1 | /* hash.c
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2 | *
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3 | * Copyright (C) 2006-2015 wolfSSL Inc.
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4 | *
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5 | * This file is part of wolfSSL. (formerly known as CyaSSL)
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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 02110-1301, USA
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20 | */
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21 |
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22 | #ifdef HAVE_CONFIG_H
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23 | #include <config.h>
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24 | #endif
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25 |
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26 | #include <wolfssl/wolfcrypt/settings.h>
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27 | #include <wolfssl/wolfcrypt/logging.h>
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28 | #include <wolfssl/wolfcrypt/error-crypt.h>
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29 |
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30 | #if !defined(WOLFSSL_TI_HASH)
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31 |
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32 | #include <wolfssl/wolfcrypt/hash.h>
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33 |
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34 | #if !defined(NO_MD5)
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35 | void wc_Md5GetHash(Md5* md5, byte* hash)
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36 | {
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37 | Md5 save = *md5 ;
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38 | wc_Md5Final(md5, hash) ;
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39 | *md5 = save ;
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40 | }
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41 |
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42 | WOLFSSL_API void wc_Md5RestorePos(Md5* m1, Md5* m2) {
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43 | *m1 = *m2 ;
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44 | }
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45 |
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46 | #endif
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47 |
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48 | #if !defined(NO_SHA)
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49 | int wc_ShaGetHash(Sha* sha, byte* hash)
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50 | {
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51 | int ret ;
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52 | Sha save = *sha ;
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53 | ret = wc_ShaFinal(sha, hash) ;
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54 | *sha = save ;
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55 | return ret ;
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56 | }
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57 |
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58 | WOLFSSL_API void wc_ShaRestorePos(Sha* s1, Sha* s2) {
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59 | *s1 = *s2 ;
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60 | }
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61 |
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62 | int wc_ShaHash(const byte* data, word32 len, byte* hash)
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63 | {
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64 | int ret = 0;
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65 | #ifdef WOLFSSL_SMALL_STACK
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66 | Sha* sha;
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67 | #else
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68 | Sha sha[1];
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69 | #endif
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70 |
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71 | #ifdef WOLFSSL_SMALL_STACK
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72 | sha = (Sha*)XMALLOC(sizeof(Sha), NULL, DYNAMIC_TYPE_TMP_BUFFER);
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73 | if (sha == NULL)
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74 | return MEMORY_E;
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75 | #endif
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76 |
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77 | if ((ret = wc_InitSha(sha)) != 0) {
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78 | WOLFSSL_MSG("wc_InitSha failed");
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79 | }
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80 | else {
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81 | wc_ShaUpdate(sha, data, len);
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82 | wc_ShaFinal(sha, hash);
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83 | }
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84 |
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85 | #ifdef WOLFSSL_SMALL_STACK
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86 | XFREE(sha, NULL, DYNAMIC_TYPE_TMP_BUFFER);
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87 | #endif
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88 |
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89 | return ret;
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90 |
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91 | }
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92 |
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93 | #endif /* !defined(NO_SHA) */
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94 |
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95 | #if !defined(NO_SHA256)
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96 | int wc_Sha256GetHash(Sha256* sha256, byte* hash)
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97 | {
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98 | int ret ;
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99 | Sha256 save = *sha256 ;
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100 | ret = wc_Sha256Final(sha256, hash) ;
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101 | *sha256 = save ;
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102 | return ret ;
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103 | }
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104 |
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105 | WOLFSSL_API void wc_Sha256RestorePos(Sha256* s1, Sha256* s2) {
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106 | *s1 = *s2 ;
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107 | }
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108 |
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109 | int wc_Sha256Hash(const byte* data, word32 len, byte* hash)
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110 | {
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111 | int ret = 0;
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112 | #ifdef WOLFSSL_SMALL_STACK
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113 | Sha256* sha256;
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114 | #else
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115 | Sha256 sha256[1];
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116 | #endif
