Xuyi Wang / wolfcrypt

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src/md5.c@0:1387ff3eed4a, 2019-11-20 (annotated)

Committer:
sPymbed
Date:
Wed Nov 20 13:28:01 2019 +0000
Revision:
0:1387ff3eed4a
initial version

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sPymbed 0:1387ff3eed4a 1 /* md5.c
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 #ifdef HAVE_CONFIG_H
sPymbed 0:1387ff3eed4a 25 #include <config.h>
sPymbed 0:1387ff3eed4a 26 #endif
sPymbed 0:1387ff3eed4a 27
sPymbed 0:1387ff3eed4a 28 #include <wolfcrypt/settings.h>
sPymbed 0:1387ff3eed4a 29
sPymbed 0:1387ff3eed4a 30 #if !defined(NO_MD5)
sPymbed 0:1387ff3eed4a 31
sPymbed 0:1387ff3eed4a 32 #if defined(WOLFSSL_TI_HASH)
sPymbed 0:1387ff3eed4a 33 /* #include <wolfcrypt/src/port/ti/ti-hash.c> included by wc_port.c */
sPymbed 0:1387ff3eed4a 34
sPymbed 0:1387ff3eed4a 35 #else
sPymbed 0:1387ff3eed4a 36
sPymbed 0:1387ff3eed4a 37 #include <wolfcrypt/md5.h>
sPymbed 0:1387ff3eed4a 38 #include <wolfcrypt/error-crypt.h>
sPymbed 0:1387ff3eed4a 39 #include <wolfcrypt/logging.h>
sPymbed 0:1387ff3eed4a 40
sPymbed 0:1387ff3eed4a 41 #ifdef NO_INLINE
sPymbed 0:1387ff3eed4a 42 #include <wolfcrypt/misc.h>
sPymbed 0:1387ff3eed4a 43 #else
sPymbed 0:1387ff3eed4a 44 #define WOLFSSL_MISC_INCLUDED
sPymbed 0:1387ff3eed4a 45 #include <wolfcrypt/src/misc.c>
sPymbed 0:1387ff3eed4a 46 #endif
sPymbed 0:1387ff3eed4a 47
sPymbed 0:1387ff3eed4a 48
sPymbed 0:1387ff3eed4a 49 /* Hardware Acceleration */
sPymbed 0:1387ff3eed4a 50 #if defined(STM32_HASH)
sPymbed 0:1387ff3eed4a 51
sPymbed 0:1387ff3eed4a 52 /* Supports CubeMX HAL or Standard Peripheral Library */
sPymbed 0:1387ff3eed4a 53 #define HAVE_MD5_CUST_API
sPymbed 0:1387ff3eed4a 54
sPymbed 0:1387ff3eed4a 55 int wc_InitMd5_ex(wc_Md5* md5, void* heap, int devId)
sPymbed 0:1387ff3eed4a 56 {
sPymbed 0:1387ff3eed4a 57 if (md5 == NULL) {
sPymbed 0:1387ff3eed4a 58 return BAD_FUNC_ARG;
sPymbed 0:1387ff3eed4a 59 }
sPymbed 0:1387ff3eed4a 60
sPymbed 0:1387ff3eed4a 61 (void)devId;
sPymbed 0:1387ff3eed4a 62 (void)heap;
sPymbed 0:1387ff3eed4a 63
sPymbed 0:1387ff3eed4a 64 wc_Stm32_Hash_Init(&md5->stmCtx);
sPymbed 0:1387ff3eed4a 65
sPymbed 0:1387ff3eed4a 66 return 0;
sPymbed 0:1387ff3eed4a 67 }
sPymbed 0:1387ff3eed4a 68
sPymbed 0:1387ff3eed4a 69 int wc_Md5Update(wc_Md5* md5, const byte* data, word32 len)
sPymbed 0:1387ff3eed4a 70 {
sPymbed 0:1387ff3eed4a 71 int ret;
sPymbed 0:1387ff3eed4a 72
sPymbed 0:1387ff3eed4a 73 if (md5 == NULL || (data == NULL && len > 0)) {
sPymbed 0:1387ff3eed4a 74 return BAD_FUNC_ARG;
sPymbed 0:1387ff3eed4a 75 }
sPymbed 0:1387ff3eed4a 76
sPymbed 0:1387ff3eed4a 77 ret = wolfSSL_CryptHwMutexLock();
sPymbed 0:1387ff3eed4a 78 if (ret == 0) {
sPymbed 0:1387ff3eed4a 79 ret = wc_Stm32_Hash_Update(&md5->stmCtx, HASH_AlgoSelection_MD5,
sPymbed 0:1387ff3eed4a 80 data, len);
