1 | /* sha.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 | #ifdef HAVE_CONFIG_H
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24 | #include <config.h>
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25 | #endif
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26 |
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27 | #include <wolfssl/wolfcrypt/settings.h>
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28 |
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29 | #if !defined(NO_SHA)
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30 |
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31 | #include <wolfssl/wolfcrypt/sha.h>
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32 | #include <wolfssl/wolfcrypt/error-crypt.h>
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33 |
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34 | /* fips wrapper calls, user can call direct */
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35 | #ifdef HAVE_FIPS
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36 | int wc_InitSha(wc_Sha* sha)
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37 | {
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38 | if (sha == NULL) {
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39 | return BAD_FUNC_ARG;
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40 | }
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41 | return InitSha_fips(sha);
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42 | }
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43 | int wc_InitSha_ex(wc_Sha* sha, void* heap, int devId)
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44 | {
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45 | (void)heap;
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46 | (void)devId;
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47 | if (sha == NULL) {
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48 | return BAD_FUNC_ARG;
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49 | }
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50 | return InitSha_fips(sha);
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51 | }
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52 |
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53 | int wc_ShaUpdate(wc_Sha* sha, const byte* data, word32 len)
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54 | {
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55 | if (sha == NULL || (data == NULL && len > 0)) {
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56 | return BAD_FUNC_ARG;
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57 | }
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58 | return ShaUpdate_fips(sha, data, len);
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59 | }
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60 |
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61 | int wc_ShaFinal(wc_Sha* sha, byte* out)
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62 | {
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63 | if (sha == NULL || out == NULL) {
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64 | return BAD_FUNC_ARG;
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65 | }
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66 | return ShaFinal_fips(sha,out);
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67 | }
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68 | void wc_ShaFree(wc_Sha* sha)
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69 | {
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70 | (void)sha;
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71 | /* Not supported in FIPS */
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72 | }
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73 |
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74 | #else /* else build without fips */
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75 |
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76 |
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77 | #if defined(WOLFSSL_TI_HASH)
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78 | /* #include <wolfcrypt/src/port/ti/ti-hash.c> included by wc_port.c */
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79 |
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80 | #else
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81 |
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82 | #include <wolfssl/wolfcrypt/logging.h>
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83 | #ifdef NO_INLINE
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84 | #include <wolfssl/wolfcrypt/misc.h>
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85 | #else
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86 | #define WOLFSSL_MISC_INCLUDED
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87 | #include <wolfcrypt/src/misc.c>
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88 | #endif
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89 |
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90 | static INLINE void AddLength(wc_Sha* sha, word32 len);
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91 |
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92 |
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93 | /* Hardware Acceleration */
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94 | #if defined(WOLFSSL_PIC32MZ_HASH)
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95 | #include <wolfssl/wolfcrypt/port/pic32/pic32mz-crypt.h>
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96 |
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97 | #elif defined(STM32_HASH)
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98 |
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99 | /*
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100 | * STM32F2/F4/F7 hardware SHA1 support through the HASH_* API's from the
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101 | * Standard Peripheral Library or CubeMX (See note in README).
