1 | /* des3.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 | #include <wolfssl/wolfcrypt/error-crypt.h>
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29 | #include <wolfssl/wolfcrypt/logging.h>
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30 |
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31 |
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32 | #ifndef NO_DES3
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33 |
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34 | #include <wolfssl/wolfcrypt/des3.h>
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35 |
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36 | /* fips wrapper calls, user can call direct */
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37 | #ifdef HAVE_FIPS
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38 | int wc_Des_SetKey(Des* des, const byte* key, const byte* iv, int dir)
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39 | {
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40 | return Des_SetKey(des, key, iv, dir);
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41 | }
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42 | int wc_Des3_SetKey(Des3* des, const byte* key, const byte* iv, int dir)
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43 | {
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44 | if (des == NULL || key == NULL || dir < 0) {
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45 | return BAD_FUNC_ARG;
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46 | }
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47 |
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48 | return Des3_SetKey_fips(des, key, iv, dir);
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49 | }
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50 | int wc_Des_CbcEncrypt(Des* des, byte* out, const byte* in, word32 sz)
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51 | {
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52 | return Des_CbcEncrypt(des, out, in, sz);
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53 | }
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54 | int wc_Des_CbcDecrypt(Des* des, byte* out, const byte* in, word32 sz)
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55 | {
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56 | return Des_CbcDecrypt(des, out, in, sz);
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57 | }
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58 | int wc_Des3_CbcEncrypt(Des3* des, byte* out, const byte* in, word32 sz)
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59 | {
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60 | if (des == NULL || out == NULL || in == NULL) {
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61 | return BAD_FUNC_ARG;
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62 | }
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63 | return Des3_CbcEncrypt_fips(des, out, in, sz);
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64 | }
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65 | int wc_Des3_CbcDecrypt(Des3* des, byte* out, const byte* in, word32 sz)
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66 | {
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67 | if (des == NULL || out == NULL || in == NULL) {
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68 | return BAD_FUNC_ARG;
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69 | }
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70 | return Des3_CbcDecrypt_fips(des, out, in, sz);
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71 | }
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72 |
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73 | #ifdef WOLFSSL_DES_ECB
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74 | /* One block, compatibility only */
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75 | int wc_Des_EcbEncrypt(Des* des, byte* out, const byte* in, word32 sz)
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76 | {
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77 | return Des_EcbEncrypt(des, out, in, sz);
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78 | }
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79 | int wc_Des3_EcbEncrypt(Des3* des, byte* out, const byte* in, word32 sz)
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80 | {
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81 | return Des3_EcbEncrypt(des, out, in, sz);
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82 | }
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83 | #endif /* WOLFSSL_DES_ECB */
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84 |
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85 | void wc_Des_SetIV(Des* des, const byte* iv)
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86 | {
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87 | Des_SetIV(des, iv);
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88 | }
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89 | int wc_Des3_SetIV(Des3* des, const byte* iv)
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90 | {
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91 | return Des3_SetIV_fips(des, iv);
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92 | }
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93 |
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94 | int wc_Des3Init(Des3* des3, void* heap, int devId)
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95 | {
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96 | (void)des3;
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97 | (void)heap;
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98 | (void)devId;
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99 | /* FIPS doesn't support:
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100 | return Des3Init(des3, heap, devId); */
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101 | return 0;
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102 | }
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103 | void wc_Des3Free(Des3* des3)
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104 | {
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105 | (void)des3;
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106 | /* FIPS doesn't support:
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107 | Des3Free(des3); */
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108 | }
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109 |
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110 | #else /* build without fips */
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111 |
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112 |
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113 | #if defined(WOLFSSL_TI_CRYPT)
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114 | #include <wolfcrypt/src/port/ti/ti-des3.c>
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115 | #else
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116 |
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117 |
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118 | #ifdef NO_INLINE
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119 | #include <wolfssl/wolfcrypt/misc.h>
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120 | #else
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121 | #define WOLFSSL_MISC_INCLUDED
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122 | #include <wolfcrypt/src/misc.c>
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123 | #endif
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124 |
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125 |
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126 | /* Hardware Acceleration */
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127 | #if defined(STM32_CRYPTO)
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128 |
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129 | /*
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130 | * STM32F2/F4 hardware DES/3DES support through the standard
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131 | * peripheral library. (See note in README).
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132 | */
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133 |
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134 | int wc_Des_SetKey(Des* des, const byte* key, const byte* iv, int dir)
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135 | {
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136 | word32 *dkey = des->key;
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137 |
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138 | (void)dir;
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139 |
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140 | XMEMCPY(dkey, key, 8);
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141 | #ifndef WOLFSSL_STM32_CUBEMX
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142 | ByteReverseWords(dkey, dkey, 8);
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143 | #endif
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144 |
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145 | wc_Des_SetIV(des, iv);
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146 |
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147 | return 0;
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148 | }
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149 |
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150 | int wc_Des3_SetKey(Des3* des, const byte* key, const byte* iv, int dir)
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151 | {
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152 | #ifndef WOLFSSL_STM32_CUBEMX
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153 | word32 *dkey1 = des->key[0];
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154 | word32 *dkey2 = des->key[1];
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155 | word32 *dkey3 = des->key[2];
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156 |
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157 | (void)dir;
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158 |
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159 | XMEMCPY(dkey1, key, 8); /* set key 1 */
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160 | XMEMCPY(dkey2, key + 8, 8); /* set key 2 */
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161 | XMEMCPY(dkey3, key + 16, 8); /* set key 3 */
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162 |
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163 | ByteReverseWords(dkey1, dkey1, 8);
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164 | ByteReverseWords(dkey2, dkey2, 8);
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165 | ByteReverseWords(dkey3, dkey3, 8);
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166 | #else
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167 | (void)dir;
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168 | XMEMCPY(des->key[0], key, DES3_KEYLEN); /* CUBEMX wants keys in sequential memory */
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169 | #endif
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170 |
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171 | return wc_Des3_SetIV(des, iv);
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172 | }
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173 |
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174 | static void DesCrypt(Des* des, byte* out, const byte* in, word32 sz,
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175 | int dir, int mode)
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176 | {
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177 | #ifdef WOLFSSL_STM32_CUBEMX
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178 | CRYP_HandleTypeDef hcryp;
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179 |
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180 | XMEMSET(&hcryp, 0, sizeof(CRYP_HandleTypeDef));
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181 | hcryp.Instance = CRYP;
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182 | hcryp.Init.KeySize = CRYP_KEYSIZE_128B;
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183 | hcryp.Init.DataType = CRYP_DATATYPE_8B;
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184 | hcryp.Init.pKey = (uint8_t*)des->key;
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185 | hcryp.Init.pInitVect = (uint8_t*)des->reg;
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186 |
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187 | HAL_CRYP_Init(&hcryp);
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188 |
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189 | while (sz > 0)
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190 | {
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191 | /* if input and output same will overwrite input iv */
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192 | XMEMCPY(des->tmp, in + sz - DES_BLOCK_SIZE, DES_BLOCK_SIZE);
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193 |
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194 | if (mode == DES_CBC) {
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195 | if (dir == DES_ENCRYPTION) {
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196 | HAL_CRYP_DESCBC_Encrypt(&hcryp, (uint8_t*)in,
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197 | DES_BLOCK_SIZE, out, STM32_HAL_TIMEOUT);
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198 | }
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199 | else {
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200 | HAL_CRYP_DESCBC_Decrypt(&hcryp, (uint8_t*)in,
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201 | DES_BLOCK_SIZE, out, STM32_HAL_TIMEOUT);
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202 | }
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203 | }
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204 | else {
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205 | if (dir == DES_ENCRYPTION) {
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206 | HAL_CRYP_DESECB_Encrypt(&hcryp, (uint8_t*)in,
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207 | DES_BLOCK_SIZE, out, STM32_HAL_TIMEOUT);
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208 | }
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209 | else {
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210 | HAL_CRYP_DESECB_Decrypt(&hcryp, (uint8_t*)in,
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211 | DES_BLOCK_SIZE, out, STM32_HAL_TIMEOUT);
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212 | }
