1 | /* md5.c
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2 | *
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3 | * Copyright (C) 2006-2017 wolfSSL Inc.
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4 | *
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5 | * This file is part of wolfSSL.
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6 | *
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7 | * wolfSSL is free software; you can redistribute it and/or modify
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8 | * it under the terms of the GNU General Public License as published by
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9 | * the Free Software Foundation; either version 2 of the License, or
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10 | * (at your option) any later version.
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11 | *
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12 | * wolfSSL is distributed in the hope that it will be useful,
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13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 | * GNU General Public License for more details.
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16 | *
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17 | * You should have received a copy of the GNU General Public License
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18 | * along with this program; if not, write to the Free Software
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19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
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20 | */
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21 |
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22 |
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23 |
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24 | #ifdef HAVE_CONFIG_H
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25 | #include <config.h>
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26 | #endif
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27 |
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28 | #include <wolfssl/wolfcrypt/settings.h>
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29 |
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30 | #if !defined(NO_MD5)
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31 |
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32 | #if defined(WOLFSSL_TI_HASH)
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33 | /* #include <wolfcrypt/src/port/ti/ti-hash.c> included by wc_port.c */
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34 |
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35 | #else
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36 |
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37 | #include <wolfssl/wolfcrypt/md5.h>
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38 | #include <wolfssl/wolfcrypt/error-crypt.h>
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39 | #include <wolfssl/wolfcrypt/logging.h>
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40 |
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41 | #ifdef NO_INLINE
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42 | #include <wolfssl/wolfcrypt/misc.h>
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43 | #else
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44 | #define WOLFSSL_MISC_INCLUDED
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45 | #include <wolfcrypt/src/misc.c>
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46 | #endif
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47 |
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48 |
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49 | /* Hardware Acceleration */
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50 | #if defined(STM32_HASH)
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51 |
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52 | /* Supports CubeMX HAL or Standard Peripheral Library */
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53 | #define HAVE_MD5_CUST_API
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54 |
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55 | int wc_InitMd5_ex(wc_Md5* md5, void* heap, int devId)
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56 | {
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57 | if (md5 == NULL) {
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58 | return BAD_FUNC_ARG;
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59 | }
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60 |
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61 | (void)devId;
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62 | (void)heap;
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63 |
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64 | wc_Stm32_Hash_Init(&md5->stmCtx);
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65 |
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66 | return 0;
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67 | }
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68 |
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69 | int wc_Md5Update(wc_Md5* md5, const byte* data, word32 len)
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70 | {
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71 | int ret;
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72 |
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73 | if (md5 == NULL || (data == NULL && len > 0)) {
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74 | return BAD_FUNC_ARG;
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75 | }
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76 |
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77 | ret = wolfSSL_CryptHwMutexLock();
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78 | if (ret == 0) {
