Xuyi Wang / wolfcrypt

ssh lib

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wolfcrypt/integer.h@1:e4ea39eba2fb, 2019-11-25 (annotated)

Committer:
sPymbed
Date:
Mon Nov 25 14:23:49 2019 +0000
Revision:
1:e4ea39eba2fb
Parent:
0:1387ff3eed4a 
improved

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sPymbed 0:1387ff3eed4a 1 /* integer.h
sPymbed 0:1387ff3eed4a 2 *
sPymbed 0:1387ff3eed4a 3 * Copyright (C) 2006-2017 wolfSSL Inc.
sPymbed 0:1387ff3eed4a 4 *
sPymbed 0:1387ff3eed4a 5 * This file is part of wolfSSL.
sPymbed 0:1387ff3eed4a 6 *
sPymbed 0:1387ff3eed4a 7 * wolfSSL is free software; you can redistribute it and/or modify
sPymbed 0:1387ff3eed4a 8 * it under the terms of the GNU General Public License as published by
sPymbed 0:1387ff3eed4a 9 * the Free Software Foundation; either version 2 of the License, or
sPymbed 0:1387ff3eed4a 10 * (at your option) any later version.
sPymbed 0:1387ff3eed4a 11 *
sPymbed 0:1387ff3eed4a 12 * wolfSSL is distributed in the hope that it will be useful,
sPymbed 0:1387ff3eed4a 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
sPymbed 0:1387ff3eed4a 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
sPymbed 0:1387ff3eed4a 15 * GNU General Public License for more details.
sPymbed 0:1387ff3eed4a 16 *
sPymbed 0:1387ff3eed4a 17 * You should have received a copy of the GNU General Public License
sPymbed 0:1387ff3eed4a 18 * along with this program; if not, write to the Free Software
sPymbed 0:1387ff3eed4a 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
sPymbed 0:1387ff3eed4a 20 */
sPymbed 0:1387ff3eed4a 21
sPymbed 0:1387ff3eed4a 22
sPymbed 0:1387ff3eed4a 23 /*
sPymbed 0:1387ff3eed4a 24 * Based on public domain LibTomMath 0.38 by Tom St Denis, tomstdenis@iahu.ca,
sPymbed 0:1387ff3eed4a 25 * http://math.libtomcrypt.com
sPymbed 0:1387ff3eed4a 26 */
sPymbed 0:1387ff3eed4a 27
sPymbed 0:1387ff3eed4a 28
sPymbed 0:1387ff3eed4a 29 #ifndef WOLF_CRYPT_INTEGER_H
sPymbed 0:1387ff3eed4a 30 #define WOLF_CRYPT_INTEGER_H
sPymbed 0:1387ff3eed4a 31
sPymbed 0:1387ff3eed4a 32 /* may optionally use fast math instead, not yet supported on all platforms and
sPymbed 0:1387ff3eed4a 33 may not be faster on all
sPymbed 0:1387ff3eed4a 34 */
sPymbed 0:1387ff3eed4a 35 #include <wolfcrypt/types.h> /* will set MP_xxBIT if not default */
sPymbed 0:1387ff3eed4a 36 #ifdef WOLFSSL_SP_MATH
sPymbed 0:1387ff3eed4a 37 #include <wolfcrypt/sp_int.h>
sPymbed 0:1387ff3eed4a 38 #elif defined(USE_FAST_MATH)
sPymbed 0:1387ff3eed4a 39 #include <wolfcrypt/tfm.h>
sPymbed 0:1387ff3eed4a 40 #else
sPymbed 0:1387ff3eed4a 41
sPymbed 0:1387ff3eed4a 42 #include <wolfcrypt/random.h>
sPymbed 0:1387ff3eed4a 43