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102 | */
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103 |
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104 | /* STM32 register size, bytes */
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105 | #ifdef WOLFSSL_STM32_CUBEMX
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106 | #define SHA_REG_SIZE WC_SHA_BLOCK_SIZE
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107 | #else
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108 | #define SHA_REG_SIZE 4
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109 | /* STM32 struct notes:
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110 | * sha->buffer = first 4 bytes used to hold partial block if needed
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111 | * sha->buffLen = num bytes currently stored in sha->buffer
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112 | * sha->loLen = num bytes that have been written to STM32 FIFO
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113 | */
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114 | #endif
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115 | #define SHA_HW_TIMEOUT 0xFF
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116 |
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117 | int wc_InitSha_ex(wc_Sha* sha, void* heap, int devId)
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118 | {
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119 | if (sha == NULL)
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120 | return BAD_FUNC_ARG;
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121 |
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122 | sha->heap = heap;
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123 | XMEMSET(sha->buffer, 0, sizeof(sha->buffer));
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124 | sha->buffLen = 0;
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125 | sha->loLen = 0;
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126 | sha->hiLen = 0;
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127 |
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128 | /* initialize HASH peripheral */
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129 | #ifdef WOLFSSL_STM32_CUBEMX
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130 | HAL_HASH_DeInit(&sha->hashHandle);
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131 | sha->hashHandle.Init.DataType = HASH_DATATYPE_8B;
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132 | if (HAL_HASH_Init(&sha->hashHandle) != HAL_OK) {
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133 | return ASYNC_INIT_E;
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134 | }
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135 |
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136 | /* reset the hash control register */
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137 | /* required because Cube MX is not clearing algo bits */
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138 | HASH->CR &= ~HASH_CR_ALGO;
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139 | #else
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140 | HASH_DeInit();
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141 |
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142 | /* reset the hash control register */
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143 | HASH->CR &= ~ (HASH_CR_ALGO | HASH_CR_DATATYPE | HASH_CR_MODE);
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144 |
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145 | /* configure algo used, algo mode, datatype */
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146 | HASH->CR |= (HASH_AlgoSelection_SHA1 | HASH_AlgoMode_HASH
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147 | | HASH_DataType_8b);
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148 |
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149 | /* reset HASH processor */
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150 | HASH->CR |= HASH_CR_INIT;
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151 | #endif
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152 |
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153 | return 0;
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154 | }
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155 |
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156 | int wc_ShaUpdate(wc_Sha* sha, const byte* data, word32 len)
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157 | {
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158 | int ret = 0;
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159 | byte* local;
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160 |
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161 | if (sha == NULL || (data == NULL && len > 0)) {
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162 | return BAD_FUNC_ARG;