sPymbed 0:1387ff3eed4a 81 wolfSSL_CryptHwMutexUnLock();
sPymbed 0:1387ff3eed4a 82 }
sPymbed 0:1387ff3eed4a 83 return ret;
sPymbed 0:1387ff3eed4a 84 }
sPymbed 0:1387ff3eed4a 85
sPymbed 0:1387ff3eed4a 86 int wc_Md5Final(wc_Md5* md5, byte* hash)
sPymbed 0:1387ff3eed4a 87 {
sPymbed 0:1387ff3eed4a 88 int ret;
sPymbed 0:1387ff3eed4a 89
sPymbed 0:1387ff3eed4a 90 if (md5 == NULL || hash == NULL) {
sPymbed 0:1387ff3eed4a 91 return BAD_FUNC_ARG;
sPymbed 0:1387ff3eed4a 92 }
sPymbed 0:1387ff3eed4a 93
sPymbed 0:1387ff3eed4a 94 ret = wolfSSL_CryptHwMutexLock();
sPymbed 0:1387ff3eed4a 95 if (ret == 0) {
sPymbed 0:1387ff3eed4a 96 ret = wc_Stm32_Hash_Final(&md5->stmCtx, HASH_AlgoSelection_MD5,
sPymbed 0:1387ff3eed4a 97 hash, WC_MD5_DIGEST_SIZE);
sPymbed 0:1387ff3eed4a 98 wolfSSL_CryptHwMutexUnLock();
sPymbed 0:1387ff3eed4a 99 }
sPymbed 0:1387ff3eed4a 100
sPymbed 0:1387ff3eed4a 101 (void)wc_InitMd5(md5); /* reset state */
sPymbed 0:1387ff3eed4a 102
sPymbed 0:1387ff3eed4a 103 return ret;
sPymbed 0:1387ff3eed4a 104 }
sPymbed 0:1387ff3eed4a 105
sPymbed 0:1387ff3eed4a 106 #elif defined(FREESCALE_MMCAU_SHA)
sPymbed 0:1387ff3eed4a 107 #include "cau_api.h"
sPymbed 0:1387ff3eed4a 108 #define XTRANSFORM(S,B) Transform((S), (B))
sPymbed 0:1387ff3eed4a 109
sPymbed 0:1387ff3eed4a 110 static int Transform(wc_Md5* md5, byte* data)
sPymbed 0:1387ff3eed4a 111 {
sPymbed 0:1387ff3eed4a 112 int ret = wolfSSL_CryptHwMutexLock();
sPymbed 0:1387ff3eed4a 113 if(ret == 0) {
sPymbed 0:1387ff3eed4a 114 #ifdef FREESCALE_MMCAU_CLASSIC_SHA
sPymbed 0:1387ff3eed4a 115 cau_md5_hash_n(data, 1, (unsigned char*)md5->digest);
sPymbed 0:1387ff3eed4a 116 #else
sPymbed 0:1387ff3eed4a 117 MMCAU_MD5_HashN(data, 1, (uint32_t*)md5->digest);
sPymbed 0:1387ff3eed4a 118 #endif
sPymbed 0:1387ff3eed4a 119 wolfSSL_CryptHwMutexUnLock();
sPymbed 0:1387ff3eed4a 120 }
sPymbed 0:1387ff3eed4a 121 return ret;
sPymbed 0:1387ff3eed4a 122 }
sPymbed 0:1387ff3eed4a 123
sPymbed 0:1387ff3eed4a 124 #elif defined(WOLFSSL_PIC32MZ_HASH)
sPymbed 0:1387ff3eed4a 125 #include <wolfssl/wolfcrypt/port/pic32/pic32mz-crypt.h>
sPymbed 0:1387ff3eed4a 126 #define HAVE_MD5_CUST_API
sPymbed 0:1387ff3eed4a 127
sPymbed 0:1387ff3eed4a 128 #elif defined(WOLFSSL_IMX6_CAAM) && !defined(NO_IMX6_CAAM_HASH)
sPymbed 0:1387ff3eed4a 129 /* functions implemented in wolfcrypt/src/port/caam/caam_sha.c */
sPymbed 0:1387ff3eed4a 130 #define HAVE_MD5_CUST_API
sPymbed 0:1387ff3eed4a 131 #else
sPymbed 0:1387ff3eed4a 132 #define NEED_SOFT_MD5
sPymbed 0:1387ff3eed4a 133
sPymbed 0:1387ff3eed4a 134 #endif /* End Hardware Acceleration */
sPymbed 0:1387ff3eed4a 135
sPymbed 0:1387ff3eed4a 136
sPymbed 0:1387ff3eed4a 137 #ifdef NEED_SOFT_MD5
sPymbed 0:1387ff3eed4a 138
sPymbed 0:1387ff3eed4a 139 #define XTRANSFORM(S,B) Transform((S))
sPymbed 0:1387ff3eed4a 140