sPymbed 0:1387ff3eed4a 44 #ifndef CHAR_BIT
sPymbed 0:1387ff3eed4a 45 #include <limits.h>
sPymbed 0:1387ff3eed4a 46 #endif
sPymbed 0:1387ff3eed4a 47
sPymbed 0:1387ff3eed4a 48 #include <wolfcrypt/mpi_class.h>
sPymbed 0:1387ff3eed4a 49
sPymbed 0:1387ff3eed4a 50 /* wolf big int and common functions */
sPymbed 0:1387ff3eed4a 51 #include <wolfcrypt/wolfmath.h>
sPymbed 0:1387ff3eed4a 52
sPymbed 0:1387ff3eed4a 53
sPymbed 0:1387ff3eed4a 54 #ifdef WOLFSSL_PUBLIC_MP
sPymbed 0:1387ff3eed4a 55 #define MP_API WOLFSSL_API
sPymbed 0:1387ff3eed4a 56 #else
sPymbed 0:1387ff3eed4a 57 #define MP_API
sPymbed 0:1387ff3eed4a 58 #endif
sPymbed 0:1387ff3eed4a 59
sPymbed 0:1387ff3eed4a 60 #ifndef MIN
sPymbed 0:1387ff3eed4a 61 #define MIN(x,y) ((x)<(y)?(x):(y))
sPymbed 0:1387ff3eed4a 62 #endif
sPymbed 0:1387ff3eed4a 63
sPymbed 0:1387ff3eed4a 64 #ifndef MAX
sPymbed 0:1387ff3eed4a 65 #define MAX(x,y) ((x)>(y)?(x):(y))
sPymbed 0:1387ff3eed4a 66 #endif
sPymbed 0:1387ff3eed4a 67
sPymbed 0:1387ff3eed4a 68 #ifdef __cplusplus
sPymbed 0:1387ff3eed4a 69 extern "C" {
sPymbed 0:1387ff3eed4a 70
sPymbed 0:1387ff3eed4a 71 /* C++ compilers don't like assigning void * to mp_digit * */
sPymbed 0:1387ff3eed4a 72 #define OPT_CAST(x) (x *)
sPymbed 0:1387ff3eed4a 73
sPymbed 0:1387ff3eed4a 74 #elif defined(_SH3)
sPymbed 0:1387ff3eed4a 75
sPymbed 0:1387ff3eed4a 76 /* SuperH SH3 compiler doesn't like assigning voi* to mp_digit* */
sPymbed 0:1387ff3eed4a 77 #define OPT_CAST(x) (x *)
sPymbed 0:1387ff3eed4a 78
sPymbed 0:1387ff3eed4a 79 #else
sPymbed 0:1387ff3eed4a 80
sPymbed 0:1387ff3eed4a 81 /* C on the other hand doesn't care */
sPymbed 0:1387ff3eed4a 82 #define OPT_CAST(x)
sPymbed 0:1387ff3eed4a 83
sPymbed 0:1387ff3eed4a 84 #endif /* __cplusplus */
sPymbed 0:1387ff3eed4a 85
sPymbed 0:1387ff3eed4a 86
sPymbed 0:1387ff3eed4a 87 /* detect 64-bit mode if possible */
sPymbed 0:1387ff3eed4a 88 #if defined(__x86_64__)
sPymbed 0:1387ff3eed4a 89 #if !(defined(MP_64BIT) && defined(MP_16BIT) && defined(MP_8BIT))
sPymbed 0:1387ff3eed4a 90 #define MP_64BIT
sPymbed 0:1387ff3eed4a 91 #endif
sPymbed 0:1387ff3eed4a 92 #endif
sPymbed 0:1387ff3eed4a 93 /* if intel compiler doesn't provide 128 bit type don't turn on 64bit */
sPymbed 0:1387ff3eed4a 94 #if defined(MP_64BIT) && defined(__INTEL_COMPILER) && !defined(HAVE___UINT128_T)
sPymbed 0:1387ff3eed4a 95 #undef MP_64BIT
sPymbed 0:1387ff3eed4a 96 #endif
sPymbed 0:1387ff3eed4a 97
sPymbed 0:1387ff3eed4a 98
sPymbed 0:1387ff3eed4a 99 /* allow user to define on mp_digit, mp_word, DIGIT_BIT types */
sPymbed 0:1387ff3eed4a 100 #ifndef WOLFSSL_BIGINT_TYPES
sPymbed 0:1387ff3eed4a 101
sPymbed 0:1387ff3eed4a 102 /* some default configurations.
