1 | /* aes.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 |
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28 | #ifndef NO_AES
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29 |
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30 | #include <wolfssl/wolfcrypt/aes.h>
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31 |
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32 | #ifdef HAVE_FIPS
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33 | int wc_AesSetKey(Aes* aes, const byte* key, word32 len, const byte* iv,
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34 | int dir)
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35 | {
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36 | return AesSetKey_fips(aes, key, len, iv, dir);
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37 | }
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38 |
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39 |
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40 | int wc_AesSetIV(Aes* aes, const byte* iv)
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41 | {
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42 | return AesSetIV_fips(aes, iv);
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43 | }
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44 |
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45 |
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46 | int wc_AesCbcEncrypt(Aes* aes, byte* out, const byte* in, word32 sz)
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47 | {
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48 | return AesCbcEncrypt_fips(aes, out, in, sz);
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49 | }
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50 |
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51 |
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52 | int wc_AesCbcDecrypt(Aes* aes, byte* out, const byte* in, word32 sz)
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53 | {
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54 | return AesCbcDecrypt_fips(aes, out, in, sz);
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55 | }
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56 |
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57 |
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58 | /* AES-CTR */
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59 | #ifdef WOLFSSL_AES_COUNTER
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60 | void wc_AesCtrEncrypt(Aes* aes, byte* out, const byte* in, word32 sz)
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61 | {
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62 | AesCtrEncrypt(aes, out, in, sz);
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63 | }
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64 | #endif
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65 |
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66 | /* AES-DIRECT */
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67 | #if defined(WOLFSSL_AES_DIRECT)
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68 | void wc_AesEncryptDirect(Aes* aes, byte* out, const byte* in)
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69 | {
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70 | AesEncryptDirect(aes, out, in);
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71 | }
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72 |
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73 |
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74 | void wc_AesDecryptDirect(Aes* aes, byte* out, const byte* in)
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75 | {
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76 | AesDecryptDirect(aes, out, in);
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77 | }
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78 |
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79 |
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80 | int wc_AesSetKeyDirect(Aes* aes, const byte* key, word32 len,
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81 | const byte* iv, int dir)
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82 | {
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83 | return AesSetKeyDirect(aes, key, len, iv, dir);
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84 | }
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85 | #endif
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86 |
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87 |
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88 | #ifdef HAVE_AESGCM
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89 | int wc_AesGcmSetKey(Aes* aes, const byte* key, word32 len)
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90 | {
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91 | return AesGcmSetKey_fips(aes, key, len);
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92 | }
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93 |
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94 |
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95 | int wc_AesGcmEncrypt(Aes* aes, byte* out, const byte* in, word32 sz,
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96 | const byte* iv, word32 ivSz,
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97 | byte* authTag, word32 authTagSz,
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98 | const byte* authIn, word32 authInSz)
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99 | {
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100 | return AesGcmEncrypt_fips(aes, out, in, sz, iv, ivSz, authTag, authTagSz,
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101 | authIn, authInSz);
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102 | }
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103 |
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104 |
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105 | int wc_AesGcmDecrypt(Aes* aes, byte* out, const byte* in, word32 sz,
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106 | const byte* iv, word32 ivSz,
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107 | const byte* authTag, word32 authTagSz,
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108 | const byte* authIn, word32 authInSz)
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109 | {
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110 | return AesGcmDecrypt_fips(aes, out, in, sz, iv, ivSz, authTag, authTagSz,
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111 | authIn, authInSz);
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112 | }
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113 |
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114 |
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115 | int wc_GmacSetKey(Gmac* gmac, const byte* key, word32 len)
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116 | {
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117 | return GmacSetKey(gmac, key, len);
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118 | }
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119 |
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120 |
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121 | int wc_GmacUpdate(Gmac* gmac, const byte* iv, word32 ivSz,
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122 | const byte* authIn, word32 authInSz,
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123 | byte* authTag, word32 authTagSz)
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124 | {
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125 | return GmacUpdate(gmac, iv, ivSz, authIn, authInSz,
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126 | authTag, authTagSz);
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127 | }
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128 |
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129 | #endif /* HAVE_AESGCM */
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130 | #ifdef HAVE_AESCCM
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131 | void wc_AesCcmSetKey(Aes* aes, const byte* key, word32 keySz)
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132 | {
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133 | AesCcmSetKey(aes, key, keySz);
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134 | }
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135 |
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136 |
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137 | int wc_AesCcmEncrypt(Aes* aes, byte* out, const byte* in, word32 inSz,
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138 | const byte* nonce, word32 nonceSz,
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139 | byte* authTag, word32 authTagSz,
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140 | const byte* authIn, word32 authInSz)
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141 | {
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142 | /* sanity check on arugments */
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143 | if (aes == NULL || out == NULL || in == NULL || nonce == NULL
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144 | || authTag == NULL || nonceSz < 7 || nonceSz > 13)
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145 | return BAD_FUNC_ARG;
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146 |
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147 | AesCcmEncrypt(aes, out, in, inSz, nonce, nonceSz, authTag, authTagSz,
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148 | authIn, authInSz);
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149 | return 0;
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150 | }
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151 |
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152 |
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153 | int wc_AesCcmDecrypt(Aes* aes, byte* out, const byte* in, word32 inSz,
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154 | const byte* nonce, word32 nonceSz,
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155 | const byte* authTag, word32 authTagSz,
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156 | const byte* authIn, word32 authInSz)
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157 | {
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158 | return AesCcmDecrypt(aes, out, in, inSz, nonce, nonceSz, authTag, authTagSz,
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159 | authIn, authInSz);
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160 | }
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161 | #endif /* HAVE_AESCCM */
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162 |
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163 | #ifdef HAVE_CAVIUM
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164 | int wc_AesInitCavium(Aes* aes, int i)
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165 | {
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166 | return AesInitCavium(aes, i);
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167 | }
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168 |
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169 |
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170 | void wc_AesFreeCavium(Aes* aes)
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171 | {
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172 | AesFreeCavium(aes);
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173 | }
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174 | #endif
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175 | #else /* HAVE_FIPS */
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176 |
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177 | #ifdef WOLFSSL_TI_CRYPT
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178 | #include <wolfcrypt/src/port/ti/ti-aes.c>
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179 | #else
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180 |
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181 | #include <wolfssl/wolfcrypt/error-crypt.h>
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182 | #include <wolfssl/wolfcrypt/logging.h>
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183 | #ifdef NO_INLINE
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184 | #include <wolfssl/wolfcrypt/misc.h>
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185 | #else
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186 | #include <wolfcrypt/src/misc.c>
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187 | #endif
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188 | #ifdef DEBUG_AESNI
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189 | #include <stdio.h>
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190 | #endif
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191 |
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192 |
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193 | #ifdef _MSC_VER
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194 | /* 4127 warning constant while(1) */
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195 | #pragma warning(disable: 4127)
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196 | #endif
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197 |
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198 |
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199 | #if defined(STM32F2_CRYPTO)
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200 | /* STM32F2 hardware AES support for CBC, CTR modes through the STM32F2
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201 | * Standard Peripheral Library. Documentation located in STM32F2xx
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202 | * Standard Peripheral Library document (See note in README).
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203 | * NOTE: no support for AES-GCM/CCM/Direct */
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204 | #include "stm32f2xx.h"
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205 | #include "stm32f2xx_cryp.h"
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206 | #elif defined(HAVE_COLDFIRE_SEC)
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207 | /* Freescale Coldfire SEC support for CBC mode.
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208 | * NOTE: no support for AES-CTR/GCM/CCM/Direct */
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209 | #include <wolfssl/wolfcrypt/types.h>
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210 | #include "sec.h"
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211 | #include "mcf5475_sec.h"
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212 | #include "mcf5475_siu.h"
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213 | #elif defined(FREESCALE_MMCAU)
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214 | /* Freescale mmCAU hardware AES support for Direct, CBC, CCM, GCM modes
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215 | * through the CAU/mmCAU library. Documentation located in
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216 | * ColdFire/ColdFire+ CAU and Kinetis mmCAU Software Library User
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217 | * Guide (See note in README).
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218 | * NOTE: no support for AES-CTR */
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219 | #include "cau_api.h"
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220 |
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221 | static int wc_AesEncrypt(Aes* aes, const byte* inBlock, byte* outBlock)
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222 | {
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223 | int ret = wolfSSL_CryptHwMutexLock();
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224 | if(ret == 0) {
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225 | cau_aes_encrypt(inBlock, (byte*)aes->key, aes->rounds, outBlock);
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226 | wolfSSL_CryptHwMutexUnLock();