sPymbed 0:1387ff3eed4a 141 #define F1(x, y, z) (z ^ (x & (y ^ z)))
sPymbed 0:1387ff3eed4a 142 #define F2(x, y, z) F1(z, x, y)
sPymbed 0:1387ff3eed4a 143 #define F3(x, y, z) (x ^ y ^ z)
sPymbed 0:1387ff3eed4a 144 #define F4(x, y, z) (y ^ (x | ~z))
sPymbed 0:1387ff3eed4a 145
sPymbed 0:1387ff3eed4a 146 #define MD5STEP(f, w, x, y, z, data, s) \
sPymbed 0:1387ff3eed4a 147 w = rotlFixed(w + f(x, y, z) + data, s) + x
sPymbed 0:1387ff3eed4a 148
sPymbed 0:1387ff3eed4a 149 static int Transform(wc_Md5* md5)
sPymbed 0:1387ff3eed4a 150 {
sPymbed 0:1387ff3eed4a 151 /* Copy context->state[] to working vars */
sPymbed 0:1387ff3eed4a 152 word32 a = md5->digest[0];
sPymbed 0:1387ff3eed4a 153 word32 b = md5->digest[1];
sPymbed 0:1387ff3eed4a 154 word32 c = md5->digest[2];
sPymbed 0:1387ff3eed4a 155 word32 d = md5->digest[3];
sPymbed 0:1387ff3eed4a 156
sPymbed 0:1387ff3eed4a 157 MD5STEP(F1, a, b, c, d, md5->buffer[0] + 0xd76aa478, 7);
sPymbed 0:1387ff3eed4a 158 MD5STEP(F1, d, a, b, c, md5->buffer[1] + 0xe8c7b756, 12);
sPymbed 0:1387ff3eed4a 159 MD5STEP(F1, c, d, a, b, md5->buffer[2] + 0x242070db, 17);
sPymbed 0:1387ff3eed4a 160 MD5STEP(F1, b, c, d, a, md5->buffer[3] + 0xc1bdceee, 22);
sPymbed 0:1387ff3eed4a 161 MD5STEP(F1, a, b, c, d, md5->buffer[4] + 0xf57c0faf, 7);
sPymbed 0:1387ff3eed4a 162 MD5STEP(F1, d, a, b, c, md5->buffer[5] + 0x4787c62a, 12);
sPymbed 0:1387ff3eed4a 163 MD5STEP(F1, c, d, a, b, md5->buffer[6] + 0xa8304613, 17);
sPymbed 0:1387ff3eed4a 164 MD5STEP(F1, b, c, d, a, md5->buffer[7] + 0xfd469501, 22);
sPymbed 0:1387ff3eed4a 165 MD5STEP(F1, a, b, c, d, md5->buffer[8] + 0x698098d8, 7);
sPymbed 0:1387ff3eed4a 166 MD5STEP(F1, d, a, b, c, md5->buffer[9] + 0x8b44f7af, 12);
sPymbed 0:1387ff3eed4a 167 MD5STEP(F1, c, d, a, b, md5->buffer[10] + 0xffff5bb1, 17);
sPymbed 0:1387ff3eed4a 168 MD5STEP(F1, b, c, d, a, md5->buffer[11] + 0x895cd7be, 22);
sPymbed 0:1387ff3eed4a 169 MD5STEP(F1, a, b, c, d, md5->buffer[12] + 0x6b901122, 7);
sPymbed 0:1387ff3eed4a 170 MD5STEP(F1, d, a, b, c, md5->buffer[13] + 0xfd987193, 12);
sPymbed 0:1387ff3eed4a 171 MD5STEP(F1, c, d, a, b, md5->buffer[14] + 0xa679438e, 17);
sPymbed 0:1387ff3eed4a 172 MD5STEP(F1, b, c, d, a, md5->buffer[15] + 0x49b40821, 22);
sPymbed 0:1387ff3eed4a 173
sPymbed 0:1387ff3eed4a 174 MD5STEP(F2, a, b, c, d, md5->buffer[1] + 0xf61e2562, 5);
sPymbed 0:1387ff3eed4a 175 MD5STEP(F2, d, a, b, c, md5->buffer[6] + 0xc040b340, 9);
sPymbed 0:1387ff3eed4a 176 MD5STEP(F2, c, d, a, b, md5->buffer[11] + 0x265e5a51, 14);
sPymbed 0:1387ff3eed4a 177 MD5STEP(F2, b, c, d, a, md5->buffer[0] + 0xe9b6c7aa, 20);
sPymbed 0:1387ff3eed4a 178 MD5STEP(F2, a, b, c, d, md5->buffer[5] + 0xd62f105d, 5);
sPymbed 0:1387ff3eed4a 179 MD5STEP(F2, d, a, b, c, md5->buffer[10] + 0x02441453, 9);
sPymbed 0:1387ff3eed4a 180 MD5STEP(F2, c, d, a, b, md5->buffer[15] + 0xd8a1e681, 14);