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213 | }
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214 |
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215 | /* store iv for next call */
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216 | XMEMCPY(des->reg, des->tmp, DES_BLOCK_SIZE);
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217 |
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218 | sz -= DES_BLOCK_SIZE;
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219 | in += DES_BLOCK_SIZE;
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220 | out += DES_BLOCK_SIZE;
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221 | }
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222 |
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223 | HAL_CRYP_DeInit(&hcryp);
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224 | #else
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225 | word32 *dkey, *iv;
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226 | CRYP_InitTypeDef DES_CRYP_InitStructure;
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227 | CRYP_KeyInitTypeDef DES_CRYP_KeyInitStructure;
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228 | CRYP_IVInitTypeDef DES_CRYP_IVInitStructure;
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229 |
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230 | dkey = des->key;
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231 | iv = des->reg;
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232 |
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233 | /* crypto structure initialization */
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234 | CRYP_KeyStructInit(&DES_CRYP_KeyInitStructure);
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235 | CRYP_StructInit(&DES_CRYP_InitStructure);
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236 | CRYP_IVStructInit(&DES_CRYP_IVInitStructure);
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237 |
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238 | /* reset registers to their default values */
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239 | CRYP_DeInit();
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240 |
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241 | /* set direction, mode, and datatype */
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242 | if (dir == DES_ENCRYPTION) {
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243 | DES_CRYP_InitStructure.CRYP_AlgoDir = CRYP_AlgoDir_Encrypt;
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244 | } else { /* DES_DECRYPTION */
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245 | DES_CRYP_InitStructure.CRYP_AlgoDir = CRYP_AlgoDir_Decrypt;
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246 | }
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247 |
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248 | if (mode == DES_CBC) {
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249 | DES_CRYP_InitStructure.CRYP_AlgoMode = CRYP_AlgoMode_DES_CBC;
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250 | } else { /* DES_ECB */
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251 | DES_CRYP_InitStructure.CRYP_AlgoMode = CRYP_AlgoMode_DES_ECB;
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252 | }
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253 |
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254 | DES_CRYP_InitStructure.CRYP_DataType = CRYP_DataType_8b;
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255 | CRYP_Init(&DES_CRYP_InitStructure);
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256 |
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257 | /* load key into correct registers */
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258 | DES_CRYP_KeyInitStructure.CRYP_Key1Left = dkey[0];
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259 | DES_CRYP_KeyInitStructure.CRYP_Key1Right = dkey[1];
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260 | CRYP_KeyInit(&DES_CRYP_KeyInitStructure);
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261 |
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262 | /* set iv */
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263 | ByteReverseWords(iv, iv, DES_BLOCK_SIZE);
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264 | DES_CRYP_IVInitStructure.CRYP_IV0Left = iv[0];
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265 | DES_CRYP_IVInitStructure.CRYP_IV0Right = iv[1];
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266 | CRYP_IVInit(&DES_CRYP_IVInitStructure);
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267 |
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268 | /* enable crypto processor */
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269 | CRYP_Cmd(ENABLE);
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270 |
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271 | while (sz > 0)
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272 | {
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273 | /* flush IN/OUT FIFOs */
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274 | CRYP_FIFOFlush();
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275 |
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276 | /* if input and output same will overwrite input iv */
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277 | XMEMCPY(des->tmp, in + sz - DES_BLOCK_SIZE, DES_BLOCK_SIZE);
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278 |
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279 | CRYP_DataIn(*(uint32_t*)&in[0]);
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280 | CRYP_DataIn(*(uint32_t*)&in[4]);
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281 |
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282 | /* wait until the complete message has been processed */
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283 | while(CRYP_GetFlagStatus(CRYP_FLAG_BUSY) != RESET) {}
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284 |
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285 | *(uint32_t*)&out[0] = CRYP_DataOut();
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286 | *(uint32_t*)&out[4] = CRYP_DataOut();
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287 |
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288 | /* store iv for next call */
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289 | XMEMCPY(des->reg, des->tmp, DES_BLOCK_SIZE);
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290 |
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291 | sz -= DES_BLOCK_SIZE;
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292 | in += DES_BLOCK_SIZE;
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293 | out += DES_BLOCK_SIZE;
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294 | }
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295 |
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296 | /* disable crypto processor */
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297 | CRYP_Cmd(DISABLE);
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298 | #endif /* WOLFSSL_STM32_CUBEMX */
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299 | }
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300 |
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301 | int wc_Des_CbcEncrypt(Des* des, byte* out, const byte* in, word32 sz)
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302 | {
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303 | DesCrypt(des, out, in, sz, DES_ENCRYPTION, DES_CBC);
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304 | return 0;
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305 | }
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306 |
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307 | int wc_Des_CbcDecrypt(Des* des, byte* out, const byte* in, word32 sz)
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308 | {
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309 | DesCrypt(des, out, in, sz, DES_DECRYPTION, DES_CBC);
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310 | return 0;
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311 | }
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312 |
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313 | int wc_Des_EcbEncrypt(Des* des, byte* out, const byte* in, word32 sz)
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314 | {
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315 | DesCrypt(des, out, in, sz, DES_ENCRYPTION, DES_ECB);
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316 | return 0;
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317 | }
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318 |
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319 | static void Des3Crypt(Des3* des, byte* out, const byte* in, word32 sz,
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320 | int dir)
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321 | {
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322 | #ifdef WOLFSSL_STM32_CUBEMX
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323 | CRYP_HandleTypeDef hcryp;
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324 |
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325 | XMEMSET(&hcryp, 0, sizeof(CRYP_HandleTypeDef));
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326 | hcryp.Instance = CRYP;
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327 | hcryp.Init.KeySize = CRYP_KEYSIZE_128B;
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328 | hcryp.Init.DataType = CRYP_DATATYPE_8B;
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329 | hcryp.Init.pKey = (uint8_t*)des->key;
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330 | hcryp.Init.pInitVect = (uint8_t*)des->reg;
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331 |
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332 | HAL_CRYP_Init(&hcryp);
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333 |
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334 | while (sz > 0)
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335 | {
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336 | if (dir == DES_ENCRYPTION) {
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337 | HAL_CRYP_TDESCBC_Encrypt(&hcryp, (byte*)in,
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338 | DES_BLOCK_SIZE, out, STM32_HAL_TIMEOUT);
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339 | }
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340 | else {
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341 | HAL_CRYP_TDESCBC_Decrypt(&hcryp, (byte*)in,
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342 | DES_BLOCK_SIZE, out, STM32_HAL_TIMEOUT);
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343 | }
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344 |
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345 | /* store iv for next call */
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346 | XMEMCPY(des->reg, out + sz - DES_BLOCK_SIZE, DES_BLOCK_SIZE);
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347 |
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348 | sz -= DES_BLOCK_SIZE;
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349 | in += DES_BLOCK_SIZE;
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350 | out += DES_BLOCK_SIZE;
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351 | }
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352 |
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353 | HAL_CRYP_DeInit(&hcryp);
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354 | #else
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355 | word32 *dkey1, *dkey2, *dkey3, *iv;
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356 | CRYP_InitTypeDef DES3_CRYP_InitStructure;
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357 | CRYP_KeyInitTypeDef DES3_CRYP_KeyInitStructure;
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358 | CRYP_IVInitTypeDef DES3_CRYP_IVInitStructure;
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359 |
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360 | dkey1 = des->key[0];
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361 | dkey2 = des->key[1];
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362 | dkey3 = des->key[2];
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363 | iv = des->reg;
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364 |
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365 | /* crypto structure initialization */
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366 | CRYP_KeyStructInit(&DES3_CRYP_KeyInitStructure);
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367 | CRYP_StructInit(&DES3_CRYP_InitStructure);
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368 | CRYP_IVStructInit(&DES3_CRYP_IVInitStructure);
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369 |
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370 | /* reset registers to their default values */
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371 | CRYP_DeInit();
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372 |
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373 | /* set direction, mode, and datatype */
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374 | if (dir == DES_ENCRYPTION) {
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375 | DES3_CRYP_InitStructure.CRYP_AlgoDir = CRYP_AlgoDir_Encrypt;
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376 | } else {
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377 | DES3_CRYP_InitStructure.CRYP_AlgoDir = CRYP_AlgoDir_Decrypt;
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378 | }
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379 |
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380 | DES3_CRYP_InitStructure.CRYP_AlgoMode = CRYP_AlgoMode_TDES_CBC;
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381 | DES3_CRYP_InitStructure.CRYP_DataType = CRYP_DataType_8b;
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382 | CRYP_Init(&DES3_CRYP_InitStructure);
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383 |
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384 | /* load key into correct registers */
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385 | DES3_CRYP_KeyInitStructure.CRYP_Key1Left = dkey1[0];
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386 | DES3_CRYP_KeyInitStructure.CRYP_Key1Right = dkey1[1];
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387 | DES3_CRYP_KeyInitStructure.CRYP_Key2Left = dkey2[0];
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388 | DES3_CRYP_KeyInitStructure.CRYP_Key2Right = dkey2[1];