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227 | }
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228 | return ret;
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229 | }
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230 | static int wc_AesDecrypt(Aes* aes, const byte* inBlock, byte* outBlock)
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231 | {
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232 | int ret = wolfSSL_CryptHwMutexLock();
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233 | if(ret == 0) {
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234 | cau_aes_decrypt(inBlock, (byte*)aes->key, aes->rounds, outBlock);
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235 | wolfSSL_CryptHwMutexUnLock();
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236 | }
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237 | return ret;
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238 | }
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239 | #elif defined(WOLFSSL_PIC32MZ_CRYPT)
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240 | /* NOTE: no support for AES-CCM/Direct */
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241 | #define DEBUG_WOLFSSL
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242 | #include "wolfssl/wolfcrypt/port/pic32/pic32mz-crypt.h"
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243 | #elif defined(HAVE_CAVIUM)
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244 | #include <wolfssl/wolfcrypt/logging.h>
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245 | #include "cavium_common.h"
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246 |
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247 | /* still leave SW crypto available */
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248 | #define NEED_AES_TABLES
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249 |
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250 | static int wc_AesCaviumSetKey(Aes* aes, const byte* key, word32 length,
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251 | const byte* iv);
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252 | static int wc_AesCaviumCbcEncrypt(Aes* aes, byte* out, const byte* in,
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253 | word32 length);
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254 | static int wc_AesCaviumCbcDecrypt(Aes* aes, byte* out, const byte* in,
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255 | word32 length);
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256 | #else
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257 | /* using CTaoCrypt software AES implementation */
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258 | #define NEED_AES_TABLES
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259 | #endif /* STM32F2_CRYPTO */
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260 |
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261 |
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262 | #ifdef NEED_AES_TABLES
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263 |
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264 | static const word32 rcon[] = {
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265 | 0x01000000, 0x02000000, 0x04000000, 0x08000000,
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266 | 0x10000000, 0x20000000, 0x40000000, 0x80000000,
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267 | 0x1B000000, 0x36000000,
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268 | /* for 128-bit blocks, Rijndael never uses more than 10 rcon values */
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269 | };
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270 |
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271 | static const word32 Te[5][256] = {
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272 | {
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273 | 0xc66363a5U, 0xf87c7c84U, 0xee777799U, 0xf67b7b8dU,
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274 | 0xfff2f20dU, 0xd66b6bbdU, 0xde6f6fb1U, 0x91c5c554U,
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275 | 0x60303050U, 0x02010103U, 0xce6767a9U, 0x562b2b7dU,
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276 | 0xe7fefe19U, 0xb5d7d762U, 0x4dababe6U, 0xec76769aU,
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277 | 0x8fcaca45U, 0x1f82829dU, 0x89c9c940U, 0xfa7d7d87U,
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278 | 0xeffafa15U, 0xb25959ebU, 0x8e4747c9U, 0xfbf0f00bU,
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279 | 0x41adadecU, 0xb3d4d467U, 0x5fa2a2fdU, 0x45afafeaU,
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280 | 0x239c9cbfU, 0x53a4a4f7U, 0xe4727296U, 0x9bc0c05bU,
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281 | 0x75b7b7c2U, 0xe1fdfd1cU, 0x3d9393aeU, 0x4c26266aU,
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282 | 0x6c36365aU, 0x7e3f3f41U, 0xf5f7f702U, 0x83cccc4fU,
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283 | 0x6834345cU, 0x51a5a5f4U, 0xd1e5e534U, 0xf9f1f108U,
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284 | 0xe2717193U, 0xabd8d873U, 0x62313153U, 0x2a15153fU,
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285 | 0x0804040cU, 0x95c7c752U, 0x46232365U, 0x9dc3c35eU,
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286 | 0x30181828U, 0x379696a1U, 0x0a05050fU, 0x2f9a9ab5U,
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287 | 0x0e070709U, 0x24121236U, 0x1b80809bU, 0xdfe2e23dU,
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288 | 0xcdebeb26U, 0x4e272769U, 0x7fb2b2cdU, 0xea75759fU,
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289 | 0x1209091bU, 0x1d83839eU, 0x582c2c74U, 0x341a1a2eU,
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290 | 0x361b1b2dU, 0xdc6e6eb2U, 0xb45a5aeeU, 0x5ba0a0fbU,
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291 | 0xa45252f6U, 0x763b3b4dU, 0xb7d6d661U, 0x7db3b3ceU,
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292 | 0x5229297bU, 0xdde3e33eU, 0x5e2f2f71U, 0x13848497U,
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293 | 0xa65353f5U, 0xb9d1d168U, 0x00000000U, 0xc1eded2cU,
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294 | 0x40202060U, 0xe3fcfc1fU, 0x79b1b1c8U, 0xb65b5bedU,
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295 | 0xd46a6abeU, 0x8dcbcb46U, 0x67bebed9U, 0x7239394bU,
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296 | 0x944a4adeU, 0x984c4cd4U, 0xb05858e8U, 0x85cfcf4aU,
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297 | 0xbbd0d06bU, 0xc5efef2aU, 0x4faaaae5U, 0xedfbfb16U,
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298 | 0x864343c5U, 0x9a4d4dd7U, 0x66333355U, 0x11858594U,
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299 | 0x8a4545cfU, 0xe9f9f910U, 0x04020206U, 0xfe7f7f81U,
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300 | 0xa05050f0U, 0x783c3c44U, 0x259f9fbaU, 0x4ba8a8e3U,
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301 | 0xa25151f3U, 0x5da3a3feU, 0x804040c0U, 0x058f8f8aU,
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302 | 0x3f9292adU, 0x219d9dbcU, 0x70383848U, 0xf1f5f504U,
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303 | 0x63bcbcdfU, 0x77b6b6c1U, 0xafdada75U, 0x42212163U,
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304 | 0x20101030U, 0xe5ffff1aU, 0xfdf3f30eU, 0xbfd2d26dU,
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305 | 0x81cdcd4cU, 0x180c0c14U, 0x26131335U, 0xc3ecec2fU,
|
---|
306 | 0xbe5f5fe1U, 0x359797a2U, 0x884444ccU, 0x2e171739U,
|
---|
307 | 0x93c4c457U, 0x55a7a7f2U, 0xfc7e7e82U, 0x7a3d3d47U,
|
---|
308 | 0xc86464acU, 0xba5d5de7U, 0x3219192bU, 0xe6737395U,
|
---|
309 | 0xc06060a0U, 0x19818198U, 0x9e4f4fd1U, 0xa3dcdc7fU,
|
---|
310 | 0x44222266U, 0x542a2a7eU, 0x3b9090abU, 0x0b888883U,
|
---|
311 | 0x8c4646caU, 0xc7eeee29U, 0x6bb8b8d3U, 0x2814143cU,
|
---|
312 | 0xa7dede79U, 0xbc5e5ee2U, 0x160b0b1dU, 0xaddbdb76U,
|
---|
313 | 0xdbe0e03bU, 0x64323256U, 0x743a3a4eU, 0x140a0a1eU,
|
---|
314 | 0x924949dbU, 0x0c06060aU, 0x4824246cU, 0xb85c5ce4U,
|
---|
315 | 0x9fc2c25dU, 0xbdd3d36eU, 0x43acacefU, 0xc46262a6U,
|
---|
316 | 0x399191a8U, 0x319595a4U, 0xd3e4e437U, 0xf279798bU,
|
---|
317 | 0xd5e7e732U, 0x8bc8c843U, 0x6e373759U, 0xda6d6db7U,
|
---|
318 | 0x018d8d8cU, 0xb1d5d564U, 0x9c4e4ed2U, 0x49a9a9e0U,
|
---|
319 | 0xd86c6cb4U, 0xac5656faU, 0xf3f4f407U, 0xcfeaea25U,
|
---|
320 | 0xca6565afU, 0xf47a7a8eU, 0x47aeaee9U, 0x10080818U,
|
---|
321 | 0x6fbabad5U, 0xf0787888U, 0x4a25256fU, 0x5c2e2e72U,
|
---|
322 | 0x381c1c24U, 0x57a6a6f1U, 0x73b4b4c7U, 0x97c6c651U,
|
---|
323 | 0xcbe8e823U, 0xa1dddd7cU, 0xe874749cU, 0x3e1f1f21U,
|
---|
324 | 0x964b4bddU, 0x61bdbddcU, 0x0d8b8b86U, 0x0f8a8a85U,
|
---|
325 | 0xe0707090U, 0x7c3e3e42U, 0x71b5b5c4U, 0xcc6666aaU,
|
---|
326 | 0x904848d8U, 0x06030305U, 0xf7f6f601U, 0x1c0e0e12U,
|
---|
327 | 0xc26161a3U, 0x6a35355fU, 0xae5757f9U, 0x69b9b9d0U,
|
---|
328 | 0x17868691U, 0x99c1c158U, 0x3a1d1d27U, 0x279e9eb9U,
|
---|
329 | 0xd9e1e138U, 0xebf8f813U, 0x2b9898b3U, 0x22111133U,
|
---|
330 | 0xd26969bbU, 0xa9d9d970U, 0x078e8e89U, 0x339494a7U,
|
---|
331 | 0x2d9b9bb6U, 0x3c1e1e22U, 0x15878792U, 0xc9e9e920U,
|
---|
332 | 0x87cece49U, 0xaa5555ffU, 0x50282878U, 0xa5dfdf7aU,
|
---|
333 | 0x038c8c8fU, 0x59a1a1f8U, 0x09898980U, 0x1a0d0d17U,
|
---|
334 | 0x65bfbfdaU, 0xd7e6e631U, 0x844242c6U, 0xd06868b8U,
|
---|
335 | 0x824141c3U, 0x299999b0U, 0x5a2d2d77U, 0x1e0f0f11U,
|
---|
336 | 0x7bb0b0cbU, 0xa85454fcU, 0x6dbbbbd6U, 0x2c16163aU,
|
---|
337 | },
|
---|
338 | {
|
---|
339 | 0xa5c66363U, 0x84f87c7cU, 0x99ee7777U, 0x8df67b7bU,
|
---|
340 | 0x0dfff2f2U, 0xbdd66b6bU, 0xb1de6f6fU, 0x5491c5c5U,
|
---|
341 | 0x50603030U, 0x03020101U, 0xa9ce6767U, 0x7d562b2bU,
|
---|
342 | 0x19e7fefeU, 0x62b5d7d7U, 0xe64dababU, 0x9aec7676U,
|
---|
343 | 0x458fcacaU, 0x9d1f8282U, 0x4089c9c9U, 0x87fa7d7dU,
|
---|
344 | 0x15effafaU, 0xebb25959U, 0xc98e4747U, 0x0bfbf0f0U,
|
---|
345 | 0xec41adadU, 0x67b3d4d4U, 0xfd5fa2a2U, 0xea45afafU,
|
---|
346 | 0xbf239c9cU, 0xf753a4a4U, 0x96e47272U, 0x5b9bc0c0U,
|
---|
347 | 0xc275b7b7U, 0x1ce1fdfdU, 0xae3d9393U, 0x6a4c2626U,
|
---|
348 | 0x5a6c3636U, 0x417e3f3fU, 0x02f5f7f7U, 0x4f83ccccU,
|
---|
349 | 0x5c683434U, 0xf451a5a5U, 0x34d1e5e5U, 0x08f9f1f1U,
|
---|
350 | 0x93e27171U, 0x73abd8d8U, 0x53623131U, 0x3f2a1515U,
|
---|
351 | 0x0c080404U, 0x5295c7c7U, 0x65462323U, 0x5e9dc3c3U,
|
---|
352 | 0x28301818U, 0xa1379696U, 0x0f0a0505U, 0xb52f9a9aU,
|
---|
353 | 0x090e0707U, 0x36241212U, 0x9b1b8080U, 0x3ddfe2e2U,
|
---|
354 | 0x26cdebebU, 0x694e2727U, 0xcd7fb2b2U, 0x9fea7575U,
|
---|
355 | 0x1b120909U, 0x9e1d8383U, 0x74582c2cU, 0x2e341a1aU,
|
---|
356 | 0x2d361b1bU, 0xb2dc6e6eU, 0xeeb45a5aU, 0xfb5ba0a0U,
|
---|
357 | 0xf6a45252U, 0x4d763b3bU, 0x61b7d6d6U, 0xce7db3b3U,
|
---|
358 | 0x7b522929U, 0x3edde3e3U, 0x715e2f2fU, 0x97138484U,
|
---|
359 | 0xf5a65353U, 0x68b9d1d1U, 0x00000000U, 0x2cc1ededU,
|
---|
360 | 0x60402020U, 0x1fe3fcfcU, 0xc879b1b1U, 0xedb65b5bU,
|
---|
361 | 0xbed46a6aU, 0x468dcbcbU, 0xd967bebeU, 0x4b723939U,
|
---|
362 | 0xde944a4aU, 0xd4984c4cU, 0xe8b05858U, 0x4a85cfcfU,
|
---|
363 | 0x6bbbd0d0U, 0x2ac5efefU, 0xe54faaaaU, 0x16edfbfbU,
|
---|
364 | 0xc5864343U, 0xd79a4d4dU, 0x55663333U, 0x94118585U,
|
---|
365 | 0xcf8a4545U, 0x10e9f9f9U, 0x06040202U, 0x81fe7f7fU,
|
---|
366 | 0xf0a05050U, 0x44783c3cU, 0xba259f9fU, 0xe34ba8a8U,
|
---|
367 | 0xf3a25151U, 0xfe5da3a3U, 0xc0804040U, 0x8a058f8fU,
|
---|
368 | 0xad3f9292U, 0xbc219d9dU, 0x48703838U, 0x04f1f5f5U,
|
---|
369 | 0xdf63bcbcU, 0xc177b6b6U, 0x75afdadaU, 0x63422121U,
|
---|
370 | 0x30201010U, 0x1ae5ffffU, 0x0efdf3f3U, 0x6dbfd2d2U,
|
---|
371 | 0x4c81cdcdU, 0x14180c0cU, 0x35261313U, 0x2fc3ececU,
|
---|
372 | 0xe1be5f5fU, 0xa2359797U, 0xcc884444U, 0x392e1717U,
|
---|
373 | 0x5793c4c4U, 0xf255a7a7U, 0x82fc7e7eU, 0x477a3d3dU,
|
---|
374 | 0xacc86464U, 0xe7ba5d5dU, 0x2b321919U, 0x95e67373U,
|
---|
375 | 0xa0c06060U, 0x98198181U, 0xd19e4f4fU, 0x7fa3dcdcU,
|
---|
376 | 0x66442222U, 0x7e542a2aU, 0xab3b9090U, 0x830b8888U,
|
---|
377 | 0xca8c4646U, 0x29c7eeeeU, 0xd36bb8b8U, 0x3c281414U,
|
---|
378 | 0x79a7dedeU, 0xe2bc5e5eU, 0x1d160b0bU, 0x76addbdbU,
|
---|
379 | 0x3bdbe0e0U, 0x56643232U, 0x4e743a3aU, 0x1e140a0aU,
|
---|
380 | 0xdb924949U, 0x0a0c0606U, 0x6c482424U, 0xe4b85c5cU,
|
---|
381 | 0x5d9fc2c2U, 0x6ebdd3d3U, 0xef43acacU, 0xa6c46262U,
|
---|
382 | 0xa8399191U, 0xa4319595U, 0x37d3e4e4U, 0x8bf27979U,
|
---|
383 | 0x32d5e7e7U, 0x438bc8c8U, 0x596e3737U, 0xb7da6d6dU,
|
---|
384 | 0x8c018d8dU, 0x64b1d5d5U, 0xd29c4e4eU, 0xe049a9a9U,
|
---|
385 | 0xb4d86c6cU, 0xfaac5656U, 0x07f3f4f4U, 0x25cfeaeaU,
|
---|
386 | 0xafca6565U, 0x8ef47a7aU, 0xe947aeaeU, 0x18100808U,
|
---|
387 | 0xd56fbabaU, 0x88f07878U, 0x6f4a2525U, 0x725c2e2eU,
|
---|
388 | 0x24381c1cU, 0xf157a6a6U, 0xc773b4b4U, 0x5197c6c6U,
|
---|
389 | 0x23cbe8e8U, 0x7ca1ddddU, 0x9ce87474U, 0x213e1f1fU,
|
---|
390 | 0xdd964b4bU, 0xdc61bdbdU, 0x860d8b8bU, 0x850f8a8aU,
|
---|
391 | 0x90e07070U, 0x427c3e3eU, 0xc471b5b5U, 0xaacc6666U,
|
---|
392 | 0xd8904848U, 0x05060303U, 0x01f7f6f6U, 0x121c0e0eU,
|
---|
393 | 0xa3c26161U, 0x5f6a3535U, 0xf9ae5757U, 0xd069b9b9U,
|
---|
394 | 0x91178686U, 0x5899c1c1U, 0x273a1d1dU, 0xb9279e9eU,
|
---|
395 | 0x38d9e1e1U, 0x13ebf8f8U, 0xb32b9898U, 0x33221111U,
|
---|
396 | 0xbbd26969U, 0x70a9d9d9U, 0x89078e8eU, 0xa7339494U,
|
---|
397 | 0xb62d9b9bU, 0x223c1e1eU, 0x92158787U, 0x20c9e9e9U,
|
---|
398 | 0x4987ceceU, 0xffaa5555U, 0x78502828U, 0x7aa5dfdfU,
|
---|
399 | 0x8f038c8cU, 0xf859a1a1U, 0x80098989U, 0x171a0d0dU,
|
---|
400 | 0xda65bfbfU, 0x31d7e6e6U, 0xc6844242U, 0xb8d06868U,
|
---|
401 | 0xc3824141U, 0xb0299999U, 0x775a2d2dU, 0x111e0f0fU,
|
---|
402 | 0xcb7bb0b0U, 0xfca85454U, 0xd66dbbbbU, 0x3a2c1616U,
|
---|
403 | },
|
---|
404 | {
|
---|
405 | 0x63a5c663U, 0x7c84f87cU, 0x7799ee77U, 0x7b8df67bU,
|
---|
406 | 0xf20dfff2U, 0x6bbdd66bU, 0x6fb1de6fU, 0xc55491c5U,
|
---|
407 | 0x30506030U, 0x01030201U, 0x67a9ce67U, 0x2b7d562bU,
|
---|
408 | 0xfe19e7feU, 0xd762b5d7U, 0xabe64dabU, 0x769aec76U,
|
---|
409 | 0xca458fcaU, 0x829d1f82U, 0xc94089c9U, 0x7d87fa7dU,
|
---|
410 | 0xfa15effaU, 0x59ebb259U, 0x47c98e47U, 0xf00bfbf0U,
|
---|
411 | 0xadec41adU, 0xd467b3d4U, 0xa2fd5fa2U, 0xafea45afU,
|
---|
412 | 0x9cbf239cU, 0xa4f753a4U, 0x7296e472U, 0xc05b9bc0U,
|
---|
413 | 0xb7c275b7U, 0xfd1ce1fdU, 0x93ae3d93U, 0x266a4c26U,
|
---|
414 | 0x365a6c36U, 0x3f417e3fU, 0xf702f5f7U, 0xcc4f83ccU,
|
---|
415 | 0x345c6834U, 0xa5f451a5U, 0xe534d1e5U, 0xf108f9f1U,
|
---|
416 | 0x7193e271U, 0xd873abd8U, 0x31536231U, 0x153f2a15U,
|
---|
417 | 0x040c0804U, 0xc75295c7U, 0x23654623U, 0xc35e9dc3U,
|
---|
418 | 0x18283018U, 0x96a13796U, 0x050f0a05U, 0x9ab52f9aU,
|
---|
419 | 0x07090e07U, 0x12362412U, 0x809b1b80U, 0xe23ddfe2U,
|
---|
420 | 0xeb26cdebU, 0x27694e27U, 0xb2cd7fb2U, 0x759fea75U,
|
---|
421 | 0x091b1209U, 0x839e1d83U, 0x2c74582cU, 0x1a2e341aU,
|
---|
422 | 0x1b2d361bU, 0x6eb2dc6eU, 0x5aeeb45aU, 0xa0fb5ba0U,
|
---|
423 | 0x52f6a452U, 0x3b4d763bU, 0xd661b7d6U, 0xb3ce7db3U,
|
---|
424 | 0x297b5229U, 0xe33edde3U, 0x2f715e2fU, 0x84971384U,
|
---|
425 | 0x53f5a653U, 0xd168b9d1U, 0x00000000U, 0xed2cc1edU,
|
---|
426 | 0x20604020U, 0xfc1fe3fcU, 0xb1c879b1U, 0x5bedb65bU,
|
---|
427 | 0x6abed46aU, 0xcb468dcbU, 0xbed967beU, 0x394b7239U,
|
---|
428 | 0x4ade944aU, 0x4cd4984cU, 0x58e8b058U, 0xcf4a85cfU,
|
---|
429 | 0xd06bbbd0U, 0xef2ac5efU, 0xaae54faaU, 0xfb16edfbU,
|
---|
430 | 0x43c58643U, 0x4dd79a4dU, 0x33556633U, 0x85941185U,
|
---|
431 | 0x45cf8a45U, 0xf910e9f9U, 0x02060402U, 0x7f81fe7fU,
|
---|
432 | 0x50f0a050U, 0x3c44783cU, 0x9fba259fU, 0xa8e34ba8U,
|
---|
433 | 0x51f3a251U, 0xa3fe5da3U, 0x40c08040U, 0x8f8a058fU,
|
---|
434 | 0x92ad3f92U, 0x9dbc219dU, 0x38487038U, 0xf504f1f5U,
|
---|
435 | 0xbcdf63bcU, 0xb6c177b6U, 0xda75afdaU, 0x21634221U,
|
---|
436 | 0x10302010U, 0xff1ae5ffU, 0xf30efdf3U, 0xd26dbfd2U,
|
---|
437 | 0xcd4c81cdU, 0x0c14180cU, 0x13352613U, 0xec2fc3ecU,
|
---|
438 | 0x5fe1be5fU, 0x97a23597U, 0x44cc8844U, 0x17392e17U,
|
---|
439 | 0xc45793c4U, 0xa7f255a7U, 0x7e82fc7eU, 0x3d477a3dU,
|
---|
440 | 0x64acc864U, 0x5de7ba5dU, 0x192b3219U, 0x7395e673U,
|
---|
441 | 0x60a0c060U, 0x81981981U, 0x4fd19e4fU, 0xdc7fa3dcU,