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79 | ret = wc_Stm32_Hash_Update(&md5->stmCtx, HASH_AlgoSelection_MD5,
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80 | data, len);
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81 | wolfSSL_CryptHwMutexUnLock();
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82 | }
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83 | return ret;
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84 | }
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85 |
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86 | int wc_Md5Final(wc_Md5* md5, byte* hash)
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87 | {
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88 | int ret;
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89 |
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90 | if (md5 == NULL || hash == NULL) {
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91 | return BAD_FUNC_ARG;
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92 | }
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93 |
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94 | ret = wolfSSL_CryptHwMutexLock();
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95 | if (ret == 0) {
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96 | ret = wc_Stm32_Hash_Final(&md5->stmCtx, HASH_AlgoSelection_MD5,
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97 | hash, WC_MD5_DIGEST_SIZE);
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98 | wolfSSL_CryptHwMutexUnLock();
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99 | }
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100 |
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101 | (void)wc_InitMd5(md5); /* reset state */
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102 |
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103 | return ret;
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104 | }
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105 |
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106 | #elif defined(FREESCALE_MMCAU_SHA)
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107 | #include "cau_api.h"
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108 | #define XTRANSFORM(S,B) Transform((S), (B))
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109 |
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110 | static int Transform(wc_Md5* md5, byte* data)
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111 | {
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112 | int ret = wolfSSL_CryptHwMutexLock();
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113 | if(ret == 0) {
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114 | #ifdef FREESCALE_MMCAU_CLASSIC_SHA
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115 | cau_md5_hash_n(data, 1, (unsigned char*)md5->digest);
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116 | #else
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117 | MMCAU_MD5_HashN(data, 1, (uint32_t*)md5->digest);
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118 | #endif
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119 | wolfSSL_CryptHwMutexUnLock();
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120 | }
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121 | return ret;
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122 | }
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123 |
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124 | #elif defined(WOLFSSL_PIC32MZ_HASH)
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125 | #include <wolfssl/wolfcrypt/port/pic32/pic32mz-crypt.h>
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126 | #define HAVE_MD5_CUST_API
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127 |
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128 | #elif defined(WOLFSSL_IMX6_CAAM) && !defined(NO_IMX6_CAAM_HASH)
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129 | /* functions implemented in wolfcrypt/src/port/caam/caam_sha.c */
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130 | #define HAVE_MD5_CUST_API
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131 | #else
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132 | #define NEED_SOFT_MD5
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133 |
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134 | #endif /* End Hardware Acceleration */
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135 |
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136 |
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137 | #ifdef NEED_SOFT_MD5
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138 |
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139 | #define XTRANSFORM(S,B) Transform((S))
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140 |
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141 | #define F1(x, y, z) (z ^ (x & (y ^ z)))
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142 | #define F2(x, y, z) F1(z, x, y)
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143 | #define F3(x, y, z) (x ^ y ^ z)
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144 | #define F4(x, y, z) (y ^ (x | ~z))
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145 |
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146 | #define MD5STEP(f, w, x, y, z, data, s) \
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147 | w = rotlFixed(w + f(x, y, z) + data, s) + x
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148 |
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149 | static int Transform(wc_Md5* md5)
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150 | {
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151 | /* Copy context->state[] to working vars */
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152 | word32 a = md5->digest[0];