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389 | DES3_CRYP_KeyInitStructure.CRYP_Key3Left = dkey3[0];
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390 | DES3_CRYP_KeyInitStructure.CRYP_Key3Right = dkey3[1];
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391 | CRYP_KeyInit(&DES3_CRYP_KeyInitStructure);
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392 |
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393 | /* set iv */
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394 | ByteReverseWords(iv, iv, DES_BLOCK_SIZE);
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395 | DES3_CRYP_IVInitStructure.CRYP_IV0Left = iv[0];
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396 | DES3_CRYP_IVInitStructure.CRYP_IV0Right = iv[1];
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397 | CRYP_IVInit(&DES3_CRYP_IVInitStructure);
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398 |
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399 | /* enable crypto processor */
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400 | CRYP_Cmd(ENABLE);
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401 |
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402 | while (sz > 0)
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403 | {
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404 | /* flush IN/OUT FIFOs */
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405 | CRYP_FIFOFlush();
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406 |
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407 | CRYP_DataIn(*(uint32_t*)&in[0]);
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408 | CRYP_DataIn(*(uint32_t*)&in[4]);
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409 |
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410 | /* wait until the complete message has been processed */
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411 | while(CRYP_GetFlagStatus(CRYP_FLAG_BUSY) != RESET) {}
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412 |
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413 | *(uint32_t*)&out[0] = CRYP_DataOut();
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414 | *(uint32_t*)&out[4] = CRYP_DataOut();
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415 |
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416 | /* store iv for next call */
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417 | XMEMCPY(des->reg, out + sz - DES_BLOCK_SIZE, DES_BLOCK_SIZE);
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418 |
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419 | sz -= DES_BLOCK_SIZE;
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420 | in += DES_BLOCK_SIZE;
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421 | out += DES_BLOCK_SIZE;
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422 | }
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423 |
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424 | /* disable crypto processor */
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425 | CRYP_Cmd(DISABLE);
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426 | #endif /* WOLFSSL_STM32_CUBEMX */
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427 | }
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428 |
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429 | int wc_Des3_CbcEncrypt(Des3* des, byte* out, const byte* in, word32 sz)
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430 | {
|
---|
431 | Des3Crypt(des, out, in, sz, DES_ENCRYPTION);
|
---|
432 | return 0;
|
---|
433 | }
|
---|
434 |
|
---|
435 | int wc_Des3_CbcDecrypt(Des3* des, byte* out, const byte* in, word32 sz)
|
---|
436 | {
|
---|
437 | Des3Crypt(des, out, in, sz, DES_DECRYPTION);
|
---|
438 | return 0;
|
---|
439 | }
|
---|
440 |
|
---|
441 | #elif defined(HAVE_COLDFIRE_SEC)
|
---|
442 |
|
---|
443 | #include <wolfssl/ctaocrypt/types.h>
|
---|
444 |
|
---|
445 | #include "sec.h"
|
---|
446 | #include "mcf5475_sec.h"
|
---|
447 | #include "mcf5475_siu.h"
|
---|
448 |
|
---|
449 | #if defined (HAVE_THREADX)
|
---|
450 | #include "memory_pools.h"
|
---|
451 | extern TX_BYTE_POOL mp_ncached; /* Non Cached memory pool */
|
---|
452 | #endif
|
---|
453 |
|
---|
454 | #define DES_BUFFER_SIZE (DES_BLOCK_SIZE * 64)
|
---|
455 | static unsigned char *desBuffIn = NULL;
|
---|
456 | static unsigned char *desBuffOut = NULL;
|
---|
457 | static byte *secIV;
|
---|
458 | static byte *secKey;
|
---|
459 | static volatile SECdescriptorType *secDesc;
|
---|
460 |
|
---|
461 | static wolfSSL_Mutex Mutex_DesSEC;
|
---|
462 |
|
---|
463 | #define SEC_DESC_DES_CBC_ENCRYPT 0x20500010
|
---|
464 | #define SEC_DESC_DES_CBC_DECRYPT 0x20400010
|
---|
465 | #define SEC_DESC_DES3_CBC_ENCRYPT 0x20700010
|
---|
466 | #define SEC_DESC_DES3_CBC_DECRYPT 0x20600010
|
---|
467 |
|
---|
468 | #define DES_IVLEN 8
|
---|
469 | #define DES_KEYLEN 8
|
---|
470 | #define DES3_IVLEN 8
|
---|
471 | #define DES3_KEYLEN 24
|
---|
472 |
|
---|
473 | extern volatile unsigned char __MBAR[];
|
---|
474 |
|
---|
475 | static void wc_Des_Cbc(byte* out, const byte* in, word32 sz,
|
---|
476 | byte *key, byte *iv, word32 desc)
|
---|
477 | {
|
---|
478 | #ifdef DEBUG_WOLFSSL
|
---|
479 | int ret; int stat1,stat2;
|
---|
480 | #endif
|
---|
481 | int size;
|
---|
482 | volatile int v;
|
---|
483 |
|
---|
484 | wc_LockMutex(&Mutex_DesSEC) ;
|
---|
485 |
|
---|
486 | secDesc->length1 = 0x0;
|
---|
487 | secDesc->pointer1 = NULL;
|
---|
488 | if((desc==SEC_DESC_DES_CBC_ENCRYPT)||(desc==SEC_DESC_DES_CBC_DECRYPT)){
|
---|
489 | secDesc->length2 = DES_IVLEN;
|
---|
490 | secDesc->length3 = DES_KEYLEN;
|
---|
491 | } else {
|
---|
492 | secDesc->length2 = DES3_IVLEN;
|
---|
493 | secDesc->length3 = DES3_KEYLEN;
|
---|
494 | }
|
---|
495 | secDesc->pointer2 = secIV;
|
---|
496 | secDesc->pointer3 = secKey;
|
---|
497 | secDesc->pointer4 = desBuffIn;
|
---|
498 | secDesc->pointer5 = desBuffOut;
|
---|
499 | secDesc->length6 = 0;
|
---|
500 | secDesc->pointer6 = NULL;
|
---|
501 | secDesc->length7 = 0x0;
|
---|
502 | secDesc->pointer7 = NULL;
|
---|
503 | secDesc->nextDescriptorPtr = NULL;
|
---|
504 |
|
---|
505 | while(sz) {
|
---|
506 | XMEMCPY(secIV, iv, secDesc->length2);
|
---|
507 | if((sz%DES_BUFFER_SIZE) == sz) {
|
---|
508 | size = sz;
|
---|
509 | sz = 0;
|
---|
510 | } else {
|
---|
511 | size = DES_BUFFER_SIZE;
|
---|
512 | sz -= DES_BUFFER_SIZE;
|
---|
513 | }
|
---|
514 |
|
---|
515 | XMEMCPY(desBuffIn, in, size);
|
---|
516 | XMEMCPY(secKey, key, secDesc->length3);
|
---|
517 |
|
---|
518 | secDesc->header = desc;
|
---|
519 | secDesc->length4 = size;
|
---|
520 | secDesc->length5 = size;
|
---|
521 | /* Point SEC to the location of the descriptor */
|
---|
522 | MCF_SEC_FR0 = (uint32)secDesc;
|
---|
523 | /* Initialize SEC and wait for encryption to complete */
|
---|
524 | MCF_SEC_CCCR0 = 0x0000001a;
|
---|
525 | /* poll SISR to determine when channel is complete */
|
---|
526 | v=0;
|
---|
527 | while((secDesc->header>> 24) != 0xff) {
|
---|
528 | if(v++ > 1000)break;
|
---|
529 | }
|
---|
530 |
|
---|
531 | #ifdef DEBUG_WOLFSSL
|
---|
532 | ret = MCF_SEC_SISRH;
|
---|
533 | stat1 = MCF_SEC_DSR;
|
---|
534 | stat2 = MCF_SEC_DISR;
|
---|
535 | if(ret & 0xe0000000) {
|
---|
536 | /* db_printf("Des_Cbc(%x):ISRH=%08x, DSR=%08x, DISR=%08x\n", desc, ret, stat1, stat2); */
|
---|
537 | }
|
---|
538 | #endif
|
---|
539 |
|
---|
540 | XMEMCPY(out, desBuffOut, size);
|
---|
541 |
|
---|
542 | if ((desc==SEC_DESC_DES3_CBC_ENCRYPT)||(desc==SEC_DESC_DES_CBC_ENCRYPT)) {
|
---|
543 | XMEMCPY((void*)iv, (void*)&(out[size-secDesc->length2]), secDesc->length2);
|
---|
544 | } else {
|
---|
545 | XMEMCPY((void*)iv, (void*)&(in[size-secDesc->length2]), secDesc->length2);
|
---|
546 | }
|
---|
547 |
|
---|
548 | in += size;
|
---|
549 | out += size;
|
---|
550 |
|
---|
551 | }
|
---|
552 | wc_UnLockMutex(&Mutex_DesSEC) ;
|
---|
553 |
|
---|
554 | }
|
---|
555 |
|
---|
556 |
|
---|
557 | int wc_Des_CbcEncrypt(Des* des, byte* out, const byte* in, word32 sz)
|
---|
558 | {
|
---|
559 | wc_Des_Cbc(out, in, sz, (byte *)des->key, (byte *)des->reg, SEC_DESC_DES_CBC_ENCRYPT);
|
---|
560 | return 0;
|
---|
561 | }
|
---|
562 |
|
---|
563 | int wc_Des_CbcDecrypt(Des* des, byte* out, const byte* in, word32 sz)
|
---|
564 | {
|
---|
565 | wc_Des_Cbc(out, in, sz, (byte *)des->key, (byte *)des->reg, SEC_DESC_DES_CBC_DECRYPT);
|
---|
566 | return 0;
|
---|
567 | }
|
---|
568 |
|
---|
569 | int wc_Des3_CbcEncrypt(Des3* des3, byte* out, const byte* in, word32 sz)
|
---|
570 | {
|
---|
571 | wc_Des_Cbc(out, in, sz, (byte *)des3->key, (byte *)des3->reg, SEC_DESC_DES3_CBC_ENCRYPT);
|
---|
572 | return 0;
|
---|
573 | }
|
---|
574 |
|
---|
575 |
|
---|
576 | int wc_Des3_CbcDecrypt(Des3* des3, byte* out, const byte* in, word32 sz)
|
---|
577 | {
|
---|
578 | wc_Des_Cbc(out, in, sz, (byte *)des3->key, (byte *)des3->reg, SEC_DESC_DES3_CBC_DECRYPT);
|
---|
579 | return 0;
|
---|
580 | }
|
---|
581 |
|
---|
582 | static void setParity(byte *buf, int len)
|
---|
583 | {
|
---|
584 | int i, j;
|
---|
585 | byte v;
|
---|
586 | int bits;
|
---|
587 |
|
---|
588 | for (i=0; i<len; i++) {
|
---|
589 | v = buf[i] >> 1;
|
---|
590 | buf[i] = v << 1;
|
---|
591 | bits = 0;
|
---|
592 | for (j=0; j<7; j++) {
|
---|
593 | bits += (v&0x1);
|
---|
594 | v = v >> 1;
|
---|
595 | }
|
---|
596 | buf[i] |= (1 - (bits&0x1));
|
---|
597 | }
|
---|
598 |
|
---|
599 | }
|
---|
600 |
|
---|
601 | int wc_Des_SetKey(Des* des, const byte* key, const byte* iv, int dir)
|
---|
602 | {
|
---|
603 | if(desBuffIn == NULL) {
|
---|
604 | #if defined (HAVE_THREADX)
|
---|
605 | int s1, s2, s3, s4, s5;
|
---|
606 | s5 = tx_byte_allocate(&mp_ncached,(void *)&secDesc,
|
---|
607 | sizeof(SECdescriptorType), TX_NO_WAIT);
|
---|
608 | s1 = tx_byte_allocate(&mp_ncached,(void *)&desBuffIn, DES_BUFFER_SIZE, TX_NO_WAIT);
|
---|
609 | s2 = tx_byte_allocate(&mp_ncached,(void *)&desBuffOut, DES_BUFFER_SIZE, TX_NO_WAIT);
|
---|
610 | /* Don't know des or des3 to be used. Allocate larger buffers */
|
---|
611 | s3 = tx_byte_allocate(&mp_ncached,(void *)&secKey, DES3_KEYLEN,TX_NO_WAIT);
|
---|
612 | s4 = tx_byte_allocate(&mp_ncached,(void *)&secIV, DES3_IVLEN, TX_NO_WAIT);
|
---|
613 | #else
|
---|
614 | #warning "Allocate non-Cache buffers"
|
---|
615 | #endif
|
---|
616 |
|
---|
617 | InitMutex(&Mutex_DesSEC);
|
---|
618 | }
|
---|
619 |
|
---|
620 | XMEMCPY(des->key, key, DES_KEYLEN);
|
---|
621 | setParity((byte *)des->key, DES_KEYLEN);
|
---|
622 |
|
---|
623 | if (iv) {
|
---|
624 | XMEMCPY(des->reg, iv, DES_IVLEN);
|
---|
625 | } else {
|
---|
626 | XMEMSET(des->reg, 0x0, DES_IVLEN);
|
---|
627 | }
|
---|
628 | return 0;
|
---|
629 | }
|
---|
630 |
|
---|
631 | int wc_Des3_SetKey(Des3* des3, const byte* key, const byte* iv, int dir)
|
---|
632 | {
|
---|
633 |
|
---|
634 | if(desBuffIn == NULL) {
|
---|
635 | #if defined (HAVE_THREADX)
|
---|
636 | int s1, s2, s3, s4, s5;
|
---|
637 | s5 = tx_byte_allocate(&mp_ncached,(void *)&secDesc,
|
---|
638 | sizeof(SECdescriptorType), TX_NO_WAIT);
|
---|
639 | s1 = tx_byte_allocate(&mp_ncached,(void *)&desBuffIn, DES_BUFFER_SIZE, TX_NO_WAIT);
|
---|
640 | s2 = tx_byte_allocate(&mp_ncached,(void *)&desBuffOut, DES_BUFFER_SIZE, TX_NO_WAIT);
|
---|
641 | s3 = tx_byte_allocate(&mp_ncached,(void *)&secKey, DES3_KEYLEN,TX_NO_WAIT);
|
---|
642 | s4 = tx_byte_allocate(&mp_ncached,(void *)&secIV, DES3_IVLEN, TX_NO_WAIT);
|
---|
643 | #else
|
---|
644 | #warning "Allocate non-Cache buffers"
|
---|
645 | #endif
|
---|
646 |
|
---|
647 | InitMutex(&Mutex_DesSEC);
|
---|
648 | }
|
---|
649 |
|
---|
650 | XMEMCPY(des3->key[0], key, DES3_KEYLEN);
|
---|
651 | setParity((byte *)des3->key[0], DES3_KEYLEN);
|
---|
652 |
|
---|
653 | if (iv) {
|
---|
654 | XMEMCPY(des3->reg, iv, DES3_IVLEN);
|
---|
655 | } else {
|
---|
656 | XMEMSET(des3->reg, 0x0, DES3_IVLEN);
|
---|
657 | }
|
---|
658 | return 0;
|
---|
659 |
|
---|
660 | }
|
---|
661 | #elif defined(FREESCALE_LTC_DES)
|
---|
662 |
|
---|
663 | #include "fsl_ltc.h"
|
---|
664 | int wc_Des_SetKey(Des* des, const byte* key, const byte* iv, int dir)
|
---|
665 | {
|
---|
666 | byte* dkey = (byte*)des->key;
|
---|
667 |
|
---|
668 | XMEMCPY(dkey, key, 8);
|
---|
669 |
|
---|
670 | wc_Des_SetIV(des, iv);
|
---|
671 |
|
---|
672 | return 0;
|
---|
673 | }
|
---|
674 |
|
---|
675 | int wc_Des3_SetKey(Des3* des, const byte* key, const byte* iv, int dir)
|
---|
676 | {
|
---|
677 | int ret = 0;
|
---|
678 | byte* dkey1 = (byte*)des->key[0];
|
---|
679 | byte* dkey2 = (byte*)des->key[1];
|
---|
680 | byte* dkey3 = (byte*)des->key[2];
|
---|
681 |
|
---|
682 | XMEMCPY(dkey1, key, 8); /* set key 1 */
|
---|
683 | XMEMCPY(dkey2, key + 8, 8); /* set key 2 */
|
---|
684 | XMEMCPY(dkey3, key + 16, 8); /* set key 3 */
|
---|
685 |
|
---|
686 | ret = wc_Des3_SetIV(des, iv);
|
---|
687 | if (ret != 0)
|
---|
688 | return ret;
|
---|
689 |
|
---|
690 | return ret;
|
---|
691 | }
|
---|
692 |
|
---|
693 | int wc_Des_CbcEncrypt(Des* des, byte* out, const byte* in, word32 sz)
|
---|
694 | {
|
---|
695 | status_t status;
|
---|
696 | status = LTC_DES_EncryptCbc(LTC_BASE, in, out, sz, (byte*)des->reg, (byte*)des->key);
|
---|
697 | if (status == kStatus_Success)
|
---|
698 | return 0;
|
---|
699 | else
|
---|
700 | return -1;
|
---|
701 | }
|
---|
702 |
|
---|
703 | int wc_Des_CbcDecrypt(Des* des, byte* out, const byte* in, word32 sz)
|
---|
704 | {
|
---|
705 | status_t status;
|
---|
706 | status = LTC_DES_DecryptCbc(LTC_BASE, in, out, sz, (byte*)des->reg, (byte*)des->key);
|
---|
707 | if (status == kStatus_Success)
|
---|
708 | return 0;
|
---|
709 | else
|
---|
710 | return -1;
|
---|
711 | }
|
---|
712 |
|
---|
713 | int wc_Des3_CbcEncrypt(Des3* des, byte* out, const byte* in, word32 sz)
|
---|
714 | {
|
---|
715 | status_t status;
|
---|
716 | status = LTC_DES3_EncryptCbc(LTC_BASE,
|
---|
717 | in,
|
---|
718 | out,
|
---|
719 | sz,
|
---|
720 | (byte*)des->reg,
|
---|
721 | (byte*)des->key[0],
|
---|
722 | (byte*)des->key[1],
|
---|
723 | (byte*)des->key[2]);
|
---|
724 | if (status == kStatus_Success)
|
---|
725 | return 0;
|
---|
726 | else
|
---|
727 | return -1;
|
---|
728 | }
|
---|
729 |
|
---|
730 | int wc_Des3_CbcDecrypt(Des3* des, byte* out, const byte* in, word32 sz)
|
---|
731 | {
|
---|
732 | status_t status;
|
---|
733 | status = LTC_DES3_DecryptCbc(LTC_BASE,
|
---|
734 | in,
|
---|
735 | out,
|
---|
736 | sz,
|
---|
737 | (byte*)des->reg,
|
---|
738 | (byte*)des->key[0],
|
---|
739 | (byte*)des->key[1],
|
---|
740 | (byte*)des->key[2]);
|
---|
741 | if (status == kStatus_Success)
|
---|
742 | return 0;
|
---|
743 | else
|
---|
744 | return -1;
|
---|
745 |
|
---|
746 | }
|
---|
747 |
|
---|
748 | #elif defined(FREESCALE_MMCAU)
|
---|
749 | /*
|
---|
750 | * Freescale mmCAU hardware DES/3DES support through the CAU/mmCAU library.