|
---|
442 | 0x22664422U, 0x2a7e542aU, 0x90ab3b90U, 0x88830b88U,
|
---|
443 | 0x46ca8c46U, 0xee29c7eeU, 0xb8d36bb8U, 0x143c2814U,
|
---|
444 | 0xde79a7deU, 0x5ee2bc5eU, 0x0b1d160bU, 0xdb76addbU,
|
---|
445 | 0xe03bdbe0U, 0x32566432U, 0x3a4e743aU, 0x0a1e140aU,
|
---|
446 | 0x49db9249U, 0x060a0c06U, 0x246c4824U, 0x5ce4b85cU,
|
---|
447 | 0xc25d9fc2U, 0xd36ebdd3U, 0xacef43acU, 0x62a6c462U,
|
---|
448 | 0x91a83991U, 0x95a43195U, 0xe437d3e4U, 0x798bf279U,
|
---|
449 | 0xe732d5e7U, 0xc8438bc8U, 0x37596e37U, 0x6db7da6dU,
|
---|
450 | 0x8d8c018dU, 0xd564b1d5U, 0x4ed29c4eU, 0xa9e049a9U,
|
---|
451 | 0x6cb4d86cU, 0x56faac56U, 0xf407f3f4U, 0xea25cfeaU,
|
---|
452 | 0x65afca65U, 0x7a8ef47aU, 0xaee947aeU, 0x08181008U,
|
---|
453 | 0xbad56fbaU, 0x7888f078U, 0x256f4a25U, 0x2e725c2eU,
|
---|
454 | 0x1c24381cU, 0xa6f157a6U, 0xb4c773b4U, 0xc65197c6U,
|
---|
455 | 0xe823cbe8U, 0xdd7ca1ddU, 0x749ce874U, 0x1f213e1fU,
|
---|
456 | 0x4bdd964bU, 0xbddc61bdU, 0x8b860d8bU, 0x8a850f8aU,
|
---|
457 | 0x7090e070U, 0x3e427c3eU, 0xb5c471b5U, 0x66aacc66U,
|
---|
458 | 0x48d89048U, 0x03050603U, 0xf601f7f6U, 0x0e121c0eU,
|
---|
459 | 0x61a3c261U, 0x355f6a35U, 0x57f9ae57U, 0xb9d069b9U,
|
---|
460 | 0x86911786U, 0xc15899c1U, 0x1d273a1dU, 0x9eb9279eU,
|
---|
461 | 0xe138d9e1U, 0xf813ebf8U, 0x98b32b98U, 0x11332211U,
|
---|
462 | 0x69bbd269U, 0xd970a9d9U, 0x8e89078eU, 0x94a73394U,
|
---|
463 | 0x9bb62d9bU, 0x1e223c1eU, 0x87921587U, 0xe920c9e9U,
|
---|
464 | 0xce4987ceU, 0x55ffaa55U, 0x28785028U, 0xdf7aa5dfU,
|
---|
465 | 0x8c8f038cU, 0xa1f859a1U, 0x89800989U, 0x0d171a0dU,
|
---|
466 | 0xbfda65bfU, 0xe631d7e6U, 0x42c68442U, 0x68b8d068U,
|
---|
467 | 0x41c38241U, 0x99b02999U, 0x2d775a2dU, 0x0f111e0fU,
|
---|
468 | 0xb0cb7bb0U, 0x54fca854U, 0xbbd66dbbU, 0x163a2c16U,
|
---|
469 | },
|
---|
470 | {
|
---|
471 | 0x6363a5c6U, 0x7c7c84f8U, 0x777799eeU, 0x7b7b8df6U,
|
---|
472 | 0xf2f20dffU, 0x6b6bbdd6U, 0x6f6fb1deU, 0xc5c55491U,
|
---|
473 | 0x30305060U, 0x01010302U, 0x6767a9ceU, 0x2b2b7d56U,
|
---|
474 | 0xfefe19e7U, 0xd7d762b5U, 0xababe64dU, 0x76769aecU,
|
---|
475 | 0xcaca458fU, 0x82829d1fU, 0xc9c94089U, 0x7d7d87faU,
|
---|
476 | 0xfafa15efU, 0x5959ebb2U, 0x4747c98eU, 0xf0f00bfbU,
|
---|
477 | 0xadadec41U, 0xd4d467b3U, 0xa2a2fd5fU, 0xafafea45U,
|
---|
478 | 0x9c9cbf23U, 0xa4a4f753U, 0x727296e4U, 0xc0c05b9bU,
|
---|
479 | 0xb7b7c275U, 0xfdfd1ce1U, 0x9393ae3dU, 0x26266a4cU,
|
---|
480 | 0x36365a6cU, 0x3f3f417eU, 0xf7f702f5U, 0xcccc4f83U,
|
---|
481 | 0x34345c68U, 0xa5a5f451U, 0xe5e534d1U, 0xf1f108f9U,
|
---|
482 | 0x717193e2U, 0xd8d873abU, 0x31315362U, 0x15153f2aU,
|
---|
483 | 0x04040c08U, 0xc7c75295U, 0x23236546U, 0xc3c35e9dU,
|
---|
484 | 0x18182830U, 0x9696a137U, 0x05050f0aU, 0x9a9ab52fU,
|
---|
485 | 0x0707090eU, 0x12123624U, 0x80809b1bU, 0xe2e23ddfU,
|
---|
486 | 0xebeb26cdU, 0x2727694eU, 0xb2b2cd7fU, 0x75759feaU,
|
---|
487 | 0x09091b12U, 0x83839e1dU, 0x2c2c7458U, 0x1a1a2e34U,
|
---|
488 | 0x1b1b2d36U, 0x6e6eb2dcU, 0x5a5aeeb4U, 0xa0a0fb5bU,
|
---|
489 | 0x5252f6a4U, 0x3b3b4d76U, 0xd6d661b7U, 0xb3b3ce7dU,
|
---|
490 | 0x29297b52U, 0xe3e33eddU, 0x2f2f715eU, 0x84849713U,
|
---|
491 | 0x5353f5a6U, 0xd1d168b9U, 0x00000000U, 0xeded2cc1U,
|
---|
492 | 0x20206040U, 0xfcfc1fe3U, 0xb1b1c879U, 0x5b5bedb6U,
|
---|
493 | 0x6a6abed4U, 0xcbcb468dU, 0xbebed967U, 0x39394b72U,
|
---|
494 | 0x4a4ade94U, 0x4c4cd498U, 0x5858e8b0U, 0xcfcf4a85U,
|
---|
495 | 0xd0d06bbbU, 0xefef2ac5U, 0xaaaae54fU, 0xfbfb16edU,
|
---|
496 | 0x4343c586U, 0x4d4dd79aU, 0x33335566U, 0x85859411U,
|
---|
497 | 0x4545cf8aU, 0xf9f910e9U, 0x02020604U, 0x7f7f81feU,
|
---|
498 | 0x5050f0a0U, 0x3c3c4478U, 0x9f9fba25U, 0xa8a8e34bU,
|
---|
499 | 0x5151f3a2U, 0xa3a3fe5dU, 0x4040c080U, 0x8f8f8a05U,
|
---|
500 | 0x9292ad3fU, 0x9d9dbc21U, 0x38384870U, 0xf5f504f1U,
|
---|
501 | 0xbcbcdf63U, 0xb6b6c177U, 0xdada75afU, 0x21216342U,
|
---|
502 | 0x10103020U, 0xffff1ae5U, 0xf3f30efdU, 0xd2d26dbfU,
|
---|
503 | 0xcdcd4c81U, 0x0c0c1418U, 0x13133526U, 0xecec2fc3U,
|
---|
504 | 0x5f5fe1beU, 0x9797a235U, 0x4444cc88U, 0x1717392eU,
|
---|
505 | 0xc4c45793U, 0xa7a7f255U, 0x7e7e82fcU, 0x3d3d477aU,
|
---|
506 | 0x6464acc8U, 0x5d5de7baU, 0x19192b32U, 0x737395e6U,
|
---|
507 | 0x6060a0c0U, 0x81819819U, 0x4f4fd19eU, 0xdcdc7fa3U,
|
---|
508 | 0x22226644U, 0x2a2a7e54U, 0x9090ab3bU, 0x8888830bU,
|
---|
509 | 0x4646ca8cU, 0xeeee29c7U, 0xb8b8d36bU, 0x14143c28U,
|
---|
510 | 0xdede79a7U, 0x5e5ee2bcU, 0x0b0b1d16U, 0xdbdb76adU,
|
---|
511 | 0xe0e03bdbU, 0x32325664U, 0x3a3a4e74U, 0x0a0a1e14U,
|
---|
512 | 0x4949db92U, 0x06060a0cU, 0x24246c48U, 0x5c5ce4b8U,
|
---|
513 | 0xc2c25d9fU, 0xd3d36ebdU, 0xacacef43U, 0x6262a6c4U,
|
---|
514 | 0x9191a839U, 0x9595a431U, 0xe4e437d3U, 0x79798bf2U,
|
---|
515 | 0xe7e732d5U, 0xc8c8438bU, 0x3737596eU, 0x6d6db7daU,
|
---|
516 | 0x8d8d8c01U, 0xd5d564b1U, 0x4e4ed29cU, 0xa9a9e049U,
|
---|
517 | 0x6c6cb4d8U, 0x5656faacU, 0xf4f407f3U, 0xeaea25cfU,
|
---|
518 | 0x6565afcaU, 0x7a7a8ef4U, 0xaeaee947U, 0x08081810U,
|
---|
519 | 0xbabad56fU, 0x787888f0U, 0x25256f4aU, 0x2e2e725cU,
|
---|
520 | 0x1c1c2438U, 0xa6a6f157U, 0xb4b4c773U, 0xc6c65197U,
|
---|
521 | 0xe8e823cbU, 0xdddd7ca1U, 0x74749ce8U, 0x1f1f213eU,
|
---|
522 | 0x4b4bdd96U, 0xbdbddc61U, 0x8b8b860dU, 0x8a8a850fU,
|
---|
523 | 0x707090e0U, 0x3e3e427cU, 0xb5b5c471U, 0x6666aaccU,
|
---|
524 | 0x4848d890U, 0x03030506U, 0xf6f601f7U, 0x0e0e121cU,
|
---|
525 | 0x6161a3c2U, 0x35355f6aU, 0x5757f9aeU, 0xb9b9d069U,
|
---|
526 | 0x86869117U, 0xc1c15899U, 0x1d1d273aU, 0x9e9eb927U,
|
---|
527 | 0xe1e138d9U, 0xf8f813ebU, 0x9898b32bU, 0x11113322U,
|
---|
528 | 0x6969bbd2U, 0xd9d970a9U, 0x8e8e8907U, 0x9494a733U,
|
---|
529 | 0x9b9bb62dU, 0x1e1e223cU, 0x87879215U, 0xe9e920c9U,
|
---|
530 | 0xcece4987U, 0x5555ffaaU, 0x28287850U, 0xdfdf7aa5U,
|
---|
531 | 0x8c8c8f03U, 0xa1a1f859U, 0x89898009U, 0x0d0d171aU,
|
---|
532 | 0xbfbfda65U, 0xe6e631d7U, 0x4242c684U, 0x6868b8d0U,
|
---|
533 | 0x4141c382U, 0x9999b029U, 0x2d2d775aU, 0x0f0f111eU,
|
---|
534 | 0xb0b0cb7bU, 0x5454fca8U, 0xbbbbd66dU, 0x16163a2cU,
|
---|
535 | },
|
---|
536 | {
|
---|
537 | 0x63636363U, 0x7c7c7c7cU, 0x77777777U, 0x7b7b7b7bU,
|
---|
538 | 0xf2f2f2f2U, 0x6b6b6b6bU, 0x6f6f6f6fU, 0xc5c5c5c5U,
|
---|
539 | 0x30303030U, 0x01010101U, 0x67676767U, 0x2b2b2b2bU,
|
---|
540 | 0xfefefefeU, 0xd7d7d7d7U, 0xababababU, 0x76767676U,
|
---|
541 | 0xcacacacaU, 0x82828282U, 0xc9c9c9c9U, 0x7d7d7d7dU,
|
---|
542 | 0xfafafafaU, 0x59595959U, 0x47474747U, 0xf0f0f0f0U,
|
---|
543 | 0xadadadadU, 0xd4d4d4d4U, 0xa2a2a2a2U, 0xafafafafU,
|
---|
544 | 0x9c9c9c9cU, 0xa4a4a4a4U, 0x72727272U, 0xc0c0c0c0U,
|
---|
545 | 0xb7b7b7b7U, 0xfdfdfdfdU, 0x93939393U, 0x26262626U,
|
---|
546 | 0x36363636U, 0x3f3f3f3fU, 0xf7f7f7f7U, 0xccccccccU,
|
---|
547 | 0x34343434U, 0xa5a5a5a5U, 0xe5e5e5e5U, 0xf1f1f1f1U,
|
---|
548 | 0x71717171U, 0xd8d8d8d8U, 0x31313131U, 0x15151515U,
|
---|
549 | 0x04040404U, 0xc7c7c7c7U, 0x23232323U, 0xc3c3c3c3U,
|
---|
550 | 0x18181818U, 0x96969696U, 0x05050505U, 0x9a9a9a9aU,
|
---|
551 | 0x07070707U, 0x12121212U, 0x80808080U, 0xe2e2e2e2U,
|
---|
552 | 0xebebebebU, 0x27272727U, 0xb2b2b2b2U, 0x75757575U,
|
---|
553 | 0x09090909U, 0x83838383U, 0x2c2c2c2cU, 0x1a1a1a1aU,
|
---|
554 | 0x1b1b1b1bU, 0x6e6e6e6eU, 0x5a5a5a5aU, 0xa0a0a0a0U,
|
---|
555 | 0x52525252U, 0x3b3b3b3bU, 0xd6d6d6d6U, 0xb3b3b3b3U,
|
---|
556 | 0x29292929U, 0xe3e3e3e3U, 0x2f2f2f2fU, 0x84848484U,
|
---|
557 | 0x53535353U, 0xd1d1d1d1U, 0x00000000U, 0xededededU,
|
---|
558 | 0x20202020U, 0xfcfcfcfcU, 0xb1b1b1b1U, 0x5b5b5b5bU,
|
---|
559 | 0x6a6a6a6aU, 0xcbcbcbcbU, 0xbebebebeU, 0x39393939U,
|
---|
560 | 0x4a4a4a4aU, 0x4c4c4c4cU, 0x58585858U, 0xcfcfcfcfU,
|
---|
561 | 0xd0d0d0d0U, 0xefefefefU, 0xaaaaaaaaU, 0xfbfbfbfbU,
|
---|
562 | 0x43434343U, 0x4d4d4d4dU, 0x33333333U, 0x85858585U,
|
---|
563 | 0x45454545U, 0xf9f9f9f9U, 0x02020202U, 0x7f7f7f7fU,
|
---|
564 | 0x50505050U, 0x3c3c3c3cU, 0x9f9f9f9fU, 0xa8a8a8a8U,
|
---|
565 | 0x51515151U, 0xa3a3a3a3U, 0x40404040U, 0x8f8f8f8fU,
|
---|
566 | 0x92929292U, 0x9d9d9d9dU, 0x38383838U, 0xf5f5f5f5U,
|
---|
567 | 0xbcbcbcbcU, 0xb6b6b6b6U, 0xdadadadaU, 0x21212121U,
|
---|
568 | 0x10101010U, 0xffffffffU, 0xf3f3f3f3U, 0xd2d2d2d2U,
|
---|
569 | 0xcdcdcdcdU, 0x0c0c0c0cU, 0x13131313U, 0xececececU,
|
---|
570 | 0x5f5f5f5fU, 0x97979797U, 0x44444444U, 0x17171717U,
|
---|
571 | 0xc4c4c4c4U, 0xa7a7a7a7U, 0x7e7e7e7eU, 0x3d3d3d3dU,
|
---|
572 | 0x64646464U, 0x5d5d5d5dU, 0x19191919U, 0x73737373U,
|
---|
573 | 0x60606060U, 0x81818181U, 0x4f4f4f4fU, 0xdcdcdcdcU,
|
---|
574 | 0x22222222U, 0x2a2a2a2aU, 0x90909090U, 0x88888888U,
|
---|
575 | 0x46464646U, 0xeeeeeeeeU, 0xb8b8b8b8U, 0x14141414U,
|
---|
576 | 0xdedededeU, 0x5e5e5e5eU, 0x0b0b0b0bU, 0xdbdbdbdbU,
|
---|
577 | 0xe0e0e0e0U, 0x32323232U, 0x3a3a3a3aU, 0x0a0a0a0aU,
|
---|
578 | 0x49494949U, 0x06060606U, 0x24242424U, 0x5c5c5c5cU,
|
---|
579 | 0xc2c2c2c2U, 0xd3d3d3d3U, 0xacacacacU, 0x62626262U,
|
---|
580 | 0x91919191U, 0x95959595U, 0xe4e4e4e4U, 0x79797979U,
|
---|
581 | 0xe7e7e7e7U, 0xc8c8c8c8U, 0x37373737U, 0x6d6d6d6dU,
|
---|
582 | 0x8d8d8d8dU, 0xd5d5d5d5U, 0x4e4e4e4eU, 0xa9a9a9a9U,
|
---|
583 | 0x6c6c6c6cU, 0x56565656U, 0xf4f4f4f4U, 0xeaeaeaeaU,
|
---|
584 | 0x65656565U, 0x7a7a7a7aU, 0xaeaeaeaeU, 0x08080808U,
|
---|
585 | 0xbabababaU, 0x78787878U, 0x25252525U, 0x2e2e2e2eU,
|
---|
586 | 0x1c1c1c1cU, 0xa6a6a6a6U, 0xb4b4b4b4U, 0xc6c6c6c6U,
|
---|
587 | 0xe8e8e8e8U, 0xddddddddU, 0x74747474U, 0x1f1f1f1fU,
|
---|
588 | 0x4b4b4b4bU, 0xbdbdbdbdU, 0x8b8b8b8bU, 0x8a8a8a8aU,
|
---|
589 | 0x70707070U, 0x3e3e3e3eU, 0xb5b5b5b5U, 0x66666666U,
|
---|
590 | 0x48484848U, 0x03030303U, 0xf6f6f6f6U, 0x0e0e0e0eU,
|
---|
591 | 0x61616161U, 0x35353535U, 0x57575757U, 0xb9b9b9b9U,
|
---|
592 | 0x86868686U, 0xc1c1c1c1U, 0x1d1d1d1dU, 0x9e9e9e9eU,
|
---|
593 | 0xe1e1e1e1U, 0xf8f8f8f8U, 0x98989898U, 0x11111111U,
|
---|
594 | 0x69696969U, 0xd9d9d9d9U, 0x8e8e8e8eU, 0x94949494U,
|
---|
595 | 0x9b9b9b9bU, 0x1e1e1e1eU, 0x87878787U, 0xe9e9e9e9U,
|
---|
596 | 0xcecececeU, 0x55555555U, 0x28282828U, 0xdfdfdfdfU,
|
---|
597 | 0x8c8c8c8cU, 0xa1a1a1a1U, 0x89898989U, 0x0d0d0d0dU,
|
---|
598 | 0xbfbfbfbfU, 0xe6e6e6e6U, 0x42424242U, 0x68686868U,
|
---|
599 | 0x41414141U, 0x99999999U, 0x2d2d2d2dU, 0x0f0f0f0fU,
|
---|
600 | 0xb0b0b0b0U, 0x54545454U, 0xbbbbbbbbU, 0x16161616U,
|
---|
601 | }
|
---|
602 | };
|
---|
603 |
|
---|
604 | static const word32 Td[5][256] = {
|
---|
605 | {
|
---|
606 | 0x51f4a750U, 0x7e416553U, 0x1a17a4c3U, 0x3a275e96U,
|
---|
607 | 0x3bab6bcbU, 0x1f9d45f1U, 0xacfa58abU, 0x4be30393U,
|
---|
608 | 0x2030fa55U, 0xad766df6U, 0x88cc7691U, 0xf5024c25U,
|
---|
609 | 0x4fe5d7fcU, 0xc52acbd7U, 0x26354480U, 0xb562a38fU,
|
---|
610 | 0xdeb15a49U, 0x25ba1b67U, 0x45ea0e98U, 0x5dfec0e1U,
|
---|
611 | 0xc32f7502U, 0x814cf012U, 0x8d4697a3U, 0x6bd3f9c6U,
|
---|
612 | 0x038f5fe7U, 0x15929c95U, 0xbf6d7aebU, 0x955259daU,
|
---|
613 | 0xd4be832dU, 0x587421d3U, 0x49e06929U, 0x8ec9c844U,
|
---|
614 | 0x75c2896aU, 0xf48e7978U, 0x99583e6bU, 0x27b971ddU,
|
---|
615 | 0xbee14fb6U, 0xf088ad17U, 0xc920ac66U, 0x7dce3ab4U,
|
---|
616 | 0x63df4a18U, 0xe51a3182U, 0x97513360U, 0x62537f45U,
|
---|
617 | 0xb16477e0U, 0xbb6bae84U, 0xfe81a01cU, 0xf9082b94U,
|
---|
618 | 0x70486858U, 0x8f45fd19U, 0x94de6c87U, 0x527bf8b7U,
|
---|
619 | 0xab73d323U, 0x724b02e2U, 0xe31f8f57U, 0x6655ab2aU,
|
---|
620 | 0xb2eb2807U, 0x2fb5c203U, 0x86c57b9aU, 0xd33708a5U,
|
---|
621 | 0x302887f2U, 0x23bfa5b2U, 0x02036abaU, 0xed16825cU,
|
---|
622 | 0x8acf1c2bU, 0xa779b492U, 0xf307f2f0U, 0x4e69e2a1U,
|
---|
623 | 0x65daf4cdU, 0x0605bed5U, 0xd134621fU, 0xc4a6fe8aU,
|
---|
624 | 0x342e539dU, 0xa2f355a0U, 0x058ae132U, 0xa4f6eb75U,
|
---|
625 | 0x0b83ec39U, 0x4060efaaU, 0x5e719f06U, 0xbd6e1051U,
|
---|
626 | 0x3e218af9U, 0x96dd063dU, 0xdd3e05aeU, 0x4de6bd46U,
|
---|
627 | 0x91548db5U, 0x71c45d05U, 0x0406d46fU, 0x605015ffU,
|
---|
628 | 0x1998fb24U, 0xd6bde997U, 0x894043ccU, 0x67d99e77U,
|
---|
629 | 0xb0e842bdU, 0x07898b88U, 0xe7195b38U, 0x79c8eedbU,
|
---|
630 | 0xa17c0a47U, 0x7c420fe9U, 0xf8841ec9U, 0x00000000U,
|
---|
631 | 0x09808683U, 0x322bed48U, 0x1e1170acU, 0x6c5a724eU,
|
---|
632 | 0xfd0efffbU, 0x0f853856U, 0x3daed51eU, 0x362d3927U,
|
---|
633 | 0x0a0fd964U, 0x685ca621U, 0x9b5b54d1U, 0x24362e3aU,
|
---|
634 | 0x0c0a67b1U, 0x9357e70fU, 0xb4ee96d2U, 0x1b9b919eU,
|
---|
635 | 0x80c0c54fU, 0x61dc20a2U, 0x5a774b69U, 0x1c121a16U,
|
---|
636 | 0xe293ba0aU, 0xc0a02ae5U, 0x3c22e043U, 0x121b171dU,
|
---|
637 | 0x0e090d0bU, 0xf28bc7adU, 0x2db6a8b9U, 0x141ea9c8U,
|
---|
638 | 0x57f11985U, 0xaf75074cU, 0xee99ddbbU, 0xa37f60fdU,
|
---|
639 | 0xf701269fU, 0x5c72f5bcU, 0x44663bc5U, 0x5bfb7e34U,
|
---|
640 | 0x8b432976U, 0xcb23c6dcU, 0xb6edfc68U, 0xb8e4f163U,
|
---|
641 | 0xd731dccaU, 0x42638510U, 0x13972240U, 0x84c61120U,
|
---|
642 | 0x854a247dU, 0xd2bb3df8U, 0xaef93211U, 0xc729a16dU,
|
---|
643 | 0x1d9e2f4bU, 0xdcb230f3U, 0x0d8652ecU, 0x77c1e3d0U,
|
---|
644 | 0x2bb3166cU, 0xa970b999U, 0x119448faU, 0x47e96422U,
|
---|
645 | 0xa8fc8cc4U, 0xa0f03f1aU, 0x567d2cd8U, 0x223390efU,
|
---|
646 | 0x87494ec7U, 0xd938d1c1U, 0x8ccaa2feU, 0x98d40b36U,
|
---|
647 | 0xa6f581cfU, 0xa57ade28U, 0xdab78e26U, 0x3fadbfa4U,
|
---|
648 | 0x2c3a9de4U, 0x5078920dU, 0x6a5fcc9bU, 0x547e4662U,
|
---|
649 | 0xf68d13c2U, 0x90d8b8e8U, 0x2e39f75eU, 0x82c3aff5U,
|
---|
650 | 0x9f5d80beU, 0x69d0937cU, 0x6fd52da9U, 0xcf2512b3U,
|
---|
651 | 0xc8ac993bU, 0x10187da7U, 0xe89c636eU, 0xdb3bbb7bU,
|
---|
652 | 0xcd267809U, 0x6e5918f4U, 0xec9ab701U, 0x834f9aa8U,
|
---|
653 | 0xe6956e65U, 0xaaffe67eU, 0x21bccf08U, 0xef15e8e6U,
|
---|
654 | 0xbae79bd9U, 0x4a6f36ceU, 0xea9f09d4U, 0x29b07cd6U,
|
---|
655 | 0x31a4b2afU, 0x2a3f2331U, 0xc6a59430U, 0x35a266c0U,
|
---|
656 | 0x744ebc37U, 0xfc82caa6U, 0xe090d0b0U, 0x33a7d815U,
|
---|
657 | 0xf104984aU, 0x41ecdaf7U, 0x7fcd500eU, 0x1791f62fU,
|
---|
658 | 0x764dd68dU, 0x43efb04dU, 0xccaa4d54U, 0xe49604dfU,
|
---|
659 | 0x9ed1b5e3U, 0x4c6a881bU, 0xc12c1fb8U, 0x4665517fU,
|
---|
660 | 0x9d5eea04U, 0x018c355dU, 0xfa877473U, 0xfb0b412eU,
|
---|
661 | 0xb3671d5aU, 0x92dbd252U, 0xe9105633U, 0x6dd64713U,
|
---|
662 | 0x9ad7618cU, 0x37a10c7aU, 0x59f8148eU, 0xeb133c89U,
|
---|
663 | 0xcea927eeU, 0xb761c935U, 0xe11ce5edU, 0x7a47b13cU,
|
---|
664 | 0x9cd2df59U, 0x55f2733fU, 0x1814ce79U, 0x73c737bfU,
|
---|
665 | 0x53f7cdeaU, 0x5ffdaa5bU, 0xdf3d6f14U, 0x7844db86U,
|
---|
666 | 0xcaaff381U, 0xb968c43eU, 0x3824342cU, 0xc2a3405fU,
|
---|
667 | 0x161dc372U, 0xbce2250cU, 0x283c498bU, 0xff0d9541U,
|
---|
668 | 0x39a80171U, 0x080cb3deU, 0xd8b4e49cU, 0x6456c190U,
|
---|
669 | 0x7bcb8461U, 0xd532b670U, 0x486c5c74U, 0xd0b85742U,
|
---|
670 | },
|
---|
671 | {
|
---|
672 | 0x5051f4a7U, 0x537e4165U, 0xc31a17a4U, 0x963a275eU,
|
---|
673 | 0xcb3bab6bU, 0xf11f9d45U, 0xabacfa58U, 0x934be303U,
|
---|
674 | 0x552030faU, 0xf6ad766dU, 0x9188cc76U, 0x25f5024cU,
|
---|
675 | 0xfc4fe5d7U, 0xd7c52acbU, 0x80263544U, 0x8fb562a3U,
|
---|
676 | 0x49deb15aU, 0x6725ba1bU, 0x9845ea0eU, 0xe15dfec0U,
|
---|
677 | 0x02c32f75U, 0x12814cf0U, 0xa38d4697U, 0xc66bd3f9U,
|
---|
678 | 0xe7038f5fU, 0x9515929cU, 0xebbf6d7aU, 0xda955259U,
|
---|
679 | 0x2dd4be83U, 0xd3587421U, 0x2949e069U, 0x448ec9c8U,
|
---|
680 | 0x6a75c289U, 0x78f48e79U, 0x6b99583eU, 0xdd27b971U,
|
---|
681 | 0xb6bee14fU, 0x17f088adU, 0x66c920acU, 0xb47dce3aU,
|
---|
682 | 0x1863df4aU, 0x82e51a31U, 0x60975133U, 0x4562537fU,
|
---|
683 | 0xe0b16477U, 0x84bb6baeU, 0x1cfe81a0U, 0x94f9082bU,
|
---|
684 | 0x58704868U, 0x198f45fdU, 0x8794de6cU, 0xb7527bf8U,
|
---|
685 | 0x23ab73d3U, 0xe2724b02U, 0x57e31f8fU, 0x2a6655abU,
|
---|
686 | 0x07b2eb28U, 0x032fb5c2U, 0x9a86c57bU, 0xa5d33708U,
|
---|
687 | 0xf2302887U, 0xb223bfa5U, 0xba02036aU, 0x5ced1682U,
|
---|
688 | 0x2b8acf1cU, 0x92a779b4U, 0xf0f307f2U, 0xa14e69e2U,
|
---|
689 | 0xcd65daf4U, 0xd50605beU, 0x1fd13462U, 0x8ac4a6feU,
|
---|
690 | 0x9d342e53U, 0xa0a2f355U, 0x32058ae1U, 0x75a4f6ebU,
|
---|
691 | 0x390b83ecU, 0xaa4060efU, 0x065e719fU, 0x51bd6e10U,
|
---|
692 | 0xf93e218aU, 0x3d96dd06U, 0xaedd3e05U, 0x464de6bdU,
|
---|
693 | 0xb591548dU, 0x0571c45dU, 0x6f0406d4U, 0xff605015U,
|
---|
694 | 0x241998fbU, 0x97d6bde9U, 0xcc894043U, 0x7767d99eU,
|
---|
695 | 0xbdb0e842U, 0x8807898bU, 0x38e7195bU, 0xdb79c8eeU,
|
---|
696 | 0x47a17c0aU, 0xe97c420fU, 0xc9f8841eU, 0x00000000U,
|
---|
697 | 0x83098086U, 0x48322bedU, 0xac1e1170U, 0x4e6c5a72U,
|
---|
698 | 0xfbfd0effU, 0x560f8538U, 0x1e3daed5U, 0x27362d39U,
|
---|
699 | 0x640a0fd9U, 0x21685ca6U, 0xd19b5b54U, 0x3a24362eU,
|
---|