sPymbed 0:1387ff3eed4a 181 MD5STEP(F2, b, c, d, a, md5->buffer[4] + 0xe7d3fbc8, 20);
sPymbed 0:1387ff3eed4a 182 MD5STEP(F2, a, b, c, d, md5->buffer[9] + 0x21e1cde6, 5);
sPymbed 0:1387ff3eed4a 183 MD5STEP(F2, d, a, b, c, md5->buffer[14] + 0xc33707d6, 9);
sPymbed 0:1387ff3eed4a 184 MD5STEP(F2, c, d, a, b, md5->buffer[3] + 0xf4d50d87, 14);
sPymbed 0:1387ff3eed4a 185 MD5STEP(F2, b, c, d, a, md5->buffer[8] + 0x455a14ed, 20);
sPymbed 0:1387ff3eed4a 186 MD5STEP(F2, a, b, c, d, md5->buffer[13] + 0xa9e3e905, 5);
sPymbed 0:1387ff3eed4a 187 MD5STEP(F2, d, a, b, c, md5->buffer[2] + 0xfcefa3f8, 9);
sPymbed 0:1387ff3eed4a 188 MD5STEP(F2, c, d, a, b, md5->buffer[7] + 0x676f02d9, 14);
sPymbed 0:1387ff3eed4a 189 MD5STEP(F2, b, c, d, a, md5->buffer[12] + 0x8d2a4c8a, 20);
sPymbed 0:1387ff3eed4a 190
sPymbed 0:1387ff3eed4a 191 MD5STEP(F3, a, b, c, d, md5->buffer[5] + 0xfffa3942, 4);
sPymbed 0:1387ff3eed4a 192 MD5STEP(F3, d, a, b, c, md5->buffer[8] + 0x8771f681, 11);
sPymbed 0:1387ff3eed4a 193 MD5STEP(F3, c, d, a, b, md5->buffer[11] + 0x6d9d6122, 16);
sPymbed 0:1387ff3eed4a 194 MD5STEP(F3, b, c, d, a, md5->buffer[14] + 0xfde5380c, 23);
sPymbed 0:1387ff3eed4a 195 MD5STEP(F3, a, b, c, d, md5->buffer[1] + 0xa4beea44, 4);
sPymbed 0:1387ff3eed4a 196 MD5STEP(F3, d, a, b, c, md5->buffer[4] + 0x4bdecfa9, 11);
sPymbed 0:1387ff3eed4a 197 MD5STEP(F3, c, d, a, b, md5->buffer[7] + 0xf6bb4b60, 16);
sPymbed 0:1387ff3eed4a 198 MD5STEP(F3, b, c, d, a, md5->buffer[10] + 0xbebfbc70, 23);
sPymbed 0:1387ff3eed4a 199 MD5STEP(F3, a, b, c, d, md5->buffer[13] + 0x289b7ec6, 4);
sPymbed 0:1387ff3eed4a 200 MD5STEP(F3, d, a, b, c, md5->buffer[0] + 0xeaa127fa, 11);
sPymbed 0:1387ff3eed4a 201 MD5STEP(F3, c, d, a, b, md5->buffer[3] + 0xd4ef3085, 16);
sPymbed 0:1387ff3eed4a 202 MD5STEP(F3, b, c, d, a, md5->buffer[6] + 0x04881d05, 23);
sPymbed 0:1387ff3eed4a 203 MD5STEP(F3, a, b, c, d, md5->buffer[9] + 0xd9d4d039, 4);
sPymbed 0:1387ff3eed4a 204 MD5STEP(F3, d, a, b, c, md5->buffer[12] + 0xe6db99e5, 11);
sPymbed 0:1387ff3eed4a 205 MD5STEP(F3, c, d, a, b, md5->buffer[15] + 0x1fa27cf8, 16);
sPymbed 0:1387ff3eed4a 206 MD5STEP(F3, b, c, d, a, md5->buffer[2] + 0xc4ac5665, 23);
sPymbed 0:1387ff3eed4a 207
sPymbed 0:1387ff3eed4a 208 MD5STEP(F4, a, b, c, d, md5->buffer[0] + 0xf4292244, 6);
sPymbed 0:1387ff3eed4a 209 MD5STEP(F4, d, a, b, c, md5->buffer[7] + 0x432aff97, 10);
sPymbed 0:1387ff3eed4a 210 MD5STEP(F4, c, d, a, b, md5->buffer[14] + 0xab9423a7, 15);
sPymbed 0:1387ff3eed4a 211 MD5STEP(F4, b, c, d, a, md5->buffer[5] + 0xfc93a039, 21);
sPymbed 0:1387ff3eed4a 212 MD5STEP(F4, a, b, c, d, md5->buffer[12] + 0x655b59c3, 6);
sPymbed 0:1387ff3eed4a 213 MD5STEP(F4, d, a, b, c, md5->buffer[3] + 0x8f0ccc92, 10);
sPymbed 0:1387ff3eed4a 214 MD5STEP(F4, c, d, a, b, md5->buffer[10] + 0xffeff47d, 15);
