OPT_CAST(x)
wolfSSL 15:117db924cf7c 83
wolfSSL 15:117db924cf7c 84 #endif /* __cplusplus */
wolfSSL 15:117db924cf7c 85
wolfSSL 15:117db924cf7c 86
wolfSSL 15:117db924cf7c 87 /* detect 64-bit mode if possible */
wolfSSL 15:117db924cf7c 88 #if defined(__x86_64__)
wolfSSL 15:117db924cf7c 89 #if !(defined(MP_64BIT) && defined(MP_16BIT) && defined(MP_8BIT))
wolfSSL 15:117db924cf7c 90 #define MP_64BIT
wolfSSL 15:117db924cf7c 91 #endif
wolfSSL 15:117db924cf7c 92 #endif
wolfSSL 15:117db924cf7c 93 /* if intel compiler doesn't provide 128 bit type don't turn on 64bit */
wolfSSL 15:117db924cf7c 94 #if defined(MP_64BIT) && defined(__INTEL_COMPILER) && !defined(HAVE___UINT128_T)
wolfSSL 15:117db924cf7c 95 #undef MP_64BIT
wolfSSL 15:117db924cf7c 96 #endif
wolfSSL 15:117db924cf7c 97
wolfSSL 15:117db924cf7c 98
wolfSSL 15:117db924cf7c 99 /* allow user to define on mp_digit, mp_word, DIGIT_BIT types */
wolfSSL 15:117db924cf7c 100 #ifndef WOLFSSL_BIGINT_TYPES
wolfSSL 15:117db924cf7c 101
wolfSSL 15:117db924cf7c 102 /* some default configurations.
wolfSSL 15:117db924cf7c 103 *
wolfSSL 15:117db924cf7c 104 * A "mp_digit" must be able to hold DIGIT_BIT + 1 bits
wolfSSL 15:117db924cf7c 105 * A "mp_word" must be able to hold 2*DIGIT_BIT + 1 bits
wolfSSL 15:117db924cf7c 106 *
wolfSSL 15:117db924cf7c 107 * At the very least a mp_digit must be able to hold 7 bits
wolfSSL 15:117db924cf7c 108 * [any size beyond that is ok provided it doesn't overflow the data type]
wolfSSL 15:117db924cf7c 109 */
wolfSSL 15:117db924cf7c 110 #ifdef MP_8BIT
wolfSSL 15:117db924cf7c 111 typedef unsigned char mp_digit;
wolfSSL 15:117db924cf7c 112 typedef unsigned short mp_word;
wolfSSL 15:117db924cf7c 113 #elif defined(MP_16BIT) || defined(NO_64BIT)
wolfSSL 15:117db924cf7c 114 typedef unsigned short mp_digit;
wolfSSL 15:117db924cf7c 115 typedef unsigned int mp_word;
wolfSSL 15:117db924cf7c 116 #define DIGIT_BIT 12
wolfSSL 15:117db924cf7c 117 #elif defined(MP_64BIT)
wolfSSL 15:117db924cf7c 118 /* for GCC only on supported platforms */
wolfSSL 15:117db924cf7c 119 typedef unsigned long long mp_digit; /* 64 bit type, 128 uses mode(TI) */
wolfSSL 15:117db924cf7c 120 typedef unsigned long mp_word __attribute__ ((mode(TI)));
wolfSSL 15:117db924cf7c 121
wolfSSL 15:117db924cf7c 122 #define DIGIT_BIT 60
wolfSSL 15:117db924cf7c 123 #else
wolfSSL 15:117db924cf7c 124 /* this is the default case, 28-bit digits */
wolfSSL 15:117db924cf7c 125
wolfSSL 15:117db924cf7c 126 #if defined(_MSC_VER) || defined(__BORLANDC__)
wolfSSL 15:117db924cf7c 127 typedef unsigned __int64 ulong64;
wolfSSL 15:117db924cf7c 128 #else
wolfSSL 15:117db924cf7c 129 typedef unsigned long long ulong64;
wolfSSL 15:117db924cf7c 130 #endif
wolfSSL 15:117db924cf7c 131
wolfSSL 15:117db924cf7c 132 typedef unsigned int mp_digit; /* long could be 64 now, changed TAO */