700 | 0xb10c0a67U, 0x0f9357e7U, 0xd2b4ee96U, 0x9e1b9b91U,
|
---|
701 | 0x4f80c0c5U, 0xa261dc20U, 0x695a774bU, 0x161c121aU,
|
---|
702 | 0x0ae293baU, 0xe5c0a02aU, 0x433c22e0U, 0x1d121b17U,
|
---|
703 | 0x0b0e090dU, 0xadf28bc7U, 0xb92db6a8U, 0xc8141ea9U,
|
---|
704 | 0x8557f119U, 0x4caf7507U, 0xbbee99ddU, 0xfda37f60U,
|
---|
705 | 0x9ff70126U, 0xbc5c72f5U, 0xc544663bU, 0x345bfb7eU,
|
---|
706 | 0x768b4329U, 0xdccb23c6U, 0x68b6edfcU, 0x63b8e4f1U,
|
---|
707 | 0xcad731dcU, 0x10426385U, 0x40139722U, 0x2084c611U,
|
---|
708 | 0x7d854a24U, 0xf8d2bb3dU, 0x11aef932U, 0x6dc729a1U,
|
---|
709 | 0x4b1d9e2fU, 0xf3dcb230U, 0xec0d8652U, 0xd077c1e3U,
|
---|
710 | 0x6c2bb316U, 0x99a970b9U, 0xfa119448U, 0x2247e964U,
|
---|
711 | 0xc4a8fc8cU, 0x1aa0f03fU, 0xd8567d2cU, 0xef223390U,
|
---|
712 | 0xc787494eU, 0xc1d938d1U, 0xfe8ccaa2U, 0x3698d40bU,
|
---|
713 | 0xcfa6f581U, 0x28a57adeU, 0x26dab78eU, 0xa43fadbfU,
|
---|
714 | 0xe42c3a9dU, 0x0d507892U, 0x9b6a5fccU, 0x62547e46U,
|
---|
715 | 0xc2f68d13U, 0xe890d8b8U, 0x5e2e39f7U, 0xf582c3afU,
|
---|
716 | 0xbe9f5d80U, 0x7c69d093U, 0xa96fd52dU, 0xb3cf2512U,
|
---|
717 | 0x3bc8ac99U, 0xa710187dU, 0x6ee89c63U, 0x7bdb3bbbU,
|
---|
718 | 0x09cd2678U, 0xf46e5918U, 0x01ec9ab7U, 0xa8834f9aU,
|
---|
719 | 0x65e6956eU, 0x7eaaffe6U, 0x0821bccfU, 0xe6ef15e8U,
|
---|
720 | 0xd9bae79bU, 0xce4a6f36U, 0xd4ea9f09U, 0xd629b07cU,
|
---|
721 | 0xaf31a4b2U, 0x312a3f23U, 0x30c6a594U, 0xc035a266U,
|
---|
722 | 0x37744ebcU, 0xa6fc82caU, 0xb0e090d0U, 0x1533a7d8U,
|
---|
723 | 0x4af10498U, 0xf741ecdaU, 0x0e7fcd50U, 0x2f1791f6U,
|
---|
724 | 0x8d764dd6U, 0x4d43efb0U, 0x54ccaa4dU, 0xdfe49604U,
|
---|
725 | 0xe39ed1b5U, 0x1b4c6a88U, 0xb8c12c1fU, 0x7f466551U,
|
---|
726 | 0x049d5eeaU, 0x5d018c35U, 0x73fa8774U, 0x2efb0b41U,
|
---|
727 | 0x5ab3671dU, 0x5292dbd2U, 0x33e91056U, 0x136dd647U,
|
---|
728 | 0x8c9ad761U, 0x7a37a10cU, 0x8e59f814U, 0x89eb133cU,
|
---|
729 | 0xeecea927U, 0x35b761c9U, 0xede11ce5U, 0x3c7a47b1U,
|
---|
730 | 0x599cd2dfU, 0x3f55f273U, 0x791814ceU, 0xbf73c737U,
|
---|
731 | 0xea53f7cdU, 0x5b5ffdaaU, 0x14df3d6fU, 0x867844dbU,
|
---|
732 | 0x81caaff3U, 0x3eb968c4U, 0x2c382434U, 0x5fc2a340U,
|
---|
733 | 0x72161dc3U, 0x0cbce225U, 0x8b283c49U, 0x41ff0d95U,
|
---|
734 | 0x7139a801U, 0xde080cb3U, 0x9cd8b4e4U, 0x906456c1U,
|
---|
735 | 0x617bcb84U, 0x70d532b6U, 0x74486c5cU, 0x42d0b857U,
|
---|
736 | },
|
---|
737 | {
|
---|
738 | 0xa75051f4U, 0x65537e41U, 0xa4c31a17U, 0x5e963a27U,
|
---|
739 | 0x6bcb3babU, 0x45f11f9dU, 0x58abacfaU, 0x03934be3U,
|
---|
740 | 0xfa552030U, 0x6df6ad76U, 0x769188ccU, 0x4c25f502U,
|
---|
741 | 0xd7fc4fe5U, 0xcbd7c52aU, 0x44802635U, 0xa38fb562U,
|
---|
742 | 0x5a49deb1U, 0x1b6725baU, 0x0e9845eaU, 0xc0e15dfeU,
|
---|
743 | 0x7502c32fU, 0xf012814cU, 0x97a38d46U, 0xf9c66bd3U,
|
---|
744 | 0x5fe7038fU, 0x9c951592U, 0x7aebbf6dU, 0x59da9552U,
|
---|
745 | 0x832dd4beU, 0x21d35874U, 0x692949e0U, 0xc8448ec9U,
|
---|
746 | 0x896a75c2U, 0x7978f48eU, 0x3e6b9958U, 0x71dd27b9U,
|
---|
747 | 0x4fb6bee1U, 0xad17f088U, 0xac66c920U, 0x3ab47dceU,
|
---|
748 | 0x4a1863dfU, 0x3182e51aU, 0x33609751U, 0x7f456253U,
|
---|
749 | 0x77e0b164U, 0xae84bb6bU, 0xa01cfe81U, 0x2b94f908U,
|
---|
750 | 0x68587048U, 0xfd198f45U, 0x6c8794deU, 0xf8b7527bU,
|
---|
751 | 0xd323ab73U, 0x02e2724bU, 0x8f57e31fU, 0xab2a6655U,
|
---|
752 | 0x2807b2ebU, 0xc2032fb5U, 0x7b9a86c5U, 0x08a5d337U,
|
---|
753 | 0x87f23028U, 0xa5b223bfU, 0x6aba0203U, 0x825ced16U,
|
---|
754 | 0x1c2b8acfU, 0xb492a779U, 0xf2f0f307U, 0xe2a14e69U,
|
---|
755 | 0xf4cd65daU, 0xbed50605U, 0x621fd134U, 0xfe8ac4a6U,
|
---|
756 | 0x539d342eU, 0x55a0a2f3U, 0xe132058aU, 0xeb75a4f6U,
|
---|
757 | 0xec390b83U, 0xefaa4060U, 0x9f065e71U, 0x1051bd6eU,
|
---|
758 |
|
---|
759 | 0x8af93e21U, 0x063d96ddU, 0x05aedd3eU, 0xbd464de6U,
|
---|
760 | 0x8db59154U, 0x5d0571c4U, 0xd46f0406U, 0x15ff6050U,
|
---|
761 | 0xfb241998U, 0xe997d6bdU, 0x43cc8940U, 0x9e7767d9U,
|
---|
762 | 0x42bdb0e8U, 0x8b880789U, 0x5b38e719U, 0xeedb79c8U,
|
---|
763 | 0x0a47a17cU, 0x0fe97c42U, 0x1ec9f884U, 0x00000000U,
|
---|
764 | 0x86830980U, 0xed48322bU, 0x70ac1e11U, 0x724e6c5aU,
|
---|
765 | 0xfffbfd0eU, 0x38560f85U, 0xd51e3daeU, 0x3927362dU,
|
---|
766 | 0xd9640a0fU, 0xa621685cU, 0x54d19b5bU, 0x2e3a2436U,
|
---|
767 | 0x67b10c0aU, 0xe70f9357U, 0x96d2b4eeU, 0x919e1b9bU,
|
---|
768 | 0xc54f80c0U, 0x20a261dcU, 0x4b695a77U, 0x1a161c12U,
|
---|
769 | 0xba0ae293U, 0x2ae5c0a0U, 0xe0433c22U, 0x171d121bU,
|
---|
770 | 0x0d0b0e09U, 0xc7adf28bU, 0xa8b92db6U, 0xa9c8141eU,
|
---|
771 | 0x198557f1U, 0x074caf75U, 0xddbbee99U, 0x60fda37fU,
|
---|
772 | 0x269ff701U, 0xf5bc5c72U, 0x3bc54466U, 0x7e345bfbU,
|
---|
773 | 0x29768b43U, 0xc6dccb23U, 0xfc68b6edU, 0xf163b8e4U,
|
---|
774 | 0xdccad731U, 0x85104263U, 0x22401397U, 0x112084c6U,
|
---|
775 | 0x247d854aU, 0x3df8d2bbU, 0x3211aef9U, 0xa16dc729U,
|
---|
776 | 0x2f4b1d9eU, 0x30f3dcb2U, 0x52ec0d86U, 0xe3d077c1U,
|
---|
777 | 0x166c2bb3U, 0xb999a970U, 0x48fa1194U, 0x642247e9U,
|
---|
778 | 0x8cc4a8fcU, 0x3f1aa0f0U, 0x2cd8567dU, 0x90ef2233U,
|
---|
779 | 0x4ec78749U, 0xd1c1d938U, 0xa2fe8ccaU, 0x0b3698d4U,
|
---|
780 | 0x81cfa6f5U, 0xde28a57aU, 0x8e26dab7U, 0xbfa43fadU,
|
---|
781 | 0x9de42c3aU, 0x920d5078U, 0xcc9b6a5fU, 0x4662547eU,
|
---|
782 | 0x13c2f68dU, 0xb8e890d8U, 0xf75e2e39U, 0xaff582c3U,
|
---|
783 | 0x80be9f5dU, 0x937c69d0U, 0x2da96fd5U, 0x12b3cf25U,
|
---|
784 | 0x993bc8acU, 0x7da71018U, 0x636ee89cU, 0xbb7bdb3bU,
|
---|
785 | 0x7809cd26U, 0x18f46e59U, 0xb701ec9aU, 0x9aa8834fU,
|
---|
786 | 0x6e65e695U, 0xe67eaaffU, 0xcf0821bcU, 0xe8e6ef15U,
|
---|
787 | 0x9bd9bae7U, 0x36ce4a6fU, 0x09d4ea9fU, 0x7cd629b0U,
|
---|
788 | 0xb2af31a4U, 0x23312a3fU, 0x9430c6a5U, 0x66c035a2U,
|
---|
789 | 0xbc37744eU, 0xcaa6fc82U, 0xd0b0e090U, 0xd81533a7U,
|
---|
790 | 0x984af104U, 0xdaf741ecU, 0x500e7fcdU, 0xf62f1791U,
|
---|
791 | 0xd68d764dU, 0xb04d43efU, 0x4d54ccaaU, 0x04dfe496U,
|
---|
792 | 0xb5e39ed1U, 0x881b4c6aU, 0x1fb8c12cU, 0x517f4665U,
|
---|
793 | 0xea049d5eU, 0x355d018cU, 0x7473fa87U, 0x412efb0bU,
|
---|
794 | 0x1d5ab367U, 0xd25292dbU, 0x5633e910U, 0x47136dd6U,
|
---|
795 | 0x618c9ad7U, 0x0c7a37a1U, 0x148e59f8U, 0x3c89eb13U,
|
---|
796 | 0x27eecea9U, 0xc935b761U, 0xe5ede11cU, 0xb13c7a47U,
|
---|
797 | 0xdf599cd2U, 0x733f55f2U, 0xce791814U, 0x37bf73c7U,
|
---|
798 | 0xcdea53f7U, 0xaa5b5ffdU, 0x6f14df3dU, 0xdb867844U,
|
---|
799 | 0xf381caafU, 0xc43eb968U, 0x342c3824U, 0x405fc2a3U,
|
---|
800 | 0xc372161dU, 0x250cbce2U, 0x498b283cU, 0x9541ff0dU,
|
---|
801 | 0x017139a8U, 0xb3de080cU, 0xe49cd8b4U, 0xc1906456U,
|
---|
802 | 0x84617bcbU, 0xb670d532U, 0x5c74486cU, 0x5742d0b8U,
|
---|
803 | },
|
---|
804 | {
|
---|
805 | 0xf4a75051U, 0x4165537eU, 0x17a4c31aU, 0x275e963aU,
|
---|
806 | 0xab6bcb3bU, 0x9d45f11fU, 0xfa58abacU, 0xe303934bU,
|
---|
807 | 0x30fa5520U, 0x766df6adU, 0xcc769188U, 0x024c25f5U,
|
---|
808 | 0xe5d7fc4fU, 0x2acbd7c5U, 0x35448026U, 0x62a38fb5U,
|
---|
809 | 0xb15a49deU, 0xba1b6725U, 0xea0e9845U, 0xfec0e15dU,
|
---|
810 | 0x2f7502c3U, 0x4cf01281U, 0x4697a38dU, 0xd3f9c66bU,
|
---|
811 | 0x8f5fe703U, 0x929c9515U, 0x6d7aebbfU, 0x5259da95U,
|
---|
812 | 0xbe832dd4U, 0x7421d358U, 0xe0692949U, 0xc9c8448eU,
|
---|
813 | 0xc2896a75U, 0x8e7978f4U, 0x583e6b99U, 0xb971dd27U,
|
---|
814 | 0xe14fb6beU, 0x88ad17f0U, 0x20ac66c9U, 0xce3ab47dU,
|
---|
815 | 0xdf4a1863U, 0x1a3182e5U, 0x51336097U, 0x537f4562U,
|
---|
816 | 0x6477e0b1U, 0x6bae84bbU, 0x81a01cfeU, 0x082b94f9U,
|
---|
817 | 0x48685870U, 0x45fd198fU, 0xde6c8794U, 0x7bf8b752U,
|
---|
818 | 0x73d323abU, 0x4b02e272U, 0x1f8f57e3U, 0x55ab2a66U,
|
---|
819 | 0xeb2807b2U, 0xb5c2032fU, 0xc57b9a86U, 0x3708a5d3U,
|
---|
820 | 0x2887f230U, 0xbfa5b223U, 0x036aba02U, 0x16825cedU,
|
---|
821 | 0xcf1c2b8aU, 0x79b492a7U, 0x07f2f0f3U, 0x69e2a14eU,
|
---|
822 | 0xdaf4cd65U, 0x05bed506U, 0x34621fd1U, 0xa6fe8ac4U,
|
---|
823 | 0x2e539d34U, 0xf355a0a2U, 0x8ae13205U, 0xf6eb75a4U,
|
---|
824 | 0x83ec390bU, 0x60efaa40U, 0x719f065eU, 0x6e1051bdU,
|
---|
825 | 0x218af93eU, 0xdd063d96U, 0x3e05aeddU, 0xe6bd464dU,
|
---|
826 | 0x548db591U, 0xc45d0571U, 0x06d46f04U, 0x5015ff60U,
|
---|
827 | 0x98fb2419U, 0xbde997d6U, 0x4043cc89U, 0xd99e7767U,
|
---|
828 | 0xe842bdb0U, 0x898b8807U, 0x195b38e7U, 0xc8eedb79U,
|
---|
829 | 0x7c0a47a1U, 0x420fe97cU, 0x841ec9f8U, 0x00000000U,
|
---|
830 | 0x80868309U, 0x2bed4832U, 0x1170ac1eU, 0x5a724e6cU,
|
---|
831 | 0x0efffbfdU, 0x8538560fU, 0xaed51e3dU, 0x2d392736U,
|
---|
832 | 0x0fd9640aU, 0x5ca62168U, 0x5b54d19bU, 0x362e3a24U,
|
---|
833 | 0x0a67b10cU, 0x57e70f93U, 0xee96d2b4U, 0x9b919e1bU,
|
---|
834 | 0xc0c54f80U, 0xdc20a261U, 0x774b695aU, 0x121a161cU,
|
---|
835 | 0x93ba0ae2U, 0xa02ae5c0U, 0x22e0433cU, 0x1b171d12U,
|
---|
836 | 0x090d0b0eU, 0x8bc7adf2U, 0xb6a8b92dU, 0x1ea9c814U,
|
---|
837 | 0xf1198557U, 0x75074cafU, 0x99ddbbeeU, 0x7f60fda3U,
|
---|
838 | 0x01269ff7U, 0x72f5bc5cU, 0x663bc544U, 0xfb7e345bU,
|
---|
839 | 0x4329768bU, 0x23c6dccbU, 0xedfc68b6U, 0xe4f163b8U,
|
---|
840 | 0x31dccad7U, 0x63851042U, 0x97224013U, 0xc6112084U,
|
---|
841 | 0x4a247d85U, 0xbb3df8d2U, 0xf93211aeU, 0x29a16dc7U,
|
---|
842 | 0x9e2f4b1dU, 0xb230f3dcU, 0x8652ec0dU, 0xc1e3d077U,
|
---|
843 | 0xb3166c2bU, 0x70b999a9U, 0x9448fa11U, 0xe9642247U,
|
---|
844 | 0xfc8cc4a8U, 0xf03f1aa0U, 0x7d2cd856U, 0x3390ef22U,
|
---|
845 | 0x494ec787U, 0x38d1c1d9U, 0xcaa2fe8cU, 0xd40b3698U,
|
---|
846 | 0xf581cfa6U, 0x7ade28a5U, 0xb78e26daU, 0xadbfa43fU,
|
---|
847 | 0x3a9de42cU, 0x78920d50U, 0x5fcc9b6aU, 0x7e466254U,
|
---|
848 | 0x8d13c2f6U, 0xd8b8e890U, 0x39f75e2eU, 0xc3aff582U,
|
---|
849 | 0x5d80be9fU, 0xd0937c69U, 0xd52da96fU, 0x2512b3cfU,
|
---|
850 | 0xac993bc8U, 0x187da710U, 0x9c636ee8U, 0x3bbb7bdbU,
|
---|
851 | 0x267809cdU, 0x5918f46eU, 0x9ab701ecU, 0x4f9aa883U,
|
---|
852 | 0x956e65e6U, 0xffe67eaaU, 0xbccf0821U, 0x15e8e6efU,
|
---|
853 | 0xe79bd9baU, 0x6f36ce4aU, 0x9f09d4eaU, 0xb07cd629U,
|
---|
854 | 0xa4b2af31U, 0x3f23312aU, 0xa59430c6U, 0xa266c035U,
|
---|
855 | 0x4ebc3774U, 0x82caa6fcU, 0x90d0b0e0U, 0xa7d81533U,
|
---|
856 | 0x04984af1U, 0xecdaf741U, 0xcd500e7fU, 0x91f62f17U,
|
---|
857 | 0x4dd68d76U, 0xefb04d43U, 0xaa4d54ccU, 0x9604dfe4U,
|
---|
858 | 0xd1b5e39eU, 0x6a881b4cU, 0x2c1fb8c1U, 0x65517f46U,
|
---|
859 | 0x5eea049dU, 0x8c355d01U, 0x877473faU, 0x0b412efbU,
|
---|
860 | 0x671d5ab3U, 0xdbd25292U, 0x105633e9U, 0xd647136dU,
|
---|
861 | 0xd7618c9aU, 0xa10c7a37U, 0xf8148e59U, 0x133c89ebU,
|
---|
862 | 0xa927eeceU, 0x61c935b7U, 0x1ce5ede1U, 0x47b13c7aU,
|
---|
863 | 0xd2df599cU, 0xf2733f55U, 0x14ce7918U, 0xc737bf73U,
|
---|
864 | 0xf7cdea53U, 0xfdaa5b5fU, 0x3d6f14dfU, 0x44db8678U,
|
---|
865 | 0xaff381caU, 0x68c43eb9U, 0x24342c38U, 0xa3405fc2U,
|
---|
866 | 0x1dc37216U, 0xe2250cbcU, 0x3c498b28U, 0x0d9541ffU,
|
---|
867 | 0xa8017139U, 0x0cb3de08U, 0xb4e49cd8U, 0x56c19064U,
|
---|
868 | 0xcb84617bU, 0x32b670d5U, 0x6c5c7448U, 0xb85742d0U,
|
---|
869 | },
|
---|
870 | {
|
---|
871 | 0x52525252U, 0x09090909U, 0x6a6a6a6aU, 0xd5d5d5d5U,
|
---|
872 | 0x30303030U, 0x36363636U, 0xa5a5a5a5U, 0x38383838U,
|
---|
873 | 0xbfbfbfbfU, 0x40404040U, 0xa3a3a3a3U, 0x9e9e9e9eU,
|
---|
874 | 0x81818181U, 0xf3f3f3f3U, 0xd7d7d7d7U, 0xfbfbfbfbU,
|
---|
875 | 0x7c7c7c7cU, 0xe3e3e3e3U, 0x39393939U, 0x82828282U,
|
---|
876 | 0x9b9b9b9bU, 0x2f2f2f2fU, 0xffffffffU, 0x87878787U,
|
---|
877 | 0x34343434U, 0x8e8e8e8eU, 0x43434343U, 0x44444444U,
|
---|
878 | 0xc4c4c4c4U, 0xdedededeU, 0xe9e9e9e9U, 0xcbcbcbcbU,
|
---|
879 | 0x54545454U, 0x7b7b7b7bU, 0x94949494U, 0x32323232U,
|
---|
880 | 0xa6a6a6a6U, 0xc2c2c2c2U, 0x23232323U, 0x3d3d3d3dU,
|
---|
881 | 0xeeeeeeeeU, 0x4c4c4c4cU, 0x95959595U, 0x0b0b0b0bU,
|
---|
882 | 0x42424242U, 0xfafafafaU, 0xc3c3c3c3U, 0x4e4e4e4eU,
|
---|
883 | 0x08080808U, 0x2e2e2e2eU, 0xa1a1a1a1U, 0x66666666U,
|
---|
884 | 0x28282828U, 0xd9d9d9d9U, 0x24242424U, 0xb2b2b2b2U,
|
---|
885 | 0x76767676U, 0x5b5b5b5bU, 0xa2a2a2a2U, 0x49494949U,
|
---|
886 | 0x6d6d6d6dU, 0x8b8b8b8bU, 0xd1d1d1d1U, 0x25252525U,
|
---|
887 | 0x72727272U, 0xf8f8f8f8U, 0xf6f6f6f6U, 0x64646464U,
|
---|
888 | 0x86868686U, 0x68686868U, 0x98989898U, 0x16161616U,
|
---|
889 | 0xd4d4d4d4U, 0xa4a4a4a4U, 0x5c5c5c5cU, 0xccccccccU,
|
---|
890 | 0x5d5d5d5dU, 0x65656565U, 0xb6b6b6b6U, 0x92929292U,
|
---|
891 | 0x6c6c6c6cU, 0x70707070U, 0x48484848U, 0x50505050U,
|
---|
892 | 0xfdfdfdfdU, 0xededededU, 0xb9b9b9b9U, 0xdadadadaU,
|
---|
893 | 0x5e5e5e5eU, 0x15151515U, 0x46464646U, 0x57575757U,
|
---|
894 | 0xa7a7a7a7U, 0x8d8d8d8dU, 0x9d9d9d9dU, 0x84848484U,
|
---|
895 | 0x90909090U, 0xd8d8d8d8U, 0xababababU, 0x00000000U,
|
---|
896 | 0x8c8c8c8cU, 0xbcbcbcbcU, 0xd3d3d3d3U, 0x0a0a0a0aU,
|
---|
897 | 0xf7f7f7f7U, 0xe4e4e4e4U, 0x58585858U, 0x05050505U,
|
---|
898 | 0xb8b8b8b8U, 0xb3b3b3b3U, 0x45454545U, 0x06060606U,
|
---|
899 | 0xd0d0d0d0U, 0x2c2c2c2cU, 0x1e1e1e1eU, 0x8f8f8f8fU,
|
---|
900 | 0xcacacacaU, 0x3f3f3f3fU, 0x0f0f0f0fU, 0x02020202U,
|
---|
901 | 0xc1c1c1c1U, 0xafafafafU, 0xbdbdbdbdU, 0x03030303U,
|
---|
902 | 0x01010101U, 0x13131313U, 0x8a8a8a8aU, 0x6b6b6b6bU,
|
---|
903 | 0x3a3a3a3aU, 0x91919191U, 0x11111111U, 0x41414141U,
|
---|
904 | 0x4f4f4f4fU, 0x67676767U, 0xdcdcdcdcU, 0xeaeaeaeaU,
|
---|
905 | 0x97979797U, 0xf2f2f2f2U, 0xcfcfcfcfU, 0xcecececeU,
|
---|
906 | 0xf0f0f0f0U, 0xb4b4b4b4U, 0xe6e6e6e6U, 0x73737373U,
|
---|
907 | 0x96969696U, 0xacacacacU, 0x74747474U, 0x22222222U,
|
---|
908 | 0xe7e7e7e7U, 0xadadadadU, 0x35353535U, 0x85858585U,
|
---|
909 | 0xe2e2e2e2U, 0xf9f9f9f9U, 0x37373737U, 0xe8e8e8e8U,
|
---|
910 | 0x1c1c1c1cU, 0x75757575U, 0xdfdfdfdfU, 0x6e6e6e6eU,
|
---|
911 | 0x47474747U, 0xf1f1f1f1U, 0x1a1a1a1aU, 0x71717171U,
|
---|
912 | 0x1d1d1d1dU, 0x29292929U, 0xc5c5c5c5U, 0x89898989U,
|
---|
913 | 0x6f6f6f6fU, 0xb7b7b7b7U, 0x62626262U, 0x0e0e0e0eU,
|
---|
914 | 0xaaaaaaaaU, 0x18181818U, 0xbebebebeU, 0x1b1b1b1bU,
|
---|
915 | 0xfcfcfcfcU, 0x56565656U, 0x3e3e3e3eU, 0x4b4b4b4bU,
|
---|
916 | 0xc6c6c6c6U, 0xd2d2d2d2U, 0x79797979U, 0x20202020U,
|
---|
917 | 0x9a9a9a9aU, 0xdbdbdbdbU, 0xc0c0c0c0U, 0xfefefefeU,
|
---|
918 | 0x78787878U, 0xcdcdcdcdU, 0x5a5a5a5aU, 0xf4f4f4f4U,
|
---|
919 | 0x1f1f1f1fU, 0xddddddddU, 0xa8a8a8a8U, 0x33333333U,
|
---|
920 | 0x88888888U, 0x07070707U, 0xc7c7c7c7U, 0x31313131U,
|
---|
921 | 0xb1b1b1b1U, 0x12121212U, 0x10101010U, 0x59595959U,
|
---|
922 | 0x27272727U, 0x80808080U, 0xececececU, 0x5f5f5f5fU,
|
---|
923 | 0x60606060U, 0x51515151U, 0x7f7f7f7fU, 0xa9a9a9a9U,
|
---|
924 | 0x19191919U, 0xb5b5b5b5U, 0x4a4a4a4aU, 0x0d0d0d0dU,
|
---|
925 | 0x2d2d2d2dU, 0xe5e5e5e5U, 0x7a7a7a7aU, 0x9f9f9f9fU,
|
---|
926 | 0x93939393U, 0xc9c9c9c9U, 0x9c9c9c9cU, 0xefefefefU,
|
---|
927 | 0xa0a0a0a0U, 0xe0e0e0e0U, 0x3b3b3b3bU, 0x4d4d4d4dU,
|
---|
928 | 0xaeaeaeaeU, 0x2a2a2a2aU, 0xf5f5f5f5U, 0xb0b0b0b0U,
|
---|
929 | 0xc8c8c8c8U, 0xebebebebU, 0xbbbbbbbbU, 0x3c3c3c3cU,
|
---|
930 | 0x83838383U, 0x53535353U, 0x99999999U, 0x61616161U,
|
---|
931 | 0x17171717U, 0x2b2b2b2bU, 0x04040404U, 0x7e7e7e7eU,
|
---|
932 | 0xbabababaU, 0x77777777U, 0xd6d6d6d6U, 0x26262626U,
|
---|
933 | 0xe1e1e1e1U, 0x69696969U, 0x14141414U, 0x63636363U,
|
---|
934 | 0x55555555U, 0x21212121U, 0x0c0c0c0cU, 0x7d7d7d7dU,
|
---|
935 | }
|
---|
936 | };
|
---|
937 |
|
---|
938 | #define GETBYTE(x, y) (word32)((byte)((x) >> (8 * (y))))
|
---|
939 |
|
---|
940 | #ifdef WOLFSSL_AESNI
|
---|
941 |
|
---|
942 | /* Each platform needs to query info type 1 from cpuid to see if aesni is
|
---|
943 | * supported. Also, let's setup a macro for proper linkage w/o ABI conflicts
|
---|
944 | */
|
---|
945 |
|
---|
946 | #ifndef _MSC_VER
|
---|
947 |
|
---|
948 | #define cpuid(reg, func)\
|
---|
949 | __asm__ __volatile__ ("cpuid":\
|
---|
950 | "=a" (reg[0]), "=b" (reg[1]), "=c" (reg[2]), "=d" (reg[3]) :\
|
---|
951 | "a" (func));
|
---|
952 |
|
---|
953 | #define XASM_LINK(f) asm(f)
|
---|
954 | #else
|
---|
955 |
|
---|
956 | #include <intrin.h>
|
---|
957 | #define cpuid(a,b) __cpuid((int*)a,b)
|
---|
958 |
|
---|
959 | #define XASM_LINK(f)
|
---|
960 |
|
---|
961 | #endif /* _MSC_VER */
|
---|
962 |
|
---|
963 |
|
---|
964 | static int Check_CPU_support_AES(void)
|
---|
965 | {
|
---|
966 | unsigned int reg[4]; /* put a,b,c,d into 0,1,2,3 */
|
---|
967 | cpuid(reg, 1); /* query info 1 */
|
---|
968 |
|
---|
969 | if (reg[2] & 0x2000000)
|
---|
970 | return 1;
|
---|
971 |
|
---|
972 | return 0;
|
---|
973 | }
|
---|
974 |
|
---|
975 | static int checkAESNI = 0;
|
---|
976 | static int haveAESNI = 0;
|
---|
977 |
|
---|
978 |
|
---|