sPymbed 0:1387ff3eed4a 215 MD5STEP(F4, b, c, d, a, md5->buffer[1] + 0x85845dd1, 21);
sPymbed 0:1387ff3eed4a 216 MD5STEP(F4, a, b, c, d, md5->buffer[8] + 0x6fa87e4f, 6);
sPymbed 0:1387ff3eed4a 217 MD5STEP(F4, d, a, b, c, md5->buffer[15] + 0xfe2ce6e0, 10);
sPymbed 0:1387ff3eed4a 218 MD5STEP(F4, c, d, a, b, md5->buffer[6] + 0xa3014314, 15);
sPymbed 0:1387ff3eed4a 219 MD5STEP(F4, b, c, d, a, md5->buffer[13] + 0x4e0811a1, 21);
sPymbed 0:1387ff3eed4a 220 MD5STEP(F4, a, b, c, d, md5->buffer[4] + 0xf7537e82, 6);
sPymbed 0:1387ff3eed4a 221 MD5STEP(F4, d, a, b, c, md5->buffer[11] + 0xbd3af235, 10);
sPymbed 0:1387ff3eed4a 222 MD5STEP(F4, c, d, a, b, md5->buffer[2] + 0x2ad7d2bb, 15);
sPymbed 0:1387ff3eed4a 223 MD5STEP(F4, b, c, d, a, md5->buffer[9] + 0xeb86d391, 21);
sPymbed 0:1387ff3eed4a 224
sPymbed 0:1387ff3eed4a 225 /* Add the working vars back into digest state[] */
sPymbed 0:1387ff3eed4a 226 md5->digest[0] += a;
sPymbed 0:1387ff3eed4a 227 md5->digest[1] += b;
sPymbed 0:1387ff3eed4a 228 md5->digest[2] += c;
sPymbed 0:1387ff3eed4a 229 md5->digest[3] += d;
sPymbed 0:1387ff3eed4a 230
sPymbed 0:1387ff3eed4a 231 return 0;
sPymbed 0:1387ff3eed4a 232 }
sPymbed 0:1387ff3eed4a 233 #endif /* NEED_SOFT_MD5 */
sPymbed 0:1387ff3eed4a 234
sPymbed 0:1387ff3eed4a 235 #ifndef HAVE_MD5_CUST_API
sPymbed 0:1387ff3eed4a 236
sPymbed 0:1387ff3eed4a 237 static WC_INLINE void AddLength(wc_Md5* md5, word32 len)
sPymbed 0:1387ff3eed4a 238 {
sPymbed 0:1387ff3eed4a 239 word32 tmp = md5->loLen;
sPymbed 0:1387ff3eed4a 240 if ((md5->loLen += len) < tmp) {
sPymbed 0:1387ff3eed4a 241 md5->hiLen++; /* carry low to high */
sPymbed 0:1387ff3eed4a 242 }
sPymbed 0:1387ff3eed4a 243 }
sPymbed 0:1387ff3eed4a 244
sPymbed 0:1387ff3eed4a 245 static int _InitMd5(wc_Md5* md5)
sPymbed 0:1387ff3eed4a 246 {
sPymbed 0:1387ff3eed4a 247 int ret = 0;
sPymbed 0:1387ff3eed4a 248
sPymbed 0:1387ff3eed4a 249 md5->digest[0] = 0x67452301L;
sPymbed 0:1387ff3eed4a 250 md5->digest[1] = 0xefcdab89L;
sPymbed 0:1387ff3eed4a 251 md5->digest[2] = 0x98badcfeL;
sPymbed 0:1387ff3eed4a 252 md5->digest[3] = 0x10325476L;
sPymbed 0:1387ff3eed4a 253
sPymbed 0:1387ff3eed4a 254 md5->buffLen = 0;
sPymbed 0:1387ff3eed4a 255 md5->loLen = 0;
sPymbed 0:1387ff3eed4a 256 md5->hiLen = 0;
sPymbed 0:1387ff3eed4a 257
sPymbed 0:1387ff3eed4a 258 return ret;
sPymbed 0:1387ff3eed4a 259 }
sPymbed 0:1387ff3eed4a 260
sPymbed 0:1387ff3eed4a 261 int wc_InitMd5_ex(wc_Md5* md5, void* heap, int devId)
sPymbed 0:1387ff3eed4a 262 {
sPymbed 0:1387ff3eed4a 263 int ret = 0;
sPymbed 0:1387ff3eed4a 264
sPymbed 0:1387ff3eed4a 265 if (md5 == NULL)
sPymbed 0:1387ff3eed4a 266 return BAD_FUNC_ARG;
sPymbed 0:1387ff3eed4a 267
sPymbed 0:1387ff3eed4a 268 md5->heap = heap;
sPymbed 0:1387ff3eed4a 269
sPymbed 0:1387ff3eed4a 270 ret = _InitMd5(md5);
sPymbed 0:1387ff3eed4a 271 if (ret != 0)