wolfSSL 15:117db924cf7c 133 typedef ulong64 mp_word;
wolfSSL 15:117db924cf7c 134
wolfSSL 15:117db924cf7c 135 #ifdef MP_31BIT
wolfSSL 15:117db924cf7c 136 /* this is an extension that uses 31-bit digits */
wolfSSL 15:117db924cf7c 137 #define DIGIT_BIT 31
wolfSSL 15:117db924cf7c 138 #else
wolfSSL 15:117db924cf7c 139 /* default case is 28-bit digits, defines MP_28BIT as a handy test macro */
wolfSSL 15:117db924cf7c 140 #define DIGIT_BIT 28
wolfSSL 15:117db924cf7c 141 #define MP_28BIT
wolfSSL 15:117db924cf7c 142 #endif
wolfSSL 15:117db924cf7c 143 #endif
wolfSSL 15:117db924cf7c 144
wolfSSL 15:117db924cf7c 145 #endif /* WOLFSSL_BIGINT_TYPES */
wolfSSL 15:117db924cf7c 146
wolfSSL 15:117db924cf7c 147 /* otherwise the bits per digit is calculated automatically from the size of
wolfSSL 15:117db924cf7c 148 a mp_digit */
wolfSSL 15:117db924cf7c 149 #ifndef DIGIT_BIT
wolfSSL 15:117db924cf7c 150 #define DIGIT_BIT ((int)((CHAR_BIT * sizeof(mp_digit) - 1)))
wolfSSL 15:117db924cf7c 151 /* bits per digit */
wolfSSL 15:117db924cf7c 152 #endif
wolfSSL 15:117db924cf7c 153
wolfSSL 15:117db924cf7c 154 #define MP_DIGIT_BIT DIGIT_BIT
wolfSSL 15:117db924cf7c 155 #define MP_MASK ((((mp_digit)1)<<((mp_digit)DIGIT_BIT))-((mp_digit)1))
wolfSSL 15:117db924cf7c 156 #define MP_DIGIT_MAX MP_MASK
wolfSSL 15:117db924cf7c 157
wolfSSL 15:117db924cf7c 158 /* equalities */
wolfSSL 15:117db924cf7c 159 #define MP_LT -1 /* less than */
wolfSSL 15:117db924cf7c 160 #define MP_EQ 0 /* equal to */
wolfSSL 15:117db924cf7c 161 #define MP_GT 1 /* greater than */
wolfSSL 15:117db924cf7c 162
wolfSSL 15:117db924cf7c 163 #define MP_ZPOS 0 /* positive integer */
wolfSSL 15:117db924cf7c 164 #define MP_NEG 1 /* negative */
wolfSSL 15:117db924cf7c 165
wolfSSL 15:117db924cf7c 166 #define MP_OKAY 0 /* ok result */
wolfSSL 15:117db924cf7c 167 #define MP_MEM -2 /* out of mem */
wolfSSL 15:117db924cf7c 168 #define MP_VAL -3 /* invalid input */
wolfSSL 15:117db924cf7c 169 #define MP_NOT_INF -4 /* point not at infinity */
wolfSSL 15:117db924cf7c 170 #define MP_RANGE MP_NOT_INF
wolfSSL 15:117db924cf7c 171
wolfSSL 15:117db924cf7c 172 #define MP_YES 1 /* yes response */
wolfSSL 15:117db924cf7c 173 #define MP_NO 0 /* no response */
wolfSSL 15:117db924cf7c 174
wolfSSL 15:117db924cf7c 175 /* Primality generation flags */
wolfSSL 15:117db924cf7c 176 #define LTM_PRIME_BBS 0x0001 /* BBS style prime */
wolfSSL 15:117db924cf7c 177 #define LTM_PRIME_SAFE 0x0002 /* Safe prime (p-1)/2 == prime */
wolfSSL 15:117db924cf7c 178 #define LTM_PRIME_2MSB_ON 0x0008 /* force 2nd MSB to 1 */
wolfSSL 15:117db924cf7c 179
wolfSSL 15:117db924cf7c 180 typedef int mp_err;
wolfSSL 15:117db924cf7c 181
wolfSSL 15:117db924cf7c 182 /* define this to use lower memory usage routines (exptmods mostly) */
wolfSSL 15:117db924cf7c 183 #define MP_LOW_MEM
wolfSSL 15:117db924cf7c 184