979 | /* tell C compiler these are asm functions in case any mix up of ABI underscore
|
---|
980 | prefix between clang/gcc/llvm etc */
|
---|
981 | void AES_CBC_encrypt(const unsigned char* in, unsigned char* out,
|
---|
982 | unsigned char* ivec, unsigned long length,
|
---|
983 | const unsigned char* KS, int nr)
|
---|
984 | XASM_LINK("AES_CBC_encrypt");
|
---|
985 |
|
---|
986 |
|
---|
987 | void AES_CBC_decrypt(const unsigned char* in, unsigned char* out,
|
---|
988 | unsigned char* ivec, unsigned long length,
|
---|
989 | const unsigned char* KS, int nr)
|
---|
990 | XASM_LINK("AES_CBC_decrypt");
|
---|
991 |
|
---|
992 | void AES_ECB_encrypt(const unsigned char* in, unsigned char* out,
|
---|
993 | unsigned long length, const unsigned char* KS, int nr)
|
---|
994 | XASM_LINK("AES_ECB_encrypt");
|
---|
995 |
|
---|
996 |
|
---|
997 | void AES_ECB_decrypt(const unsigned char* in, unsigned char* out,
|
---|
998 | unsigned long length, const unsigned char* KS, int nr)
|
---|
999 | XASM_LINK("AES_ECB_decrypt");
|
---|
1000 |
|
---|
1001 | void AES_128_Key_Expansion(const unsigned char* userkey,
|
---|
1002 | unsigned char* key_schedule)
|
---|
1003 | XASM_LINK("AES_128_Key_Expansion");
|
---|
1004 |
|
---|
1005 | void AES_192_Key_Expansion(const unsigned char* userkey,
|
---|
1006 | unsigned char* key_schedule)
|
---|
1007 | XASM_LINK("AES_192_Key_Expansion");
|
---|
1008 |
|
---|
1009 | void AES_256_Key_Expansion(const unsigned char* userkey,
|
---|
1010 | unsigned char* key_schedule)
|
---|
1011 | XASM_LINK("AES_256_Key_Expansion");
|
---|
1012 |
|
---|
1013 |
|
---|
1014 | static int AES_set_encrypt_key(const unsigned char *userKey, const int bits,
|
---|
1015 | Aes* aes)
|
---|
1016 | {
|
---|
1017 | if (!userKey || !aes)
|
---|
1018 | return BAD_FUNC_ARG;
|
---|
1019 |
|
---|
1020 | if (bits == 128) {
|
---|
1021 | AES_128_Key_Expansion (userKey,(byte*)aes->key); aes->rounds = 10;
|
---|
1022 | return 0;
|
---|
1023 | }
|
---|
1024 | else if (bits == 192) {
|
---|
1025 | AES_192_Key_Expansion (userKey,(byte*)aes->key); aes->rounds = 12;
|
---|
1026 | return 0;
|
---|
1027 | }
|
---|
1028 | else if (bits == 256) {
|
---|
1029 | AES_256_Key_Expansion (userKey,(byte*)aes->key); aes->rounds = 14;
|
---|
1030 | return 0;
|
---|
1031 | }
|
---|
1032 | return BAD_FUNC_ARG;
|
---|
1033 | }
|
---|
1034 |
|
---|
1035 |
|
---|
1036 | static int AES_set_decrypt_key(const unsigned char* userKey, const int bits,
|
---|
1037 | Aes* aes)
|
---|
1038 | {
|
---|
1039 | int nr;
|
---|
1040 | Aes temp_key;
|
---|
1041 | __m128i *Key_Schedule = (__m128i*)aes->key;
|
---|
1042 | __m128i *Temp_Key_Schedule = (__m128i*)temp_key.key;
|
---|
1043 |
|
---|
1044 | if (!userKey || !aes)
|
---|
1045 | return BAD_FUNC_ARG;
|
---|
1046 |
|
---|
1047 | if (AES_set_encrypt_key(userKey,bits,&temp_key) == BAD_FUNC_ARG)
|
---|
1048 | return BAD_FUNC_ARG;
|
---|
1049 |
|
---|
1050 | nr = temp_key.rounds;
|
---|
1051 | aes->rounds = nr;
|
---|
1052 |
|
---|
1053 | Key_Schedule[nr] = Temp_Key_Schedule[0];
|
---|
1054 | Key_Schedule[nr-1] = _mm_aesimc_si128(Temp_Key_Schedule[1]);
|
---|
1055 | Key_Schedule[nr-2] = _mm_aesimc_si128(Temp_Key_Schedule[2]);
|
---|
1056 | Key_Schedule[nr-3] = _mm_aesimc_si128(Temp_Key_Schedule[3]);
|
---|
1057 | Key_Schedule[nr-4] = _mm_aesimc_si128(Temp_Key_Schedule[4]);
|
---|
1058 | Key_Schedule[nr-5] = _mm_aesimc_si128(Temp_Key_Schedule[5]);
|
---|
1059 | Key_Schedule[nr-6] = _mm_aesimc_si128(Temp_Key_Schedule[6]);
|
---|
1060 | Key_Schedule[nr-7] = _mm_aesimc_si128(Temp_Key_Schedule[7]);
|
---|
1061 | Key_Schedule[nr-8] = _mm_aesimc_si128(Temp_Key_Schedule[8]);
|
---|
1062 | Key_Schedule[nr-9] = _mm_aesimc_si128(Temp_Key_Schedule[9]);
|
---|
1063 |
|
---|
1064 | if(nr>10) {
|
---|
1065 | Key_Schedule[nr-10] = _mm_aesimc_si128(Temp_Key_Schedule[10]);
|
---|
1066 | Key_Schedule[nr-11] = _mm_aesimc_si128(Temp_Key_Schedule[11]);
|
---|
1067 | }
|
---|
1068 |
|
---|
1069 | if(nr>12) {
|
---|
1070 | Key_Schedule[nr-12] = _mm_aesimc_si128(Temp_Key_Schedule[12]);
|
---|
1071 | Key_Schedule[nr-13] = _mm_aesimc_si128(Temp_Key_Schedule[13]);
|
---|
1072 | }
|
---|
1073 |
|
---|
1074 | Key_Schedule[0] = Temp_Key_Schedule[nr];
|
---|
1075 |
|
---|
1076 | return 0;
|
---|
1077 | }
|
---|
1078 |
|
---|
1079 |
|
---|
1080 |
|
---|
1081 | #endif /* WOLFSSL_AESNI */
|
---|
1082 |
|
---|
1083 |
|
---|
1084 | static void wc_AesEncrypt(Aes* aes, const byte* inBlock, byte* outBlock)
|
---|
1085 | {
|
---|
1086 | word32 s0, s1, s2, s3;
|
---|
1087 | word32 t0, t1, t2, t3;
|
---|
1088 | word32 r = aes->rounds >> 1;
|
---|
1089 |
|
---|
1090 | const word32* rk = aes->key;
|
---|
1091 | if (r > 7 || r == 0) {
|
---|
1092 | WOLFSSL_MSG("AesEncrypt encountered improper key, set it up");
|
---|
1093 | return; /* stop instead of segfaulting, set up your keys! */
|
---|
1094 | }
|
---|
1095 | #ifdef WOLFSSL_AESNI
|
---|
1096 | if (haveAESNI && aes->use_aesni) {
|
---|
1097 | #ifdef DEBUG_AESNI
|
---|
1098 | printf("about to aes encrypt\n");
|
---|
1099 | printf("in = %p\n", inBlock);
|
---|
1100 | printf("out = %p\n", outBlock);
|
---|
1101 | printf("aes->key = %p\n", aes->key);
|
---|
1102 | printf("aes->rounds = %d\n", aes->rounds);
|
---|
1103 | printf("sz = %d\n", AES_BLOCK_SIZE);
|
---|
1104 | #endif
|
---|
1105 |
|
---|
1106 | /* check alignment, decrypt doesn't need alignment */
|
---|
1107 | if ((wolfssl_word)inBlock % 16) {
|
---|
1108 | #ifndef NO_WOLFSSL_ALLOC_ALIGN
|
---|
1109 | byte* tmp = (byte*)XMALLOC(AES_BLOCK_SIZE, NULL,
|
---|
1110 | DYNAMIC_TYPE_TMP_BUFFER);
|
---|
1111 | if (tmp == NULL) return;
|
---|
1112 |
|
---|
1113 | XMEMCPY(tmp, inBlock, AES_BLOCK_SIZE);
|
---|
1114 | AES_ECB_encrypt(tmp, tmp, AES_BLOCK_SIZE, (byte*)aes->key,
|
---|
1115 | aes->rounds);
|
---|
1116 | XMEMCPY(outBlock, tmp, AES_BLOCK_SIZE);
|
---|
1117 | XFREE(tmp, NULL, DYNAMIC_TYPE_TMP_BUFFER);
|
---|
1118 | return;
|
---|
1119 | #else
|
---|
1120 | WOLFSSL_MSG("AES-ECB encrypt with bad alignment");
|
---|
1121 | return;
|
---|
1122 | #endif
|
---|
1123 | }
|
---|
1124 |
|
---|
1125 | AES_ECB_encrypt(inBlock, outBlock, AES_BLOCK_SIZE, (byte*)aes->key,
|
---|
1126 | aes->rounds);
|
---|
1127 |
|
---|
1128 | return;
|
---|
1129 | }
|
---|
1130 | else {
|
---|
1131 | #ifdef DEBUG_AESNI
|
---|
1132 | printf("Skipping AES-NI\n");
|
---|
1133 | #endif
|
---|
1134 | }
|
---|
1135 | #endif
|
---|
1136 |
|
---|
1137 | /*
|
---|
1138 | * map byte array block to cipher state
|
---|
1139 | * and add initial round key:
|
---|
1140 | */
|
---|
1141 | XMEMCPY(&s0, inBlock, sizeof(s0));
|
---|
1142 | XMEMCPY(&s1, inBlock + sizeof(s0), sizeof(s1));
|
---|
1143 | XMEMCPY(&s2, inBlock + 2 * sizeof(s0), sizeof(s2));
|
---|
1144 | XMEMCPY(&s3, inBlock + 3 * sizeof(s0), sizeof(s3));
|
---|
1145 |
|
---|
1146 | #ifdef LITTLE_ENDIAN_ORDER
|
---|
1147 | s0 = ByteReverseWord32(s0);
|
---|
1148 | s1 = ByteReverseWord32(s1);
|
---|
1149 | s2 = ByteReverseWord32(s2);
|
---|
1150 | s3 = ByteReverseWord32(s3);
|
---|
1151 | #endif
|
---|
1152 |
|
---|
1153 | s0 ^= rk[0];
|
---|
1154 | s1 ^= rk[1];
|
---|
1155 | s2 ^= rk[2];
|
---|
1156 | s3 ^= rk[3];
|
---|
1157 |
|
---|
1158 | /*
|
---|
1159 | * Nr - 1 full rounds:
|
---|
1160 | */
|
---|
1161 |
|
---|
1162 | for (;;) {
|
---|
1163 | t0 =
|
---|
1164 | Te[0][GETBYTE(s0, 3)] ^
|
---|
1165 | Te[1][GETBYTE(s1, 2)] ^
|
---|
1166 | Te[2][GETBYTE(s2, 1)] ^
|
---|
1167 | Te[3][GETBYTE(s3, 0)] ^
|
---|
1168 | rk[4];
|
---|
1169 | t1 =
|
---|
1170 | Te[0][GETBYTE(s1, 3)] ^
|
---|
1171 | Te[1][GETBYTE(s2, 2)] ^
|
---|
1172 | Te[2][GETBYTE(s3, 1)] ^
|
---|
1173 | Te[3][GETBYTE(s0, 0)] ^
|
---|
1174 | rk[5];
|
---|
1175 | t2 =
|
---|
1176 | Te[0][GETBYTE(s2, 3)] ^
|
---|
1177 | Te[1][GETBYTE(s3, 2)] ^
|
---|
1178 | Te[2][GETBYTE(s0, 1)] ^
|
---|
1179 | Te[3][GETBYTE(s1, 0)] ^
|
---|
1180 | rk[6];
|
---|
1181 | t3 =
|
---|
1182 | Te[0][GETBYTE(s3, 3)] ^
|
---|
1183 | Te[1][GETBYTE(s0, 2)] ^
|
---|
1184 | Te[2][GETBYTE(s1, 1)] ^
|
---|
1185 | Te[3][GETBYTE(s2, 0)] ^
|
---|
1186 | rk[7];
|
---|
1187 |
|
---|
1188 | rk += 8;
|
---|
1189 | if (--r == 0) {
|
---|
1190 | break;
|
---|
1191 | }
|
---|
1192 |
|
---|
1193 | s0 =
|
---|
1194 | Te[0][GETBYTE(t0, 3)] ^
|
---|
1195 | Te[1][GETBYTE(t1, 2)] ^
|
---|
1196 | Te[2][GETBYTE(t2, 1)] ^
|
---|
1197 | Te[3][GETBYTE(t3, 0)] ^
|
---|
1198 | rk[0];
|
---|
1199 | s1 =
|
---|
1200 | Te[0][GETBYTE(t1, 3)] ^
|
---|
1201 | Te[1][GETBYTE(t2, 2)] ^
|
---|
1202 | Te[2][GETBYTE(t3, 1)] ^
|
---|
1203 | Te[3][GETBYTE(t0, 0)] ^
|
---|
1204 | rk[1];
|
---|
1205 | s2 =
|
---|
1206 | Te[0][GETBYTE(t2, 3)] ^
|
---|
1207 | Te[1][GETBYTE(t3, 2)] ^
|
---|
1208 | Te[2][GETBYTE(t0, 1)] ^
|
---|
1209 | Te[3][GETBYTE(t1, 0)] ^
|
---|
1210 | rk[2];
|
---|
1211 | s3 =
|
---|
1212 | Te[0][GETBYTE(t3, 3)] ^
|
---|
1213 | Te[1][GETBYTE(t0, 2)] ^
|
---|
1214 | Te[2][GETBYTE(t1, 1)] ^
|
---|
1215 | Te[3][GETBYTE(t2, 0)] ^
|
---|
1216 | rk[3];
|
---|
1217 | }
|
---|
1218 |
|
---|
1219 | /*
|
---|
1220 | * apply last round and
|
---|
1221 | * map cipher state to byte array block:
|
---|
1222 | */
|
---|
1223 |
|
---|
1224 | s0 =
|
---|
1225 | (Te[4][GETBYTE(t0, 3)] & 0xff000000) ^
|
---|
1226 | (Te[4][GETBYTE(t1, 2)] & 0x00ff0000) ^
|
---|
1227 | (Te[4][GETBYTE(t2, 1)] & 0x0000ff00) ^
|
---|
1228 | (Te[4][GETBYTE(t3, 0)] & 0x000000ff) ^
|
---|
1229 | rk[0];
|
---|
1230 | s1 =
|
---|
1231 | (Te[4][GETBYTE(t1, 3)] & 0xff000000) ^
|
---|
1232 | (Te[4][GETBYTE(t2, 2)] & 0x00ff0000) ^
|
---|
1233 | (Te[4][GETBYTE(t3, 1)] & 0x0000ff00) ^
|
---|
1234 | (Te[4][GETBYTE(t0, 0)] & 0x000000ff) ^
|
---|
1235 | rk[1];
|
---|
1236 | s2 =
|
---|
1237 | (Te[4][GETBYTE(t2, 3)] & 0xff000000) ^
|
---|
1238 | (Te[4][GETBYTE(t3, 2)] & 0x00ff0000) ^
|
---|
1239 | (Te[4][GETBYTE(t0, 1)] & 0x0000ff00) ^
|
---|
1240 | (Te[4][GETBYTE(t1, 0)] & 0x000000ff) ^
|
---|
1241 | rk[2];
|
---|
1242 | s3 =
|
---|
1243 | (Te[4][GETBYTE(t3, 3)] & 0xff000000) ^
|
---|
1244 | (Te[4][GETBYTE(t0, 2)] & 0x00ff0000) ^
|
---|
1245 | (Te[4][GETBYTE(t1, 1)] & 0x0000ff00) ^
|
---|
1246 | (Te[4][GETBYTE(t2, 0)] & 0x000000ff) ^
|
---|
1247 | rk[3];
|
---|
1248 |
|
---|
1249 | /* write out */
|
---|
1250 | #ifdef LITTLE_ENDIAN_ORDER
|
---|
1251 | s0 = ByteReverseWord32(s0);
|
---|
1252 | s1 = ByteReverseWord32(s1);
|
---|
1253 | s2 = ByteReverseWord32(s2);
|
---|
1254 | s3 = ByteReverseWord32(s3);
|
---|
1255 | #endif
|
---|
1256 |
|
---|
1257 | XMEMCPY(outBlock, &s0, sizeof(s0));
|
---|
1258 | XMEMCPY(outBlock + sizeof(s0), &s1, sizeof(s1));
|
---|
1259 | XMEMCPY(outBlock + 2 * sizeof(s0), &s2, sizeof(s2));
|
---|
1260 | XMEMCPY(outBlock + 3 * sizeof(s0), &s3, sizeof(s3));
|
---|
1261 | }
|
---|
1262 |
|
---|
1263 | static void wc_AesDecrypt(Aes* aes, const byte* inBlock, byte* outBlock)
|
---|
1264 | {
|
---|
1265 | word32 s0, s1, s2, s3;
|
---|
1266 | word32 t0, t1, t2, t3;
|
---|
1267 | word32 r = aes->rounds >> 1;
|
---|
1268 |
|
---|
1269 | const word32* rk = aes->key;
|
---|
1270 | if (r > 7 || r == 0) {
|
---|
1271 | WOLFSSL_MSG("AesDecrypt encountered improper key, set it up");
|
---|
1272 | return; /* stop instead of segfaulting, set up your keys! */
|
---|
1273 | }
|
---|
1274 | #ifdef WOLFSSL_AESNI
|
---|
1275 | if (haveAESNI && aes->use_aesni) {
|
---|
1276 | #ifdef DEBUG_AESNI
|
---|
1277 | printf("about to aes decrypt\n");
|
---|
1278 | printf("in = %p\n", inBlock);
|
---|
1279 | printf("out = %p\n", outBlock);
|
---|
1280 | printf("aes->key = %p\n", aes->key);
|
---|
1281 | printf("aes->rounds = %d\n", aes->rounds);
|
---|
1282 | printf("sz = %d\n", AES_BLOCK_SIZE);
|
---|
1283 | #endif
|
---|
1284 |
|
---|
1285 | /* if input and output same will overwrite input iv */
|
---|
1286 | XMEMCPY(aes->tmp, inBlock, AES_BLOCK_SIZE);
|
---|
1287 | AES_ECB_decrypt(inBlock, outBlock, AES_BLOCK_SIZE, (byte*)aes->key,
|
---|
1288 | aes->rounds);
|
---|
1289 | return;
|
---|
1290 | }
|
---|
1291 | else {
|
---|
1292 | #ifdef DEBUG_AESNI
|
---|
1293 | printf("Skipping AES-NI\n");
|
---|
1294 | #endif
|
---|
1295 | }
|
---|
1296 | #endif
|
---|
1297 |
|
---|
1298 | /*
|
---|
1299 | * map byte array block to cipher state
|
---|
1300 | * and add initial round key:
|
---|
1301 | */
|
---|
1302 | XMEMCPY(&s0, inBlock, sizeof(s0));
|
---|
1303 | XMEMCPY(&s1, inBlock + sizeof(s0), sizeof(s1));
|
---|
1304 | XMEMCPY(&s2, inBlock + 2 * sizeof(s0), sizeof(s2));
|
---|
1305 | XMEMCPY(&s3, inBlock + 3 * sizeof(s0), sizeof(s3));
|
---|
1306 |
|
---|
1307 | #ifdef LITTLE_ENDIAN_ORDER
|
---|
1308 | s0 = ByteReverseWord32(s0);
|
---|
1309 | s1 = ByteReverseWord32(s1);
|
---|
1310 | s2 = ByteReverseWord32(s2);
|
---|
1311 | s3 = ByteReverseWord32(s3);
|
---|
1312 | #endif
|
---|
1313 |
|
---|
1314 | s0 ^= rk[0];
|
---|
1315 | s1 ^= rk[1];
|
---|
1316 | s2 ^= rk[2];
|
---|
1317 | s3 ^= rk[3];
|
---|
1318 |
|
---|
1319 | /*
|
---|
1320 | * Nr - 1 full rounds:
|
---|
1321 | */
|
---|
1322 |
|
---|
1323 | for (;;) {
|
---|
1324 | t0 =
|
---|
1325 | Td[0][GETBYTE(s0, 3)] ^
|
---|
1326 | Td[1][GETBYTE(s3, 2)] ^
|
---|
1327 | Td[2][GETBYTE(s2, 1)] ^
|
---|
1328 | Td[3][GETBYTE(s1, 0)] ^
|
---|
1329 | rk[4];
|
---|
1330 | t1 =
|
---|
1331 | Td[0][GETBYTE(s1, 3)] ^
|
---|
1332 | Td[1][GETBYTE(s0, 2)] ^
|
---|
1333 | Td[2][GETBYTE(s3, 1)] ^
|
---|
1334 | Td[3][GETBYTE(s2, 0)] ^
|
---|
1335 | rk[5];
|
---|
1336 | t2 =
|
---|
1337 | Td[0][GETBYTE(s2, 3)] ^
|
---|
1338 | Td[1][GETBYTE(s1, 2)] ^
|
---|
1339 | Td[2][GETBYTE(s0, 1)] ^
|
---|
1340 | Td[3][GETBYTE(s3, 0)] ^
|
---|
1341 | rk[6];
|
---|
1342 | t3 =
|
---|
1343 | Td[0][GETBYTE(s3, 3)] ^
|
---|
1344 | Td[1][GETBYTE(s2, 2)] ^
|
---|
1345 | Td[2][GETBYTE(s1, 1)] ^
|
---|
1346 | Td[3][GETBYTE(s0, 0)] ^
|
---|
1347 | rk[7];
|
---|
1348 |
|
---|
1349 | rk += 8;
|
---|
1350 | if (--r == 0) {
|
---|
1351 | break;
|
---|
1352 | }
|
---|
1353 |
|
---|
1354 | s0 =
|
---|
1355 | Td[0][GETBYTE(t0, 3)] ^
|
---|
1356 | Td[1][GETBYTE(t3, 2)] ^
|
---|
1357 | Td[2][GETBYTE(t2, 1)] ^
|
---|
1358 | Td[3][GETBYTE(t1, 0)] ^
|
---|
1359 | rk[0];
|
---|
1360 | s1 =
|
---|
1361 | Td[0][GETBYTE(t1, 3)] ^
|
---|
1362 | Td[1][GETBYTE(t0, 2)] ^
|
---|
1363 | Td[2][GETBYTE(t3, 1)] ^
|
---|
1364 | Td[3][GETBYTE(t2, 0)] ^
|
---|
1365 | rk[1];
|
---|
1366 | s2 =
|
---|
1367 | Td[0][GETBYTE(t2, 3)] ^
|
---|
1368 | Td[1][GETBYTE(t1, 2)] ^
|
---|
1369 | Td[2][GETBYTE(t0, 1)] ^
|
---|
1370 | Td[3][GETBYTE(t3, 0)] ^
|
---|
1371 | rk[2];
|
---|
1372 | s3 =
|
---|
1373 | Td[0][GETBYTE(t3, 3)] ^
|
---|
1374 | Td[1][GETBYTE(t2, 2)] ^
|
---|
1375 | Td[2][GETBYTE(t1, 1)] ^
|
---|
1376 | Td[3][GETBYTE(t0, 0)] ^
|
---|
1377 | rk[3];
|
---|
1378 | }
|
---|
1379 | /*
|
---|
1380 | * apply last round and
|
---|
1381 | * map cipher state to byte array block:
|
---|
1382 | */
|
---|
1383 | s0 =
|
---|
1384 | (Td[4][GETBYTE(t0, 3)] & 0xff000000) ^
|
---|
1385 | (Td[4][GETBYTE(t3, 2)] & 0x00ff0000) ^
|
---|
1386 | (Td[4][GETBYTE(t2, 1)] & 0x0000ff00) ^
|
---|
1387 | (Td[4][GETBYTE(t1, 0)] & 0x000000ff) ^
|
---|
1388 | rk[0];
|
---|
1389 | s1 =
|
---|
1390 | (Td[4][GETBYTE(t1, 3)] & 0xff000000) ^
|
---|
1391 | (Td[4][GETBYTE(t0, 2)] & 0x00ff0000) ^
|
---|
1392 | (Td[4][GETBYTE(t3, 1)] & 0x0000ff00) ^
|
---|
1393 | (Td[4][GETBYTE(t2, 0)] & 0x000000ff) ^
|
---|
1394 | rk[1];
|
---|
1395 | s2 =
|
---|
1396 | (Td[4][GETBYTE(t2, 3)] & 0xff000000) ^
|
---|
1397 | (Td[4][GETBYTE(t1, 2)] & 0x00ff0000) ^
|
---|
1398 | (Td[4][GETBYTE(t0, 1)] & 0x0000ff00) ^
|
---|
1399 | (Td[4][GETBYTE(t3, 0)] & 0x000000ff) ^
|
---|
1400 | rk[2];
|
---|
1401 | s3 =
|
---|
1402 | (Td[4][GETBYTE(t3, 3)] & 0xff000000) ^
|
---|
1403 | (Td[4][GETBYTE(t2, 2)] & 0x00ff0000) ^
|
---|
1404 | (Td[4][GETBYTE(t1, 1)] & 0x0000ff00) ^
|
---|
1405 | (Td[4][GETBYTE(t0, 0)] & 0x000000ff) ^
|
---|
1406 | rk[3];
|
---|
1407 |
|
---|
1408 | /* write out */
|
---|
1409 | #ifdef LITTLE_ENDIAN_ORDER
|
---|
1410 | s0 = ByteReverseWord32(s0);
|
---|
1411 | s1 = ByteReverseWord32(s1);
|
---|
1412 | s2 = ByteReverseWord32(s2);
|
---|
1413 | s3 = ByteReverseWord32(s3);
|
---|
1414 | #endif
|
---|
1415 |
|
---|
1416 | XMEMCPY(outBlock, &s0, sizeof(s0));
|
---|
1417 | XMEMCPY(outBlock + sizeof(s0), &s1, sizeof(s1));
|
---|
1418 | XMEMCPY(outBlock + 2 * sizeof(s0), &s2, sizeof(s2));
|
---|
1419 | XMEMCPY(outBlock + 3 * sizeof(s0), &s3, sizeof(s3));
|
---|
1420 | }
|
---|
1421 |
|
---|
1422 | #endif /* NEED_AES_TABLES */
|
---|
1423 |