sPymbed 0:1387ff3eed4a 272 return ret;
sPymbed 0:1387ff3eed4a 273
sPymbed 0:1387ff3eed4a 274 #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_MD5)
sPymbed 0:1387ff3eed4a 275 ret = wolfAsync_DevCtxInit(&md5->asyncDev, WOLFSSL_ASYNC_MARKER_MD5,
sPymbed 0:1387ff3eed4a 276 md5->heap, devId);
sPymbed 0:1387ff3eed4a 277 #else
sPymbed 0:1387ff3eed4a 278 (void)devId;
sPymbed 0:1387ff3eed4a 279 #endif
sPymbed 0:1387ff3eed4a 280 return ret;
sPymbed 0:1387ff3eed4a 281 }
sPymbed 0:1387ff3eed4a 282
sPymbed 0:1387ff3eed4a 283 int wc_Md5Update(wc_Md5* md5, const byte* data, word32 len)
sPymbed 0:1387ff3eed4a 284 {
sPymbed 0:1387ff3eed4a 285 int ret = 0;
sPymbed 0:1387ff3eed4a 286 byte* local;
sPymbed 0:1387ff3eed4a 287
sPymbed 0:1387ff3eed4a 288 if (md5 == NULL || (data == NULL && len > 0)) {
sPymbed 0:1387ff3eed4a 289 return BAD_FUNC_ARG;
sPymbed 0:1387ff3eed4a 290 }
sPymbed 0:1387ff3eed4a 291
sPymbed 0:1387ff3eed4a 292 #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_MD5)
sPymbed 0:1387ff3eed4a 293 if (md5->asyncDev.marker == WOLFSSL_ASYNC_MARKER_MD5) {
sPymbed 0:1387ff3eed4a 294 #if defined(HAVE_INTEL_QA)
sPymbed 0:1387ff3eed4a 295 return IntelQaSymMd5(&md5->asyncDev, NULL, data, len);
sPymbed 0:1387ff3eed4a 296 #endif
sPymbed 0:1387ff3eed4a 297 }
sPymbed 0:1387ff3eed4a 298 #endif /* WOLFSSL_ASYNC_CRYPT */
sPymbed 0:1387ff3eed4a 299
sPymbed 0:1387ff3eed4a 300 /* do block size increments */
sPymbed 0:1387ff3eed4a 301 local = (byte*)md5->buffer;
sPymbed 0:1387ff3eed4a 302
sPymbed 0:1387ff3eed4a 303 /* check that internal buffLen is valid */
sPymbed 0:1387ff3eed4a 304 if (md5->buffLen >= WC_MD5_BLOCK_SIZE)
sPymbed 0:1387ff3eed4a 305 return BUFFER_E;
sPymbed 0:1387ff3eed4a 306
sPymbed 0:1387ff3eed4a 307 while (len) {
sPymbed 0:1387ff3eed4a 308 word32 add = min(len, WC_MD5_BLOCK_SIZE - md5->buffLen);
sPymbed 0:1387ff3eed4a 309 XMEMCPY(&local[md5->buffLen], data, add);
sPymbed 0:1387ff3eed4a 310
sPymbed 0:1387ff3eed4a 311 md5->buffLen += add;
sPymbed 0:1387ff3eed4a 312 data += add;
sPymbed 0:1387ff3eed4a 313 len -= add;
sPymbed 0:1387ff3eed4a 314
sPymbed 0:1387ff3eed4a 315 if (md5->buffLen == WC_MD5_BLOCK_SIZE) {
sPymbed 0:1387ff3eed4a 316 #if defined(BIG_ENDIAN_ORDER) && !defined(FREESCALE_MMCAU_SHA)
sPymbed 0:1387ff3eed4a 317 ByteReverseWords(md5->buffer, md5->buffer, WC_MD5_BLOCK_SIZE);
sPymbed 0:1387ff3eed4a 318 #endif
sPymbed 0:1387ff3eed4a 319 XTRANSFORM(md5, local);
sPymbed 0:1387ff3eed4a 320 AddLength(md5, WC_MD5_BLOCK_SIZE);
sPymbed 0:1387ff3eed4a 321 md5->buffLen = 0;
sPymbed 0:1387ff3eed4a 322 }
sPymbed 0:1387ff3eed4a 323 }
sPymbed 0:1387ff3eed4a 324 return ret;
sPymbed 0:1387ff3eed4a 325 }
sPymbed 0:1387ff3eed4a 326
sPymbed 0:1387ff3eed4a 327 int wc_Md5Final(wc_Md5* md5, byte* hash)
sPymbed 0:1387ff3eed4a 328 {
sPymbed 0:1387ff3eed4a 329 byte* local;