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153 | word32 b = md5->digest[1];
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154 | word32 c = md5->digest[2];
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155 | word32 d = md5->digest[3];
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156 |
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157 | MD5STEP(F1, a, b, c, d, md5->buffer[0] + 0xd76aa478, 7);
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158 | MD5STEP(F1, d, a, b, c, md5->buffer[1] + 0xe8c7b756, 12);
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159 | MD5STEP(F1, c, d, a, b, md5->buffer[2] + 0x242070db, 17);
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160 | MD5STEP(F1, b, c, d, a, md5->buffer[3] + 0xc1bdceee, 22);
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161 | MD5STEP(F1, a, b, c, d, md5->buffer[4] + 0xf57c0faf, 7);
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162 | MD5STEP(F1, d, a, b, c, md5->buffer[5] + 0x4787c62a, 12);
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163 | MD5STEP(F1, c, d, a, b, md5->buffer[6] + 0xa8304613, 17);
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164 | MD5STEP(F1, b, c, d, a, md5->buffer[7] + 0xfd469501, 22);
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165 | MD5STEP(F1, a, b, c, d, md5->buffer[8] + 0x698098d8, 7);
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166 | MD5STEP(F1, d, a, b, c, md5->buffer[9] + 0x8b44f7af, 12);
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167 | MD5STEP(F1, c, d, a, b, md5->buffer[10] + 0xffff5bb1, 17);
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168 | MD5STEP(F1, b, c, d, a, md5->buffer[11] + 0x895cd7be, 22);
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169 | MD5STEP(F1, a, b, c, d, md5->buffer[12] + 0x6b901122, 7);
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170 | MD5STEP(F1, d, a, b, c, md5->buffer[13] + 0xfd987193, 12);
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171 | MD5STEP(F1, c, d, a, b, md5->buffer[14] + 0xa679438e, 17);
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172 | MD5STEP(F1, b, c, d, a, md5->buffer[15] + 0x49b40821, 22);
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173 |
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174 | MD5STEP(F2, a, b, c, d, md5->buffer[1] + 0xf61e2562, 5);
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175 | MD5STEP(F2, d, a, b, c, md5->buffer[6] + 0xc040b340, 9);
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176 | MD5STEP(F2, c, d, a, b, md5->buffer[11] + 0x265e5a51, 14);
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177 | MD5STEP(F2, b, c, d, a, md5->buffer[0] + 0xe9b6c7aa, 20);
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178 | MD5STEP(F2, a, b, c, d, md5->buffer[5] + 0xd62f105d, 5);
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179 | MD5STEP(F2, d, a, b, c, md5->buffer[10] + 0x02441453, 9);
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180 | MD5STEP(F2, c, d, a, b, md5->buffer[15] + 0xd8a1e681, 14);
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181 | MD5STEP(F2, b, c, d, a, md5->buffer[4] + 0xe7d3fbc8, 20);
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182 | MD5STEP(F2, a, b, c, d, md5->buffer[9] + 0x21e1cde6, 5);
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183 | MD5STEP(F2, d, a, b, c, md5->buffer[14] + 0xc33707d6, 9);
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184 | MD5STEP(F2, c, d, a, b, md5->buffer[3] + 0xf4d50d87, 14);
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185 | MD5STEP(F2, b, c, d, a, md5->buffer[8] + 0x455a14ed, 20);
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186 | MD5STEP(F2, a, b, c, d, md5->buffer[13] + 0xa9e3e905, 5);
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187 | MD5STEP(F2, d, a, b, c, md5->buffer[2] + 0xfcefa3f8, 9);
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188 | MD5STEP(F2, c, d, a, b, md5->buffer[7] + 0x676f02d9, 14);
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189 | MD5STEP(F2, b, c, d, a, md5->buffer[12] + 0x8d2a4c8a, 20);
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190 |
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191 | MD5STEP(F3, a, b, c, d, md5->buffer[5] + 0xfffa3942, 4);
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192 | MD5STEP(F3, d, a, b, c, md5->buffer[8] + 0x8771f681, 11);
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193 | MD5STEP(F3, c, d, a, b, md5->buffer[11] + 0x6d9d6122, 16);
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194 | MD5STEP(F3, b, c, d, a, md5->buffer[14] + 0xfde5380c, 23);
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195 | MD5STEP(F3, a, b, c, d, md5->buffer[1] + 0xa4beea44, 4);
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196 | MD5STEP(F3, d, a, b, c, md5->buffer[4] + 0x4bdecfa9, 11);
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197 | MD5STEP(F3, c, d, a, b, md5->buffer[7] + 0xf6bb4b60, 16);
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198 | MD5STEP(F3, b, c, d, a, md5->buffer[10] + 0xbebfbc70, 23);
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199 | MD5STEP(F3, a, b, c, d, md5->buffer[13] + 0x289b7ec6, 4);
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200 | MD5STEP(F3, d, a, b, c, md5->buffer[0] + 0xeaa127fa, 11);
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201 | MD5STEP(F3, c, d, a, b, md5->buffer[3] + 0xd4ef3085, 16);
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202 | MD5STEP(F3, b, c, d, a, md5->buffer[6] + 0x04881d05, 23);
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203 | MD5STEP(F3, a, b, c, d, md5->buffer[9] + 0xd9d4d039, 4);
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204 | MD5STEP(F3, d, a, b, c, md5->buffer[12] + 0xe6db99e5, 11);
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205 | MD5STEP(F3, c, d, a, b, md5->buffer[15] + 0x1fa27cf8, 16);