|
---|
751 | * Documentation located in ColdFire/ColdFire+ CAU and Kinetis mmCAU
|
---|
752 | * Software Library User Guide (See note in README).
|
---|
753 | */
|
---|
754 | #ifdef FREESCALE_MMCAU_CLASSIC
|
---|
755 | #include "cau_api.h"
|
---|
756 | #else
|
---|
757 | #include "fsl_mmcau.h"
|
---|
758 | #endif
|
---|
759 |
|
---|
760 | const unsigned char parityLookup[128] = {
|
---|
761 | 1,0,0,1,0,1,1,0,0,1,1,0,1,0,0,1,0,1,1,0,1,0,0,1,1,0,0,1,0,1,1,0,
|
---|
762 | 0,1,1,0,1,0,0,1,1,0,0,1,0,1,1,0,1,0,0,1,0,1,1,0,0,1,1,0,1,0,0,1,
|
---|
763 | 0,1,1,0,1,0,0,1,1,0,0,1,0,1,1,0,1,0,0,1,0,1,1,0,0,1,1,0,1,0,0,1,
|
---|
764 | 1,0,0,1,0,1,1,0,0,1,1,0,1,0,0,1,0,1,1,0,1,0,0,1,1,0,0,1,0,1,1,0
|
---|
765 | };
|
---|
766 |
|
---|
767 | int wc_Des_SetKey(Des* des, const byte* key, const byte* iv, int dir)
|
---|
768 | {
|
---|
769 | int i = 0;
|
---|
770 | byte* dkey = (byte*)des->key;
|
---|
771 |
|
---|
772 | XMEMCPY(dkey, key, 8);
|
---|
773 |
|
---|
774 | wc_Des_SetIV(des, iv);
|
---|
775 |
|
---|
776 | /* fix key parity, if needed */
|
---|
777 | for (i = 0; i < 8; i++) {
|
---|
778 | dkey[i] = ((dkey[i] & 0xFE) | parityLookup[dkey[i] >> 1]);
|
---|
779 | }
|
---|
780 |
|
---|
781 | return 0;
|
---|
782 | }
|
---|
783 |
|
---|
784 | int wc_Des3_SetKey(Des3* des, const byte* key, const byte* iv, int dir)
|
---|
785 | {
|
---|
786 | int i = 0, ret = 0;
|
---|
787 | byte* dkey1 = (byte*)des->key[0];
|
---|
788 | byte* dkey2 = (byte*)des->key[1];
|
---|
789 | byte* dkey3 = (byte*)des->key[2];
|
---|
790 |
|
---|
791 | XMEMCPY(dkey1, key, 8); /* set key 1 */
|
---|
792 | XMEMCPY(dkey2, key + 8, 8); /* set key 2 */
|
---|
793 | XMEMCPY(dkey3, key + 16, 8); /* set key 3 */
|
---|
794 |
|
---|
795 | ret = wc_Des3_SetIV(des, iv);
|
---|
796 | if (ret != 0)
|
---|
797 | return ret;
|
---|
798 |
|
---|
799 | /* fix key parity if needed */
|
---|
800 | for (i = 0; i < 8; i++)
|
---|
801 | dkey1[i] = ((dkey1[i] & 0xFE) | parityLookup[dkey1[i] >> 1]);
|
---|
802 |
|
---|
803 | for (i = 0; i < 8; i++)
|
---|
804 | dkey2[i] = ((dkey2[i] & 0xFE) | parityLookup[dkey2[i] >> 1]);
|
---|
805 |
|
---|
806 | for (i = 0; i < 8; i++)
|
---|
807 | dkey3[i] = ((dkey3[i] & 0xFE) | parityLookup[dkey3[i] >> 1]);
|
---|
808 |
|
---|
809 | return ret;
|
---|
810 | }
|
---|
811 |
|
---|
812 | int wc_Des_CbcEncrypt(Des* des, byte* out, const byte* in, word32 sz)
|
---|
813 | {
|
---|
814 | int i;
|
---|
815 | int offset = 0;
|
---|
816 | int len = sz;
|
---|
817 | int ret = 0;
|
---|
818 | byte *iv;
|
---|
819 | byte temp_block[DES_BLOCK_SIZE];
|
---|
820 |
|
---|
821 | iv = (byte*)des->reg;
|
---|
822 |
|
---|
823 | #ifdef FREESCALE_MMCAU_CLASSIC
|
---|
824 | if ((wolfssl_word)out % WOLFSSL_MMCAU_ALIGNMENT) {
|
---|
825 | WOLFSSL_MSG("Bad cau_des_encrypt alignment");
|
---|
826 | return BAD_ALIGN_E;
|
---|
827 | }
|
---|
828 | #endif
|
---|
829 |
|
---|
830 | while (len > 0)
|
---|
831 | {
|
---|
832 | XMEMCPY(temp_block, in + offset, DES_BLOCK_SIZE);
|
---|
833 |
|
---|
834 | /* XOR block with IV for CBC */
|
---|
835 | for (i = 0; i < DES_BLOCK_SIZE; i++)
|
---|
836 | temp_block[i] ^= iv[i];
|
---|
837 |
|
---|
838 | ret = wolfSSL_CryptHwMutexLock();
|
---|
839 | if(ret != 0) {
|
---|
840 | return ret;
|
---|
841 | }
|
---|
842 | #ifdef FREESCALE_MMCAU_CLASSIC
|
---|
843 | cau_des_encrypt(temp_block, (byte*)des->key, out + offset);
|
---|
844 | #else
|
---|
845 | MMCAU_DES_EncryptEcb(temp_block, (byte*)des->key, out + offset);
|
---|
846 | #endif
|
---|
847 | wolfSSL_CryptHwMutexUnLock();
|
---|
848 |
|
---|
849 | len -= DES_BLOCK_SIZE;
|
---|
850 | offset += DES_BLOCK_SIZE;
|
---|
851 |
|
---|
852 | /* store IV for next block */
|
---|
853 | XMEMCPY(iv, out + offset - DES_BLOCK_SIZE, DES_BLOCK_SIZE);
|
---|
854 | }
|
---|
855 |
|
---|
856 | return ret;
|
---|
857 | }
|
---|
858 |
|
---|
859 | int wc_Des_CbcDecrypt(Des* des, byte* out, const byte* in, word32 sz)
|
---|
860 | {
|
---|
861 | int i;
|
---|
862 | int offset = 0;
|
---|
863 | int len = sz;
|
---|
864 | int ret = 0;
|
---|
865 | byte* iv;
|
---|
866 | byte temp_block[DES_BLOCK_SIZE];
|
---|
867 |
|
---|
868 | iv = (byte*)des->reg;
|
---|
869 |
|
---|
870 | #ifdef FREESCALE_MMCAU_CLASSIC
|
---|
871 | if ((wolfssl_word)out % WOLFSSL_MMCAU_ALIGNMENT) {
|
---|
872 | WOLFSSL_MSG("Bad cau_des_decrypt alignment");
|
---|
873 | return BAD_ALIGN_E;
|
---|
874 | }
|
---|
875 | #endif
|
---|
876 |
|
---|
877 | while (len > 0)
|
---|
878 | {
|
---|
879 | XMEMCPY(temp_block, in + offset, DES_BLOCK_SIZE);
|
---|
880 |
|
---|
881 | ret = wolfSSL_CryptHwMutexLock();
|
---|
882 | if(ret != 0) {
|
---|
883 | return ret;
|
---|
884 | }
|
---|
885 |
|
---|
886 | #ifdef FREESCALE_MMCAU_CLASSIC
|
---|
887 | cau_des_decrypt(in + offset, (byte*)des->key, out + offset);
|
---|
888 | #else
|
---|
889 | MMCAU_DES_DecryptEcb(in + offset, (byte*)des->key, out + offset);
|
---|
890 | #endif
|
---|
891 | wolfSSL_CryptHwMutexUnLock();
|
---|
892 |
|
---|
893 | /* XOR block with IV for CBC */
|
---|
894 | for (i = 0; i < DES_BLOCK_SIZE; i++)
|
---|
895 | (out + offset)[i] ^= iv[i];
|
---|
896 |
|
---|
897 | /* store IV for next block */
|
---|
898 | XMEMCPY(iv, temp_block, DES_BLOCK_SIZE);
|
---|
899 |
|
---|
900 | len -= DES_BLOCK_SIZE;
|
---|
901 | offset += DES_BLOCK_SIZE;
|
---|
902 | }
|
---|
903 |
|
---|
904 | return ret;
|
---|
905 | }
|
---|
906 |
|
---|
907 | int wc_Des3_CbcEncrypt(Des3* des, byte* out, const byte* in, word32 sz)
|
---|
908 | {
|
---|
909 | int i;
|
---|
910 | int offset = 0;
|
---|
911 | int len = sz;
|
---|
912 | int ret = 0;
|
---|
913 |
|
---|
914 | byte *iv;
|
---|
915 | byte temp_block[DES_BLOCK_SIZE];
|
---|
916 |
|
---|
917 | iv = (byte*)des->reg;
|
---|
918 |
|
---|
919 | #ifdef FREESCALE_MMCAU_CLASSIC
|
---|
920 | if ((wolfssl_word)out % WOLFSSL_MMCAU_ALIGNMENT) {
|
---|
921 | WOLFSSL_MSG("Bad 3ede cau_des_encrypt alignment");
|
---|
922 | return BAD_ALIGN_E;
|
---|
923 | }
|
---|
924 | #endif
|
---|
925 |
|
---|
926 | while (len > 0)
|
---|
927 | {
|
---|
928 | XMEMCPY(temp_block, in + offset, DES_BLOCK_SIZE);
|
---|
929 |
|
---|
930 | /* XOR block with IV for CBC */
|
---|
931 | for (i = 0; i < DES_BLOCK_SIZE; i++)
|
---|
932 | temp_block[i] ^= iv[i];
|
---|
933 |
|
---|
934 | ret = wolfSSL_CryptHwMutexLock();
|
---|
935 | if(ret != 0) {
|
---|
936 | return ret;
|
---|
937 | }
|
---|
938 | #ifdef FREESCALE_MMCAU_CLASSIC
|
---|
939 | cau_des_encrypt(temp_block, (byte*)des->key[0], out + offset);
|
---|
940 | cau_des_decrypt(out + offset, (byte*)des->key[1], out + offset);
|
---|
941 | cau_des_encrypt(out + offset, (byte*)des->key[2], out + offset);
|
---|
942 | #else
|
---|
943 | MMCAU_DES_EncryptEcb(temp_block , (byte*)des->key[0], out + offset);
|
---|
944 | MMCAU_DES_DecryptEcb(out + offset, (byte*)des->key[1], out + offset);
|
---|
945 | MMCAU_DES_EncryptEcb(out + offset, (byte*)des->key[2], out + offset);
|
---|
946 | #endif
|
---|
947 | wolfSSL_CryptHwMutexUnLock();
|
---|
948 |
|
---|
949 | len -= DES_BLOCK_SIZE;
|
---|
950 | offset += DES_BLOCK_SIZE;
|
---|
951 |
|
---|
952 | /* store IV for next block */
|
---|
953 | XMEMCPY(iv, out + offset - DES_BLOCK_SIZE, DES_BLOCK_SIZE);
|
---|
954 | }
|
---|
955 |
|
---|
956 | return ret;
|
---|
957 | }
|
---|
958 |
|
---|
959 | int wc_Des3_CbcDecrypt(Des3* des, byte* out, const byte* in, word32 sz)
|
---|
960 | {
|
---|
961 | int i;
|
---|
962 | int offset = 0;
|
---|
963 | int len = sz;
|
---|
964 | int ret = 0;
|
---|
965 |
|
---|
966 | byte* iv;
|
---|
967 | byte temp_block[DES_BLOCK_SIZE];
|
---|
968 |
|
---|
969 | iv = (byte*)des->reg;
|
---|
970 |
|
---|
971 | #ifdef FREESCALE_MMCAU_CLASSIC
|
---|
972 | if ((wolfssl_word)out % WOLFSSL_MMCAU_ALIGNMENT) {
|
---|
973 | WOLFSSL_MSG("Bad 3ede cau_des_decrypt alignment");
|
---|
974 | return BAD_ALIGN_E;
|
---|
975 | }
|
---|
976 | #endif