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163 | }
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164 |
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165 | /* do block size increments */
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166 | local = (byte*)sha->buffer;
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167 |
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168 | /* check that internal buffLen is valid */
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169 | if (sha->buffLen >= SHA_REG_SIZE)
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170 | return BUFFER_E;
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171 |
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172 | while (len) {
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173 | word32 add = min(len, SHA_REG_SIZE - sha->buffLen);
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174 | XMEMCPY(&local[sha->buffLen], data, add);
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175 |
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176 | sha->buffLen += add;
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177 | data += add;
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178 | len -= add;
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179 |
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180 | if (sha->buffLen == SHA_REG_SIZE) {
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181 | #ifdef WOLFSSL_STM32_CUBEMX
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182 | if (HAL_HASH_SHA1_Accumulate(
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183 | &sha->hashHandle, local, SHA_REG_SIZE) != HAL_OK) {
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184 | ret = ASYNC_OP_E;
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185 | }
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186 | #else
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187 | HASH_DataIn(*(uint32_t*)local);
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188 | #endif
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189 |
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190 | AddLength(sha, SHA_REG_SIZE);
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191 | sha->buffLen = 0;
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192 | }
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193 | }
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194 | return ret;
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195 | }
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196 |
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197 | int wc_ShaFinal(wc_Sha* sha, byte* hash)
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198 | {
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199 | int ret = 0;
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200 |
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201 | if (sha == NULL || hash == NULL)
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202 | return BAD_FUNC_ARG;
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203 |
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204 | #ifdef WOLFSSL_STM32_CUBEMX
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205 | if (HAL_HASH_SHA1_Start(&sha->hashHandle,
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206 | (byte*)sha->buffer, sha->buffLen,
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207 | (byte*)sha->digest, SHA_HW_TIMEOUT) != HAL_OK) {
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208 | ret = ASYNC_OP_E;
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209 | }
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210 | HAL_HASH_DeInit(&sha->hashHandle);
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211 | #else
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212 | __IO uint16_t nbvalidbitsdata = 0;
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213 |
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214 | /* finish reading any trailing bytes into FIFO */
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215 | if (sha->buffLen > 0) {
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216 | HASH_DataIn(*(uint32_t*)sha->buffer);
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217 | AddLength(sha, sha->buffLen);
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218 | }
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219 |
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220 | /* calculate number of valid bits in last word of input data */
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221 | nbvalidbitsdata = 8 * (sha->loLen % SHA_REG_SIZE);
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222 |
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223 | /* configure number of valid bits in last word of the data */
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224 | HASH_SetLastWordValidBitsNbr(nbvalidbitsdata);
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225 |