|
---|
1424 |
|
---|
1425 | /* wc_AesSetKey */
|
---|
1426 | #ifdef STM32F2_CRYPTO
|
---|
1427 | int wc_AesSetKey(Aes* aes, const byte* userKey, word32 keylen, const byte* iv,
|
---|
1428 | int dir)
|
---|
1429 | {
|
---|
1430 | word32 *rk = aes->key;
|
---|
1431 |
|
---|
1432 | if (!((keylen == 16) || (keylen == 24) || (keylen == 32)))
|
---|
1433 | return BAD_FUNC_ARG;
|
---|
1434 |
|
---|
1435 | aes->rounds = keylen/4 + 6;
|
---|
1436 | XMEMCPY(rk, userKey, keylen);
|
---|
1437 | ByteReverseWords(rk, rk, keylen);
|
---|
1438 |
|
---|
1439 | return wc_AesSetIV(aes, iv);
|
---|
1440 | }
|
---|
1441 |
|
---|
1442 | int wc_AesSetKeyDirect(Aes* aes, const byte* userKey, word32 keylen,
|
---|
1443 | const byte* iv, int dir)
|
---|
1444 | {
|
---|
1445 | return wc_AesSetKey(aes, userKey, keylen, iv, dir);
|
---|
1446 | }
|
---|
1447 |
|
---|
1448 | #elif defined(HAVE_COLDFIRE_SEC)
|
---|
1449 | #if defined (HAVE_THREADX)
|
---|
1450 | #include "memory_pools.h"
|
---|
1451 | extern TX_BYTE_POOL mp_ncached; /* Non Cached memory pool */
|
---|
1452 | #endif
|
---|
1453 |
|
---|
1454 | #define AES_BUFFER_SIZE (AES_BLOCK_SIZE * 64)
|
---|
1455 | static unsigned char *AESBuffIn = NULL;
|
---|
1456 | static unsigned char *AESBuffOut = NULL;
|
---|
1457 | static byte *secReg;
|
---|
1458 | static byte *secKey;
|
---|
1459 | static volatile SECdescriptorType *secDesc;
|
---|
1460 |
|
---|
1461 | static wolfSSL_Mutex Mutex_AesSEC;
|
---|
1462 |
|
---|
1463 | #define SEC_DESC_AES_CBC_ENCRYPT 0x60300010
|
---|
1464 | #define SEC_DESC_AES_CBC_DECRYPT 0x60200010
|
---|
1465 |
|
---|
1466 | extern volatile unsigned char __MBAR[];
|
---|
1467 |
|
---|
1468 | int wc_AesSetKey(Aes* aes, const byte* userKey, word32 keylen, const byte* iv,
|
---|
1469 | int dir)
|
---|
1470 | {
|
---|
1471 | if (AESBuffIn == NULL) {
|
---|
1472 | #if defined (HAVE_THREADX)
|
---|
1473 | int s1, s2, s3, s4, s5 ;
|
---|
1474 | s5 = tx_byte_allocate(&mp_ncached,(void *)&secDesc,
|
---|
1475 | sizeof(SECdescriptorType), TX_NO_WAIT);
|
---|
1476 | s1 = tx_byte_allocate(&mp_ncached, (void *)&AESBuffIn,
|
---|
1477 | AES_BUFFER_SIZE, TX_NO_WAIT);
|
---|
1478 | s2 = tx_byte_allocate(&mp_ncached, (void *)&AESBuffOut,
|
---|
1479 | AES_BUFFER_SIZE, TX_NO_WAIT);
|
---|
1480 | s3 = tx_byte_allocate(&mp_ncached, (void *)&secKey,
|
---|
1481 | AES_BLOCK_SIZE*2, TX_NO_WAIT);
|
---|
1482 | s4 = tx_byte_allocate(&mp_ncached, (void *)&secReg,
|
---|
1483 | AES_BLOCK_SIZE, TX_NO_WAIT);
|
---|
1484 |
|
---|
1485 | if(s1 || s2 || s3 || s4 || s5)
|
---|
1486 | return BAD_FUNC_ARG;
|
---|
1487 | #else
|
---|
1488 | #warning "Allocate non-Cache buffers"
|
---|
1489 | #endif
|
---|
1490 |
|
---|
1491 | InitMutex(&Mutex_AesSEC);
|
---|
1492 | }
|
---|
1493 |
|
---|
1494 | if (!((keylen == 16) || (keylen == 24) || (keylen == 32)))
|
---|
1495 | return BAD_FUNC_ARG;
|
---|
1496 |
|
---|
1497 | if (aes == NULL)
|
---|
1498 | return BAD_FUNC_ARG;
|
---|
1499 |
|
---|
1500 | aes->rounds = keylen/4 + 6;
|
---|
1501 | XMEMCPY(aes->key, userKey, keylen);
|
---|
1502 |
|
---|
1503 | if (iv)
|
---|
1504 | XMEMCPY(aes->reg, iv, AES_BLOCK_SIZE);
|
---|
1505 |
|
---|
1506 | return 0;
|
---|
1507 | }
|
---|
1508 | #elif defined(FREESCALE_MMCAU)
|
---|
1509 | int wc_AesSetKey(Aes* aes, const byte* userKey, word32 keylen, const byte* iv,
|
---|
1510 | int dir)
|
---|
1511 | {
|
---|
1512 | int ret;
|
---|
1513 | byte *rk = (byte*)aes->key;
|
---|
1514 |
|
---|
1515 | if (!((keylen == 16) || (keylen == 24) || (keylen == 32)))
|
---|
1516 | return BAD_FUNC_ARG;
|
---|
1517 |
|
---|
1518 | if (rk == NULL)
|
---|
1519 | return BAD_FUNC_ARG;
|
---|
1520 |
|
---|
1521 | aes->rounds = keylen/4 + 6;
|
---|
1522 |
|
---|
1523 | ret = wolfSSL_CryptHwMutexLock();
|
---|
1524 | if(ret == 0) {
|
---|
1525 | cau_aes_set_key(userKey, keylen*8, rk);
|
---|
1526 | wolfSSL_CryptHwMutexUnLock();
|
---|
1527 |
|
---|
1528 | ret = wc_AesSetIV(aes, iv);
|
---|
1529 | }
|
---|
1530 |
|
---|
1531 | return ret;
|
---|
1532 | }
|
---|
1533 |
|
---|
1534 | int wc_AesSetKeyDirect(Aes* aes, const byte* userKey, word32 keylen,
|
---|
1535 | const byte* iv, int dir)
|
---|
1536 | {
|
---|
1537 | return wc_AesSetKey(aes, userKey, keylen, iv, dir);
|
---|
1538 | }
|
---|
1539 | #else
|
---|
1540 | static int wc_AesSetKeyLocal(Aes* aes, const byte* userKey, word32 keylen,
|
---|
1541 | const byte* iv, int dir)
|
---|
1542 | {
|
---|
1543 | word32 temp, *rk = aes->key;
|
---|
1544 | unsigned int i = 0;
|
---|
1545 |
|
---|
1546 | #ifdef WOLFSSL_AESNI
|
---|
1547 | aes->use_aesni = 0;
|
---|
1548 | #endif /* WOLFSSL_AESNI */
|
---|
1549 | #ifdef WOLFSSL_AES_COUNTER
|
---|
1550 | aes->left = 0;
|
---|
1551 | #endif /* WOLFSSL_AES_COUNTER */
|
---|
1552 |
|
---|
1553 | aes->rounds = keylen/4 + 6;
|
---|
1554 |
|
---|
1555 | XMEMCPY(rk, userKey, keylen);
|
---|
1556 | #ifdef LITTLE_ENDIAN_ORDER
|
---|
1557 | ByteReverseWords(rk, rk, keylen);
|
---|
1558 | #endif
|
---|
1559 |
|
---|
1560 | #ifdef WOLFSSL_PIC32MZ_CRYPT
|
---|
1561 | {
|
---|
1562 | word32 *akey1 = aes->key_ce;
|
---|
1563 | word32 *areg = aes->iv_ce ;
|
---|
1564 | aes->keylen = keylen ;
|
---|
1565 | XMEMCPY(akey1, userKey, keylen);
|
---|
1566 | if (iv)
|
---|
1567 | XMEMCPY(areg, iv, AES_BLOCK_SIZE);
|
---|
1568 | else
|
---|
1569 | XMEMSET(areg, 0, AES_BLOCK_SIZE);
|
---|
1570 | }
|
---|
1571 | #endif
|
---|
1572 |
|
---|
1573 | switch(keylen)
|
---|
1574 | {
|
---|
1575 | case 16:
|
---|
1576 | while (1)
|
---|
1577 | {
|
---|
1578 | temp = rk[3];
|
---|
1579 | rk[4] = rk[0] ^
|
---|
1580 | (Te[4][GETBYTE(temp, 2)] & 0xff000000) ^
|
---|
1581 | (Te[4][GETBYTE(temp, 1)] & 0x00ff0000) ^
|
---|
1582 | (Te[4][GETBYTE(temp, 0)] & 0x0000ff00) ^
|
---|
1583 | (Te[4][GETBYTE(temp, 3)] & 0x000000ff) ^
|
---|
1584 | rcon[i];
|
---|
1585 | rk[5] = rk[1] ^ rk[4];
|
---|
1586 | rk[6] = rk[2] ^ rk[5];
|
---|
1587 | rk[7] = rk[3] ^ rk[6];
|
---|
1588 | if (++i == 10)
|
---|
1589 | break;
|
---|
1590 | rk += 4;
|
---|
1591 | }
|
---|
1592 | break;
|
---|
1593 |
|
---|
1594 | case 24:
|
---|
1595 | /* for (;;) here triggers a bug in VC60 SP4 w/ Pro Pack */
|
---|
1596 | while (1)
|
---|
1597 | {
|
---|
1598 | temp = rk[ 5];
|
---|
1599 | rk[ 6] = rk[ 0] ^
|
---|
1600 | (Te[4][GETBYTE(temp, 2)] & 0xff000000) ^
|
---|
1601 | (Te[4][GETBYTE(temp, 1)] & 0x00ff0000) ^
|
---|
1602 | (Te[4][GETBYTE(temp, 0)] & 0x0000ff00) ^
|
---|
1603 | (Te[4][GETBYTE(temp, 3)] & 0x000000ff) ^
|
---|
1604 | rcon[i];
|
---|
1605 | rk[ 7] = rk[ 1] ^ rk[ 6];
|
---|
1606 | rk[ 8] = rk[ 2] ^ rk[ 7];
|
---|
1607 | rk[ 9] = rk[ 3] ^ rk[ 8];
|
---|
1608 | if (++i == 8)
|
---|
1609 | break;
|
---|
1610 | rk[10] = rk[ 4] ^ rk[ 9];
|
---|
1611 | rk[11] = rk[ 5] ^ rk[10];
|
---|
1612 | rk += 6;
|
---|
1613 | }
|
---|
1614 | break;
|
---|
1615 |
|
---|
1616 | case 32:
|
---|
1617 | while (1)
|
---|
1618 | {
|
---|
1619 | temp = rk[ 7];
|
---|
1620 | rk[ 8] = rk[ 0] ^
|
---|
1621 | (Te[4][GETBYTE(temp, 2)] & 0xff000000) ^
|
---|
1622 | (Te[4][GETBYTE(temp, 1)] & 0x00ff0000) ^
|
---|
1623 | (Te[4][GETBYTE(temp, 0)] & 0x0000ff00) ^
|
---|
1624 | (Te[4][GETBYTE(temp, 3)] & 0x000000ff) ^
|
---|
1625 | rcon[i];
|
---|
1626 | rk[ 9] = rk[ 1] ^ rk[ 8];
|
---|
1627 | rk[10] = rk[ 2] ^ rk[ 9];
|
---|
1628 | rk[11] = rk[ 3] ^ rk[10];
|
---|
1629 | if (++i == 7)
|
---|
1630 | break;
|
---|
1631 | temp = rk[11];
|
---|
1632 | rk[12] = rk[ 4] ^
|
---|
1633 | (Te[4][GETBYTE(temp, 3)] & 0xff000000) ^
|
---|
1634 | (Te[4][GETBYTE(temp, 2)] & 0x00ff0000) ^
|
---|
1635 | (Te[4][GETBYTE(temp, 1)] & 0x0000ff00) ^
|
---|
1636 | (Te[4][GETBYTE(temp, 0)] & 0x000000ff);
|
---|
1637 | rk[13] = rk[ 5] ^ rk[12];
|
---|
1638 | rk[14] = rk[ 6] ^ rk[13];
|
---|
1639 | rk[15] = rk[ 7] ^ rk[14];
|
---|
1640 |
|
---|
1641 | rk += 8;
|
---|
1642 | }
|
---|
1643 | break;
|
---|
1644 |
|
---|
1645 | default:
|
---|
1646 | return BAD_FUNC_ARG;
|
---|
1647 | }
|
---|
1648 |
|
---|
1649 | if (dir == AES_DECRYPTION)
|
---|
1650 | {
|
---|
1651 | unsigned int j;
|
---|
1652 | rk = aes->key;
|
---|
1653 |
|
---|
1654 | /* invert the order of the round keys: */
|
---|
1655 | for (i = 0, j = 4* aes->rounds; i < j; i += 4, j -= 4) {
|
---|
1656 | temp = rk[i ]; rk[i ] = rk[j ]; rk[j ] = temp;
|
---|
1657 | temp = rk[i + 1]; rk[i + 1] = rk[j + 1]; rk[j + 1] = temp;
|
---|
1658 | temp = rk[i + 2]; rk[i + 2] = rk[j + 2]; rk[j + 2] = temp;
|
---|
1659 | temp = rk[i + 3]; rk[i + 3] = rk[j + 3]; rk[j + 3] = temp;
|
---|
1660 | }
|
---|
1661 | /* apply the inverse MixColumn transform to all round keys but the
|
---|
1662 | first and the last: */
|
---|
1663 | for (i = 1; i < aes->rounds; i++) {
|
---|
1664 | rk += 4;
|
---|
1665 | rk[0] =
|
---|
1666 | Td[0][Te[4][GETBYTE(rk[0], 3)] & 0xff] ^
|
---|
1667 | Td[1][Te[4][GETBYTE(rk[0], 2)] & 0xff] ^
|
---|
1668 | Td[2][Te[4][GETBYTE(rk[0], 1)] & 0xff] ^
|
---|
1669 | Td[3][Te[4][GETBYTE(rk[0], 0)] & 0xff];
|
---|
1670 | rk[1] =
|
---|
1671 | Td[0][Te[4][GETBYTE(rk[1], 3)] & 0xff] ^
|
---|
1672 | Td[1][Te[4][GETBYTE(rk[1], 2)] & 0xff] ^
|
---|
1673 | Td[2][Te[4][GETBYTE(rk[1], 1)] & 0xff] ^
|
---|
1674 | Td[3][Te[4][GETBYTE(rk[1], 0)] & 0xff];
|
---|
1675 | rk[2] =
|
---|
1676 | Td[0][Te[4][GETBYTE(rk[2], 3)] & 0xff] ^
|
---|
1677 | Td[1][Te[4][GETBYTE(rk[2], 2)] & 0xff] ^
|
---|
1678 | Td[2][Te[4][GETBYTE(rk[2], 1)] & 0xff] ^
|
---|
1679 | Td[3][Te[4][GETBYTE(rk[2], 0)] & 0xff];
|
---|
1680 | rk[3] =
|
---|
1681 | Td[0][Te[4][GETBYTE(rk[3], 3)] & 0xff] ^
|
---|
1682 | Td[1][Te[4][GETBYTE(rk[3], 2)] & 0xff] ^
|
---|
1683 | Td[2][Te[4][GETBYTE(rk[3], 1)] & 0xff] ^
|
---|
1684 | Td[3][Te[4][GETBYTE(rk[3], 0)] & 0xff];
|
---|
1685 | }
|
---|
1686 | }
|
---|
1687 |
|
---|
1688 | return wc_AesSetIV(aes, iv);
|
---|
1689 | }
|
---|
1690 |
|
---|
1691 | int wc_AesSetKey(Aes* aes, const byte* userKey, word32 keylen, const byte* iv,
|
---|
1692 | int dir)
|
---|
1693 | {
|
---|
1694 |
|
---|
1695 | if (!((keylen == 16) || (keylen == 24) || (keylen == 32)))
|
---|
1696 | return BAD_FUNC_ARG;
|
---|
1697 |
|
---|
1698 | #ifdef HAVE_CAVIUM
|
---|
1699 | if (aes->magic == WOLFSSL_AES_CAVIUM_MAGIC)
|
---|
1700 | return wc_AesCaviumSetKey(aes, userKey, keylen, iv);
|
---|
1701 | #endif
|
---|
1702 |
|
---|
1703 | #ifdef WOLFSSL_AESNI
|
---|
1704 | if (checkAESNI == 0) {
|
---|
1705 | haveAESNI = Check_CPU_support_AES();
|
---|
1706 | checkAESNI = 1;
|
---|
1707 | }
|
---|
1708 | if (haveAESNI) {
|
---|
1709 | aes->use_aesni = 1;
|
---|
1710 | if (iv)
|
---|
1711 | XMEMCPY(aes->reg, iv, AES_BLOCK_SIZE);
|
---|
1712 | if (dir == AES_ENCRYPTION)
|
---|
1713 | return AES_set_encrypt_key(userKey, keylen * 8, aes);
|
---|
1714 | else
|
---|
1715 | return AES_set_decrypt_key(userKey, keylen * 8, aes);
|
---|
1716 | }
|
---|
1717 | #endif /* WOLFSSL_AESNI */
|
---|
1718 |
|
---|
1719 | return wc_AesSetKeyLocal(aes, userKey, keylen, iv, dir);
|
---|
1720 | }
|
---|
1721 |
|
---|
1722 | #if defined(WOLFSSL_AES_DIRECT) || defined(WOLFSSL_AES_COUNTER)
|
---|
1723 |
|
---|
1724 | /* AES-CTR and AES-DIRECT need to use this for key setup, no aesni yet */
|
---|
1725 | int wc_AesSetKeyDirect(Aes* aes, const byte* userKey, word32 keylen,
|
---|
1726 | const byte* iv, int dir)
|
---|
1727 | {
|
---|
1728 | return wc_AesSetKeyLocal(aes, userKey, keylen, iv, dir);
|
---|
1729 | }
|
---|
1730 |
|
---|
1731 | #endif /* WOLFSSL_AES_DIRECT || WOLFSSL_AES_COUNTER */
|
---|
1732 | #endif /* STM32F2_CRYPTO, wc_AesSetKey block */
|
---|
1733 |
|
---|
1734 |
|
---|
1735 | /* wc_AesSetIV is shared between software and hardware */
|
---|
1736 | int wc_AesSetIV(Aes* aes, const byte* iv)
|
---|
1737 | {
|
---|
1738 | if (aes == NULL)
|
---|
1739 | return BAD_FUNC_ARG;
|
---|
1740 |
|
---|
1741 | if (iv)
|
---|
1742 | XMEMCPY(aes->reg, iv, AES_BLOCK_SIZE);
|
---|
1743 | else
|
---|
1744 | XMEMSET(aes->reg, 0, AES_BLOCK_SIZE);
|
---|
1745 |
|
---|
1746 | return 0;
|
---|
1747 | }
|
---|
1748 |
|
---|
1749 |
|
---|
1750 |
|
---|
1751 |
|
---|
1752 | /* AES-DIRECT */
|
---|
1753 | #if defined(WOLFSSL_AES_DIRECT)
|
---|
1754 | #if defined(STM32F2_CRYPTO)
|
---|
1755 | #error "STM32F2 crypto doesn't yet support AES direct"
|
---|
1756 |
|
---|
1757 | #elif defined(HAVE_COLDFIRE_SEC)
|
---|
1758 | #error "Coldfire SEC doesn't yet support AES direct"
|
---|
1759 |
|
---|
1760 | #elif defined(WOLFSSL_PIC32MZ_CRYPT)
|
---|
1761 | #error "PIC32MZ doesn't yet support AES direct"
|
---|
1762 |
|
---|
1763 | #else
|
---|
1764 | /* Allow direct access to one block encrypt */
|
---|
1765 | void wc_AesEncryptDirect(Aes* aes, byte* out, const byte* in)
|
---|
1766 | {
|
---|
1767 | wc_AesEncrypt(aes, in, out);
|
---|
1768 | }
|
---|
1769 |
|
---|
1770 | /* Allow direct access to one block decrypt */
|
---|
1771 | void wc_AesDecryptDirect(Aes* aes, byte* out, const byte* in)
|
---|
1772 | {
|
---|
1773 | wc_AesDecrypt(aes, in, out);
|
---|
1774 | }
|
---|
1775 |
|
---|
1776 | #endif /* AES direct block */
|
---|
1777 | #endif /* WOLFSSL_AES_DIRECT */
|
---|
1778 |
|
---|
1779 |
|
---|
1780 | /* AES-CBC */
|
---|
1781 | #ifdef STM32F2_CRYPTO
|
---|
1782 | int wc_AesCbcEncrypt(Aes* aes, byte* out, const byte* in, word32 sz)
|
---|
1783 | {
|
---|
1784 | word32 *enc_key, *iv;
|
---|
1785 | CRYP_InitTypeDef AES_CRYP_InitStructure;
|
---|
1786 | CRYP_KeyInitTypeDef AES_CRYP_KeyInitStructure;
|
---|
1787 | CRYP_IVInitTypeDef AES_CRYP_IVInitStructure;
|
---|
1788 |
|
---|
1789 | enc_key = aes->key;
|
---|
1790 | iv = aes->reg;
|
---|
1791 |
|
---|
1792 | /* crypto structure initialization */
|
---|
1793 | CRYP_KeyStructInit(&AES_CRYP_KeyInitStructure);
|
---|
1794 | CRYP_StructInit(&AES_CRYP_InitStructure);
|
---|
1795 | CRYP_IVStructInit(&AES_CRYP_IVInitStructure);
|
---|
1796 |
|
---|
1797 | /* reset registers to their default values */
|
---|
1798 | CRYP_DeInit();
|
---|
1799 |
|
---|
1800 | /* load key into correct registers */
|
---|
1801 | switch(aes->rounds)
|
---|
1802 | {
|
---|
1803 | case 10: /* 128-bit key */
|
---|
1804 | AES_CRYP_InitStructure.CRYP_KeySize = CRYP_KeySize_128b;
|
---|
1805 | AES_CRYP_KeyInitStructure.CRYP_Key2Left = enc_key[0];
|
---|
1806 | AES_CRYP_KeyInitStructure.CRYP_Key2Right = enc_key[1];
|
---|
1807 | AES_CRYP_KeyInitStructure.CRYP_Key3Left = enc_key[2];
|
---|
1808 | AES_CRYP_KeyInitStructure.CRYP_Key3Right = enc_key[3];
|
---|
1809 | break;
|
---|
1810 |
|
---|
1811 | case 12: /* 192-bit key */
|
---|
1812 | AES_CRYP_InitStructure.CRYP_KeySize = CRYP_KeySize_192b;
|
---|
1813 | AES_CRYP_KeyInitStructure.CRYP_Key1Left = enc_key[0];
|
---|
1814 | AES_CRYP_KeyInitStructure.CRYP_Key1Right = enc_key[1];
|
---|
1815 | AES_CRYP_KeyInitStructure.CRYP_Key2Left = enc_key[2];
|
---|
1816 | AES_CRYP_KeyInitStructure.CRYP_Key2Right = enc_key[3];
|
---|
1817 | AES_CRYP_KeyInitStructure.CRYP_Key3Left = enc_key[4];
|
---|
1818 | AES_CRYP_KeyInitStructure.CRYP_Key3Right = enc_key[5];
|
---|
1819 | break;
|
---|
1820 |
|
---|
1821 | case 14: /* 256-bit key */
|
---|
1822 | AES_CRYP_InitStructure.CRYP_KeySize = CRYP_KeySize_256b;
|
---|
1823 | AES_CRYP_KeyInitStructure.CRYP_Key0Left = enc_key[0];
|
---|
1824 | AES_CRYP_KeyInitStructure.CRYP_Key0Right = enc_key[1];
|
---|
1825 | AES_CRYP_KeyInitStructure.CRYP_Key1Left = enc_key[2];
|
---|
1826 | AES_CRYP_KeyInitStructure.CRYP_Key1Right = enc_key[3];
|
---|
1827 | AES_CRYP_KeyInitStructure.CRYP_Key2Left = enc_key[4];
|
---|
1828 | AES_CRYP_KeyInitStructure.CRYP_Key2Right = enc_key[5];
|
---|
1829 | AES_CRYP_KeyInitStructure.CRYP_Key3Left = enc_key[6];
|
---|
1830 | AES_CRYP_KeyInitStructure.CRYP_Key3Right = enc_key[7];
|
---|
1831 | break;
|
---|
1832 |
|
---|
1833 | default:
|
---|
1834 | break;
|
---|
1835 | }
|
---|
1836 | CRYP_KeyInit(&AES_CRYP_KeyInitStructure);
|
---|
1837 |
|
---|
1838 | /* set iv */
|
---|
1839 | ByteReverseWords(iv, iv, AES_BLOCK_SIZE);
|
---|
1840 | AES_CRYP_IVInitStructure.CRYP_IV0Left = iv[0];
|
---|
1841 | AES_CRYP_IVInitStructure.CRYP_IV0Right = iv[1];
|
---|
1842 | AES_CRYP_IVInitStructure.CRYP_IV1Left = iv[2];
|
---|
1843 | AES_CRYP_IVInitStructure.CRYP_IV1Right = iv[3];
|
---|
1844 | CRYP_IVInit(&AES_CRYP_IVInitStructure);
|
---|
1845 |
|
---|
1846 | /* set direction, mode, and datatype */
|
---|
1847 | AES_CRYP_InitStructure.CRYP_AlgoDir = CRYP_AlgoDir_Encrypt;
|
---|
1848 | AES_CRYP_InitStructure.CRYP_AlgoMode = CRYP_AlgoMode_AES_CBC;