sPymbed 0:1387ff3eed4a 103 *
sPymbed 0:1387ff3eed4a 104 * A "mp_digit" must be able to hold DIGIT_BIT + 1 bits
sPymbed 0:1387ff3eed4a 105 * A "mp_word" must be able to hold 2*DIGIT_BIT + 1 bits
sPymbed 0:1387ff3eed4a 106 *
sPymbed 0:1387ff3eed4a 107 * At the very least a mp_digit must be able to hold 7 bits
sPymbed 0:1387ff3eed4a 108 * [any size beyond that is ok provided it doesn't overflow the data type]
sPymbed 0:1387ff3eed4a 109 */
sPymbed 0:1387ff3eed4a 110 #ifdef MP_8BIT
sPymbed 0:1387ff3eed4a 111 typedef unsigned char mp_digit;
sPymbed 0:1387ff3eed4a 112 typedef unsigned short mp_word;
sPymbed 0:1387ff3eed4a 113 #elif defined(MP_16BIT) || defined(NO_64BIT)
sPymbed 0:1387ff3eed4a 114 typedef unsigned short mp_digit;
sPymbed 0:1387ff3eed4a 115 typedef unsigned int mp_word;
sPymbed 0:1387ff3eed4a 116 #define DIGIT_BIT 12
sPymbed 0:1387ff3eed4a 117 #elif defined(MP_64BIT)
sPymbed 0:1387ff3eed4a 118 /* for GCC only on supported platforms */
sPymbed 0:1387ff3eed4a 119 typedef unsigned long long mp_digit; /* 64 bit type, 128 uses mode(TI) */
sPymbed 0:1387ff3eed4a 120 typedef unsigned long mp_word __attribute__ ((mode(TI)));
sPymbed 0:1387ff3eed4a 121
sPymbed 0:1387ff3eed4a 122 #define DIGIT_BIT 60
sPymbed 0:1387ff3eed4a 123 #else
sPymbed 0:1387ff3eed4a 124 /* this is the default case, 28-bit digits */
sPymbed 0:1387ff3eed4a 125
sPymbed 0:1387ff3eed4a 126 #if defined(_MSC_VER) || defined(__BORLANDC__)
sPymbed 0:1387ff3eed4a 127 typedef unsigned __int64 ulong64;
sPymbed 0:1387ff3eed4a 128 #else
sPymbed 0:1387ff3eed4a 129 typedef unsigned long long ulong64;
sPymbed 0:1387ff3eed4a 130 #endif
sPymbed 0:1387ff3eed4a 131
sPymbed 0:1387ff3eed4a 132 typedef unsigned int mp_digit; /* long could be 64 now, changed TAO */
sPymbed 0:1387ff3eed4a 133 typedef ulong64 mp_word;
sPymbed 0:1387ff3eed4a 134
sPymbed 0:1387ff3eed4a 135 #ifdef MP_31BIT
sPymbed 0:1387ff3eed4a 136 /* this is an extension that uses 31-bit digits */
sPymbed 0:1387ff3eed4a 137 #define DIGIT_BIT 31
sPymbed 0:1387ff3eed4a 138 #else
sPymbed 0:1387ff3eed4a 139 /* default case is 28-bit digits, defines MP_28BIT as a handy test macro */
sPymbed 0:1387ff3eed4a 140 #define DIGIT_BIT 28
sPymbed 0:1387ff3eed4a 141 #define MP_28BIT
sPymbed 0:1387ff3eed4a 142 #endif
sPymbed 0:1387ff3eed4a 143 #endif
sPymbed 0:1387ff3eed4a 144
sPymbed 0:1387ff3eed4a 145 #endif /* WOLFSSL_BIGINT_TYPES */
sPymbed 0:1387ff3eed4a 146
sPymbed 0:1387ff3eed4a 147 /* otherwise the bits per digit is calculated automatically from the size of
sPymbed 0:1387ff3eed4a 148 a mp_digit */
sPymbed 0:1387ff3eed4a 149 #ifndef DIGIT_BIT
sPymbed 0:1387ff3eed4a 150 #define DIGIT_BIT ((int)((CHAR_BIT * sizeof(mp_digit) - 1)))
sPymbed 0:1387ff3eed4a 151 /* bits per digit */
sPymbed 0:1387ff3eed4a 152 #endif
sPymbed 0:1387ff3eed4a 153
sPymbed 0:1387ff3eed4a 154 #define MP_DIGIT_BIT DIGIT_BIT
sPymbed 0:1387ff3eed4a 155 #define MP_MASK ((((mp_digit)1)<<((mp_digit)DIGIT_BIT))-((mp_digit)1))
sPymbed 0:1387ff3eed4a 156 #define MP_DIGIT_MAX MP_MASK
sPymbed 0:1387ff3eed4a 157
sPymbed 0:1387ff3eed4a 158 /* equalities */