|
---|
977 |
|
---|
978 | while (len > 0)
|
---|
979 | {
|
---|
980 | XMEMCPY(temp_block, in + offset, DES_BLOCK_SIZE);
|
---|
981 |
|
---|
982 | ret = wolfSSL_CryptHwMutexLock();
|
---|
983 | if(ret != 0) {
|
---|
984 | return ret;
|
---|
985 | }
|
---|
986 | #ifdef FREESCALE_MMCAU_CLASSIC
|
---|
987 | cau_des_decrypt(in + offset, (byte*)des->key[2], out + offset);
|
---|
988 | cau_des_encrypt(out + offset, (byte*)des->key[1], out + offset);
|
---|
989 | cau_des_decrypt(out + offset, (byte*)des->key[0], out + offset);
|
---|
990 | #else
|
---|
991 | MMCAU_DES_DecryptEcb(in + offset , (byte*)des->key[2], out + offset);
|
---|
992 | MMCAU_DES_EncryptEcb(out + offset, (byte*)des->key[1], out + offset);
|
---|
993 | MMCAU_DES_DecryptEcb(out + offset, (byte*)des->key[0], out + offset);
|
---|
994 | #endif
|
---|
995 | wolfSSL_CryptHwMutexUnLock();
|
---|
996 |
|
---|
997 | /* XOR block with IV for CBC */
|
---|
998 | for (i = 0; i < DES_BLOCK_SIZE; i++)
|
---|
999 | (out + offset)[i] ^= iv[i];
|
---|
1000 |
|
---|
1001 | /* store IV for next block */
|
---|
1002 | XMEMCPY(iv, temp_block, DES_BLOCK_SIZE);
|
---|
1003 |
|
---|
1004 | len -= DES_BLOCK_SIZE;
|
---|
1005 | offset += DES_BLOCK_SIZE;
|
---|
1006 | }
|
---|
1007 |
|
---|
1008 | return ret;
|
---|
1009 | }
|
---|
1010 |
|
---|
1011 |
|
---|
1012 | #elif defined(WOLFSSL_PIC32MZ_CRYPT)
|
---|
1013 |
|
---|
1014 | /* PIC32MZ DES hardware requires size multiple of block size */
|
---|
1015 | #include <wolfssl/wolfcrypt/port/pic32/pic32mz-crypt.h>
|
---|
1016 |
|
---|
1017 | int wc_Des_SetKey(Des* des, const byte* key, const byte* iv, int dir)
|
---|
1018 | {
|
---|
1019 | if (des == NULL || key == NULL || iv == NULL)
|
---|
1020 | return BAD_FUNC_ARG;
|
---|
1021 |
|
---|
1022 | XMEMCPY(des->key, key, DES_KEYLEN);
|
---|
1023 | XMEMCPY(des->reg, iv, DES_IVLEN);
|
---|
1024 |
|
---|
1025 | return 0;
|
---|
1026 | }
|
---|
1027 |
|
---|
1028 | int wc_Des3_SetKey(Des3* des, const byte* key, const byte* iv, int dir)
|
---|
1029 | {
|
---|
1030 | if (des == NULL || key == NULL || iv == NULL)
|
---|
1031 | return BAD_FUNC_ARG;
|
---|
1032 |
|
---|
1033 | XMEMCPY(des->key[0], key, DES3_KEYLEN);
|
---|
1034 | XMEMCPY(des->reg, iv, DES3_IVLEN);
|
---|
1035 |
|
---|
1036 | return 0;
|
---|
1037 | }
|
---|
1038 |
|
---|
1039 | int wc_Des_CbcEncrypt(Des* des, byte* out, const byte* in, word32 sz)
|
---|
1040 | {
|
---|
1041 | word32 blocks = sz / DES_BLOCK_SIZE;
|
---|
1042 |
|
---|
1043 | if (des == NULL || out == NULL || in == NULL)
|
---|
1044 | return BAD_FUNC_ARG;
|
---|
1045 |
|
---|
1046 | return wc_Pic32DesCrypt(des->key, DES_KEYLEN, des->reg, DES_IVLEN,
|
---|
1047 | out, in, (blocks * DES_BLOCK_SIZE),
|
---|
1048 | PIC32_ENCRYPTION, PIC32_ALGO_DES, PIC32_CRYPTOALGO_CBC);
|
---|
1049 | }
|
---|
1050 |
|
---|
1051 | int wc_Des_CbcDecrypt(Des* des, byte* out, const byte* in, word32 sz)
|
---|
1052 | {
|
---|
1053 | word32 blocks = sz / DES_BLOCK_SIZE;
|
---|
1054 |
|
---|
1055 | if (des == NULL || out == NULL || in == NULL)
|
---|
1056 | return BAD_FUNC_ARG;
|
---|
1057 |
|
---|
1058 | return wc_Pic32DesCrypt(des->key, DES_KEYLEN, des->reg, DES_IVLEN,
|
---|
1059 | out, in, (blocks * DES_BLOCK_SIZE),
|
---|
1060 | PIC32_DECRYPTION, PIC32_ALGO_DES, PIC32_CRYPTOALGO_CBC);
|
---|
1061 | }
|
---|
1062 |
|
---|
1063 | int wc_Des3_CbcEncrypt(Des3* des, byte* out, const byte* in, word32 sz)
|
---|
1064 | {
|
---|
1065 | word32 blocks = sz / DES_BLOCK_SIZE;
|
---|
1066 |
|
---|
1067 | if (des == NULL || out == NULL || in == NULL)
|
---|
1068 | return BAD_FUNC_ARG;
|
---|
1069 |
|
---|
1070 | return wc_Pic32DesCrypt(des->key[0], DES3_KEYLEN, des->reg, DES3_IVLEN,
|
---|
1071 | out, in, (blocks * DES_BLOCK_SIZE),
|
---|
1072 | PIC32_ENCRYPTION, PIC32_ALGO_TDES, PIC32_CRYPTOALGO_TCBC);
|
---|
1073 | }
|
---|
1074 |
|
---|
1075 | int wc_Des3_CbcDecrypt(Des3* des, byte* out, const byte* in, word32 sz)
|
---|
1076 | {
|
---|
1077 | word32 blocks = sz / DES_BLOCK_SIZE;
|
---|
1078 |
|
---|
1079 | if (des == NULL || out == NULL || in == NULL)
|
---|
1080 | return BAD_FUNC_ARG;
|
---|
1081 |
|
---|
1082 | return wc_Pic32DesCrypt(des->key[0], DES3_KEYLEN, des->reg, DES3_IVLEN,
|
---|
1083 | out, in, (blocks * DES_BLOCK_SIZE),
|
---|
1084 | PIC32_DECRYPTION, PIC32_ALGO_TDES, PIC32_CRYPTOALGO_TCBC);
|
---|
1085 | }
|
---|
1086 |
|
---|
1087 | #ifdef WOLFSSL_DES_ECB
|
---|
1088 | int wc_Des_EcbEncrypt(Des* des, byte* out, const byte* in, word32 sz)
|
---|
1089 | {
|
---|
1090 | word32 blocks = sz / DES_BLOCK_SIZE;
|
---|
1091 |
|
---|
1092 | if (des == NULL || out == NULL || in == NULL)
|
---|
1093 | return BAD_FUNC_ARG;
|
---|
1094 |
|
---|
1095 | return wc_Pic32DesCrypt(des->key, DES_KEYLEN, des->reg, DES_IVLEN,
|
---|
1096 | out, in, (blocks * DES_BLOCK_SIZE),
|
---|
1097 | PIC32_ENCRYPTION, PIC32_ALGO_DES, PIC32_CRYPTOALGO_ECB);
|
---|
1098 | }
|
---|
1099 |
|
---|
1100 | int wc_Des3_EcbEncrypt(Des3* des, byte* out, const byte* in, word32 sz)
|
---|
1101 | {
|
---|
1102 | word32 blocks = sz / DES_BLOCK_SIZE;
|
---|
1103 |
|
---|
1104 | if (des == NULL || out == NULL || in == NULL)
|
---|
1105 | return BAD_FUNC_ARG;
|
---|
1106 |
|
---|
1107 | return wc_Pic32DesCrypt(des->key[0], DES3_KEYLEN, des->reg, DES3_IVLEN,
|
---|
1108 | out, in, (blocks * DES_BLOCK_SIZE),
|
---|
1109 | PIC32_ENCRYPTION, PIC32_ALGO_TDES, PIC32_CRYPTOALGO_TECB);
|
---|
1110 | }
|
---|
1111 | #endif /* WOLFSSL_DES_ECB */
|
---|
1112 |
|
---|
1113 | #else
|
---|
1114 | #define NEED_SOFT_DES
|
---|
1115 |
|
---|
1116 | #endif
|
---|
1117 |
|
---|
1118 |
|
---|
1119 | #ifdef NEED_SOFT_DES
|
---|
1120 |
|
---|
1121 | /* permuted choice table (key) */
|
---|
1122 | static const byte pc1[] = {
|
---|
1123 | 57, 49, 41, 33, 25, 17, 9,
|
---|
1124 | 1, 58, 50, 42, 34, 26, 18,
|
---|
1125 | 10, 2, 59, 51, 43, 35, 27,
|
---|
1126 | 19, 11, 3, 60, 52, 44, 36,
|
---|
1127 |
|
---|
1128 | 63, 55, 47, 39, 31, 23, 15,
|
---|
1129 | 7, 62, 54, 46, 38, 30, 22,
|
---|
1130 | 14, 6, 61, 53, 45, 37, 29,
|
---|
1131 | 21, 13, 5, 28, 20, 12, 4
|
---|
1132 | };
|
---|
1133 |
|
---|
1134 | /* number left rotations of pc1 */
|
---|
1135 | static const byte totrot[] = {
|
---|
1136 | 1,2,4,6,8,10,12,14,15,17,19,21,23,25,27,28
|
---|
1137 | };
|
---|
1138 |
|
---|
1139 | /* permuted choice key (table) */
|
---|
1140 | static const byte pc2[] = {
|
---|
1141 | 14, 17, 11, 24, 1, 5,
|
---|
1142 | 3, 28, 15, 6, 21, 10,
|
---|
1143 | 23, 19, 12, 4, 26, 8,
|
---|
1144 | 16, 7, 27, 20, 13, 2,
|
---|
1145 | 41, 52, 31, 37, 47, 55,
|
---|
1146 | 30, 40, 51, 45, 33, 48,
|
---|
1147 | 44, 49, 39, 56, 34, 53,
|
---|
1148 | 46, 42, 50, 36, 29, 32
|
---|
1149 | };
|
---|
1150 |
|
---|
1151 | /* End of DES-defined tables */
|
---|
1152 |
|
---|
1153 | /* bit 0 is left-most in byte */
|
---|
1154 | static const int bytebit[] = {
|
---|
1155 | 0200,0100,040,020,010,04,02,01
|
---|
1156 | };
|
---|
1157 |
|
---|
1158 | static const word32 Spbox[8][64] = {
|
---|
1159 | { 0x01010400,0x00000000,0x00010000,0x01010404,
|
---|
1160 | 0x01010004,0x00010404,0x00000004,0x00010000,
|
---|
1161 | 0x00000400,0x01010400,0x01010404,0x00000400,
|
---|
1162 | 0x01000404,0x01010004,0x01000000,0x00000004,
|
---|
1163 | 0x00000404,0x01000400,0x01000400,0x00010400,
|
---|
1164 | 0x00010400,0x01010000,0x01010000,0x01000404,
|
---|
1165 | 0x00010004,0x01000004,0x01000004,0x00010004,
|
---|
1166 | 0x00000000,0x00000404,0x00010404,0x01000000,
|
---|
1167 | 0x00010000,0x01010404,0x00000004,0x01010000,
|
---|
1168 | 0x01010400,0x01000000,0x01000000,0x00000400,
|
---|
1169 | 0x01010004,0x00010000,0x00010400,0x01000004,
|
---|
1170 | 0x00000400,0x00000004,0x01000404,0x00010404,
|
---|
1171 | 0x01010404,0x00010004,0x01010000,0x01000404,
|
---|
1172 | 0x01000004,0x00000404,0x00010404,0x01010400,
|
---|
1173 | 0x00000404,0x01000400,0x01000400,0x00000000,