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117 |
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118 | #ifdef WOLFSSL_SMALL_STACK
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119 | sha256 = (Sha256*)XMALLOC(sizeof(Sha256), NULL, DYNAMIC_TYPE_TMP_BUFFER);
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120 | if (sha256 == NULL)
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121 | return MEMORY_E;
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122 | #endif
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123 |
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124 | if ((ret = wc_InitSha256(sha256)) != 0) {
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125 | WOLFSSL_MSG("InitSha256 failed");
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126 | }
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127 | else if ((ret = wc_Sha256Update(sha256, data, len)) != 0) {
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128 | WOLFSSL_MSG("Sha256Update failed");
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129 | }
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130 | else if ((ret = wc_Sha256Final(sha256, hash)) != 0) {
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131 | WOLFSSL_MSG("Sha256Final failed");
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132 | }
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133 |
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134 | #ifdef WOLFSSL_SMALL_STACK
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135 | XFREE(sha256, NULL, DYNAMIC_TYPE_TMP_BUFFER);
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136 | #endif
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137 |
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138 | return ret;
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139 | }
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140 |
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141 | #endif /* !defined(NO_SHA256) */
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142 |
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143 | #endif /* !defined(WOLFSSL_TI_HASH) */
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144 |
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145 | #if defined(WOLFSSL_SHA512)
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146 | int wc_Sha512Hash(const byte* data, word32 len, byte* hash)
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147 | {
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148 | int ret = 0;
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149 | #ifdef WOLFSSL_SMALL_STACK
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150 | Sha512* sha512;
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151 | #else
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152 | Sha512 sha512[1];
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153 | #endif
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154 |
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155 | #ifdef WOLFSSL_SMALL_STACK
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156 | sha512 = (Sha512*)XMALLOC(sizeof(Sha512), NULL, DYNAMIC_TYPE_TMP_BUFFER);
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157 | if (sha512 == NULL)
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158 | return MEMORY_E;
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159 | #endif
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160 |
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161 | if ((ret = wc_InitSha512(sha512)) != 0) {
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162 | WOLFSSL_MSG("InitSha512 failed");
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163 | }
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164 | else if ((ret = wc_Sha512Update(sha512, data, len)) != 0) {
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165 | WOLFSSL_MSG("Sha512Update failed");
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166 | }
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167 | else if ((ret = wc_Sha512Final(sha512, hash)) != 0) {
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168 | WOLFSSL_MSG("Sha512Final failed");
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169 | }
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170 |
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171 | #ifdef WOLFSSL_SMALL_STACK
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172 | XFREE(sha512, NULL, DYNAMIC_TYPE_TMP_BUFFER);
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173 | #endif
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174 |
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175 | return ret;
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176 | }
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177 |
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178 | #if defined(WOLFSSL_SHA384)
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179 | int wc_Sha384Hash(const byte* data, word32 len, byte* hash)
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180 | {
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181 | int ret = 0;
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182 | #ifdef WOLFSSL_SMALL_STACK
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183 | Sha384* sha384;
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184 | #else
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185 | Sha384 sha384[1];
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186 | #endif
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187 |
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188 | #ifdef WOLFSSL_SMALL_STACK
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189 | sha384 = (Sha384*)XMALLOC(sizeof(Sha384), NULL, DYNAMIC_TYPE_TMP_BUFFER);
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190 | if (sha384 == NULL)
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191 | return MEMORY_E;
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192 | #endif
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193 |
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194 | if ((ret = wc_InitSha384(sha384)) != 0) {
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195 | WOLFSSL_MSG("InitSha384 failed");
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196 | }
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197 | else if ((ret = wc_Sha384Update(sha384, data, len)) != 0) {
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198 | WOLFSSL_MSG("Sha384Update failed");
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199 | }
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200 | else if ((ret = wc_Sha384Final(sha384, hash)) != 0) {
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201 | WOLFSSL_MSG("Sha384Final failed");
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202 | }
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203 |
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204 | #ifdef WOLFSSL_SMALL_STACK
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205 | XFREE(sha384, NULL, DYNAMIC_TYPE_TMP_BUFFER);
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206 | #endif
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207 |
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208 | return ret;
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209 | }
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210 |
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211 | #endif /* defined(WOLFSSL_SHA384) */
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212 | #endif /* defined(WOLFSSL_SHA512) */
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