sPymbed 0:1387ff3eed4a 159 #define MP_LT -1 /* less than */
sPymbed 0:1387ff3eed4a 160 #define MP_EQ 0 /* equal to */
sPymbed 0:1387ff3eed4a 161 #define MP_GT 1 /* greater than */
sPymbed 0:1387ff3eed4a 162
sPymbed 0:1387ff3eed4a 163 #define MP_ZPOS 0 /* positive integer */
sPymbed 0:1387ff3eed4a 164 #define MP_NEG 1 /* negative */
sPymbed 0:1387ff3eed4a 165
sPymbed 0:1387ff3eed4a 166 #define MP_OKAY 0 /* ok result */
sPymbed 0:1387ff3eed4a 167 #define MP_MEM -2 /* out of mem */
sPymbed 0:1387ff3eed4a 168 #define MP_VAL -3 /* invalid input */
sPymbed 0:1387ff3eed4a 169 #define MP_NOT_INF -4 /* point not at infinity */
sPymbed 0:1387ff3eed4a 170 #define MP_RANGE MP_NOT_INF
sPymbed 0:1387ff3eed4a 171
sPymbed 0:1387ff3eed4a 172 #define MP_YES 1 /* yes response */
sPymbed 0:1387ff3eed4a 173 #define MP_NO 0 /* no response */
sPymbed 0:1387ff3eed4a 174
sPymbed 0:1387ff3eed4a 175 /* Primality generation flags */
sPymbed 0:1387ff3eed4a 176 #define LTM_PRIME_BBS 0x0001 /* BBS style prime */
sPymbed 0:1387ff3eed4a 177 #define LTM_PRIME_SAFE 0x0002 /* Safe prime (p-1)/2 == prime */
sPymbed 0:1387ff3eed4a 178 #define LTM_PRIME_2MSB_ON 0x0008 /* force 2nd MSB to 1 */
sPymbed 0:1387ff3eed4a 179
sPymbed 0:1387ff3eed4a 180 typedef int mp_err;
sPymbed 0:1387ff3eed4a 181
sPymbed 0:1387ff3eed4a 182 /* define this to use lower memory usage routines (exptmods mostly) */
sPymbed 0:1387ff3eed4a 183 #define MP_LOW_MEM
sPymbed 0:1387ff3eed4a 184
sPymbed 0:1387ff3eed4a 185 /* default precision */
sPymbed 0:1387ff3eed4a 186 #ifndef MP_PREC
sPymbed 0:1387ff3eed4a 187 #ifndef MP_LOW_MEM
sPymbed 0:1387ff3eed4a 188 #define MP_PREC 32 /* default digits of precision */
sPymbed 0:1387ff3eed4a 189 #else
sPymbed 0:1387ff3eed4a 190 #define MP_PREC 1 /* default digits of precision */
sPymbed 0:1387ff3eed4a 191 #endif
sPymbed 0:1387ff3eed4a 192 #endif
sPymbed 0:1387ff3eed4a 193
sPymbed 0:1387ff3eed4a 194 /* size of comba arrays, should be at least 2 * 2**(BITS_PER_WORD -
sPymbed 0:1387ff3eed4a 195 BITS_PER_DIGIT*2) */
sPymbed 0:1387ff3eed4a 196 #define MP_WARRAY (1 << (sizeof(mp_word) * CHAR_BIT - 2 * DIGIT_BIT + 1))
sPymbed 0:1387ff3eed4a 197
sPymbed 0:1387ff3eed4a 198 #ifdef HAVE_WOLF_BIGINT
sPymbed 0:1387ff3eed4a 199 struct WC_BIGINT;
sPymbed 0:1387ff3eed4a 200 #endif
sPymbed 0:1387ff3eed4a 201
sPymbed 0:1387ff3eed4a 202 /* the mp_int structure */
sPymbed 0:1387ff3eed4a 203 typedef struct mp_int {
sPymbed 0:1387ff3eed4a 204 int used, alloc, sign;
sPymbed 0:1387ff3eed4a 205 mp_digit *dp;
sPymbed 0:1387ff3eed4a 206
sPymbed 0:1387ff3eed4a 207 #ifdef HAVE_WOLF_BIGINT
sPymbed 0:1387ff3eed4a 208 struct WC_BIGINT raw; /* unsigned binary (big endian) */
sPymbed 0:1387ff3eed4a 209 #endif
sPymbed 0:1387ff3eed4a 210 } mp_int;
sPymbed 0:1387ff3eed4a 211 #define MP_INT_DEFINED
sPymbed 0:1387ff3eed4a 212
sPymbed 0:1387ff3eed4a 213 /* callback for mp_prime_random, should fill dst with random bytes and return
sPymbed 0:1387ff3eed4a 214 how many read [up to len] */
sPymbed 0:1387ff3eed4a 215 typedef int ltm_prime_callback(unsigned char *dst, int len, void *dat);