|
---|
1849 | AES_CRYP_InitStructure.CRYP_DataType = CRYP_DataType_8b;
|
---|
1850 | CRYP_Init(&AES_CRYP_InitStructure);
|
---|
1851 |
|
---|
1852 | /* enable crypto processor */
|
---|
1853 | CRYP_Cmd(ENABLE);
|
---|
1854 |
|
---|
1855 | while (sz > 0)
|
---|
1856 | {
|
---|
1857 | /* flush IN/OUT FIFOs */
|
---|
1858 | CRYP_FIFOFlush();
|
---|
1859 |
|
---|
1860 | CRYP_DataIn(*(uint32_t*)&in[0]);
|
---|
1861 | CRYP_DataIn(*(uint32_t*)&in[4]);
|
---|
1862 | CRYP_DataIn(*(uint32_t*)&in[8]);
|
---|
1863 | CRYP_DataIn(*(uint32_t*)&in[12]);
|
---|
1864 |
|
---|
1865 | /* wait until the complete message has been processed */
|
---|
1866 | while(CRYP_GetFlagStatus(CRYP_FLAG_BUSY) != RESET) {}
|
---|
1867 |
|
---|
1868 | *(uint32_t*)&out[0] = CRYP_DataOut();
|
---|
1869 | *(uint32_t*)&out[4] = CRYP_DataOut();
|
---|
1870 | *(uint32_t*)&out[8] = CRYP_DataOut();
|
---|
1871 | *(uint32_t*)&out[12] = CRYP_DataOut();
|
---|
1872 |
|
---|
1873 | /* store iv for next call */
|
---|
1874 | XMEMCPY(aes->reg, out + sz - AES_BLOCK_SIZE, AES_BLOCK_SIZE);
|
---|
1875 |
|
---|
1876 | sz -= 16;
|
---|
1877 | in += 16;
|
---|
1878 | out += 16;
|
---|
1879 | }
|
---|
1880 |
|
---|
1881 | /* disable crypto processor */
|
---|
1882 | CRYP_Cmd(DISABLE);
|
---|
1883 |
|
---|
1884 | return 0;
|
---|
1885 | }
|
---|
1886 |
|
---|
1887 | int wc_AesCbcDecrypt(Aes* aes, byte* out, const byte* in, word32 sz)
|
---|
1888 | {
|
---|
1889 | word32 *dec_key, *iv;
|
---|
1890 | CRYP_InitTypeDef AES_CRYP_InitStructure;
|
---|
1891 | CRYP_KeyInitTypeDef AES_CRYP_KeyInitStructure;
|
---|
1892 | CRYP_IVInitTypeDef AES_CRYP_IVInitStructure;
|
---|
1893 |
|
---|
1894 | dec_key = aes->key;
|
---|
1895 | iv = aes->reg;
|
---|
1896 |
|
---|
1897 | /* crypto structure initialization */
|
---|
1898 | CRYP_KeyStructInit(&AES_CRYP_KeyInitStructure);
|
---|
1899 | CRYP_StructInit(&AES_CRYP_InitStructure);
|
---|
1900 | CRYP_IVStructInit(&AES_CRYP_IVInitStructure);
|
---|
1901 |
|
---|
1902 | /* if input and output same will overwrite input iv */
|
---|
1903 | XMEMCPY(aes->tmp, in + sz - AES_BLOCK_SIZE, AES_BLOCK_SIZE);
|
---|
1904 |
|
---|
1905 | /* reset registers to their default values */
|
---|
1906 | CRYP_DeInit();
|
---|
1907 |
|
---|
1908 | /* load key into correct registers */
|
---|
1909 | switch(aes->rounds)
|
---|
1910 | {
|
---|
1911 | case 10: /* 128-bit key */
|
---|
1912 | AES_CRYP_InitStructure.CRYP_KeySize = CRYP_KeySize_128b;
|
---|
1913 | AES_CRYP_KeyInitStructure.CRYP_Key2Left = dec_key[0];
|
---|
1914 | AES_CRYP_KeyInitStructure.CRYP_Key2Right = dec_key[1];
|
---|
1915 | AES_CRYP_KeyInitStructure.CRYP_Key3Left = dec_key[2];
|
---|
1916 | AES_CRYP_KeyInitStructure.CRYP_Key3Right = dec_key[3];
|
---|
1917 | break;
|
---|
1918 |
|
---|
1919 | case 12: /* 192-bit key */
|
---|
1920 | AES_CRYP_InitStructure.CRYP_KeySize = CRYP_KeySize_192b;
|
---|
1921 | AES_CRYP_KeyInitStructure.CRYP_Key1Left = dec_key[0];
|
---|
1922 | AES_CRYP_KeyInitStructure.CRYP_Key1Right = dec_key[1];
|
---|
1923 | AES_CRYP_KeyInitStructure.CRYP_Key2Left = dec_key[2];
|
---|
1924 | AES_CRYP_KeyInitStructure.CRYP_Key2Right = dec_key[3];
|
---|
1925 | AES_CRYP_KeyInitStructure.CRYP_Key3Left = dec_key[4];
|
---|
1926 | AES_CRYP_KeyInitStructure.CRYP_Key3Right = dec_key[5];
|
---|
1927 | break;
|
---|
1928 |
|
---|
1929 | case 14: /* 256-bit key */
|
---|
1930 | AES_CRYP_InitStructure.CRYP_KeySize = CRYP_KeySize_256b;
|
---|
1931 | AES_CRYP_KeyInitStructure.CRYP_Key0Left = dec_key[0];
|
---|
1932 | AES_CRYP_KeyInitStructure.CRYP_Key0Right = dec_key[1];
|
---|
1933 | AES_CRYP_KeyInitStructure.CRYP_Key1Left = dec_key[2];
|
---|
1934 | AES_CRYP_KeyInitStructure.CRYP_Key1Right = dec_key[3];
|
---|
1935 | AES_CRYP_KeyInitStructure.CRYP_Key2Left = dec_key[4];
|
---|
1936 | AES_CRYP_KeyInitStructure.CRYP_Key2Right = dec_key[5];
|
---|
1937 | AES_CRYP_KeyInitStructure.CRYP_Key3Left = dec_key[6];
|
---|
1938 | AES_CRYP_KeyInitStructure.CRYP_Key3Right = dec_key[7];
|
---|
1939 | break;
|
---|
1940 |
|
---|
1941 | default:
|
---|
1942 | break;
|
---|
1943 | }
|
---|
1944 |
|
---|
1945 | /* set direction, mode, and datatype for key preparation */
|
---|
1946 | AES_CRYP_InitStructure.CRYP_AlgoDir = CRYP_AlgoDir_Decrypt;
|
---|
1947 | AES_CRYP_InitStructure.CRYP_AlgoMode = CRYP_AlgoMode_AES_Key;
|
---|
1948 | AES_CRYP_InitStructure.CRYP_DataType = CRYP_DataType_32b;
|
---|
1949 | CRYP_Init(&AES_CRYP_InitStructure);
|
---|
1950 | CRYP_KeyInit(&AES_CRYP_KeyInitStructure);
|
---|
1951 |
|
---|
1952 | /* enable crypto processor */
|
---|
1953 | CRYP_Cmd(ENABLE);
|
---|
1954 |
|
---|
1955 | /* wait until key has been prepared */
|
---|
1956 | while(CRYP_GetFlagStatus(CRYP_FLAG_BUSY) != RESET) {}
|
---|
1957 |
|
---|
1958 | /* set direction, mode, and datatype for decryption */
|
---|
1959 | AES_CRYP_InitStructure.CRYP_AlgoDir = CRYP_AlgoDir_Decrypt;
|
---|
1960 | AES_CRYP_InitStructure.CRYP_AlgoMode = CRYP_AlgoMode_AES_CBC;
|
---|
1961 | AES_CRYP_InitStructure.CRYP_DataType = CRYP_DataType_8b;
|
---|
1962 | CRYP_Init(&AES_CRYP_InitStructure);
|
---|
1963 |
|
---|
1964 | /* set iv */
|
---|
1965 | ByteReverseWords(iv, iv, AES_BLOCK_SIZE);
|
---|
1966 |
|
---|
1967 | AES_CRYP_IVInitStructure.CRYP_IV0Left = iv[0];
|
---|
1968 | AES_CRYP_IVInitStructure.CRYP_IV0Right = iv[1];
|
---|
1969 | AES_CRYP_IVInitStructure.CRYP_IV1Left = iv[2];
|
---|
1970 | AES_CRYP_IVInitStructure.CRYP_IV1Right = iv[3];
|
---|
1971 | CRYP_IVInit(&AES_CRYP_IVInitStructure);
|
---|
1972 |
|
---|
1973 | /* enable crypto processor */
|
---|
1974 | CRYP_Cmd(ENABLE);
|
---|
1975 |
|
---|
1976 | while (sz > 0)
|
---|
1977 | {
|
---|
1978 | /* flush IN/OUT FIFOs */
|
---|
1979 | CRYP_FIFOFlush();
|
---|
1980 |
|
---|
1981 | CRYP_DataIn(*(uint32_t*)&in[0]);
|
---|
1982 | CRYP_DataIn(*(uint32_t*)&in[4]);
|
---|
1983 | CRYP_DataIn(*(uint32_t*)&in[8]);
|
---|
1984 | CRYP_DataIn(*(uint32_t*)&in[12]);
|
---|
1985 |
|
---|
1986 | /* wait until the complete message has been processed */
|
---|
1987 | while(CRYP_GetFlagStatus(CRYP_FLAG_BUSY) != RESET) {}
|
---|
1988 |
|
---|
1989 | *(uint32_t*)&out[0] = CRYP_DataOut();
|
---|
1990 | *(uint32_t*)&out[4] = CRYP_DataOut();
|
---|
1991 | *(uint32_t*)&out[8] = CRYP_DataOut();
|
---|
1992 | *(uint32_t*)&out[12] = CRYP_DataOut();
|
---|
1993 |
|
---|
1994 | /* store iv for next call */
|
---|
1995 | XMEMCPY(aes->reg, aes->tmp, AES_BLOCK_SIZE);
|
---|
1996 |
|
---|
1997 | sz -= 16;
|
---|
1998 | in += 16;
|
---|
1999 | out += 16;
|
---|
2000 | }
|
---|
2001 |
|
---|
2002 | /* disable crypto processor */
|
---|
2003 | CRYP_Cmd(DISABLE);
|
---|
2004 |
|
---|
2005 | return 0;
|
---|
2006 | }
|
---|
2007 |
|
---|
2008 | #elif defined(HAVE_COLDFIRE_SEC)
|
---|
2009 | static int wc_AesCbcCrypt(Aes* aes, byte* po, const byte* pi, word32 sz,
|
---|
2010 | word32 descHeader)
|
---|
2011 | {
|
---|
2012 | #ifdef DEBUG_WOLFSSL
|
---|
2013 | int i; int stat1, stat2; int ret;
|
---|
2014 | #endif
|
---|
2015 |
|
---|
2016 | int size;
|
---|
2017 | volatile int v;
|
---|
2018 |
|
---|
2019 | if ((pi == NULL) || (po == NULL))
|
---|
2020 | return BAD_FUNC_ARG; /*wrong pointer*/
|
---|
2021 |
|
---|
2022 | LockMutex(&Mutex_AesSEC);
|
---|
2023 |
|
---|
2024 | /* Set descriptor for SEC */
|
---|
2025 | secDesc->length1 = 0x0;
|
---|
2026 | secDesc->pointer1 = NULL;
|
---|
2027 |
|
---|
2028 | secDesc->length2 = AES_BLOCK_SIZE;
|
---|
2029 | secDesc->pointer2 = (byte *)secReg; /* Initial Vector */
|
---|
2030 |
|
---|
2031 | switch(aes->rounds) {
|
---|
2032 | case 10: secDesc->length3 = 16 ; break ;
|
---|
2033 | case 12: secDesc->length3 = 24 ; break ;
|
---|
2034 | case 14: secDesc->length3 = 32 ; break ;
|
---|
2035 | }
|
---|
2036 | XMEMCPY(secKey, aes->key, secDesc->length3);
|
---|
2037 |
|
---|
2038 | secDesc->pointer3 = (byte *)secKey;
|
---|
2039 | secDesc->pointer4 = AESBuffIn;
|
---|
2040 | secDesc->pointer5 = AESBuffOut;
|
---|
2041 | secDesc->length6 = 0x0;
|
---|
2042 | secDesc->pointer6 = NULL;
|
---|
2043 | secDesc->length7 = 0x0;
|
---|
2044 | secDesc->pointer7 = NULL;
|
---|
2045 | secDesc->nextDescriptorPtr = NULL;
|
---|
2046 |
|
---|
2047 | while (sz) {
|
---|
2048 | secDesc->header = descHeader;
|
---|
2049 | XMEMCPY(secReg, aes->reg, AES_BLOCK_SIZE);
|
---|
2050 | if ((sz % AES_BUFFER_SIZE) == sz) {
|
---|
2051 | size = sz;
|
---|
2052 | sz = 0;
|
---|
2053 | } else {
|
---|
2054 | size = AES_BUFFER_SIZE;
|
---|
2055 | sz -= AES_BUFFER_SIZE;
|
---|
2056 | }
|
---|
2057 | secDesc->length4 = size;
|
---|
2058 | secDesc->length5 = size;
|
---|
2059 |
|
---|
2060 | XMEMCPY(AESBuffIn, pi, size);
|
---|
2061 | if(descHeader == SEC_DESC_AES_CBC_DECRYPT) {
|
---|
2062 | XMEMCPY((void*)aes->tmp, (void*)&(pi[size-AES_BLOCK_SIZE]),
|
---|
2063 | AES_BLOCK_SIZE);
|
---|
2064 | }
|
---|
2065 |
|
---|
2066 | /* Point SEC to the location of the descriptor */
|
---|
2067 | MCF_SEC_FR0 = (uint32)secDesc;
|
---|
2068 | /* Initialize SEC and wait for encryption to complete */
|
---|
2069 | MCF_SEC_CCCR0 = 0x0000001a;
|
---|
2070 | /* poll SISR to determine when channel is complete */
|
---|
2071 | v=0;
|
---|
2072 |
|
---|
2073 | while ((secDesc->header>> 24) != 0xff) v++;
|
---|
2074 |
|
---|
2075 | #ifdef DEBUG_WOLFSSL
|
---|
2076 | ret = MCF_SEC_SISRH;
|
---|
2077 | stat1 = MCF_SEC_AESSR;
|
---|
2078 | stat2 = MCF_SEC_AESISR;
|
---|
2079 | if (ret & 0xe0000000) {
|
---|
2080 | db_printf("Aes_Cbc(i=%d):ISRH=%08x, AESSR=%08x, "
|
---|
2081 | "AESISR=%08x\n", i, ret, stat1, stat2);
|
---|
2082 | }
|
---|
2083 | #endif
|
---|
2084 |
|
---|
2085 | XMEMCPY(po, AESBuffOut, size);
|
---|
2086 |
|
---|
2087 | if (descHeader == SEC_DESC_AES_CBC_ENCRYPT) {
|
---|
2088 | XMEMCPY((void*)aes->reg, (void*)&(po[size-AES_BLOCK_SIZE]),
|
---|
2089 | AES_BLOCK_SIZE);
|
---|
2090 | } else {
|
---|
2091 | XMEMCPY((void*)aes->reg, (void*)aes->tmp, AES_BLOCK_SIZE);
|
---|
2092 | }
|
---|
2093 |
|
---|
2094 | pi += size;
|
---|
2095 | po += size;
|
---|
2096 | }
|
---|
2097 |
|
---|
2098 | UnLockMutex(&Mutex_AesSEC);
|
---|
2099 | return 0;
|
---|
2100 | }
|
---|
2101 |
|
---|
2102 | int wc_AesCbcEncrypt(Aes* aes, byte* po, const byte* pi, word32 sz)
|
---|
2103 | {
|
---|
2104 | return (wc_AesCbcCrypt(aes, po, pi, sz, SEC_DESC_AES_CBC_ENCRYPT));
|
---|
2105 | }
|
---|
2106 |
|
---|
2107 | int wc_AesCbcDecrypt(Aes* aes, byte* po, const byte* pi, word32 sz)
|
---|
2108 | {
|
---|
2109 | return (wc_AesCbcCrypt(aes, po, pi, sz, SEC_DESC_AES_CBC_DECRYPT));
|
---|
2110 | }
|
---|
2111 |
|
---|
2112 | #elif defined(FREESCALE_MMCAU)
|
---|
2113 | int wc_AesCbcEncrypt(Aes* aes, byte* out, const byte* in, word32 sz)
|
---|
2114 | {
|
---|
2115 | int i;
|
---|
2116 | int offset = 0;
|
---|
2117 | int len = sz;
|
---|
2118 |
|
---|
2119 | byte *iv;
|
---|
2120 | byte temp_block[AES_BLOCK_SIZE];
|
---|
2121 |
|
---|
2122 | iv = (byte*)aes->reg;
|
---|
2123 |
|
---|
2124 | if ((wolfssl_word)out % WOLFSSL_MMCAU_ALIGNMENT) {
|
---|
2125 | WOLFSSL_MSG("Bad cau_aes_encrypt alignment");
|
---|
2126 | return BAD_ALIGN_E;
|
---|
2127 | }
|
---|
2128 |
|
---|
2129 | while (len > 0)
|
---|
2130 | {
|
---|
2131 | XMEMCPY(temp_block, in + offset, AES_BLOCK_SIZE);
|
---|
2132 |
|
---|
2133 | /* XOR block with IV for CBC */
|
---|
2134 | for (i = 0; i < AES_BLOCK_SIZE; i++)
|
---|
2135 | temp_block[i] ^= iv[i];
|
---|
2136 |
|
---|
2137 | wc_AesEncrypt(aes, temp_block, out + offset);
|
---|
2138 |
|
---|
2139 | len -= AES_BLOCK_SIZE;
|
---|
2140 | offset += AES_BLOCK_SIZE;
|
---|
2141 |
|
---|
2142 | /* store IV for next block */
|
---|
2143 | XMEMCPY(iv, out + offset - AES_BLOCK_SIZE, AES_BLOCK_SIZE);
|
---|
2144 | }
|
---|
2145 |
|
---|
2146 | return 0;
|
---|
2147 | }
|
---|
2148 |
|
---|
2149 | int wc_AesCbcDecrypt(Aes* aes, byte* out, const byte* in, word32 sz)
|
---|
2150 | {
|
---|
2151 | int i;
|
---|
2152 | int offset = 0;
|
---|
2153 | int len = sz;
|
---|
2154 |
|
---|
2155 | byte* iv;
|
---|
2156 | byte temp_block[AES_BLOCK_SIZE];
|
---|
2157 |
|
---|
2158 | iv = (byte*)aes->reg;
|
---|
2159 |
|
---|
2160 | if ((wolfssl_word)out % WOLFSSL_MMCAU_ALIGNMENT) {
|
---|
2161 | WOLFSSL_MSG("Bad cau_aes_decrypt alignment");
|
---|
2162 | return BAD_ALIGN_E;
|
---|
2163 | }
|
---|
2164 |
|
---|
2165 | while (len > 0)
|
---|
2166 | {
|
---|
2167 | XMEMCPY(temp_block, in + offset, AES_BLOCK_SIZE);
|
---|
2168 |
|
---|
2169 | wc_AesEncrypt(aes, in + offset, out + offset);
|
---|
2170 |
|
---|
2171 | /* XOR block with IV for CBC */
|
---|
2172 | for (i = 0; i < AES_BLOCK_SIZE; i++)
|
---|
2173 | (out + offset)[i] ^= iv[i];
|
---|
2174 |
|
---|
2175 | /* store IV for next block */
|
---|
2176 | XMEMCPY(iv, temp_block, AES_BLOCK_SIZE);
|
---|
2177 |
|
---|
2178 | len -= AES_BLOCK_SIZE;
|
---|
2179 | offset += AES_BLOCK_SIZE;
|
---|
2180 | }
|
---|
2181 |
|
---|
2182 | return 0;
|
---|
2183 | }
|
---|
2184 |
|
---|
2185 | #elif defined(WOLFSSL_PIC32MZ_CRYPT)
|
---|
2186 | /* core hardware crypt engine driver */
|
---|
2187 | static void wc_AesCrypt(Aes *aes, byte* out, const byte* in, word32 sz,
|
---|
2188 | int dir, int algo, int cryptoalgo)
|
---|
2189 | {
|
---|
2190 | securityAssociation *sa_p ;
|
---|
2191 | bufferDescriptor *bd_p ;
|
---|
2192 |
|
---|
2193 | volatile securityAssociation sa __attribute__((aligned (8)));
|
---|
2194 | volatile bufferDescriptor bd __attribute__((aligned (8)));
|
---|
2195 | volatile int k ;
|
---|
2196 |
|
---|
2197 | /* get uncached address */
|
---|
2198 | sa_p = KVA0_TO_KVA1(&sa) ;
|
---|
2199 | bd_p = KVA0_TO_KVA1(&bd) ;
|
---|
2200 |
|
---|
2201 | /* Sync cache and physical memory */
|
---|
2202 | if(PIC32MZ_IF_RAM(in)) {
|
---|
2203 | XMEMCPY((void *)KVA0_TO_KVA1(in), (void *)in, sz);
|
---|
2204 | }
|
---|
2205 | XMEMSET((void *)KVA0_TO_KVA1(out), 0, sz);
|
---|
2206 | /* Set up the Security Association */
|
---|
2207 | XMEMSET((byte *)KVA0_TO_KVA1(&sa), 0, sizeof(sa));
|
---|
2208 | sa_p->SA_CTRL.ALGO = algo ; /* AES */
|
---|
2209 | sa_p->SA_CTRL.LNC = 1;
|
---|
2210 | sa_p->SA_CTRL.LOADIV = 1;
|
---|
2211 | sa_p->SA_CTRL.FB = 1;
|
---|
2212 | sa_p->SA_CTRL.ENCTYPE = dir ; /* Encryption/Decryption */
|
---|
2213 | sa_p->SA_CTRL.CRYPTOALGO = cryptoalgo;
|
---|
2214 |
|
---|
2215 | if(cryptoalgo == PIC32_CRYPTOALGO_AES_GCM){
|
---|
2216 | switch(aes->keylen) {
|
---|
2217 | case 32:
|
---|
2218 | sa_p->SA_CTRL.KEYSIZE = PIC32_AES_KEYSIZE_256 ;
|
---|
2219 | break ;
|
---|
2220 | case 24:
|
---|
2221 | sa_p->SA_CTRL.KEYSIZE = PIC32_AES_KEYSIZE_192 ;
|
---|
2222 | break ;
|
---|
2223 | case 16:
|
---|
2224 | sa_p->SA_CTRL.KEYSIZE = PIC32_AES_KEYSIZE_128 ;
|
---|
2225 | break ;
|
---|
2226 | }
|
---|
2227 | } else
|
---|
2228 | sa_p->SA_CTRL.KEYSIZE = PIC32_AES_KEYSIZE_128 ;
|
---|
2229 |
|
---|
2230 | ByteReverseWords(
|
---|
2231 | (word32 *)KVA0_TO_KVA1(sa.SA_ENCKEY + 8 - aes->keylen/sizeof(word32)),
|
---|
2232 | (word32 *)aes->key_ce, aes->keylen);
|
---|
2233 | ByteReverseWords(
|
---|
2234 | (word32*)KVA0_TO_KVA1(sa.SA_ENCIV), (word32 *)aes->iv_ce, 16);
|
---|
2235 |
|
---|
2236 | XMEMSET((byte *)KVA0_TO_KVA1(&bd), 0, sizeof(bd));
|
---|
2237 | /* Set up the Buffer Descriptor */
|
---|
2238 | bd_p->BD_CTRL.BUFLEN = sz;
|
---|
2239 | if(cryptoalgo == PIC32_CRYPTOALGO_AES_GCM) {
|
---|
2240 | if(sz % 0x10)
|
---|
2241 | bd_p->BD_CTRL.BUFLEN = (sz/0x10 + 1) * 0x10 ;
|
---|
2242 | }
|
---|
2243 | bd_p->BD_CTRL.LIFM = 1;
|
---|
2244 | bd_p->BD_CTRL.SA_FETCH_EN = 1;
|
---|
2245 | bd_p->BD_CTRL.LAST_BD = 1;
|
---|
2246 | bd_p->BD_CTRL.DESC_EN = 1;
|
---|
2247 |
|
---|
2248 | bd_p->SA_ADDR = (unsigned int)KVA_TO_PA(&sa) ;
|
---|
2249 | bd_p->SRCADDR = (unsigned int)KVA_TO_PA(in) ;
|
---|
2250 | bd_p->DSTADDR = (unsigned int)KVA_TO_PA(out);
|
---|
2251 | bd_p->MSGLEN = sz ;
|
---|
2252 |
|
---|
2253 | CECON = 1 << 6;
|
---|
2254 | while (CECON);
|
---|
2255 |
|
---|
2256 | /* Run the engine */
|
---|
2257 | CEBDPADDR = (unsigned int)KVA_TO_PA(&bd) ;
|
---|
2258 | CEINTEN = 0x07;
|
---|
2259 | CECON = 0x27;
|
---|
2260 |
|
---|
2261 | WAIT_ENGINE ;
|
---|
2262 |
|
---|
2263 | if((cryptoalgo == PIC32_CRYPTOALGO_CBC) ||
|
---|
2264 | (cryptoalgo == PIC32_CRYPTOALGO_TCBC)||
|
---|
2265 | (cryptoalgo == PIC32_CRYPTOALGO_RCBC)) {
|
---|
2266 | /* set iv for the next call */
|
---|
2267 | if(dir == PIC32_ENCRYPTION) {
|
---|
2268 | XMEMCPY((void *)aes->iv_ce,
|
---|