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226 | /* start HASH processor */
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227 | HASH_StartDigest();
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228 |
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229 | /* wait until Busy flag == RESET */
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230 | while (HASH_GetFlagStatus(HASH_FLAG_BUSY) != RESET) {}
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231 |
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232 | /* read message digest */
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233 | sha->digest[0] = HASH->HR[0];
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234 | sha->digest[1] = HASH->HR[1];
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235 | sha->digest[2] = HASH->HR[2];
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236 | sha->digest[3] = HASH->HR[3];
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237 | sha->digest[4] = HASH->HR[4];
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238 |
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239 | ByteReverseWords(sha->digest, sha->digest, WC_SHA_DIGEST_SIZE);
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240 | #endif /* WOLFSSL_STM32_CUBEMX */
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241 |
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242 | XMEMCPY(hash, sha->digest, WC_SHA_DIGEST_SIZE);
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243 |
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244 | (void)wc_InitSha_ex(sha, sha->heap, INVALID_DEVID); /* reset state */
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245 |
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246 | return ret;
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247 | }
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248 |
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249 |
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250 | #elif defined(FREESCALE_LTC_SHA)
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251 |
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252 | #include "fsl_ltc.h"
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253 | static int InitSha(wc_Sha* sha)
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254 | {
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255 | LTC_HASH_Init(LTC_BASE, &sha->ctx, kLTC_Sha1, NULL, 0);
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256 | return 0;
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257 | }
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258 |
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259 | int wc_ShaUpdate(wc_Sha* sha, const byte* data, word32 len)
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260 | {
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261 | LTC_HASH_Update(&sha->ctx, data, len);
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262 | return 0;
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263 | }
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264 |
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265 | int wc_ShaFinal(wc_Sha* sha, byte* hash)
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266 | {
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267 | uint32_t hashlen = WC_SHA_DIGEST_SIZE;
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268 | LTC_HASH_Finish(&sha->ctx, hash, &hashlen);
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269 | return wc_InitSha(sha); /* reset state */
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270 | }
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271 |
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272 |
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273 | #elif defined(FREESCALE_MMCAU_SHA)
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274 |
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275 | #ifdef FREESCALE_MMCAU_CLASSIC_SHA
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276 | #include "cau_api.h"
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277 | #else
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278 | #include "fsl_mmcau.h"
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279 | #endif
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280 |
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281 | #define USE_SHA_SOFTWARE_IMPL /* Only for API's, actual transform is here */
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282 | #define XTRANSFORM(S,B) Transform((S),(B))
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283 |
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284 | static int InitSha(wc_Sha* sha)
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285 | {
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286 | int ret = 0;
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287 | ret = wolfSSL_CryptHwMutexLock();
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288 | if (ret != 0) {