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206 | MD5STEP(F3, b, c, d, a, md5->buffer[2] + 0xc4ac5665, 23);
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207 |
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208 | MD5STEP(F4, a, b, c, d, md5->buffer[0] + 0xf4292244, 6);
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209 | MD5STEP(F4, d, a, b, c, md5->buffer[7] + 0x432aff97, 10);
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210 | MD5STEP(F4, c, d, a, b, md5->buffer[14] + 0xab9423a7, 15);
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211 | MD5STEP(F4, b, c, d, a, md5->buffer[5] + 0xfc93a039, 21);
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212 | MD5STEP(F4, a, b, c, d, md5->buffer[12] + 0x655b59c3, 6);
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213 | MD5STEP(F4, d, a, b, c, md5->buffer[3] + 0x8f0ccc92, 10);
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214 | MD5STEP(F4, c, d, a, b, md5->buffer[10] + 0xffeff47d, 15);
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215 | MD5STEP(F4, b, c, d, a, md5->buffer[1] + 0x85845dd1, 21);
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216 | MD5STEP(F4, a, b, c, d, md5->buffer[8] + 0x6fa87e4f, 6);
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217 | MD5STEP(F4, d, a, b, c, md5->buffer[15] + 0xfe2ce6e0, 10);
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218 | MD5STEP(F4, c, d, a, b, md5->buffer[6] + 0xa3014314, 15);
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219 | MD5STEP(F4, b, c, d, a, md5->buffer[13] + 0x4e0811a1, 21);
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220 | MD5STEP(F4, a, b, c, d, md5->buffer[4] + 0xf7537e82, 6);
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221 | MD5STEP(F4, d, a, b, c, md5->buffer[11] + 0xbd3af235, 10);
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222 | MD5STEP(F4, c, d, a, b, md5->buffer[2] + 0x2ad7d2bb, 15);
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223 | MD5STEP(F4, b, c, d, a, md5->buffer[9] + 0xeb86d391, 21);
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224 |
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225 | /* Add the working vars back into digest state[] */
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226 | md5->digest[0] += a;
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227 | md5->digest[1] += b;
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228 | md5->digest[2] += c;
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229 | md5->digest[3] += d;
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230 |
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231 | return 0;
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232 | }
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233 | #endif /* NEED_SOFT_MD5 */
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234 |
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235 | #ifndef HAVE_MD5_CUST_API
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236 |
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237 | static WC_INLINE void AddLength(wc_Md5* md5, word32 len)
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238 | {
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239 | word32 tmp = md5->loLen;
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240 | if ((md5->loLen += len) < tmp) {
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241 | md5->hiLen++; /* carry low to high */
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242 | }
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243 | }
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244 |
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245 | static int _InitMd5(wc_Md5* md5)
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246 | {
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247 | int ret = 0;
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248 |
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249 | md5->digest[0] = 0x67452301L;
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250 | md5->digest[1] = 0xefcdab89L;
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251 | md5->digest[2] = 0x98badcfeL;
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252 | md5->digest[3] = 0x10325476L;
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253 |
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254 | md5->buffLen = 0;
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255 | md5->loLen = 0;
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256 | md5->hiLen = 0;
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257 |
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258 | return ret;
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259 | }
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260 |
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261 | int wc_InitMd5_ex(wc_Md5* md5, void* heap, int devId)
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262 | {
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263 | int ret = 0;
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264 |
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265 | if (md5 == NULL)
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266 | return BAD_FUNC_ARG;
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267 |
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268 | md5->heap = heap;
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269 |
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270 | ret = _InitMd5(md5);
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271 | if (ret != 0)
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272 | return ret;
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273 |
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274 | #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_MD5)