sPymbed 0:1387ff3eed4a 330
sPymbed 0:1387ff3eed4a 331 if (md5 == NULL || hash == NULL) {
sPymbed 0:1387ff3eed4a 332 return BAD_FUNC_ARG;
sPymbed 0:1387ff3eed4a 333 }
sPymbed 0:1387ff3eed4a 334
sPymbed 0:1387ff3eed4a 335 #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_MD5)
sPymbed 0:1387ff3eed4a 336 if (md5->asyncDev.marker == WOLFSSL_ASYNC_MARKER_MD5) {
sPymbed 0:1387ff3eed4a 337 #if defined(HAVE_INTEL_QA)
sPymbed 0:1387ff3eed4a 338 return IntelQaSymMd5(&md5->asyncDev, hash, NULL, WC_MD5_DIGEST_SIZE);
sPymbed 0:1387ff3eed4a 339 #endif
sPymbed 0:1387ff3eed4a 340 }
sPymbed 0:1387ff3eed4a 341 #endif /* WOLFSSL_ASYNC_CRYPT */
sPymbed 0:1387ff3eed4a 342
sPymbed 0:1387ff3eed4a 343 local = (byte*)md5->buffer;
sPymbed 0:1387ff3eed4a 344
sPymbed 0:1387ff3eed4a 345 AddLength(md5, md5->buffLen); /* before adding pads */
sPymbed 0:1387ff3eed4a 346 local[md5->buffLen++] = 0x80; /* add 1 */
sPymbed 0:1387ff3eed4a 347
sPymbed 0:1387ff3eed4a 348 /* pad with zeros */
sPymbed 0:1387ff3eed4a 349 if (md5->buffLen > WC_MD5_PAD_SIZE) {
sPymbed 0:1387ff3eed4a 350 XMEMSET(&local[md5->buffLen], 0, WC_MD5_BLOCK_SIZE - md5->buffLen);
sPymbed 0:1387ff3eed4a 351 md5->buffLen += WC_MD5_BLOCK_SIZE - md5->buffLen;
sPymbed 0:1387ff3eed4a 352
sPymbed 0:1387ff3eed4a 353 #if defined(BIG_ENDIAN_ORDER) && !defined(FREESCALE_MMCAU_SHA)
sPymbed 0:1387ff3eed4a 354 ByteReverseWords(md5->buffer, md5->buffer, WC_MD5_BLOCK_SIZE);
sPymbed 0:1387ff3eed4a 355 #endif
sPymbed 0:1387ff3eed4a 356 XTRANSFORM(md5, local);
sPymbed 0:1387ff3eed4a 357 md5->buffLen = 0;
sPymbed 0:1387ff3eed4a 358 }
sPymbed 0:1387ff3eed4a 359 XMEMSET(&local[md5->buffLen], 0, WC_MD5_PAD_SIZE - md5->buffLen);
sPymbed 0:1387ff3eed4a 360
sPymbed 0:1387ff3eed4a 361 #if defined(BIG_ENDIAN_ORDER) && !defined(FREESCALE_MMCAU_SHA)
sPymbed 0:1387ff3eed4a 362 ByteReverseWords(md5->buffer, md5->buffer, WC_MD5_BLOCK_SIZE);
sPymbed 0:1387ff3eed4a 363 #endif
sPymbed 0:1387ff3eed4a 364
sPymbed 0:1387ff3eed4a 365 /* put lengths in bits */
sPymbed 0:1387ff3eed4a 366 md5->hiLen = (md5->loLen >> (8*sizeof(md5->loLen) - 3)) +
sPymbed 0:1387ff3eed4a 367 (md5->hiLen << 3);
sPymbed 0:1387ff3eed4a 368 md5->loLen = md5->loLen << 3;
sPymbed 0:1387ff3eed4a 369
sPymbed 0:1387ff3eed4a 370 /* store lengths */
sPymbed 0:1387ff3eed4a 371 /* ! length ordering dependent on digest endian type ! */
sPymbed 0:1387ff3eed4a 372 XMEMCPY(&local[WC_MD5_PAD_SIZE], &md5->loLen, sizeof(word32));
sPymbed 0:1387ff3eed4a 373 XMEMCPY(&local[WC_MD5_PAD_SIZE + sizeof(word32)], &md5->hiLen, sizeof(word32));
sPymbed 0:1387ff3eed4a 374
sPymbed 0:1387ff3eed4a 375 /* final transform and result to hash */
sPymbed 0:1387ff3eed4a 376 XTRANSFORM(md5, local);
sPymbed 0:1387ff3eed4a 377 #ifdef BIG_ENDIAN_ORDER
sPymbed 0:1387ff3eed4a 378 ByteReverseWords(md5->digest, md5->digest, WC_MD5_DIGEST_SIZE);