|
---|
1174 | 0x00010004,0x00010400,0x00000000,0x01010004},
|
---|
1175 | { 0x80108020,0x80008000,0x00008000,0x00108020,
|
---|
1176 | 0x00100000,0x00000020,0x80100020,0x80008020,
|
---|
1177 | 0x80000020,0x80108020,0x80108000,0x80000000,
|
---|
1178 | 0x80008000,0x00100000,0x00000020,0x80100020,
|
---|
1179 | 0x00108000,0x00100020,0x80008020,0x00000000,
|
---|
1180 | 0x80000000,0x00008000,0x00108020,0x80100000,
|
---|
1181 | 0x00100020,0x80000020,0x00000000,0x00108000,
|
---|
1182 | 0x00008020,0x80108000,0x80100000,0x00008020,
|
---|
1183 | 0x00000000,0x00108020,0x80100020,0x00100000,
|
---|
1184 | 0x80008020,0x80100000,0x80108000,0x00008000,
|
---|
1185 | 0x80100000,0x80008000,0x00000020,0x80108020,
|
---|
1186 | 0x00108020,0x00000020,0x00008000,0x80000000,
|
---|
1187 | 0x00008020,0x80108000,0x00100000,0x80000020,
|
---|
1188 | 0x00100020,0x80008020,0x80000020,0x00100020,
|
---|
1189 | 0x00108000,0x00000000,0x80008000,0x00008020,
|
---|
1190 | 0x80000000,0x80100020,0x80108020,0x00108000},
|
---|
1191 | { 0x00000208,0x08020200,0x00000000,0x08020008,
|
---|
1192 | 0x08000200,0x00000000,0x00020208,0x08000200,
|
---|
1193 | 0x00020008,0x08000008,0x08000008,0x00020000,
|
---|
1194 | 0x08020208,0x00020008,0x08020000,0x00000208,
|
---|
1195 | 0x08000000,0x00000008,0x08020200,0x00000200,
|
---|
1196 | 0x00020200,0x08020000,0x08020008,0x00020208,
|
---|
1197 | 0x08000208,0x00020200,0x00020000,0x08000208,
|
---|
1198 | 0x00000008,0x08020208,0x00000200,0x08000000,
|
---|
1199 | 0x08020200,0x08000000,0x00020008,0x00000208,
|
---|
1200 | 0x00020000,0x08020200,0x08000200,0x00000000,
|
---|
1201 | 0x00000200,0x00020008,0x08020208,0x08000200,
|
---|
1202 | 0x08000008,0x00000200,0x00000000,0x08020008,
|
---|
1203 | 0x08000208,0x00020000,0x08000000,0x08020208,
|
---|
1204 | 0x00000008,0x00020208,0x00020200,0x08000008,
|
---|
1205 | 0x08020000,0x08000208,0x00000208,0x08020000,
|
---|
1206 | 0x00020208,0x00000008,0x08020008,0x00020200},
|
---|
1207 | { 0x00802001,0x00002081,0x00002081,0x00000080,
|
---|
1208 | 0x00802080,0x00800081,0x00800001,0x00002001,
|
---|
1209 | 0x00000000,0x00802000,0x00802000,0x00802081,
|
---|
1210 | 0x00000081,0x00000000,0x00800080,0x00800001,
|
---|
1211 | 0x00000001,0x00002000,0x00800000,0x00802001,
|
---|
1212 | 0x00000080,0x00800000,0x00002001,0x00002080,
|
---|
1213 | 0x00800081,0x00000001,0x00002080,0x00800080,
|
---|
1214 | 0x00002000,0x00802080,0x00802081,0x00000081,
|
---|
1215 | 0x00800080,0x00800001,0x00802000,0x00802081,
|
---|
1216 | 0x00000081,0x00000000,0x00000000,0x00802000,
|
---|
1217 | 0x00002080,0x00800080,0x00800081,0x00000001,
|
---|
1218 | 0x00802001,0x00002081,0x00002081,0x00000080,
|
---|
1219 | 0x00802081,0x00000081,0x00000001,0x00002000,
|
---|
1220 | 0x00800001,0x00002001,0x00802080,0x00800081,
|
---|
1221 | 0x00002001,0x00002080,0x00800000,0x00802001,
|
---|
1222 | 0x00000080,0x00800000,0x00002000,0x00802080},
|
---|
1223 | { 0x00000100,0x02080100,0x02080000,0x42000100,
|
---|
1224 | 0x00080000,0x00000100,0x40000000,0x02080000,
|
---|
1225 | 0x40080100,0x00080000,0x02000100,0x40080100,
|
---|
1226 | 0x42000100,0x42080000,0x00080100,0x40000000,
|
---|
1227 | 0x02000000,0x40080000,0x40080000,0x00000000,
|
---|
1228 | 0x40000100,0x42080100,0x42080100,0x02000100,
|
---|
1229 | 0x42080000,0x40000100,0x00000000,0x42000000,
|
---|
1230 | 0x02080100,0x02000000,0x42000000,0x00080100,
|
---|
1231 | 0x00080000,0x42000100,0x00000100,0x02000000,
|
---|
1232 | 0x40000000,0x02080000,0x42000100,0x40080100,
|
---|
1233 | 0x02000100,0x40000000,0x42080000,0x02080100,
|
---|
1234 | 0x40080100,0x00000100,0x02000000,0x42080000,
|
---|
1235 | 0x42080100,0x00080100,0x42000000,0x42080100,
|
---|
1236 | 0x02080000,0x00000000,0x40080000,0x42000000,
|
---|
1237 | 0x00080100,0x02000100,0x40000100,0x00080000,
|
---|
1238 | 0x00000000,0x40080000,0x02080100,0x40000100},
|
---|
1239 | { 0x20000010,0x20400000,0x00004000,0x20404010,
|
---|
1240 | 0x20400000,0x00000010,0x20404010,0x00400000,
|
---|
1241 | 0x20004000,0x00404010,0x00400000,0x20000010,
|
---|
1242 | 0x00400010,0x20004000,0x20000000,0x00004010,
|
---|
1243 | 0x00000000,0x00400010,0x20004010,0x00004000,
|
---|
1244 | 0x00404000,0x20004010,0x00000010,0x20400010,
|
---|
1245 | 0x20400010,0x00000000,0x00404010,0x20404000,
|
---|
1246 | 0x00004010,0x00404000,0x20404000,0x20000000,
|
---|
1247 | 0x20004000,0x00000010,0x20400010,0x00404000,
|
---|
1248 | 0x20404010,0x00400000,0x00004010,0x20000010,
|
---|
1249 | 0x00400000,0x20004000,0x20000000,0x00004010,
|
---|
1250 | 0x20000010,0x20404010,0x00404000,0x20400000,
|
---|
1251 | 0x00404010,0x20404000,0x00000000,0x20400010,
|
---|
1252 | 0x00000010,0x00004000,0x20400000,0x00404010,
|
---|
1253 | 0x00004000,0x00400010,0x20004010,0x00000000,
|
---|
1254 | 0x20404000,0x20000000,0x00400010,0x20004010},
|
---|
1255 | { 0x00200000,0x04200002,0x04000802,0x00000000,
|
---|
1256 | 0x00000800,0x04000802,0x00200802,0x04200800,
|
---|
1257 | 0x04200802,0x00200000,0x00000000,0x04000002,
|
---|
1258 | 0x00000002,0x04000000,0x04200002,0x00000802,
|
---|
1259 | 0x04000800,0x00200802,0x00200002,0x04000800,
|
---|
1260 | 0x04000002,0x04200000,0x04200800,0x00200002,
|
---|
1261 | 0x04200000,0x00000800,0x00000802,0x04200802,
|
---|
1262 | 0x00200800,0x00000002,0x04000000,0x00200800,
|
---|
1263 | 0x04000000,0x00200800,0x00200000,0x04000802,
|
---|
1264 | 0x04000802,0x04200002,0x04200002,0x00000002,
|
---|
1265 | 0x00200002,0x04000000,0x04000800,0x00200000,
|
---|
1266 | 0x04200800,0x00000802,0x00200802,0x04200800,
|
---|
1267 | 0x00000802,0x04000002,0x04200802,0x04200000,
|
---|
1268 | 0x00200800,0x00000000,0x00000002,0x04200802,
|
---|
1269 | 0x00000000,0x00200802,0x04200000,0x00000800,
|
---|
1270 | 0x04000002,0x04000800,0x00000800,0x00200002},
|
---|
1271 | { 0x10001040,0x00001000,0x00040000,0x10041040,
|
---|
1272 | 0x10000000,0x10001040,0x00000040,0x10000000,
|
---|
1273 | 0x00040040,0x10040000,0x10041040,0x00041000,
|
---|
1274 | 0x10041000,0x00041040,0x00001000,0x00000040,
|
---|
1275 | 0x10040000,0x10000040,0x10001000,0x00001040,
|
---|
1276 | 0x00041000,0x00040040,0x10040040,0x10041000,
|
---|
1277 | 0x00001040,0x00000000,0x00000000,0x10040040,
|
---|
1278 | 0x10000040,0x10001000,0x00041040,0x00040000,
|
---|
1279 | 0x00041040,0x00040000,0x10041000,0x00001000,
|
---|
1280 | 0x00000040,0x10040040,0x00001000,0x00041040,
|
---|
1281 | 0x10001000,0x00000040,0x10000040,0x10040000,
|
---|
1282 | 0x10040040,0x10000000,0x00040000,0x10001040,
|
---|
1283 | 0x00000000,0x10041040,0x00040040,0x10000040,
|
---|
1284 | 0x10040000,0x10001000,0x10001040,0x00000000,
|
---|
1285 | 0x10041040,0x00041000,0x00041000,0x00001040,
|
---|
1286 | 0x00001040,0x00040040,0x10000000,0x10041000}
|
---|
1287 | };
|
---|
1288 |
|
---|
1289 | static INLINE void IPERM(word32* left, word32* right)
|
---|
1290 | {
|
---|
1291 | word32 work;
|
---|
1292 |
|
---|
1293 | *right = rotlFixed(*right, 4U);
|
---|
1294 | work = (*left ^ *right) & 0xf0f0f0f0;
|
---|
1295 | *left ^= work;
|
---|
1296 |
|
---|
1297 | *right = rotrFixed(*right^work, 20U);
|
---|
1298 | work = (*left ^ *right) & 0xffff0000;
|
---|
1299 | *left ^= work;
|
---|
1300 |
|
---|
1301 | *right = rotrFixed(*right^work, 18U);
|
---|
1302 | work = (*left ^ *right) & 0x33333333;
|
---|
1303 | *left ^= work;
|
---|
1304 |
|
---|
1305 | *right = rotrFixed(*right^work, 6U);
|
---|
1306 | work = (*left ^ *right) & 0x00ff00ff;
|
---|
1307 | *left ^= work;
|
---|
1308 |
|
---|
1309 | *right = rotlFixed(*right^work, 9U);
|
---|
1310 | work = (*left ^ *right) & 0xaaaaaaaa;
|
---|
1311 | *left = rotlFixed(*left^work, 1U);
|
---|
1312 | *right ^= work;
|
---|
1313 | }
|
---|
1314 |
|
---|
1315 | static INLINE void FPERM(word32* left, word32* right)
|
---|
1316 | {
|
---|
1317 | word32 work;
|
---|
1318 |
|
---|