sPymbed 0:1387ff3eed4a 216
sPymbed 0:1387ff3eed4a 217
sPymbed 0:1387ff3eed4a 218 #define USED(m) ((m)->used)
sPymbed 0:1387ff3eed4a 219 #define DIGIT(m,k) ((m)->dp[(k)])
sPymbed 0:1387ff3eed4a 220 #define SIGN(m) ((m)->sign)
sPymbed 0:1387ff3eed4a 221
sPymbed 0:1387ff3eed4a 222
sPymbed 0:1387ff3eed4a 223 /* ---> Basic Manipulations <--- */
sPymbed 0:1387ff3eed4a 224 #define mp_iszero(a) (((a)->used == 0) ? MP_YES : MP_NO)
sPymbed 0:1387ff3eed4a 225 #define mp_isone(a) \
sPymbed 0:1387ff3eed4a 226 (((((a)->used == 1)) && ((a)->dp[0] == 1u)) ? MP_YES : MP_NO)
sPymbed 0:1387ff3eed4a 227 #define mp_iseven(a) \
sPymbed 0:1387ff3eed4a 228 (((a)->used > 0 && (((a)->dp[0] & 1u) == 0u)) ? MP_YES : MP_NO)
sPymbed 0:1387ff3eed4a 229 #define mp_isodd(a) \
sPymbed 0:1387ff3eed4a 230 (((a)->used > 0 && (((a)->dp[0] & 1u) == 1u)) ? MP_YES : MP_NO)
sPymbed 0:1387ff3eed4a 231 #define mp_isneg(a) (((a)->sign != MP_ZPOS) ? MP_YES : MP_NO)
sPymbed 0:1387ff3eed4a 232
sPymbed 0:1387ff3eed4a 233 /* number of primes */
sPymbed 0:1387ff3eed4a 234 #ifdef MP_8BIT
sPymbed 0:1387ff3eed4a 235 #define PRIME_SIZE 31
sPymbed 0:1387ff3eed4a 236 #else
sPymbed 0:1387ff3eed4a 237 #define PRIME_SIZE 256
sPymbed 0:1387ff3eed4a 238 #endif
sPymbed 0:1387ff3eed4a 239
sPymbed 0:1387ff3eed4a 240 #ifndef MAX_INVMOD_SZ
sPymbed 0:1387ff3eed4a 241 #if defined(WOLFSSL_MYSQL_COMPATIBLE)
sPymbed 0:1387ff3eed4a 242 #define MAX_INVMOD_SZ 8192
sPymbed 0:1387ff3eed4a 243 #else
sPymbed 0:1387ff3eed4a 244 #define MAX_INVMOD_SZ 4096
sPymbed 0:1387ff3eed4a 245 #endif
sPymbed 0:1387ff3eed4a 246 #endif
sPymbed 0:1387ff3eed4a 247
sPymbed 0:1387ff3eed4a 248 #define mp_prime_random(a, t, size, bbs, cb, dat) \
sPymbed 0:1387ff3eed4a 249 mp_prime_random_ex(a, t, ((size) * 8) + 1, (bbs==1)?LTM_PRIME_BBS:0, cb, dat)
sPymbed 0:1387ff3eed4a 250
sPymbed 0:1387ff3eed4a 251 #define mp_read_raw(mp, str, len) mp_read_signed_bin((mp), (str), (len))
sPymbed 0:1387ff3eed4a 252 #define mp_raw_size(mp) mp_signed_bin_size(mp)
sPymbed 0:1387ff3eed4a 253 #define mp_toraw(mp, str) mp_to_signed_bin((mp), (str))
sPymbed 0:1387ff3eed4a 254 #define mp_read_mag(mp, str, len) mp_read_unsigned_bin((mp), (str), (len))
sPymbed 0:1387ff3eed4a 255 #define mp_mag_size(mp) mp_unsigned_bin_size(mp)
sPymbed 0:1387ff3eed4a 256 #define mp_tomag(mp, str) mp_to_unsigned_bin((mp), (str))
sPymbed 0:1387ff3eed4a 257
sPymbed 0:1387ff3eed4a 258 #define MP_RADIX_BIN 2
sPymbed 0:1387ff3eed4a 259 #define MP_RADIX_OCT 8
sPymbed 0:1387ff3eed4a 260 #define MP_RADIX_DEC 10
sPymbed 0:1387ff3eed4a 261 #define MP_RADIX_HEX 16
sPymbed 0:1387ff3eed4a 262 #define MP_RADIX_MAX 64
sPymbed 0:1387ff3eed4a 263
sPymbed 0:1387ff3eed4a 264 #define mp_tobinary(M, S) mp_toradix((M), (S), MP_RADIX_BIN)
sPymbed 0:1387ff3eed4a 265 #define mp_tooctal(M, S) mp_toradix((M), (S), MP_RADIX_OCT)
sPymbed 0:1387ff3eed4a 266 #define mp_todecimal(M, S) mp_toradix((M), (S), MP_RADIX_DEC)
sPymbed 0:1387ff3eed4a 267 #define mp_tohex(M, S) mp_toradix((M), (S), MP_RADIX_HEX)
sPymbed 0:1387ff3eed4a 268