wolfSSL 15:117db924cf7c 185 /* default precision */
wolfSSL 15:117db924cf7c 186 #ifndef MP_PREC
wolfSSL 15:117db924cf7c 187 #ifndef MP_LOW_MEM
wolfSSL 15:117db924cf7c 188 #define MP_PREC 32 /* default digits of precision */
wolfSSL 15:117db924cf7c 189 #else
wolfSSL 15:117db924cf7c 190 #define MP_PREC 1 /* default digits of precision */
wolfSSL 15:117db924cf7c 191 #endif
wolfSSL 15:117db924cf7c 192 #endif
wolfSSL 15:117db924cf7c 193
wolfSSL 15:117db924cf7c 194 /* size of comba arrays, should be at least 2 * 2**(BITS_PER_WORD -
wolfSSL 15:117db924cf7c 195 BITS_PER_DIGIT*2) */
wolfSSL 15:117db924cf7c 196 #define MP_WARRAY (1 << (sizeof(mp_word) * CHAR_BIT - 2 * DIGIT_BIT + 1))
wolfSSL 15:117db924cf7c 197
wolfSSL 15:117db924cf7c 198 #ifdef HAVE_WOLF_BIGINT
wolfSSL 15:117db924cf7c 199 struct WC_BIGINT;
wolfSSL 15:117db924cf7c 200 #endif
wolfSSL 15:117db924cf7c 201
wolfSSL 15:117db924cf7c 202 /* the mp_int structure */
wolfSSL 15:117db924cf7c 203 typedef struct mp_int {
wolfSSL 15:117db924cf7c 204 int used, alloc, sign;
wolfSSL 15:117db924cf7c 205 mp_digit *dp;
wolfSSL 15:117db924cf7c 206
wolfSSL 15:117db924cf7c 207 #ifdef HAVE_WOLF_BIGINT
wolfSSL 15:117db924cf7c 208 struct WC_BIGINT raw; /* unsigned binary (big endian) */
wolfSSL 15:117db924cf7c 209 #endif
wolfSSL 15:117db924cf7c 210 } mp_int;
wolfSSL 15:117db924cf7c 211 #define MP_INT_DEFINED
wolfSSL 15:117db924cf7c 212
wolfSSL 15:117db924cf7c 213 /* callback for mp_prime_random, should fill dst with random bytes and return
wolfSSL 15:117db924cf7c 214 how many read [up to len] */
wolfSSL 15:117db924cf7c 215 typedef int ltm_prime_callback(unsigned char *dst, int len, void *dat);
wolfSSL 15:117db924cf7c 216
wolfSSL 15:117db924cf7c 217
wolfSSL 15:117db924cf7c 218 #define USED(m) ((m)->used)
wolfSSL 15:117db924cf7c 219 #define DIGIT(m,k) ((m)->dp[(k)])
wolfSSL 15:117db924cf7c 220 #define SIGN(m) ((m)->sign)
wolfSSL 15:117db924cf7c 221
wolfSSL 15:117db924cf7c 222
wolfSSL 15:117db924cf7c 223 /* ---> Basic Manipulations <--- */
wolfSSL 15:117db924cf7c 224 #define mp_iszero(a) (((a)->used == 0) ? MP_YES : MP_NO)
wolfSSL 15:117db924cf7c 225 #define mp_isone(a) \
wolfSSL 15:117db924cf7c 226 (((((a)->used == 1)) && ((a)->dp[0] == 1u)) ? MP_YES : MP_NO)
wolfSSL 15:117db924cf7c 227 #define mp_iseven(a) \
wolfSSL 15:117db924cf7c 228 (((a)->used > 0 && (((a)->dp[0] & 1u) == 0u)) ? MP_YES : MP_NO)
wolfSSL 15:117db924cf7c 229 #define mp_isodd(a) \
wolfSSL 15:117db924cf7c 230 (((a)->used > 0 && (((a)->dp[0] & 1u) == 1u)) ? MP_YES : MP_NO)
wolfSSL 15:117db924cf7c 231 #define mp_isneg(a) (((a)->sign != MP_ZPOS) ? MP_YES : MP_NO)
wolfSSL 15:117db924cf7c 232
wolfSSL 15:117db924cf7c 233 /* number of primes */
wolfSSL 15:117db924cf7c 234 #ifdef MP_8BIT
wolfSSL 15:117db924cf7c 235 #define PRIME_SIZE 31
wolfSSL 15:117db924cf7c 236 #else