1319 | *right = rotrFixed(*right, 1U);
|
---|
1320 | work = (*left ^ *right) & 0xaaaaaaaa;
|
---|
1321 | *right ^= work;
|
---|
1322 |
|
---|
1323 | *left = rotrFixed(*left^work, 9U);
|
---|
1324 | work = (*left ^ *right) & 0x00ff00ff;
|
---|
1325 | *right ^= work;
|
---|
1326 |
|
---|
1327 | *left = rotlFixed(*left^work, 6U);
|
---|
1328 | work = (*left ^ *right) & 0x33333333;
|
---|
1329 | *right ^= work;
|
---|
1330 |
|
---|
1331 | *left = rotlFixed(*left^work, 18U);
|
---|
1332 | work = (*left ^ *right) & 0xffff0000;
|
---|
1333 | *right ^= work;
|
---|
1334 |
|
---|
1335 | *left = rotlFixed(*left^work, 20U);
|
---|
1336 | work = (*left ^ *right) & 0xf0f0f0f0;
|
---|
1337 | *right ^= work;
|
---|
1338 |
|
---|
1339 | *left = rotrFixed(*left^work, 4U);
|
---|
1340 | }
|
---|
1341 |
|
---|
1342 | static int DesSetKey(const byte* key, int dir, word32* out)
|
---|
1343 | {
|
---|
1344 | #define DES_KEY_BUFFER_SIZE (56+56+8)
|
---|
1345 | #ifdef WOLFSSL_SMALL_STACK
|
---|
1346 | byte* buffer = (byte*)XMALLOC(DES_KEY_BUFFER_SIZE, NULL, DYNAMIC_TYPE_TMP_BUFFER);
|
---|
1347 |
|
---|
1348 | if (buffer == NULL)
|
---|
1349 | return MEMORY_E;
|
---|
1350 | #else
|
---|
1351 | byte buffer[DES_KEY_BUFFER_SIZE];
|
---|
1352 | #endif
|
---|
1353 |
|
---|
1354 | {
|
---|
1355 | byte* const pc1m = buffer; /* place to modify pc1 into */
|
---|
1356 | byte* const pcr = pc1m + 56; /* place to rotate pc1 into */
|
---|
1357 | byte* const ks = pcr + 56;
|
---|
1358 | register int i, j, l;
|
---|
1359 | int m;
|
---|
1360 |
|
---|
1361 | for (j = 0; j < 56; j++) { /* convert pc1 to bits of key */
|
---|
1362 | l = pc1[j] - 1; /* integer bit location */
|
---|
1363 | m = l & 07; /* find bit */
|
---|
1364 | pc1m[j] = (key[l >> 3] & /* find which key byte l is in */
|
---|
1365 | bytebit[m]) /* and which bit of that byte */
|
---|
1366 | ? 1 : 0; /* and store 1-bit result */
|
---|
1367 | }
|
---|
1368 |
|
---|
1369 | for (i = 0; i < 16; i++) { /* key chunk for each iteration */
|
---|
1370 | XMEMSET(ks, 0, 8); /* Clear key schedule */
|
---|
1371 |
|
---|
1372 | for (j = 0; j < 56; j++) /* rotate pc1 the right amount */
|
---|
1373 | pcr[j] =
|
---|
1374 | pc1m[(l = j + totrot[i]) < (j < 28 ? 28 : 56) ? l : l-28];
|
---|
1375 |
|
---|
1376 | /* rotate left and right halves independently */
|
---|
1377 | for (j = 0; j < 48; j++) { /* select bits individually */
|
---|
1378 | if (pcr[pc2[j] - 1]) { /* check bit that goes to ks[j] */
|
---|
1379 | l= j % 6; /* mask it in if it's there */
|
---|
1380 | ks[j/6] |= bytebit[l] >> 2;
|
---|
1381 | }
|
---|
1382 | }
|
---|
1383 |
|
---|
1384 | /* Now convert to odd/even interleaved form for use in F */
|
---|
1385 | out[2*i] = ((word32) ks[0] << 24)
|
---|
1386 | | ((word32) ks[2] << 16)
|
---|
1387 | | ((word32) ks[4] << 8)
|
---|
1388 | | ((word32) ks[6]);
|
---|
1389 |
|
---|
1390 | out[2*i + 1] = ((word32) ks[1] << 24)
|
---|
1391 | | ((word32) ks[3] << 16)
|
---|
1392 | | ((word32) ks[5] << 8)
|
---|
1393 | | ((word32) ks[7]);
|
---|
1394 | }
|
---|
1395 |
|
---|
1396 | /* reverse key schedule order */
|
---|
1397 | if (dir == DES_DECRYPTION) {
|
---|
1398 | for (i = 0; i < 16; i += 2) {
|
---|
1399 | word32 swap = out[i];
|
---|
1400 | out[i] = out[DES_KS_SIZE - 2 - i];
|
---|
1401 | out[DES_KS_SIZE - 2 - i] = swap;
|
---|
1402 |
|
---|
1403 | swap = out[i + 1];
|
---|
1404 | out[i + 1] = out[DES_KS_SIZE - 1 - i];
|
---|
1405 | out[DES_KS_SIZE - 1 - i] = swap;
|
---|
1406 | }
|
---|
1407 | }
|
---|
1408 |
|
---|
1409 | #ifdef WOLFSSL_SMALL_STACK
|
---|
1410 | XFREE(buffer, NULL, DYNAMIC_TYPE_TMP_BUFFER);
|
---|
1411 | #endif
|
---|
1412 | }
|
---|
1413 |
|
---|
1414 | return 0;
|
---|
1415 | }
|
---|
1416 |
|
---|
1417 | int wc_Des_SetKey(Des* des, const byte* key, const byte* iv, int dir)
|
---|
1418 | {
|
---|
1419 | wc_Des_SetIV(des, iv);
|
---|
1420 |
|
---|
1421 | return DesSetKey(key, dir, des->key);
|
---|
1422 | }
|
---|
1423 |
|
---|
1424 | int wc_Des3_SetKey(Des3* des, const byte* key, const byte* iv, int dir)
|
---|
1425 | {
|
---|
1426 | int ret;
|
---|
1427 |
|
---|
1428 | if (des == NULL || key == NULL || dir < 0) {
|
---|
1429 | return BAD_FUNC_ARG;
|
---|
1430 | }
|
---|
1431 |
|
---|
1432 | #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_3DES)
|
---|
1433 | if (des->asyncDev.marker == WOLFSSL_ASYNC_MARKER_3DES) {
|
---|
1434 | /* key_raw holds orignal key copy */
|
---|
1435 | des->key_raw = key;
|
---|
1436 | des->iv_raw = iv;
|
---|
1437 |
|
---|
1438 | /* continue on to set normal key for smaller DES operations */
|
---|
1439 | }
|
---|
1440 | #endif /* WOLFSSL_ASYNC_CRYPT */
|
---|
1441 |
|
---|
1442 | ret = DesSetKey(key + (dir == DES_ENCRYPTION ? 0:16), dir, des->key[0]);
|
---|
1443 | if (ret != 0)
|
---|
1444 | return ret;
|
---|
1445 |
|
---|
1446 | ret = DesSetKey(key + 8, !dir, des->key[1]);
|
---|
1447 | if (ret != 0)
|
---|
1448 | return ret;
|
---|
1449 |
|
---|
1450 | ret = DesSetKey(key + (dir == DES_DECRYPTION ? 0:16), dir, des->key[2]);
|
---|
1451 | if (ret != 0)
|
---|
1452 | return ret;
|
---|
1453 |
|
---|
1454 | return wc_Des3_SetIV(des, iv);
|
---|
1455 | }
|
---|
1456 |
|
---|
1457 | static void DesRawProcessBlock(word32* lIn, word32* rIn, const word32* kptr)
|
---|
1458 | {
|
---|
1459 | word32 l = *lIn, r = *rIn, i;
|
---|
1460 |
|
---|
1461 | for (i=0; i<8; i++)
|
---|
1462 | {
|
---|
1463 | word32 work = rotrFixed(r, 4U) ^ kptr[4*i+0];
|
---|
1464 | l ^= Spbox[6][(work) & 0x3f]
|
---|
1465 | ^ Spbox[4][(work >> 8) & 0x3f]
|
---|
1466 | ^ Spbox[2][(work >> 16) & 0x3f]
|
---|
1467 | ^ Spbox[0][(work >> 24) & 0x3f];
|
---|
1468 | work = r ^ kptr[4*i+1];
|
---|
1469 | l ^= Spbox[7][(work) & 0x3f]
|
---|
1470 | ^ Spbox[5][(work >> 8) & 0x3f]
|
---|
1471 | ^ Spbox[3][(work >> 16) & 0x3f]
|
---|
1472 | ^ Spbox[1][(work >> 24) & 0x3f];
|
---|
1473 |
|
---|
1474 | work = rotrFixed(l, 4U) ^ kptr[4*i+2];
|
---|
1475 | r ^= Spbox[6][(work) & 0x3f]
|
---|
1476 | ^ Spbox[4][(work >> 8) & 0x3f]
|
---|
1477 | ^ Spbox[2][(work >> 16) & 0x3f]
|
---|
1478 | ^ Spbox[0][(work >> 24) & 0x3f];
|
---|
1479 | work = l ^ kptr[4*i+3];
|
---|
1480 | r ^= Spbox[7][(work) & 0x3f]
|
---|
1481 | ^ Spbox[5][(work >> 8) & 0x3f]
|
---|
1482 | ^ Spbox[3][(work >> 16) & 0x3f]
|
---|
1483 | ^ Spbox[1][(work >> 24) & 0x3f];
|
---|
1484 | }
|
---|
1485 |
|
---|
1486 | *lIn = l; *rIn = r;
|
---|
1487 | }
|
---|
1488 |
|
---|
1489 | static void DesProcessBlock(Des* des, const byte* in, byte* out)
|
---|
1490 | {
|
---|
1491 | word32 l, r;
|
---|
1492 |
|
---|
1493 | XMEMCPY(&l, in, sizeof(l));
|
---|
1494 | XMEMCPY(&r, in + sizeof(l), sizeof(r));
|
---|
1495 | #ifdef LITTLE_ENDIAN_ORDER
|
---|
1496 | l = ByteReverseWord32(l);
|
---|
1497 | r = ByteReverseWord32(r);
|
---|
1498 | #endif
|
---|
1499 | IPERM(&l,&r);
|
---|
1500 |
|
---|
1501 | DesRawProcessBlock(&l, &r, des->key);
|
---|
1502 |
|
---|
1503 | FPERM(&l,&r);
|
---|
1504 | #ifdef LITTLE_ENDIAN_ORDER
|
---|
1505 | l = ByteReverseWord32(l);
|
---|
1506 | r = ByteReverseWord32(r);
|
---|
1507 | #endif
|
---|
1508 | XMEMCPY(out, &r, sizeof(r));
|
---|
1509 | XMEMCPY(out + sizeof(r), &l, sizeof(l));
|
---|
1510 | }
|
---|
1511 |
|
---|
1512 | static void Des3ProcessBlock(Des3* des, const byte* in, byte* out)
|
---|
1513 | {
|
---|
1514 | word32 l, r;
|
---|
1515 |
|
---|
1516 | XMEMCPY(&l, in, sizeof(l));
|
---|
1517 | XMEMCPY(&r, in + sizeof(l), sizeof(r));
|
---|
1518 | #ifdef LITTLE_ENDIAN_ORDER
|
---|
1519 | l = ByteReverseWord32(l);
|
---|
1520 | r = ByteReverseWord32(r);
|
---|
1521 | #endif
|
---|
1522 | IPERM(&l,&r);
|
---|
1523 |
|
---|
1524 | DesRawProcessBlock(&l, &r, des->key[0]);
|
---|
1525 | DesRawProcessBlock(&r, &l, des->key[1]);
|
---|
1526 | DesRawProcessBlock(&l, &r, des->key[2]);
|
---|
1527 |
|
---|
1528 | FPERM(&l,&r);
|
---|
1529 | #ifdef LITTLE_ENDIAN_ORDER
|