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275 | ret = wolfAsync_DevCtxInit(&md5->asyncDev, WOLFSSL_ASYNC_MARKER_MD5,
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276 | md5->heap, devId);
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277 | #else
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278 | (void)devId;
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279 | #endif
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280 | return ret;
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281 | }
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282 |
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283 | int wc_Md5Update(wc_Md5* md5, const byte* data, word32 len)
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284 | {
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285 | int ret = 0;
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286 | byte* local;
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287 |
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288 | if (md5 == NULL || (data == NULL && len > 0)) {
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289 | return BAD_FUNC_ARG;
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290 | }
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291 |
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292 | #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_MD5)
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293 | if (md5->asyncDev.marker == WOLFSSL_ASYNC_MARKER_MD5) {
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294 | #if defined(HAVE_INTEL_QA)
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295 | return IntelQaSymMd5(&md5->asyncDev, NULL, data, len);
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296 | #endif
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297 | }
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298 | #endif /* WOLFSSL_ASYNC_CRYPT */
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299 |
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300 | /* do block size increments */
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301 | local = (byte*)md5->buffer;
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302 |
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303 | /* check that internal buffLen is valid */
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304 | if (md5->buffLen >= WC_MD5_BLOCK_SIZE)
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305 | return BUFFER_E;
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306 |
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307 | while (len) {
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308 | word32 add = min(len, WC_MD5_BLOCK_SIZE - md5->buffLen);
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309 | XMEMCPY(&local[md5->buffLen], data, add);
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310 |
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311 | md5->buffLen += add;
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312 | data += add;
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313 | len -= add;
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314 |
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315 | if (md5->buffLen == WC_MD5_BLOCK_SIZE) {
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316 | #if defined(BIG_ENDIAN_ORDER) && !defined(FREESCALE_MMCAU_SHA)
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317 | ByteReverseWords(md5->buffer, md5->buffer, WC_MD5_BLOCK_SIZE);
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318 | #endif
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319 | XTRANSFORM(md5, local);
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320 | AddLength(md5, WC_MD5_BLOCK_SIZE);
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321 | md5->buffLen = 0;
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322 | }
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323 | }
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324 | return ret;
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325 | }
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326 |
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327 | int wc_Md5Final(wc_Md5* md5, byte* hash)
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328 | {
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329 | byte* local;
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330 |
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331 | if (md5 == NULL || hash == NULL) {
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332 | return BAD_FUNC_ARG;
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333 | }
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334 |
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335 | #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_MD5)
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336 | if (md5->asyncDev.marker == WOLFSSL_ASYNC_MARKER_MD5) {
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337 | #if defined(HAVE_INTEL_QA)
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338 | return IntelQaSymMd5(&md5->asyncDev, hash, NULL, WC_MD5_DIGEST_SIZE);
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339 | #endif
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340 | }
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341 | #endif /* WOLFSSL_ASYNC_CRYPT */
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342 |
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343 | local = (byte*)md5->buffer;
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344 |
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345 | AddLength(md5, md5->buffLen); /* before adding pads */
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346 | local[md5->buffLen++] = 0x80; /* add 1 */
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347 |
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348 | /* pad with zeros */