wolfSSL 15:117db924cf7c 237 #define PRIME_SIZE 256
wolfSSL 15:117db924cf7c 238 #endif
wolfSSL 15:117db924cf7c 239
wolfSSL 15:117db924cf7c 240 #ifndef MAX_INVMOD_SZ
wolfSSL 15:117db924cf7c 241 #if defined(WOLFSSL_MYSQL_COMPATIBLE)
wolfSSL 15:117db924cf7c 242 #define MAX_INVMOD_SZ 8192
wolfSSL 15:117db924cf7c 243 #else
wolfSSL 15:117db924cf7c 244 #define MAX_INVMOD_SZ 4096
wolfSSL 15:117db924cf7c 245 #endif
wolfSSL 15:117db924cf7c 246 #endif
wolfSSL 15:117db924cf7c 247
wolfSSL 15:117db924cf7c 248 #define mp_prime_random(a, t, size, bbs, cb, dat) \
wolfSSL 15:117db924cf7c 249 mp_prime_random_ex(a, t, ((size) * 8) + 1, (bbs==1)?LTM_PRIME_BBS:0, cb, dat)
wolfSSL 15:117db924cf7c 250
wolfSSL 15:117db924cf7c 251 #define mp_read_raw(mp, str, len) mp_read_signed_bin((mp), (str), (len))
wolfSSL 15:117db924cf7c 252 #define mp_raw_size(mp) mp_signed_bin_size(mp)
wolfSSL 15:117db924cf7c 253 #define mp_toraw(mp, str) mp_to_signed_bin((mp), (str))
wolfSSL 15:117db924cf7c 254 #define mp_read_mag(mp, str, len) mp_read_unsigned_bin((mp), (str), (len))
wolfSSL 15:117db924cf7c 255 #define mp_mag_size(mp) mp_unsigned_bin_size(mp)
wolfSSL 15:117db924cf7c 256 #define mp_tomag(mp, str) mp_to_unsigned_bin((mp), (str))
wolfSSL 15:117db924cf7c 257
wolfSSL 15:117db924cf7c 258 #define MP_RADIX_BIN 2
wolfSSL 15:117db924cf7c 259 #define MP_RADIX_OCT 8
wolfSSL 15:117db924cf7c 260 #define MP_RADIX_DEC 10
wolfSSL 15:117db924cf7c 261 #define MP_RADIX_HEX 16
wolfSSL 15:117db924cf7c 262 #define MP_RADIX_MAX 64
wolfSSL 15:117db924cf7c 263
wolfSSL 15:117db924cf7c 264 #define mp_tobinary(M, S) mp_toradix((M), (S), MP_RADIX_BIN)
wolfSSL 15:117db924cf7c 265 #define mp_tooctal(M, S) mp_toradix((M), (S), MP_RADIX_OCT)
wolfSSL 15:117db924cf7c 266 #define mp_todecimal(M, S) mp_toradix((M), (S), MP_RADIX_DEC)
wolfSSL 15:117db924cf7c 267 #define mp_tohex(M, S) mp_toradix((M), (S), MP_RADIX_HEX)
wolfSSL 15:117db924cf7c 268
wolfSSL 15:117db924cf7c 269 #define s_mp_mul(a, b, c) s_mp_mul_digs(a, b, c, (a)->used + (b)->used + 1)
wolfSSL 15:117db924cf7c 270
wolfSSL 15:117db924cf7c 271 #if defined(HAVE_ECC) || defined(WOLFSSL_KEY_GEN) || defined(HAVE_COMP_KEY) || \
wolfSSL 15:117db924cf7c 272 defined(WOLFSSL_DEBUG_MATH) || defined(DEBUG_WOLFSSL)
wolfSSL 15:117db924cf7c 273 extern const char *mp_s_rmap;
wolfSSL 15:117db924cf7c 274 #endif
wolfSSL 15:117db924cf7c 275
wolfSSL 15:117db924cf7c 276 /* 6 functions needed by Rsa */
wolfSSL 15:117db924cf7c 277 MP_API int mp_init (mp_int * a);
wolfSSL 15:117db924cf7c 278 MP_API void mp_clear (mp_int * a);
wolfSSL 15:117db924cf7c 279 MP_API void mp_free (mp_int * a);
wolfSSL 15:117db924cf7c 280 MP_API void mp_forcezero(mp_int * a);
wolfSSL 15:117db924cf7c 281 MP_API int mp_unsigned_bin_size(mp_int * a);
wolfSSL 15:117db924cf7c 282 MP_API int mp_read_unsigned_bin (mp_int * a, const unsigned char *b, int c);