---|
1530 | l = ByteReverseWord32(l);
|
---|
1531 | r = ByteReverseWord32(r);
|
---|
1532 | #endif
|
---|
1533 | XMEMCPY(out, &r, sizeof(r));
|
---|
1534 | XMEMCPY(out + sizeof(r), &l, sizeof(l));
|
---|
1535 | }
|
---|
1536 |
|
---|
1537 | int wc_Des_CbcEncrypt(Des* des, byte* out, const byte* in, word32 sz)
|
---|
1538 | {
|
---|
1539 | word32 blocks = sz / DES_BLOCK_SIZE;
|
---|
1540 |
|
---|
1541 | while (blocks--) {
|
---|
1542 | xorbuf((byte*)des->reg, in, DES_BLOCK_SIZE);
|
---|
1543 | DesProcessBlock(des, (byte*)des->reg, (byte*)des->reg);
|
---|
1544 | XMEMCPY(out, des->reg, DES_BLOCK_SIZE);
|
---|
1545 |
|
---|
1546 | out += DES_BLOCK_SIZE;
|
---|
1547 | in += DES_BLOCK_SIZE;
|
---|
1548 | }
|
---|
1549 | return 0;
|
---|
1550 | }
|
---|
1551 |
|
---|
1552 | int wc_Des_CbcDecrypt(Des* des, byte* out, const byte* in, word32 sz)
|
---|
1553 | {
|
---|
1554 | word32 blocks = sz / DES_BLOCK_SIZE;
|
---|
1555 |
|
---|
1556 | while (blocks--) {
|
---|
1557 | XMEMCPY(des->tmp, in, DES_BLOCK_SIZE);
|
---|
1558 | DesProcessBlock(des, (byte*)des->tmp, out);
|
---|
1559 | xorbuf(out, (byte*)des->reg, DES_BLOCK_SIZE);
|
---|
1560 | XMEMCPY(des->reg, des->tmp, DES_BLOCK_SIZE);
|
---|
1561 |
|
---|
1562 | out += DES_BLOCK_SIZE;
|
---|
1563 | in += DES_BLOCK_SIZE;
|
---|
1564 | }
|
---|
1565 | return 0;
|
---|
1566 | }
|
---|
1567 |
|
---|
1568 | int wc_Des3_CbcEncrypt(Des3* des, byte* out, const byte* in, word32 sz)
|
---|
1569 | {
|
---|
1570 | word32 blocks;
|
---|
1571 |
|
---|
1572 | if (des == NULL || out == NULL || in == NULL) {
|
---|
1573 | return BAD_FUNC_ARG;
|
---|
1574 | }
|
---|
1575 |
|
---|
1576 | #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_3DES)
|
---|
1577 | if (des->asyncDev.marker == WOLFSSL_ASYNC_MARKER_3DES &&
|
---|
1578 | sz >= WC_ASYNC_THRESH_DES3_CBC) {
|
---|
1579 | #if defined(HAVE_CAVIUM)
|
---|
1580 | return NitroxDes3CbcEncrypt(des, out, in, sz);
|
---|
1581 | #elif defined(HAVE_INTEL_QA)
|
---|
1582 | return IntelQaSymDes3CbcEncrypt(&des->asyncDev, out, in, sz,
|
---|
1583 | des->key_raw, DES3_KEYLEN, (byte*)des->iv_raw, DES3_IVLEN);
|
---|
1584 | #else /* WOLFSSL_ASYNC_CRYPT_TEST */
|
---|
1585 | if (wc_AsyncTestInit(&des->asyncDev, ASYNC_TEST_DES3_CBC_ENCRYPT)) {
|
---|
1586 | WC_ASYNC_TEST* testDev = &des->asyncDev.test;
|
---|
1587 | testDev->des.des = des;
|
---|
1588 | testDev->des.out = out;
|
---|
1589 | testDev->des.in = in;
|
---|
1590 | testDev->des.sz = sz;
|
---|
1591 | return WC_PENDING_E;
|
---|
1592 | }
|
---|
1593 | #endif
|
---|
1594 | }
|
---|
1595 | #endif /* WOLFSSL_ASYNC_CRYPT */
|
---|
1596 |
|
---|
1597 | blocks = sz / DES_BLOCK_SIZE;
|
---|
1598 | while (blocks--) {
|
---|
1599 | xorbuf((byte*)des->reg, in, DES_BLOCK_SIZE);
|
---|
1600 | Des3ProcessBlock(des, (byte*)des->reg, (byte*)des->reg);
|
---|
1601 | XMEMCPY(out, des->reg, DES_BLOCK_SIZE);
|
---|
1602 |
|
---|
1603 | out += DES_BLOCK_SIZE;
|
---|
1604 | in += DES_BLOCK_SIZE;
|
---|
1605 | }
|
---|
1606 | return 0;
|
---|
1607 | }
|
---|
1608 |
|
---|
1609 |
|
---|
1610 | int wc_Des3_CbcDecrypt(Des3* des, byte* out, const byte* in, word32 sz)
|
---|
1611 | {
|
---|
1612 | word32 blocks;
|
---|
1613 |
|
---|
1614 | if (des == NULL || out == NULL || in == NULL) {
|
---|
1615 | return BAD_FUNC_ARG;
|
---|
1616 | }
|
---|
1617 |
|
---|
1618 | #if defined(WOLFSSL_ASYNC_CRYPT)
|
---|
1619 | if (des->asyncDev.marker == WOLFSSL_ASYNC_MARKER_3DES &&
|
---|
1620 | sz >= WC_ASYNC_THRESH_DES3_CBC) {
|
---|
1621 | #if defined(HAVE_CAVIUM)
|
---|
1622 | return NitroxDes3CbcDecrypt(des, out, in, sz);
|
---|
1623 | #elif defined(HAVE_INTEL_QA)
|
---|
1624 | return IntelQaSymDes3CbcDecrypt(&des->asyncDev, out, in, sz,
|
---|
1625 | des->key_raw, DES3_KEYLEN, (byte*)des->iv_raw, DES3_IVLEN);
|
---|
1626 | #else /* WOLFSSL_ASYNC_CRYPT_TEST */
|
---|
1627 | if (wc_AsyncTestInit(&des->asyncDev, ASYNC_TEST_DES3_CBC_DECRYPT)) {
|
---|
1628 | WC_ASYNC_TEST* testDev = &des->asyncDev.test;
|
---|
1629 | testDev->des.des = des;
|
---|
1630 | testDev->des.out = out;
|
---|
1631 | testDev->des.in = in;
|
---|
1632 | testDev->des.sz = sz;
|
---|
1633 | return WC_PENDING_E;
|
---|
1634 | }
|
---|
1635 | #endif
|
---|
1636 | }
|
---|
1637 | #endif /* WOLFSSL_ASYNC_CRYPT */
|
---|
1638 |
|
---|
1639 | blocks = sz / DES_BLOCK_SIZE;
|
---|
1640 | while (blocks--) {
|
---|
1641 | XMEMCPY(des->tmp, in, DES_BLOCK_SIZE);
|
---|
1642 | Des3ProcessBlock(des, (byte*)des->tmp, out);
|
---|
1643 | xorbuf(out, (byte*)des->reg, DES_BLOCK_SIZE);
|
---|
1644 | XMEMCPY(des->reg, des->tmp, DES_BLOCK_SIZE);
|
---|
1645 |
|
---|
1646 | out += DES_BLOCK_SIZE;
|
---|
1647 | in += DES_BLOCK_SIZE;
|
---|
1648 | }
|
---|
1649 | return 0;
|
---|
1650 | }
|
---|
1651 |
|
---|
1652 | #ifdef WOLFSSL_DES_ECB
|
---|
1653 | /* One block, compatibility only */
|
---|
1654 | int wc_Des_EcbEncrypt(Des* des, byte* out, const byte* in, word32 sz)
|
---|
1655 | {
|
---|
1656 | word32 blocks = sz / DES_BLOCK_SIZE;
|
---|
1657 |
|
---|
1658 | if (des == NULL || out == NULL || in == NULL) {
|
---|
1659 | return BAD_FUNC_ARG;
|
---|
1660 | }
|
---|
1661 |
|
---|
1662 | while (blocks--) {
|
---|
1663 | DesProcessBlock(des, in, out);
|
---|
1664 |
|
---|
1665 | out += DES_BLOCK_SIZE;
|
---|
1666 | in += DES_BLOCK_SIZE;
|
---|
1667 | }
|
---|
1668 | return 0;
|
---|
1669 | }
|
---|
1670 |
|
---|
1671 | int wc_Des3_EcbEncrypt(Des3* des, byte* out, const byte* in, word32 sz)
|
---|
1672 | {
|
---|
1673 | word32 blocks = sz / DES_BLOCK_SIZE;
|
---|
1674 |
|
---|
1675 | if (des == NULL || out == NULL || in == NULL) {
|
---|
1676 | return BAD_FUNC_ARG;
|
---|
1677 | }
|
---|
1678 |
|
---|
1679 | while (blocks--) {
|
---|
1680 | Des3ProcessBlock(des, in, out);
|
---|
1681 |
|
---|
1682 | out += DES_BLOCK_SIZE;
|
---|
1683 | in += DES_BLOCK_SIZE;
|
---|
1684 | }
|
---|
1685 | return 0;
|
---|
1686 | }
|
---|
1687 | #endif /* WOLFSSL_DES_ECB */
|
---|
1688 |
|
---|
1689 | #endif /* NEED_SOFT_DES */
|
---|
1690 |
|
---|
1691 |
|
---|
1692 | void wc_Des_SetIV(Des* des, const byte* iv)
|
---|
1693 | {
|
---|
1694 | if (des && iv)
|
---|
1695 | XMEMCPY(des->reg, iv, DES_BLOCK_SIZE);
|
---|
1696 | else if (des)
|
---|
1697 | XMEMSET(des->reg, 0, DES_BLOCK_SIZE);
|
---|
1698 | }
|
---|
1699 |
|
---|
1700 | int wc_Des3_SetIV(Des3* des, const byte* iv)
|
---|
1701 | {
|
---|
1702 | if (des == NULL) {
|
---|
1703 | return BAD_FUNC_ARG;
|
---|
1704 | }
|
---|
1705 | if (des && iv)
|
---|
1706 | XMEMCPY(des->reg, iv, DES_BLOCK_SIZE);
|
---|
1707 | else if (des)
|
---|
1708 | XMEMSET(des->reg, 0, DES_BLOCK_SIZE);
|
---|
1709 |
|
---|
1710 | return 0;
|
---|
1711 | }
|
---|
1712 |
|
---|
1713 |
|
---|
1714 | /* Initialize Des3 for use with async device */
|
---|
1715 | int wc_Des3Init(Des3* des3, void* heap, int devId)
|
---|
1716 | {
|
---|
1717 | int ret = 0;
|
---|
1718 | if (des3 == NULL)
|
---|
1719 | return BAD_FUNC_ARG;
|
---|
1720 |
|
---|
1721 | des3->heap = heap;
|
---|
1722 |
|
---|
1723 | #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_3DES)
|
---|
1724 | ret = wolfAsync_DevCtxInit(&des3->asyncDev, WOLFSSL_ASYNC_MARKER_3DES,
|
---|
1725 | des3->heap, devId);
|
---|
1726 | #else
|
---|
1727 | (void)devId;
|
---|
1728 | #endif
|
---|
1729 |
|
---|
1730 | return ret;
|
---|
1731 | }
|
---|
1732 |
|
---|
1733 | /* Free Des3 from use with async device */
|
---|
1734 | void wc_Des3Free(Des3* des3)
|
---|
1735 | {
|
---|
1736 | if (des3 == NULL)
|
---|
1737 | return;
|
---|
1738 |
|
---|
1739 | #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_3DES)
|
---|
1740 | wolfAsync_DevCtxFree(&des3->asyncDev, WOLFSSL_ASYNC_MARKER_3DES);
|
---|
1741 | #endif /* WOLFSSL_ASYNC_CRYPT */
|
---|
1742 | }
|
---|
1743 |
|
---|
1744 | #endif /* WOLFSSL_TI_CRYPT */
|
---|
1745 | #endif /* HAVE_FIPS */
|
---|
1746 | #endif /* NO_DES3 */
|
---|