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289 | return ret;
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290 | }
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291 | #ifdef FREESCALE_MMCAU_CLASSIC_SHA
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292 | cau_sha1_initialize_output(sha->digest);
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293 | #else
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294 | MMCAU_SHA1_InitializeOutput((uint32_t*)sha->digest);
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295 | #endif
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296 | wolfSSL_CryptHwMutexUnLock();
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297 |
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298 | sha->buffLen = 0;
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299 | sha->loLen = 0;
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300 | sha->hiLen = 0;
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301 |
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302 | return ret;
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303 | }
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304 |
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305 | static int Transform(wc_Sha* sha, byte* data)
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306 | {
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307 | int ret = wolfSSL_CryptHwMutexLock();
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308 | if(ret == 0) {
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309 | #ifdef FREESCALE_MMCAU_CLASSIC_SHA
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310 | cau_sha1_hash_n(data, 1, sha->digest);
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311 | #else
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312 | MMCAU_SHA1_HashN(data, 1, (uint32_t*)sha->digest);
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313 | #endif
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314 | wolfSSL_CryptHwMutexUnLock();
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315 | }
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316 | return ret;
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317 | }
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318 |
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319 | #else
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320 |
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321 | /* Software implementation */
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322 | #define USE_SHA_SOFTWARE_IMPL
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323 |
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324 | static int InitSha(wc_Sha* sha)
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325 | {
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326 | int ret = 0;
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327 |
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328 | sha->digest[0] = 0x67452301L;
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329 | sha->digest[1] = 0xEFCDAB89L;
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330 | sha->digest[2] = 0x98BADCFEL;
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331 | sha->digest[3] = 0x10325476L;
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332 | sha->digest[4] = 0xC3D2E1F0L;
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333 |
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334 | sha->buffLen = 0;
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335 | sha->loLen = 0;
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336 | sha->hiLen = 0;
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337 |
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338 | return ret;
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339 | }
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340 |
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341 | #endif /* End Hardware Acceleration */
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342 |
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343 |
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344 | #if defined(USE_SHA_SOFTWARE_IMPL) || defined(STM32_HASH)
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345 | static INLINE void AddLength(wc_Sha* sha, word32 len)
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346 | {
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347 | word32 tmp = sha->loLen;
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348 | if ((sha->loLen += len) < tmp)
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349 | sha->hiLen++; /* carry low to high */
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350 | }
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351 | #endif
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352 |
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353 |
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354 | /* Software implementation */