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349 | if (md5->buffLen > WC_MD5_PAD_SIZE) {
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350 | XMEMSET(&local[md5->buffLen], 0, WC_MD5_BLOCK_SIZE - md5->buffLen);
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351 | md5->buffLen += WC_MD5_BLOCK_SIZE - md5->buffLen;
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352 |
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353 | #if defined(BIG_ENDIAN_ORDER) && !defined(FREESCALE_MMCAU_SHA)
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354 | ByteReverseWords(md5->buffer, md5->buffer, WC_MD5_BLOCK_SIZE);
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355 | #endif
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356 | XTRANSFORM(md5, local);
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357 | md5->buffLen = 0;
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358 | }
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359 | XMEMSET(&local[md5->buffLen], 0, WC_MD5_PAD_SIZE - md5->buffLen);
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360 |
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361 | #if defined(BIG_ENDIAN_ORDER) && !defined(FREESCALE_MMCAU_SHA)
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362 | ByteReverseWords(md5->buffer, md5->buffer, WC_MD5_BLOCK_SIZE);
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363 | #endif
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364 |
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365 | /* put lengths in bits */
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366 | md5->hiLen = (md5->loLen >> (8*sizeof(md5->loLen) - 3)) +
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367 | (md5->hiLen << 3);
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368 | md5->loLen = md5->loLen << 3;
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369 |
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370 | /* store lengths */
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371 | /* ! length ordering dependent on digest endian type ! */
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372 | XMEMCPY(&local[WC_MD5_PAD_SIZE], &md5->loLen, sizeof(word32));
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373 | XMEMCPY(&local[WC_MD5_PAD_SIZE + sizeof(word32)], &md5->hiLen, sizeof(word32));
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374 |
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375 | /* final transform and result to hash */
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376 | XTRANSFORM(md5, local);
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377 | #ifdef BIG_ENDIAN_ORDER
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378 | ByteReverseWords(md5->digest, md5->digest, WC_MD5_DIGEST_SIZE);
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379 | #endif
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380 | XMEMCPY(hash, md5->digest, WC_MD5_DIGEST_SIZE);
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381 |
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382 | return _InitMd5(md5); /* reset state */
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383 | }
|
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384 | #endif /* !HAVE_MD5_CUST_API */
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385 |
|
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386 |
|
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387 | int wc_InitMd5(wc_Md5* md5)
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388 | {
|
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389 | if (md5 == NULL) {
|
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390 | return BAD_FUNC_ARG;
|
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391 | }
|
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392 | return wc_InitMd5_ex(md5, NULL, INVALID_DEVID);
|
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393 | }
|
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394 |
|
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395 | void wc_Md5Free(wc_Md5* md5)
|
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396 | {
|
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397 | if (md5 == NULL)
|
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398 | return;
|
---|
399 | #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_MD5)
|
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400 | wolfAsync_DevCtxFree(&md5->asyncDev, WOLFSSL_ASYNC_MARKER_MD5);
|
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401 | #endif /* WOLFSSL_ASYNC_CRYPT */
|
---|
402 |
|
---|
403 | #ifdef WOLFSSL_PIC32MZ_HASH
|
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404 | wc_Md5Pic32Free(md5);
|
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405 | #endif
|
---|
406 | }
|
---|
407 |
|
---|
408 | int wc_Md5GetHash(wc_Md5* md5, byte* hash)
|
---|
409 | {
|
---|
410 | int ret;
|
---|
411 | wc_Md5 tmpMd5;
|
---|
412 |
|
---|
413 | if (md5 == NULL || hash == NULL)
|
---|
414 | return BAD_FUNC_ARG;
|
---|
415 |
|
---|
416 | ret = wc_Md5Copy(md5, &tmpMd5);
|
---|
417 | if (ret == 0) {
|
---|
418 | ret = wc_Md5Final(&tmpMd5, hash);
|
---|
419 | }
|
---|
420 |
|
---|
421 | return ret;
|
---|
422 | }
|
---|
423 |
|
---|
424 | int wc_Md5Copy(wc_Md5* src, wc_Md5* dst)
|
---|
425 | {
|
---|
426 | int ret = 0;
|
---|
427 |
|
---|
428 | if (src == NULL || dst == NULL)
|
---|
429 | return BAD_FUNC_ARG;
|
---|
430 |
|
---|
431 | XMEMCPY(dst, src, sizeof(wc_Md5));
|
---|
432 |
|
---|
433 | #ifdef WOLFSSL_ASYNC_CRYPT
|
---|
434 | ret = wolfAsync_DevCopy(&src->asyncDev, &dst->asyncDev);
|
---|
435 | #endif
|
---|
436 | #ifdef WOLFSSL_PIC32MZ_HASH
|
---|
437 | ret = wc_Pic32HashCopy(&src->cache, &dst->cache);
|
---|
438 | #endif
|
---|
439 |
|
---|
440 | return ret;
|
---|
441 | }
|
---|
442 |
|
---|
443 | #endif /* WOLFSSL_TI_HASH */
|
---|
444 | #endif /* NO_MD5 */
|
---|