wolfSSL 15:117db924cf7c 283 MP_API int mp_to_unsigned_bin_at_pos(int x, mp_int *t, unsigned char *b);
wolfSSL 15:117db924cf7c 284 MP_API int mp_to_unsigned_bin (mp_int * a, unsigned char *b);
wolfSSL 15:117db924cf7c 285 MP_API int mp_exptmod (mp_int * G, mp_int * X, mp_int * P, mp_int * Y);
wolfSSL 15:117db924cf7c 286 /* end functions needed by Rsa */
wolfSSL 15:117db924cf7c 287
wolfSSL 15:117db924cf7c 288 /* functions added to support above needed, removed TOOM and KARATSUBA */
wolfSSL 15:117db924cf7c 289 MP_API int mp_count_bits (mp_int * a);
wolfSSL 15:117db924cf7c 290 MP_API int mp_leading_bit (mp_int * a);
wolfSSL 15:117db924cf7c 291 MP_API int mp_init_copy (mp_int * a, mp_int * b);
wolfSSL 15:117db924cf7c 292 MP_API int mp_copy (mp_int * a, mp_int * b);
wolfSSL 15:117db924cf7c 293 MP_API int mp_grow (mp_int * a, int size);
wolfSSL 15:117db924cf7c 294 MP_API int mp_div_2d (mp_int * a, int b, mp_int * c, mp_int * d);
wolfSSL 15:117db924cf7c 295 MP_API void mp_zero (mp_int * a);
wolfSSL 15:117db924cf7c 296 MP_API void mp_clamp (mp_int * a);
wolfSSL 15:117db924cf7c 297 MP_API void mp_exch (mp_int * a, mp_int * b);
wolfSSL 15:117db924cf7c 298 MP_API void mp_rshd (mp_int * a, int b);
wolfSSL 15:117db924cf7c 299 MP_API void mp_rshb (mp_int * a, int b);
wolfSSL 15:117db924cf7c 300 MP_API int mp_mod_2d (mp_int * a, int b, mp_int * c);
wolfSSL 15:117db924cf7c 301 MP_API int mp_mul_2d (mp_int * a, int b, mp_int * c);
wolfSSL 15:117db924cf7c 302 MP_API int mp_lshd (mp_int * a, int b);
wolfSSL 15:117db924cf7c 303 MP_API int mp_abs (mp_int * a, mp_int * b);
wolfSSL 15:117db924cf7c 304 MP_API int mp_invmod (mp_int * a, mp_int * b, mp_int * c);
wolfSSL 15:117db924cf7c 305 int fast_mp_invmod (mp_int * a, mp_int * b, mp_int * c);
wolfSSL 15:117db924cf7c 306 MP_API int mp_invmod_slow (mp_int * a, mp_int * b, mp_int * c);
wolfSSL 15:117db924cf7c 307 MP_API int mp_cmp_mag (mp_int * a, mp_int * b);
wolfSSL 15:117db924cf7c 308 MP_API int mp_cmp (mp_int * a, mp_int * b);
wolfSSL 15:117db924cf7c 309 MP_API int mp_cmp_d(mp_int * a, mp_digit b);
wolfSSL 15:117db924cf7c 310 MP_API int mp_set (mp_int * a, mp_digit b);
wolfSSL 15:117db924cf7c 311 MP_API int mp_is_bit_set (mp_int * a, mp_digit b);
wolfSSL 15:117db924cf7c 312 MP_API int mp_mod (mp_int * a, mp_int * b, mp_int * c);
wolfSSL 15:117db924cf7c 313 MP_API int mp_div(mp_int * a, mp_int * b, mp_int * c, mp_int * d);
wolfSSL 15:117db924cf7c 314 MP_API int mp_div_2(mp_int * a, mp_int * b);
wolfSSL 15:117db924cf7c 315 MP_API int mp_add (mp_int * a, mp_int * b, mp_int * c);
wolfSSL 15:117db924cf7c 316 int s_mp_add (mp_int * a, mp_int * b, mp_int * c);
wolfSSL 15:117db924cf7c 317 int s_mp_sub (mp_int * a, mp_int * b, mp_int * c);
wolfSSL 15:117db924cf7c 318 MP_API int mp_sub (mp_int * a, mp_int * b, mp_int * c);