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355 | #ifdef USE_SHA_SOFTWARE_IMPL
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356 |
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357 | /* Check if custom wc_Sha transform is used */
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358 | #ifndef XTRANSFORM
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359 | #define XTRANSFORM(S,B) Transform((S),(B))
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360 |
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361 | #define blk0(i) (W[i] = sha->buffer[i])
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362 | #define blk1(i) (W[(i)&15] = \
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363 | rotlFixed(W[((i)+13)&15]^W[((i)+8)&15]^W[((i)+2)&15]^W[(i)&15],1))
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364 |
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365 | #define f1(x,y,z) ((z)^((x) &((y)^(z))))
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366 | #define f2(x,y,z) ((x)^(y)^(z))
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367 | #define f3(x,y,z) (((x)&(y))|((z)&((x)|(y))))
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368 | #define f4(x,y,z) ((x)^(y)^(z))
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369 |
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370 | /* (R0+R1), R2, R3, R4 are the different operations used in SHA1 */
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371 | #define R0(v,w,x,y,z,i) (z)+= f1((w),(x),(y)) + blk0((i)) + 0x5A827999+ \
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372 | rotlFixed((v),5); (w) = rotlFixed((w),30);
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373 | #define R1(v,w,x,y,z,i) (z)+= f1((w),(x),(y)) + blk1((i)) + 0x5A827999+ \
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374 | rotlFixed((v),5); (w) = rotlFixed((w),30);
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375 | #define R2(v,w,x,y,z,i) (z)+= f2((w),(x),(y)) + blk1((i)) + 0x6ED9EBA1+ \
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376 | rotlFixed((v),5); (w) = rotlFixed((w),30);
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377 | #define R3(v,w,x,y,z,i) (z)+= f3((w),(x),(y)) + blk1((i)) + 0x8F1BBCDC+ \
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378 | rotlFixed((v),5); (w) = rotlFixed((w),30);
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379 | #define R4(v,w,x,y,z,i) (z)+= f4((w),(x),(y)) + blk1((i)) + 0xCA62C1D6+ \
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380 | rotlFixed((v),5); (w) = rotlFixed((w),30);
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381 |
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382 | static void Transform(wc_Sha* sha, byte* data)
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383 | {
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384 | word32 W[WC_SHA_BLOCK_SIZE / sizeof(word32)];
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385 |
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386 | /* Copy context->state[] to working vars */
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387 | word32 a = sha->digest[0];
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388 | word32 b = sha->digest[1];
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389 | word32 c = sha->digest[2];
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390 | word32 d = sha->digest[3];
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391 | word32 e = sha->digest[4];
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392 |
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393 | #ifdef USE_SLOW_SHA
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394 | word32 t, i;
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395 |
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396 | for (i = 0; i < 16; i++) {
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397 | R0(a, b, c, d, e, i);
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398 | t = e; e = d; d = c; c = b; b = a; a = t;
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399 | }
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400 |
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401 | for (; i < 20; i++) {
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402 | R1(a, b, c, d, e, i);
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403 | t = e; e = d; d = c; c = b; b = a; a = t;
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404 | }
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405 |
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406 | for (; i < 40; i++) {
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407 | R2(a, b, c, d, e, i);
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408 | t = e; e = d; d = c; c = b; b = a; a = t;
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409 | }
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410 |
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411 | for (; i < 60; i++) {