sPymbed 0:1387ff3eed4a 379 #endif
sPymbed 0:1387ff3eed4a 380 XMEMCPY(hash, md5->digest, WC_MD5_DIGEST_SIZE);
sPymbed 0:1387ff3eed4a 381
sPymbed 0:1387ff3eed4a 382 return _InitMd5(md5); /* reset state */
sPymbed 0:1387ff3eed4a 383 }
sPymbed 0:1387ff3eed4a 384 #endif /* !HAVE_MD5_CUST_API */
sPymbed 0:1387ff3eed4a 385
sPymbed 0:1387ff3eed4a 386
sPymbed 0:1387ff3eed4a 387 int wc_InitMd5(wc_Md5* md5)
sPymbed 0:1387ff3eed4a 388 {
sPymbed 0:1387ff3eed4a 389 if (md5 == NULL) {
sPymbed 0:1387ff3eed4a 390 return BAD_FUNC_ARG;
sPymbed 0:1387ff3eed4a 391 }
sPymbed 0:1387ff3eed4a 392 return wc_InitMd5_ex(md5, NULL, INVALID_DEVID);
sPymbed 0:1387ff3eed4a 393 }
sPymbed 0:1387ff3eed4a 394
sPymbed 0:1387ff3eed4a 395 void wc_Md5Free(wc_Md5* md5)
sPymbed 0:1387ff3eed4a 396 {
sPymbed 0:1387ff3eed4a 397 if (md5 == NULL)
sPymbed 0:1387ff3eed4a 398 return;
sPymbed 0:1387ff3eed4a 399 #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_MD5)
sPymbed 0:1387ff3eed4a 400 wolfAsync_DevCtxFree(&md5->asyncDev, WOLFSSL_ASYNC_MARKER_MD5);
sPymbed 0:1387ff3eed4a 401 #endif /* WOLFSSL_ASYNC_CRYPT */
sPymbed 0:1387ff3eed4a 402 }
sPymbed 0:1387ff3eed4a 403
sPymbed 0:1387ff3eed4a 404 int wc_Md5GetHash(wc_Md5* md5, byte* hash)
sPymbed 0:1387ff3eed4a 405 {
sPymbed 0:1387ff3eed4a 406 int ret;
sPymbed 0:1387ff3eed4a 407 wc_Md5 tmpMd5;
sPymbed 0:1387ff3eed4a 408
sPymbed 0:1387ff3eed4a 409 if (md5 == NULL || hash == NULL)
sPymbed 0:1387ff3eed4a 410 return BAD_FUNC_ARG;
sPymbed 0:1387ff3eed4a 411
sPymbed 0:1387ff3eed4a 412 ret = wc_Md5Copy(md5, &tmpMd5);
sPymbed 0:1387ff3eed4a 413 if (ret == 0) {
sPymbed 0:1387ff3eed4a 414 ret = wc_Md5Final(&tmpMd5, hash);
sPymbed 0:1387ff3eed4a 415 }
sPymbed 0:1387ff3eed4a 416
sPymbed 0:1387ff3eed4a 417 return ret;
sPymbed 0:1387ff3eed4a 418 }
sPymbed 0:1387ff3eed4a 419
sPymbed 0:1387ff3eed4a 420 int wc_Md5Copy(wc_Md5* src, wc_Md5* dst)
sPymbed 0:1387ff3eed4a 421 {
sPymbed 0:1387ff3eed4a 422 int ret = 0;
sPymbed 0:1387ff3eed4a 423
sPymbed 0:1387ff3eed4a 424 if (src == NULL || dst == NULL)
sPymbed 0:1387ff3eed4a 425 return BAD_FUNC_ARG;
sPymbed 0:1387ff3eed4a 426
sPymbed 0:1387ff3eed4a 427 XMEMCPY(dst, src, sizeof(wc_Md5));
sPymbed 0:1387ff3eed4a 428
sPymbed 0:1387ff3eed4a 429 #ifdef WOLFSSL_ASYNC_CRYPT
sPymbed 0:1387ff3eed4a 430 ret = wolfAsync_DevCopy(&src->asyncDev, &dst->asyncDev);
sPymbed 0:1387ff3eed4a 431 #endif
sPymbed 0:1387ff3eed4a 432 #ifdef WOLFSSL_PIC32MZ_HASH
sPymbed 0:1387ff3eed4a 433 ret = wc_Pic32HashCopy(&src->cache, &dst->cache);
sPymbed 0:1387ff3eed4a 434 #endif
sPymbed 0:1387ff3eed4a 435
sPymbed 0:1387ff3eed4a 436 return ret;
sPymbed 0:1387ff3eed4a 437 }
sPymbed 0:1387ff3eed4a 438
sPymbed 0:1387ff3eed4a 439 #endif /* WOLFSSL_TI_HASH */
sPymbed 0:1387ff3eed4a 440 #endif /* NO_MD5 */
sPymbed 0:1387ff3eed4a 441