sPymbed 0:1387ff3eed4a 269 #define s_mp_mul(a, b, c) s_mp_mul_digs(a, b, c, (a)->used + (b)->used + 1)
sPymbed 0:1387ff3eed4a 270
sPymbed 0:1387ff3eed4a 271 #if defined(HAVE_ECC) || defined(WOLFSSL_KEY_GEN) || defined(HAVE_COMP_KEY) || \
sPymbed 0:1387ff3eed4a 272 defined(WOLFSSL_DEBUG_MATH) || defined(DEBUG_WOLFSSL)
sPymbed 0:1387ff3eed4a 273 extern const char *mp_s_rmap;
sPymbed 0:1387ff3eed4a 274 #endif
sPymbed 0:1387ff3eed4a 275
sPymbed 0:1387ff3eed4a 276 /* 6 functions needed by Rsa */
sPymbed 0:1387ff3eed4a 277 MP_API int mp_init (mp_int * a);
sPymbed 0:1387ff3eed4a 278 MP_API void mp_clear (mp_int * a);
sPymbed 0:1387ff3eed4a 279 MP_API void mp_free (mp_int * a);
sPymbed 0:1387ff3eed4a 280 MP_API void mp_forcezero(mp_int * a);
sPymbed 0:1387ff3eed4a 281 MP_API int mp_unsigned_bin_size(mp_int * a);
sPymbed 0:1387ff3eed4a 282 MP_API int mp_read_unsigned_bin (mp_int * a, const unsigned char *b, int c);
sPymbed 0:1387ff3eed4a 283 MP_API int mp_to_unsigned_bin_at_pos(int x, mp_int *t, unsigned char *b);
sPymbed 0:1387ff3eed4a 284 MP_API int mp_to_unsigned_bin (mp_int * a, unsigned char *b);
sPymbed 0:1387ff3eed4a 285 MP_API int mp_exptmod (mp_int * G, mp_int * X, mp_int * P, mp_int * Y);
sPymbed 0:1387ff3eed4a 286 /* end functions needed by Rsa */
sPymbed 0:1387ff3eed4a 287
sPymbed 0:1387ff3eed4a 288 /* functions added to support above needed, removed TOOM and KARATSUBA */
sPymbed 0:1387ff3eed4a 289 MP_API int mp_count_bits (mp_int * a);
sPymbed 0:1387ff3eed4a 290 MP_API int mp_leading_bit (mp_int * a);
sPymbed 0:1387ff3eed4a 291 MP_API int mp_init_copy (mp_int * a, mp_int * b);
sPymbed 0:1387ff3eed4a 292 MP_API int mp_copy (mp_int * a, mp_int * b);
sPymbed 0:1387ff3eed4a 293 MP_API int mp_grow (mp_int * a, int size);
sPymbed 0:1387ff3eed4a 294 MP_API int mp_div_2d (mp_int * a, int b, mp_int * c, mp_int * d);
sPymbed 0:1387ff3eed4a 295 MP_API void mp_zero (mp_int * a);
sPymbed 0:1387ff3eed4a 296 MP_API void mp_clamp (mp_int * a);
sPymbed 0:1387ff3eed4a 297 MP_API void mp_exch (mp_int * a, mp_int * b);
sPymbed 0:1387ff3eed4a 298 MP_API void mp_rshd (mp_int * a, int b);
sPymbed 0:1387ff3eed4a 299 MP_API void mp_rshb (mp_int * a, int b);
sPymbed 0:1387ff3eed4a 300 MP_API int mp_mod_2d (mp_int * a, int b, mp_int * c);
sPymbed 0:1387ff3eed4a 301 MP_API int mp_mul_2d (mp_int * a, int b, mp_int * c);
sPymbed 0:1387ff3eed4a 302 MP_API int mp_lshd (mp_int * a, int b);
sPymbed 0:1387ff3eed4a 303 MP_API int mp_abs (mp_int * a, mp_int * b);
sPymbed 0:1387ff3eed4a 304 MP_API int mp_invmod (mp_int * a, mp_int * b, mp_int * c);
sPymbed 0:1387ff3eed4a 305 int fast_mp_invmod (mp_int * a, mp_int * b, mp_int * c);
sPymbed 0:1387ff3eed4a 306 MP_API int mp_invmod_slow (mp_int * a, mp_int * b, mp_int * c);
sPymbed 0:1387ff3eed4a 307 MP_API int mp_cmp_mag (mp_int * a, mp_int * b);
sPymbed 0:1387ff3eed4a 308 MP_API int mp_cmp (mp_int * a, mp_int * b);
sPymbed 0:1387ff3eed4a 309 MP_API int mp_cmp_d(mp_int * a, mp_digit b);
sPymbed 0:1387ff3eed4a 310 MP_API int mp_set (mp_int * a, mp_digit b);
sPymbed 0:1387ff3eed4a 311 MP_API int mp_is_bit_set (mp_int * a, mp_digit b);