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412 | R3(a, b, c, d, e, i);
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413 | t = e; e = d; d = c; c = b; b = a; a = t;
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414 | }
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415 |
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416 | for (; i < 80; i++) {
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417 | R4(a, b, c, d, e, i);
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418 | t = e; e = d; d = c; c = b; b = a; a = t;
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419 | }
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420 | #else
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421 | /* nearly 1 K bigger in code size but 25% faster */
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422 | /* 4 rounds of 20 operations each. Loop unrolled. */
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423 | R0(a,b,c,d,e, 0); R0(e,a,b,c,d, 1); R0(d,e,a,b,c, 2); R0(c,d,e,a,b, 3);
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424 | R0(b,c,d,e,a, 4); R0(a,b,c,d,e, 5); R0(e,a,b,c,d, 6); R0(d,e,a,b,c, 7);
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425 | R0(c,d,e,a,b, 8); R0(b,c,d,e,a, 9); R0(a,b,c,d,e,10); R0(e,a,b,c,d,11);
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426 | R0(d,e,a,b,c,12); R0(c,d,e,a,b,13); R0(b,c,d,e,a,14); R0(a,b,c,d,e,15);
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427 |
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428 | R1(e,a,b,c,d,16); R1(d,e,a,b,c,17); R1(c,d,e,a,b,18); R1(b,c,d,e,a,19);
|
---|
429 |
|
---|
430 | R2(a,b,c,d,e,20); R2(e,a,b,c,d,21); R2(d,e,a,b,c,22); R2(c,d,e,a,b,23);
|
---|
431 | R2(b,c,d,e,a,24); R2(a,b,c,d,e,25); R2(e,a,b,c,d,26); R2(d,e,a,b,c,27);
|
---|
432 | R2(c,d,e,a,b,28); R2(b,c,d,e,a,29); R2(a,b,c,d,e,30); R2(e,a,b,c,d,31);
|
---|
433 | R2(d,e,a,b,c,32); R2(c,d,e,a,b,33); R2(b,c,d,e,a,34); R2(a,b,c,d,e,35);
|
---|
434 | R2(e,a,b,c,d,36); R2(d,e,a,b,c,37); R2(c,d,e,a,b,38); R2(b,c,d,e,a,39);
|
---|
435 |
|
---|
436 | R3(a,b,c,d,e,40); R3(e,a,b,c,d,41); R3(d,e,a,b,c,42); R3(c,d,e,a,b,43);
|
---|
437 | R3(b,c,d,e,a,44); R3(a,b,c,d,e,45); R3(e,a,b,c,d,46); R3(d,e,a,b,c,47);
|
---|
438 | R3(c,d,e,a,b,48); R3(b,c,d,e,a,49); R3(a,b,c,d,e,50); R3(e,a,b,c,d,51);
|
---|
439 | R3(d,e,a,b,c,52); R3(c,d,e,a,b,53); R3(b,c,d,e,a,54); R3(a,b,c,d,e,55);
|
---|
440 | R3(e,a,b,c,d,56); R3(d,e,a,b,c,57); R3(c,d,e,a,b,58); R3(b,c,d,e,a,59);
|
---|
441 |
|
---|
442 | R4(a,b,c,d,e,60); R4(e,a,b,c,d,61); R4(d,e,a,b,c,62); R4(c,d,e,a,b,63);
|
---|
443 | R4(b,c,d,e,a,64); R4(a,b,c,d,e,65); R4(e,a,b,c,d,66); R4(d,e,a,b,c,67);
|
---|
444 | R4(c,d,e,a,b,68); R4(b,c,d,e,a,69); R4(a,b,c,d,e,70); R4(e,a,b,c,d,71);
|
---|
445 | R4(d,e,a,b,c,72); R4(c,d,e,a,b,73); R4(b,c,d,e,a,74); R4(a,b,c,d,e,75);
|
---|
446 | R4(e,a,b,c,d,76); R4(d,e,a,b,c,77); R4(c,d,e,a,b,78); R4(b,c,d,e,a,79);
|
---|
447 | #endif
|
---|
448 |
|
---|
449 | /* Add the working vars back into digest state[] */
|
---|
450 | sha->digest[0] += a;
|
---|
451 | sha->digest[1] += b;
|
---|
452 | sha->digest[2] += c;
|
---|
453 | sha->digest[3] += d;
|
---|
454 | sha->digest[4] += e;
|
---|
455 |
|
---|
456 | (void)data; /* Not used */
|
---|
457 | }
|
---|
458 | #endif /* !USE_CUSTOM_SHA_TRANSFORM */
|
---|
459 |
|
---|
460 |
|
---|
461 | int wc_InitSha_ex(wc_Sha* sha, void* heap, int devId)
|
---|
462 | {
|
---|
463 | int ret = 0;
|
---|
464 |
|
---|
465 | if (sha == NULL)
|
---|
466 | return BAD_FUNC_ARG;
|
---|
467 |
|
---|
468 | sha->heap = heap;
|
---|
469 |
|
---|
470 | ret = InitSha(sha);
|
---|
471 | if (ret != 0)
|
---|
472 | return ret;
|
---|
473 |
|
---|
474 | #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_SHA)
|
---|
475 | ret = wolfAsync_DevCtxInit(&sha->asyncDev, WOLFSSL_ASYNC_MARKER_SHA,
|
---|
476 | sha->heap, devId);
|
---|
477 | #else
|
---|
478 | (void)devId;
|
---|
479 | #endif /* WOLFSSL_ASYNC_CRYPT */
|
---|
480 |
|
---|
481 | return ret;
|
---|
482 | }
|
---|
483 |
|
---|
484 | int wc_ShaUpdate(wc_Sha* sha, const byte* data, word32 len)
|
---|
485 | {
|
---|
486 | byte* local;
|
---|
487 |
|
---|
488 | if (sha == NULL ||(data == NULL && len > 0)) {
|
---|
489 | return BAD_FUNC_ARG;
|
---|
490 | }
|
---|
491 |
|
---|
492 | /* do block size increments */
|
---|
493 | local = (byte*)sha->buffer;
|
---|
494 |
|
---|
495 | #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_SHA)
|
---|
496 | if (sha->asyncDev.marker == WOLFSSL_ASYNC_MARKER_SHA) {
|
---|
497 | #if defined(HAVE_INTEL_QA)
|
---|
498 | return IntelQaSymSha(&sha->asyncDev, NULL, data, len);
|
---|
499 | #endif
|
---|
500 | }
|
---|
501 | #endif /* WOLFSSL_ASYNC_CRYPT */
|
---|
502 |
|
---|
503 | /* check that internal buffLen is valid */
|
---|
504 | if (sha->buffLen >= WC_SHA_BLOCK_SIZE)
|
---|
505 | return BUFFER_E;
|
---|
506 |
|
---|
507 | while (len) {
|
---|
508 | word32 add = min(len, WC_SHA_BLOCK_SIZE - sha->buffLen);
|
---|