wolfSSL 15:117db924cf7c 319 MP_API int mp_reduce_is_2k_l(mp_int *a);
wolfSSL 15:117db924cf7c 320 MP_API int mp_reduce_is_2k(mp_int *a);
wolfSSL 15:117db924cf7c 321 MP_API int mp_dr_is_modulus(mp_int *a);
wolfSSL 15:117db924cf7c 322 MP_API int mp_exptmod_fast (mp_int * G, mp_int * X, mp_int * P, mp_int * Y,
wolfSSL 15:117db924cf7c 323 int);
wolfSSL 15:117db924cf7c 324 MP_API int mp_montgomery_setup (mp_int * n, mp_digit * rho);
wolfSSL 15:117db924cf7c 325 int fast_mp_montgomery_reduce (mp_int * x, mp_int * n, mp_digit rho);
wolfSSL 15:117db924cf7c 326 MP_API int mp_montgomery_reduce (mp_int * x, mp_int * n, mp_digit rho);
wolfSSL 15:117db924cf7c 327 MP_API void mp_dr_setup(mp_int *a, mp_digit *d);
wolfSSL 15:117db924cf7c 328 MP_API int mp_dr_reduce (mp_int * x, mp_int * n, mp_digit k);
wolfSSL 15:117db924cf7c 329 MP_API int mp_reduce_2k(mp_int *a, mp_int *n, mp_digit d);
wolfSSL 15:117db924cf7c 330 int fast_s_mp_mul_high_digs (mp_int * a, mp_int * b, mp_int * c, int digs);
wolfSSL 15:117db924cf7c 331 int s_mp_mul_high_digs (mp_int * a, mp_int * b, mp_int * c, int digs);
wolfSSL 15:117db924cf7c 332 MP_API int mp_reduce_2k_setup_l(mp_int *a, mp_int *d);
wolfSSL 15:117db924cf7c 333 MP_API int mp_reduce_2k_l(mp_int *a, mp_int *n, mp_int *d);
wolfSSL 15:117db924cf7c 334 MP_API int mp_reduce (mp_int * x, mp_int * m, mp_int * mu);
wolfSSL 15:117db924cf7c 335 MP_API int mp_reduce_setup (mp_int * a, mp_int * b);
wolfSSL 15:117db924cf7c 336 int s_mp_exptmod (mp_int * G, mp_int * X, mp_int * P, mp_int * Y, int redmode);
wolfSSL 15:117db924cf7c 337 MP_API int mp_montgomery_calc_normalization (mp_int * a, mp_int * b);
wolfSSL 15:117db924cf7c 338 int s_mp_mul_digs (mp_int * a, mp_int * b, mp_int * c, int digs);
wolfSSL 15:117db924cf7c 339 int s_mp_sqr (mp_int * a, mp_int * b);
wolfSSL 15:117db924cf7c 340 int fast_s_mp_mul_digs (mp_int * a, mp_int * b, mp_int * c, int digs);
wolfSSL 15:117db924cf7c 341 int fast_s_mp_sqr (mp_int * a, mp_int * b);
wolfSSL 15:117db924cf7c 342 MP_API int mp_init_size (mp_int * a, int size);
wolfSSL 15:117db924cf7c 343 MP_API int mp_div_3 (mp_int * a, mp_int *c, mp_digit * d);
wolfSSL 15:117db924cf7c 344 MP_API int mp_mul_2(mp_int * a, mp_int * b);
wolfSSL 15:117db924cf7c 345 MP_API int mp_mul (mp_int * a, mp_int * b, mp_int * c);
wolfSSL 15:117db924cf7c 346 MP_API int mp_sqr (mp_int * a, mp_int * b);
wolfSSL 15:117db924cf7c 347 MP_API int mp_mulmod (mp_int * a, mp_int * b, mp_int * c, mp_int * d);
wolfSSL 15:117db924cf7c 348 MP_API int mp_submod (mp_int* a, mp_int* b, mp_int* c, mp_int* d);
wolfSSL 15:117db924cf7c 349 MP_API int mp_addmod (mp_int* a, mp_int* b, mp_int* c, mp_int* d);
wolfSSL 15:117db924cf7c 350 MP_API int mp_mul_d (mp_int * a, mp_digit b, mp_int * c);
wolfSSL 15:117db924cf7c 351 MP_API int mp_2expt (mp_int * a, int b);