sPymbed 0:1387ff3eed4a 312 MP_API int mp_mod (mp_int * a, mp_int * b, mp_int * c);
sPymbed 0:1387ff3eed4a 313 MP_API int mp_div(mp_int * a, mp_int * b, mp_int * c, mp_int * d);
sPymbed 0:1387ff3eed4a 314 MP_API int mp_div_2(mp_int * a, mp_int * b);
sPymbed 0:1387ff3eed4a 315 MP_API int mp_add (mp_int * a, mp_int * b, mp_int * c);
sPymbed 0:1387ff3eed4a 316 int s_mp_add (mp_int * a, mp_int * b, mp_int * c);
sPymbed 0:1387ff3eed4a 317 int s_mp_sub (mp_int * a, mp_int * b, mp_int * c);
sPymbed 0:1387ff3eed4a 318 MP_API int mp_sub (mp_int * a, mp_int * b, mp_int * c);
sPymbed 0:1387ff3eed4a 319 MP_API int mp_reduce_is_2k_l(mp_int *a);
sPymbed 0:1387ff3eed4a 320 MP_API int mp_reduce_is_2k(mp_int *a);
sPymbed 0:1387ff3eed4a 321 MP_API int mp_dr_is_modulus(mp_int *a);
sPymbed 0:1387ff3eed4a 322 MP_API int mp_exptmod_fast (mp_int * G, mp_int * X, mp_int * P, mp_int * Y,
sPymbed 0:1387ff3eed4a 323 int);
sPymbed 0:1387ff3eed4a 324 MP_API int mp_montgomery_setup (mp_int * n, mp_digit * rho);
sPymbed 0:1387ff3eed4a 325 int fast_mp_montgomery_reduce (mp_int * x, mp_int * n, mp_digit rho);
sPymbed 0:1387ff3eed4a 326 MP_API int mp_montgomery_reduce (mp_int * x, mp_int * n, mp_digit rho);
sPymbed 0:1387ff3eed4a 327 MP_API void mp_dr_setup(mp_int *a, mp_digit *d);
sPymbed 0:1387ff3eed4a 328 MP_API int mp_dr_reduce (mp_int * x, mp_int * n, mp_digit k);
sPymbed 0:1387ff3eed4a 329 MP_API int mp_reduce_2k(mp_int *a, mp_int *n, mp_digit d);
sPymbed 0:1387ff3eed4a 330 int fast_s_mp_mul_high_digs (mp_int * a, mp_int * b, mp_int * c, int digs);
sPymbed 0:1387ff3eed4a 331 int s_mp_mul_high_digs (mp_int * a, mp_int * b, mp_int * c, int digs);
sPymbed 0:1387ff3eed4a 332 MP_API int mp_reduce_2k_setup_l(mp_int *a, mp_int *d);
sPymbed 0:1387ff3eed4a 333 MP_API int mp_reduce_2k_l(mp_int *a, mp_int *n, mp_int *d);
sPymbed 0:1387ff3eed4a 334 MP_API int mp_reduce (mp_int * x, mp_int * m, mp_int * mu);
sPymbed 0:1387ff3eed4a 335 MP_API int mp_reduce_setup (mp_int * a, mp_int * b);
sPymbed 0:1387ff3eed4a 336 int s_mp_exptmod (mp_int * G, mp_int * X, mp_int * P, mp_int * Y, int redmode);
sPymbed 0:1387ff3eed4a 337 MP_API int mp_montgomery_calc_normalization (mp_int * a, mp_int * b);
sPymbed 0:1387ff3eed4a 338 int s_mp_mul_digs (mp_int * a, mp_int * b, mp_int * c, int digs);
sPymbed 0:1387ff3eed4a 339 int s_mp_sqr (mp_int * a, mp_int * b);
sPymbed 0:1387ff3eed4a 340 int fast_s_mp_mul_digs (mp_int * a, mp_int * b, mp_int * c, int digs);
sPymbed 0:1387ff3eed4a 341 int fast_s_mp_sqr (mp_int * a, mp_int * b);
sPymbed 0:1387ff3eed4a 342 MP_API int mp_init_size (mp_int * a, int size);
sPymbed 0:1387ff3eed4a 343 MP_API int mp_div_3 (mp_int * a, mp_int *c, mp_digit * d);
sPymbed 0:1387ff3eed4a 344 MP_API int mp_mul_2(mp_int * a, mp_int * b);
sPymbed 0:1387ff3eed4a 345 MP_API int mp_mul (mp_int * a, mp_int * b, mp_int * c);
sPymbed 0:1387ff3eed4a 346 MP_API int mp_sqr (mp_int * a, mp_int * b);
sPymbed 0:1387ff3eed4a 347 MP_API int mp_mulmod (mp_int * a, mp_int * b, mp_int * c, mp_int * d);
sPymbed 0:1387ff3eed4a 348 MP_API int mp_submod (mp_int* a, mp_int* b, mp_int* c, mp_int* d);