509 | XMEMCPY(&local[sha->buffLen], data, add);
|
---|
510 |
|
---|
511 | sha->buffLen += add;
|
---|
512 | data += add;
|
---|
513 | len -= add;
|
---|
514 |
|
---|
515 | if (sha->buffLen == WC_SHA_BLOCK_SIZE) {
|
---|
516 | #if defined(LITTLE_ENDIAN_ORDER) && !defined(FREESCALE_MMCAU_SHA)
|
---|
517 | ByteReverseWords(sha->buffer, sha->buffer, WC_SHA_BLOCK_SIZE);
|
---|
518 | #endif
|
---|
519 | XTRANSFORM(sha, local);
|
---|
520 | AddLength(sha, WC_SHA_BLOCK_SIZE);
|
---|
521 | sha->buffLen = 0;
|
---|
522 | }
|
---|
523 | }
|
---|
524 |
|
---|
525 | return 0;
|
---|
526 | }
|
---|
527 |
|
---|
528 | int wc_ShaFinal(wc_Sha* sha, byte* hash)
|
---|
529 | {
|
---|
530 | byte* local;
|
---|
531 |
|
---|
532 | if (sha == NULL || hash == NULL) {
|
---|
533 | return BAD_FUNC_ARG;
|
---|
534 | }
|
---|
535 |
|
---|
536 | local = (byte*)sha->buffer;
|
---|
537 |
|
---|
538 | #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_SHA)
|
---|
539 | if (sha->asyncDev.marker == WOLFSSL_ASYNC_MARKER_SHA) {
|
---|
540 | #if defined(HAVE_INTEL_QA)
|
---|
541 | return IntelQaSymSha(&sha->asyncDev, hash, NULL, WC_SHA_DIGEST_SIZE);
|
---|
542 | #endif
|
---|
543 | }
|
---|
544 | #endif /* WOLFSSL_ASYNC_CRYPT */
|
---|
545 |
|
---|
546 | AddLength(sha, sha->buffLen); /* before adding pads */
|
---|
547 |
|
---|
548 | local[sha->buffLen++] = 0x80; /* add 1 */
|
---|
549 |
|
---|
550 | /* pad with zeros */
|
---|
551 | if (sha->buffLen > WC_SHA_PAD_SIZE) {
|
---|
552 | XMEMSET(&local[sha->buffLen], 0, WC_SHA_BLOCK_SIZE - sha->buffLen);
|
---|
553 | sha->buffLen += WC_SHA_BLOCK_SIZE - sha->buffLen;
|
---|
554 |
|
---|
555 | #if defined(LITTLE_ENDIAN_ORDER) && !defined(FREESCALE_MMCAU_SHA)
|
---|
556 | ByteReverseWords(sha->buffer, sha->buffer, WC_SHA_BLOCK_SIZE);
|
---|
557 | #endif
|
---|
558 | XTRANSFORM(sha, local);
|
---|
559 | sha->buffLen = 0;
|
---|
560 | }
|
---|
561 | XMEMSET(&local[sha->buffLen], 0, WC_SHA_PAD_SIZE - sha->buffLen);
|
---|
562 |
|
---|
563 | #if defined(LITTLE_ENDIAN_ORDER) && !defined(FREESCALE_MMCAU_SHA)
|
---|
564 | ByteReverseWords(sha->buffer, sha->buffer, WC_SHA_BLOCK_SIZE);
|
---|
565 | #endif
|
---|
566 |
|
---|
567 | /* store lengths */
|
---|
568 | /* put lengths in bits */
|
---|
569 | sha->hiLen = (sha->loLen >> (8*sizeof(sha->loLen) - 3)) + (sha->hiLen << 3);
|
---|
570 | sha->loLen = sha->loLen << 3;
|
---|
571 |
|
---|
572 | /* ! length ordering dependent on digest endian type ! */
|
---|
573 | XMEMCPY(&local[WC_SHA_PAD_SIZE], &sha->hiLen, sizeof(word32));
|
---|
574 | XMEMCPY(&local[WC_SHA_PAD_SIZE + sizeof(word32)], &sha->loLen, sizeof(word32));
|
---|
575 |
|
---|
576 | #if defined(FREESCALE_MMCAU_SHA)
|
---|
577 | /* Kinetis requires only these bytes reversed */
|
---|
578 | ByteReverseWords(&sha->buffer[WC_SHA_PAD_SIZE/sizeof(word32)],
|
---|
579 | &sha->buffer[WC_SHA_PAD_SIZE/sizeof(word32)],
|
---|
580 | 2 * sizeof(word32));
|
---|
581 | #endif
|
---|
582 |
|
---|
583 | XTRANSFORM(sha, local);
|
---|
584 | #ifdef LITTLE_ENDIAN_ORDER
|
---|
585 | ByteReverseWords(sha->digest, sha->digest, WC_SHA_DIGEST_SIZE);
|
---|
586 | #endif
|
---|
587 | XMEMCPY(hash, sha->digest, WC_SHA_DIGEST_SIZE);
|
---|
588 |
|
---|
589 | return InitSha(sha); /* reset state */
|
---|
590 | }
|
---|
591 |
|
---|
592 | #endif /* USE_SHA_SOFTWARE_IMPL */
|
---|
593 |
|
---|
594 |
|
---|
595 | int wc_InitSha(wc_Sha* sha)
|
---|
596 | {
|
---|
597 | return wc_InitSha_ex(sha, NULL, INVALID_DEVID);
|
---|
598 | }
|
---|
599 |
|
---|
600 | void wc_ShaFree(wc_Sha* sha)
|
---|
601 | {
|
---|
602 | if (sha == NULL)
|
---|
603 | return;
|
---|
604 |
|
---|
605 | #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_SHA)
|
---|
606 | wolfAsync_DevCtxFree(&sha->asyncDev, WOLFSSL_ASYNC_MARKER_SHA);
|
---|
607 | #endif /* WOLFSSL_ASYNC_CRYPT */
|
---|
608 | }
|
---|
609 |
|
---|
610 | #endif /* !WOLFSSL_TI_HASH */
|
---|
611 | #endif /* HAVE_FIPS */
|
---|
612 |
|
---|
613 | #ifndef WOLFSSL_TI_HASH
|
---|
614 | int wc_ShaGetHash(wc_Sha* sha, byte* hash)
|
---|
615 | {
|
---|
616 | int ret;
|
---|
617 | wc_Sha tmpSha;
|
---|
618 |
|
---|
619 | if (sha == NULL || hash == NULL)
|
---|
620 | return BAD_FUNC_ARG;
|
---|
621 |
|
---|
622 | ret = wc_ShaCopy(sha, &tmpSha);
|
---|
623 | if (ret == 0) {
|
---|
624 | ret = wc_ShaFinal(&tmpSha, hash);
|
---|
625 | }
|
---|
626 | return ret;
|
---|
627 | }
|
---|
628 |
|
---|
629 | int wc_ShaCopy(wc_Sha* src, wc_Sha* dst)
|
---|
630 | {
|
---|
631 | int ret = 0;
|
---|
632 |
|
---|
633 | if (src == NULL || dst == NULL)
|
---|
634 | return BAD_FUNC_ARG;
|
---|
635 |
|
---|
636 | XMEMCPY(dst, src, sizeof(wc_Sha));
|
---|
637 |
|
---|
638 | #ifdef WOLFSSL_ASYNC_CRYPT
|
---|
639 | ret = wolfAsync_DevCopy(&src->asyncDev, &dst->asyncDev);
|
---|
640 | #endif
|
---|
641 | #ifdef WOLFSSL_PIC32MZ_HASH
|
---|
642 | ret = wc_Pic32HashCopy(&src->cache, &dst->cache);
|
---|
643 | #endif
|
---|
644 |
|
---|
645 | return ret;
|
---|
646 | }
|
---|
647 | #endif /* !WOLFSSL_TI_HASH */
|
---|
648 |
|
---|
649 | #endif /* !NO_SHA */
|
---|