wolfSSL 15:117db924cf7c 352 MP_API int mp_set_bit (mp_int * a, int b);
wolfSSL 15:117db924cf7c 353 MP_API int mp_reduce_2k_setup(mp_int *a, mp_digit *d);
wolfSSL 15:117db924cf7c 354 MP_API int mp_add_d (mp_int* a, mp_digit b, mp_int* c);
wolfSSL 15:117db924cf7c 355 MP_API int mp_set_int (mp_int * a, unsigned long b);
wolfSSL 15:117db924cf7c 356 MP_API int mp_sub_d (mp_int * a, mp_digit b, mp_int * c);
wolfSSL 15:117db924cf7c 357 /* end support added functions */
wolfSSL 15:117db924cf7c 358
wolfSSL 15:117db924cf7c 359 /* added */
wolfSSL 15:117db924cf7c 360 MP_API int mp_init_multi(mp_int* a, mp_int* b, mp_int* c, mp_int* d, mp_int* e,
wolfSSL 15:117db924cf7c 361 mp_int* f);
wolfSSL 15:117db924cf7c 362 MP_API int mp_toradix (mp_int *a, char *str, int radix);
wolfSSL 15:117db924cf7c 363 MP_API int mp_radix_size (mp_int * a, int radix, int *size);
wolfSSL 15:117db924cf7c 364
wolfSSL 15:117db924cf7c 365 #ifdef WOLFSSL_DEBUG_MATH
wolfSSL 15:117db924cf7c 366 MP_API void mp_dump(const char* desc, mp_int* a, byte verbose);
wolfSSL 15:117db924cf7c 367 #else
wolfSSL 15:117db924cf7c 368 #define mp_dump(desc, a, verbose)
wolfSSL 15:117db924cf7c 369 #endif
wolfSSL 15:117db924cf7c 370
wolfSSL 15:117db924cf7c 371 #if defined(HAVE_ECC) || defined(WOLFSSL_KEY_GEN)
wolfSSL 15:117db924cf7c 372 MP_API int mp_sqrmod(mp_int* a, mp_int* b, mp_int* c);
wolfSSL 15:117db924cf7c 373 #endif
wolfSSL 15:117db924cf7c 374 #if !defined(NO_DSA) || defined(HAVE_ECC)
wolfSSL 15:117db924cf7c 375 MP_API int mp_read_radix(mp_int* a, const char* str, int radix);
wolfSSL 15:117db924cf7c 376 #endif
wolfSSL 15:117db924cf7c 377
wolfSSL 15:117db924cf7c 378 #ifdef WOLFSSL_KEY_GEN
wolfSSL 15:117db924cf7c 379 MP_API int mp_prime_is_prime (mp_int * a, int t, int *result);
wolfSSL 15:117db924cf7c 380 MP_API int mp_gcd (mp_int * a, mp_int * b, mp_int * c);
wolfSSL 15:117db924cf7c 381 MP_API int mp_lcm (mp_int * a, mp_int * b, mp_int * c);
wolfSSL 15:117db924cf7c 382 MP_API int mp_rand_prime(mp_int* N, int len, WC_RNG* rng, void* heap);
wolfSSL 15:117db924cf7c 383 #endif
wolfSSL 15:117db924cf7c 384
wolfSSL 15:117db924cf7c 385 MP_API int mp_cnt_lsb(mp_int *a);
wolfSSL 15:117db924cf7c 386 MP_API int mp_mod_d(mp_int* a, mp_digit b, mp_digit* c);
wolfSSL 15:117db924cf7c 387
wolfSSL 15:117db924cf7c 388
wolfSSL 15:117db924cf7c 389 /* wolf big int and common functions */
wolfSSL 15:117db924cf7c 390 #include <wolfssl/wolfcrypt/wolfmath.h>
wolfSSL 15:117db924cf7c 391
wolfSSL 15:117db924cf7c 392
wolfSSL 15:117db924cf7c 393 #ifdef __cplusplus
wolfSSL 15:117db924cf7c 394 }
wolfSSL 15:117db924cf7c 395 #endif
wolfSSL 15:117db924cf7c 396
wolfSSL 15:117db924cf7c 397
wolfSSL 15:117db924cf7c 398 #endif /* USE_FAST_MATH */
wolfSSL 15:117db924cf7c 399
wolfSSL 15:117db924cf7c 400 #endif /* WOLF_CRYPT_INTEGER_H */
wolfSSL 15:117db924cf7c 401
wolfSSL 15:117db924cf7c 402