sPymbed 0:1387ff3eed4a 349 MP_API int mp_addmod (mp_int* a, mp_int* b, mp_int* c, mp_int* d);
sPymbed 0:1387ff3eed4a 350 MP_API int mp_mul_d (mp_int * a, mp_digit b, mp_int * c);
sPymbed 0:1387ff3eed4a 351 MP_API int mp_2expt (mp_int * a, int b);
sPymbed 0:1387ff3eed4a 352 MP_API int mp_set_bit (mp_int * a, int b);
sPymbed 0:1387ff3eed4a 353 MP_API int mp_reduce_2k_setup(mp_int *a, mp_digit *d);
sPymbed 0:1387ff3eed4a 354 MP_API int mp_add_d (mp_int* a, mp_digit b, mp_int* c);
sPymbed 0:1387ff3eed4a 355 MP_API int mp_set_int (mp_int * a, unsigned long b);
sPymbed 0:1387ff3eed4a 356 MP_API int mp_sub_d (mp_int * a, mp_digit b, mp_int * c);
sPymbed 0:1387ff3eed4a 357 /* end support added functions */
sPymbed 0:1387ff3eed4a 358
sPymbed 0:1387ff3eed4a 359 /* added */
sPymbed 0:1387ff3eed4a 360 MP_API int mp_init_multi(mp_int* a, mp_int* b, mp_int* c, mp_int* d, mp_int* e,
sPymbed 0:1387ff3eed4a 361 mp_int* f);
sPymbed 0:1387ff3eed4a 362 MP_API int mp_toradix (mp_int *a, char *str, int radix);
sPymbed 0:1387ff3eed4a 363 MP_API int mp_radix_size (mp_int * a, int radix, int *size);
sPymbed 0:1387ff3eed4a 364
sPymbed 0:1387ff3eed4a 365 #ifdef WOLFSSL_DEBUG_MATH
sPymbed 0:1387ff3eed4a 366 MP_API void mp_dump(const char* desc, mp_int* a, byte verbose);
sPymbed 0:1387ff3eed4a 367 #else
sPymbed 0:1387ff3eed4a 368 #define mp_dump(desc, a, verbose)
sPymbed 0:1387ff3eed4a 369 #endif
sPymbed 0:1387ff3eed4a 370
sPymbed 0:1387ff3eed4a 371 #if defined(HAVE_ECC) || defined(WOLFSSL_KEY_GEN)
sPymbed 0:1387ff3eed4a 372 MP_API int mp_sqrmod(mp_int* a, mp_int* b, mp_int* c);
sPymbed 0:1387ff3eed4a 373 #endif
sPymbed 0:1387ff3eed4a 374 #if !defined(NO_DSA) || defined(HAVE_ECC)
sPymbed 0:1387ff3eed4a 375 MP_API int mp_read_radix(mp_int* a, const char* str, int radix);
sPymbed 0:1387ff3eed4a 376 #endif
sPymbed 0:1387ff3eed4a 377
sPymbed 0:1387ff3eed4a 378 #ifdef WOLFSSL_KEY_GEN
sPymbed 0:1387ff3eed4a 379 MP_API int mp_prime_is_prime (mp_int * a, int t, int *result);
sPymbed 0:1387ff3eed4a 380 MP_API int mp_gcd (mp_int * a, mp_int * b, mp_int * c);
sPymbed 0:1387ff3eed4a 381 MP_API int mp_lcm (mp_int * a, mp_int * b, mp_int * c);
sPymbed 0:1387ff3eed4a 382 MP_API int mp_rand_prime(mp_int* N, int len, WC_RNG* rng, void* heap);
sPymbed 0:1387ff3eed4a 383 #endif
sPymbed 0:1387ff3eed4a 384
sPymbed 0:1387ff3eed4a 385 MP_API int mp_cnt_lsb(mp_int *a);
sPymbed 0:1387ff3eed4a 386 MP_API int mp_mod_d(mp_int* a, mp_digit b, mp_digit* c);
sPymbed 0:1387ff3eed4a 387
sPymbed 0:1387ff3eed4a 388
sPymbed 0:1387ff3eed4a 389 /* wolf big int and common functions */
sPymbed 0:1387ff3eed4a 390 #include <wolfcrypt/wolfmath.h>
sPymbed 0:1387ff3eed4a 391
sPymbed 0:1387ff3eed4a 392
sPymbed 0:1387ff3eed4a 393 #ifdef __cplusplus
sPymbed 0:1387ff3eed4a 394 }
sPymbed 0:1387ff3eed4a 395 #endif
sPymbed 0:1387ff3eed4a 396
sPymbed 0:1387ff3eed4a 397
sPymbed 0:1387ff3eed4a 398 #endif /* USE_FAST_MATH */
sPymbed 0:1387ff3eed4a 399
sPymbed 0:1387ff3eed4a 400 #endif /* WOLF_CRYPT_INTEGER_H */
sPymbed 0:1387ff3eed4a 401
sPymbed 0:1387ff3eed4a 402