2269 | (void*)KVA0_TO_KVA1(out + sz - AES_BLOCK_SIZE),
|
---|
2270 | AES_BLOCK_SIZE) ;
|
---|
2271 | } else {
|
---|
2272 | ByteReverseWords((word32*)aes->iv_ce,
|
---|
2273 | (word32 *)KVA0_TO_KVA1(in + sz - AES_BLOCK_SIZE),
|
---|
2274 | AES_BLOCK_SIZE);
|
---|
2275 | }
|
---|
2276 | }
|
---|
2277 | XMEMCPY((byte *)out, (byte *)KVA0_TO_KVA1(out), sz) ;
|
---|
2278 | ByteReverseWords((word32*)out, (word32 *)out, sz);
|
---|
2279 | }
|
---|
2280 |
|
---|
2281 | int wc_AesCbcEncrypt(Aes* aes, byte* out, const byte* in, word32 sz)
|
---|
2282 | {
|
---|
2283 | wc_AesCrypt(aes, out, in, sz, PIC32_ENCRYPTION, PIC32_ALGO_AES,
|
---|
2284 | PIC32_CRYPTOALGO_RCBC );
|
---|
2285 | return 0 ;
|
---|
2286 | }
|
---|
2287 |
|
---|
2288 | int wc_AesCbcDecrypt(Aes* aes, byte* out, const byte* in, word32 sz)
|
---|
2289 | {
|
---|
2290 | wc_AesCrypt(aes, out, in, sz, PIC32_DECRYPTION, PIC32_ALGO_AES,
|
---|
2291 | PIC32_CRYPTOALGO_RCBC);
|
---|
2292 | return 0 ;
|
---|
2293 | }
|
---|
2294 |
|
---|
2295 | #else
|
---|
2296 | int wc_AesCbcEncrypt(Aes* aes, byte* out, const byte* in, word32 sz)
|
---|
2297 | {
|
---|
2298 | word32 blocks = sz / AES_BLOCK_SIZE;
|
---|
2299 |
|
---|
2300 | #ifdef HAVE_CAVIUM
|
---|
2301 | if (aes->magic == WOLFSSL_AES_CAVIUM_MAGIC)
|
---|
2302 | return wc_AesCaviumCbcEncrypt(aes, out, in, sz);
|
---|
2303 | #endif
|
---|
2304 |
|
---|
2305 | #ifdef WOLFSSL_AESNI
|
---|
2306 | if (haveAESNI) {
|
---|
2307 | #ifdef DEBUG_AESNI
|
---|
2308 | printf("about to aes cbc encrypt\n");
|
---|
2309 | printf("in = %p\n", in);
|
---|
2310 | printf("out = %p\n", out);
|
---|
2311 | printf("aes->key = %p\n", aes->key);
|
---|
2312 | printf("aes->reg = %p\n", aes->reg);
|
---|
2313 | printf("aes->rounds = %d\n", aes->rounds);
|
---|
2314 | printf("sz = %d\n", sz);
|
---|
2315 | #endif
|
---|
2316 |
|
---|
2317 | /* check alignment, decrypt doesn't need alignment */
|
---|
2318 | if ((wolfssl_word)in % 16) {
|
---|
2319 | #ifndef NO_WOLFSSL_ALLOC_ALIGN
|
---|
2320 | byte* tmp = (byte*)XMALLOC(sz, NULL, DYNAMIC_TYPE_TMP_BUFFER);
|
---|
2321 | WOLFSSL_MSG("AES-CBC encrypt with bad alignment");
|
---|
2322 | if (tmp == NULL) return MEMORY_E;
|
---|
2323 |
|
---|
2324 | XMEMCPY(tmp, in, sz);
|
---|
2325 | AES_CBC_encrypt(tmp, tmp, (byte*)aes->reg, sz, (byte*)aes->key,
|
---|
2326 | aes->rounds);
|
---|
2327 | /* store iv for next call */
|
---|
2328 | XMEMCPY(aes->reg, tmp + sz - AES_BLOCK_SIZE, AES_BLOCK_SIZE);
|
---|
2329 |
|
---|
2330 | XMEMCPY(out, tmp, sz);
|
---|
2331 | XFREE(tmp, NULL, DYNAMIC_TYPE_TMP_BUFFER);
|
---|
2332 | return 0;
|
---|
2333 | #else
|
---|
2334 | return BAD_ALIGN_E;
|
---|
2335 | #endif
|
---|
2336 | }
|
---|
2337 |
|
---|
2338 | AES_CBC_encrypt(in, out, (byte*)aes->reg, sz, (byte*)aes->key,
|
---|
2339 | aes->rounds);
|
---|
2340 | /* store iv for next call */
|
---|
2341 | XMEMCPY(aes->reg, out + sz - AES_BLOCK_SIZE, AES_BLOCK_SIZE);
|
---|
2342 |
|
---|
2343 | return 0;
|
---|
2344 | }
|
---|
2345 | #endif
|
---|
2346 |
|
---|
2347 | while (blocks--) {
|
---|
2348 | xorbuf((byte*)aes->reg, in, AES_BLOCK_SIZE);
|
---|
2349 | wc_AesEncrypt(aes, (byte*)aes->reg, (byte*)aes->reg);
|
---|
2350 | XMEMCPY(out, aes->reg, AES_BLOCK_SIZE);
|
---|
2351 |
|
---|
2352 | out += AES_BLOCK_SIZE;
|
---|
2353 | in += AES_BLOCK_SIZE;
|
---|
2354 | }
|
---|
2355 |
|
---|
2356 | return 0;
|
---|
2357 | }
|
---|
2358 |
|
---|
2359 | int wc_AesCbcDecrypt(Aes* aes, byte* out, const byte* in, word32 sz)
|
---|
2360 | {
|
---|
2361 | word32 blocks = sz / AES_BLOCK_SIZE;
|
---|
2362 |
|
---|
2363 | #ifdef HAVE_CAVIUM
|
---|
2364 | if (aes->magic == WOLFSSL_AES_CAVIUM_MAGIC)
|
---|
2365 | return wc_AesCaviumCbcDecrypt(aes, out, in, sz);
|
---|
2366 | #endif
|
---|
2367 |
|
---|
2368 | #ifdef WOLFSSL_AESNI
|
---|
2369 | if (haveAESNI) {
|
---|
2370 | #ifdef DEBUG_AESNI
|
---|
2371 | printf("about to aes cbc decrypt\n");
|
---|
2372 | printf("in = %p\n", in);
|
---|
2373 | printf("out = %p\n", out);
|
---|
2374 | printf("aes->key = %p\n", aes->key);
|
---|
2375 | printf("aes->reg = %p\n", aes->reg);
|
---|
2376 | printf("aes->rounds = %d\n", aes->rounds);
|
---|
2377 | printf("sz = %d\n", sz);
|
---|
2378 | #endif
|
---|
2379 |
|
---|
2380 | /* if input and output same will overwrite input iv */
|
---|
2381 | XMEMCPY(aes->tmp, in + sz - AES_BLOCK_SIZE, AES_BLOCK_SIZE);
|
---|
2382 | AES_CBC_decrypt(in, out, (byte*)aes->reg, sz, (byte*)aes->key,
|
---|
2383 | aes->rounds);
|
---|
2384 | /* store iv for next call */
|
---|
2385 | XMEMCPY(aes->reg, aes->tmp, AES_BLOCK_SIZE);
|
---|
2386 | return 0;
|
---|
2387 | }
|
---|
2388 | #endif
|
---|
2389 |
|
---|
2390 | while (blocks--) {
|
---|
2391 | XMEMCPY(aes->tmp, in, AES_BLOCK_SIZE);
|
---|
2392 | wc_AesDecrypt(aes, (byte*)aes->tmp, out);
|
---|
2393 | xorbuf(out, (byte*)aes->reg, AES_BLOCK_SIZE);
|
---|
2394 | XMEMCPY(aes->reg, aes->tmp, AES_BLOCK_SIZE);
|
---|
2395 |
|
---|
2396 | out += AES_BLOCK_SIZE;
|
---|
2397 | in += AES_BLOCK_SIZE;
|
---|
2398 | }
|
---|
2399 |
|
---|
2400 | return 0;
|
---|
2401 | }
|
---|
2402 |
|
---|
2403 | #endif /* STM32F2_CRYPTO, AES-CBC block */
|
---|
2404 |
|
---|
2405 | /* AES-CTR */
|
---|
2406 | #ifdef WOLFSSL_AES_COUNTER
|
---|
2407 |
|
---|
2408 | #ifdef STM32F2_CRYPTO
|
---|
2409 | void wc_AesCtrEncrypt(Aes* aes, byte* out, const byte* in, word32 sz)
|
---|
2410 | {
|
---|
2411 | word32 *enc_key, *iv;
|
---|
2412 | CRYP_InitTypeDef AES_CRYP_InitStructure;
|
---|
2413 | CRYP_KeyInitTypeDef AES_CRYP_KeyInitStructure;
|
---|
2414 | CRYP_IVInitTypeDef AES_CRYP_IVInitStructure;
|
---|
2415 |
|
---|
2416 | enc_key = aes->key;
|
---|
2417 | iv = aes->reg;
|
---|
2418 |
|
---|
2419 | /* crypto structure initialization */
|
---|
2420 | CRYP_KeyStructInit(&AES_CRYP_KeyInitStructure);
|
---|
2421 | CRYP_StructInit(&AES_CRYP_InitStructure);
|
---|
2422 | CRYP_IVStructInit(&AES_CRYP_IVInitStructure);
|
---|
2423 |
|
---|
2424 | /* reset registers to their default values */
|
---|
2425 | CRYP_DeInit();
|
---|
2426 |
|
---|
2427 | /* load key into correct registers */
|
---|
2428 | switch(aes->rounds)
|
---|
2429 | {
|
---|
2430 | case 10: /* 128-bit key */
|
---|
2431 | AES_CRYP_InitStructure.CRYP_KeySize = CRYP_KeySize_128b;
|
---|
2432 | AES_CRYP_KeyInitStructure.CRYP_Key2Left = enc_key[0];
|
---|
2433 | AES_CRYP_KeyInitStructure.CRYP_Key2Right = enc_key[1];
|
---|
2434 | AES_CRYP_KeyInitStructure.CRYP_Key3Left = enc_key[2];
|
---|
2435 | AES_CRYP_KeyInitStructure.CRYP_Key3Right = enc_key[3];
|
---|
2436 | break;
|
---|
2437 |
|
---|
2438 | case 12: /* 192-bit key */
|
---|
2439 | AES_CRYP_InitStructure.CRYP_KeySize = CRYP_KeySize_192b;
|
---|
2440 | AES_CRYP_KeyInitStructure.CRYP_Key1Left = enc_key[0];
|
---|
2441 | AES_CRYP_KeyInitStructure.CRYP_Key1Right = enc_key[1];
|
---|
2442 | AES_CRYP_KeyInitStructure.CRYP_Key2Left = enc_key[2];
|
---|
2443 | AES_CRYP_KeyInitStructure.CRYP_Key2Right = enc_key[3];
|
---|
2444 | AES_CRYP_KeyInitStructure.CRYP_Key3Left = enc_key[4];
|
---|
2445 | AES_CRYP_KeyInitStructure.CRYP_Key3Right = enc_key[5];
|
---|
2446 | break;
|
---|
2447 |
|
---|
2448 | case 14: /* 256-bit key */
|
---|
2449 | AES_CRYP_InitStructure.CRYP_KeySize = CRYP_KeySize_256b;
|
---|
2450 | AES_CRYP_KeyInitStructure.CRYP_Key0Left = enc_key[0];
|
---|
2451 | AES_CRYP_KeyInitStructure.CRYP_Key0Right = enc_key[1];
|
---|
2452 | AES_CRYP_KeyInitStructure.CRYP_Key1Left = enc_key[2];
|
---|
2453 | AES_CRYP_KeyInitStructure.CRYP_Key1Right = enc_key[3];
|
---|
2454 | AES_CRYP_KeyInitStructure.CRYP_Key2Left = enc_key[4];
|
---|
2455 | AES_CRYP_KeyInitStructure.CRYP_Key2Right = enc_key[5];
|
---|
2456 | AES_CRYP_KeyInitStructure.CRYP_Key3Left = enc_key[6];
|
---|
2457 | AES_CRYP_KeyInitStructure.CRYP_Key3Right = enc_key[7];
|
---|
2458 | break;
|
---|
2459 |
|
---|
2460 | default:
|
---|
2461 | break;
|
---|
2462 | }
|
---|
2463 | CRYP_KeyInit(&AES_CRYP_KeyInitStructure);
|
---|
2464 |
|
---|
2465 | /* set iv */
|
---|
2466 | ByteReverseWords(iv, iv, AES_BLOCK_SIZE);
|
---|
2467 | AES_CRYP_IVInitStructure.CRYP_IV0Left = iv[0];
|
---|
2468 | AES_CRYP_IVInitStructure.CRYP_IV0Right = iv[1];
|
---|
2469 | AES_CRYP_IVInitStructure.CRYP_IV1Left = iv[2];
|
---|
2470 | AES_CRYP_IVInitStructure.CRYP_IV1Right = iv[3];
|
---|
2471 | CRYP_IVInit(&AES_CRYP_IVInitStructure);
|
---|
2472 |
|
---|
2473 | /* set direction, mode, and datatype */
|
---|
2474 | AES_CRYP_InitStructure.CRYP_AlgoDir = CRYP_AlgoDir_Encrypt;
|
---|
2475 | AES_CRYP_InitStructure.CRYP_AlgoMode = CRYP_AlgoMode_AES_CTR;
|
---|
2476 | AES_CRYP_InitStructure.CRYP_DataType = CRYP_DataType_8b;
|
---|
2477 | CRYP_Init(&AES_CRYP_InitStructure);
|
---|
2478 |
|
---|
2479 | /* enable crypto processor */
|
---|
2480 | CRYP_Cmd(ENABLE);
|
---|
2481 |
|
---|
2482 | while (sz > 0)
|
---|
2483 | {
|
---|
2484 | /* flush IN/OUT FIFOs */
|
---|
2485 | CRYP_FIFOFlush();
|
---|
2486 |
|
---|
2487 | CRYP_DataIn(*(uint32_t*)&in[0]);
|
---|
2488 | CRYP_DataIn(*(uint32_t*)&in[4]);
|
---|
2489 | CRYP_DataIn(*(uint32_t*)&in[8]);
|
---|
2490 | CRYP_DataIn(*(uint32_t*)&in[12]);
|
---|
2491 |
|
---|
2492 | /* wait until the complete message has been processed */
|
---|
2493 | while(CRYP_GetFlagStatus(CRYP_FLAG_BUSY) != RESET) {}
|
---|
2494 |
|
---|
2495 | *(uint32_t*)&out[0] = CRYP_DataOut();
|
---|
2496 | *(uint32_t*)&out[4] = CRYP_DataOut();
|
---|
2497 | *(uint32_t*)&out[8] = CRYP_DataOut();
|
---|
2498 | *(uint32_t*)&out[12] = CRYP_DataOut();
|
---|
2499 |
|
---|
2500 | /* store iv for next call */
|
---|
2501 | XMEMCPY(aes->reg, out + sz - AES_BLOCK_SIZE, AES_BLOCK_SIZE);
|
---|
2502 |
|
---|
2503 | sz -= 16;
|
---|
2504 | in += 16;
|
---|
2505 | out += 16;
|
---|
2506 | }
|
---|
2507 |
|
---|
2508 | /* disable crypto processor */
|
---|
2509 | CRYP_Cmd(DISABLE);
|
---|
2510 | }
|
---|
2511 |
|
---|
2512 | #elif defined(WOLFSSL_PIC32MZ_CRYPT)
|
---|
2513 | void wc_AesCtrEncrypt(Aes* aes, byte* out, const byte* in, word32 sz)
|
---|
2514 | {
|
---|
2515 | int i ;
|
---|
2516 | char out_block[AES_BLOCK_SIZE] ;
|
---|
2517 | int odd ;
|
---|
2518 | int even ;
|
---|
2519 | char *tmp ; /* (char *)aes->tmp, for short */
|
---|
2520 |
|
---|
2521 | tmp = (char *)aes->tmp ;
|
---|
2522 | if(aes->left) {
|
---|
2523 | if((aes->left + sz) >= AES_BLOCK_SIZE){
|
---|
2524 | odd = AES_BLOCK_SIZE - aes->left ;
|
---|
2525 | } else {
|
---|
2526 | odd = sz ;
|
---|
2527 | }
|
---|
2528 | XMEMCPY(tmp+aes->left, in, odd) ;
|
---|
2529 | if((odd+aes->left) == AES_BLOCK_SIZE){
|
---|
2530 | wc_AesCrypt(aes, out_block, tmp, AES_BLOCK_SIZE,
|
---|
2531 | PIC32_ENCRYPTION, PIC32_ALGO_AES, PIC32_CRYPTOALGO_RCTR);
|
---|
2532 | XMEMCPY(out, out_block+aes->left, odd) ;
|
---|
2533 | aes->left = 0 ;
|
---|
2534 | XMEMSET(tmp, 0x0, AES_BLOCK_SIZE) ;
|
---|
2535 | /* Increment IV */
|
---|
2536 | for (i = AES_BLOCK_SIZE - 1; i >= 0; i--) {
|
---|
2537 | if (++((byte *)aes->iv_ce)[i])
|
---|
2538 | break ;
|
---|
2539 | }
|
---|
2540 | }
|
---|
2541 | in += odd ;
|
---|
2542 | out+= odd ;
|
---|
2543 | sz -= odd ;
|
---|
2544 | }
|
---|
2545 | odd = sz % AES_BLOCK_SIZE ; /* if there is tail flagment */
|
---|
2546 | if(sz / AES_BLOCK_SIZE) {
|
---|
2547 | even = (sz/AES_BLOCK_SIZE)*AES_BLOCK_SIZE ;
|
---|
2548 | wc_AesCrypt(aes, out, in, even, PIC32_ENCRYPTION, PIC32_ALGO_AES,
|
---|
2549 | PIC32_CRYPTOALGO_RCTR);
|
---|
2550 | out += even ;
|
---|
2551 | in += even ;
|
---|
2552 | do { /* Increment IV */
|
---|
2553 | for (i = AES_BLOCK_SIZE - 1; i >= 0; i--) {
|
---|
2554 | if (++((byte *)aes->iv_ce)[i])
|
---|
2555 | break ;
|
---|
2556 | }
|
---|
2557 | even -= AES_BLOCK_SIZE ;
|
---|
2558 | } while((int)even > 0) ;
|
---|
2559 | }
|
---|
2560 | if(odd) {
|
---|
2561 | XMEMSET(tmp+aes->left, 0x0, AES_BLOCK_SIZE - aes->left) ;
|
---|
2562 | XMEMCPY(tmp+aes->left, in, odd) ;
|
---|
2563 | wc_AesCrypt(aes, out_block, tmp, AES_BLOCK_SIZE,
|
---|
2564 | PIC32_ENCRYPTION, PIC32_ALGO_AES, PIC32_CRYPTOALGO_RCTR);
|
---|
2565 | XMEMCPY(out, out_block+aes->left,odd) ;
|
---|
2566 | aes->left += odd ;
|
---|
2567 | }
|
---|
2568 | }
|
---|
2569 |
|
---|
2570 | #elif defined(HAVE_COLDFIRE_SEC)
|
---|
2571 | #error "Coldfire SEC doesn't currently support AES-CTR mode"
|
---|
2572 |
|
---|
2573 | #elif defined(FREESCALE_MMCAU)
|
---|
2574 | #error "Freescale mmCAU doesn't currently support AES-CTR mode"
|
---|
2575 |
|
---|
2576 | #else
|
---|
2577 | /* Increment AES counter */
|
---|
2578 | static INLINE void IncrementAesCounter(byte* inOutCtr)
|
---|
2579 | {
|
---|
2580 | int i;
|
---|
2581 |
|
---|
2582 | /* in network byte order so start at end and work back */
|
---|
2583 | for (i = AES_BLOCK_SIZE - 1; i >= 0; i--) {
|
---|
2584 | if (++inOutCtr[i]) /* we're done unless we overflow */
|
---|
2585 | return;
|
---|
2586 | }
|
---|
2587 | }
|
---|
2588 |
|
---|
2589 | void wc_AesCtrEncrypt(Aes* aes, byte* out, const byte* in, word32 sz)
|
---|
2590 | {
|
---|
2591 | byte* tmp = (byte*)aes->tmp + AES_BLOCK_SIZE - aes->left;
|
---|
2592 |
|
---|
2593 | /* consume any unused bytes left in aes->tmp */
|
---|
2594 | while (aes->left && sz) {
|
---|
2595 | *(out++) = *(in++) ^ *(tmp++);
|
---|
2596 | aes->left--;
|
---|
2597 | sz--;
|
---|
2598 | }
|
---|
2599 |
|
---|
2600 | /* do as many block size ops as possible */
|
---|
2601 | while (sz >= AES_BLOCK_SIZE) {
|
---|
2602 | wc_AesEncrypt(aes, (byte*)aes->reg, out);
|
---|
2603 | IncrementAesCounter((byte*)aes->reg);
|
---|
2604 | xorbuf(out, in, AES_BLOCK_SIZE);
|
---|
2605 |
|
---|
2606 | out += AES_BLOCK_SIZE;
|
---|
2607 | in += AES_BLOCK_SIZE;
|
---|
2608 | sz -= AES_BLOCK_SIZE;
|
---|
2609 | aes->left = 0;
|
---|
2610 | }
|
---|
2611 |
|
---|
2612 | /* handle non block size remaining and sotre unused byte count in left */
|
---|
2613 | if (sz) {
|
---|
2614 | wc_AesEncrypt(aes, (byte*)aes->reg, (byte*)aes->tmp);
|
---|
2615 | IncrementAesCounter((byte*)aes->reg);
|
---|
2616 |
|
---|
2617 | aes->left = AES_BLOCK_SIZE;
|
---|
2618 | tmp = (byte*)aes->tmp;
|
---|
2619 |
|
---|
2620 | while (sz--) {
|
---|
2621 | *(out++) = *(in++) ^ *(tmp++);
|
---|
2622 | aes->left--;
|
---|
2623 | }
|
---|
2624 | }
|
---|
2625 | }
|
---|
2626 |
|
---|
2627 | #endif /* STM32F2_CRYPTO, AES-CTR block */
|
---|
2628 |
|
---|
2629 | #endif /* WOLFSSL_AES_COUNTER */
|
---|
2630 |
|
---|
2631 | #ifdef HAVE_AESGCM
|
---|
2632 |
|
---|
2633 | /*
|
---|
2634 | * The IV for AES GCM, stored in struct Aes's member reg, is comprised of
|
---|
2635 | * three parts in order:
|
---|
2636 | * 1. The implicit IV. This is generated from the PRF using the shared
|
---|
2637 | * secrets between endpoints. It is 4 bytes long.
|
---|
2638 | * 2. The explicit IV. This is set by the user of the AES. It needs to be
|
---|
2639 | * unique for each call to encrypt. The explicit IV is shared with the
|
---|
2640 | * other end of the transaction in the clear.
|
---|
2641 | * 3. The counter. Each block of data is encrypted with its own sequence
|
---|
2642 | * number counter.
|
---|
2643 | */
|
---|
2644 |
|
---|
2645 | #ifdef STM32F2_CRYPTO
|
---|
2646 | #error "STM32F2 crypto doesn't currently support AES-GCM mode"
|
---|
2647 |
|
---|
2648 | #elif defined(HAVE_COLDFIRE_SEC)
|
---|
2649 | #error "Coldfire SEC doesn't currently support AES-GCM mode"
|
---|
2650 |
|
---|
2651 | #endif
|
---|
2652 |
|
---|
2653 | enum {
|
---|
2654 | CTR_SZ = 4
|
---|
2655 | };
|
---|
2656 |
|
---|
2657 |
|
---|
2658 | static INLINE void InitGcmCounter(byte* inOutCtr)
|
---|
2659 | {
|
---|
2660 | inOutCtr[AES_BLOCK_SIZE - 4] = 0;
|
---|
2661 | inOutCtr[AES_BLOCK_SIZE - 3] = 0;
|
---|
2662 | inOutCtr[AES_BLOCK_SIZE - 2] = 0;
|
---|
2663 | inOutCtr[AES_BLOCK_SIZE - 1] = 1;
|
---|
2664 | }
|
---|
2665 |
|
---|
2666 |
|
---|
2667 | static INLINE void IncrementGcmCounter(byte* inOutCtr)
|
---|
2668 | {
|
---|
2669 | int i;
|
---|
2670 |
|
---|
2671 | /* in network byte order so start at end and work back */
|
---|
2672 | for (i = AES_BLOCK_SIZE - 1; i >= AES_BLOCK_SIZE - CTR_SZ; i--) {
|
---|
2673 | if (++inOutCtr[i]) /* we're done unless we overflow */
|
---|
2674 | return;
|
---|
2675 | }
|
---|
2676 | }
|
---|
2677 |
|
---|
2678 |
|
---|
2679 | #if defined(GCM_SMALL) || defined(GCM_TABLE)
|
---|
2680 |
|
---|
2681 | static INLINE void FlattenSzInBits(byte* buf, word32 sz)
|
---|
2682 | {
|
---|
2683 | /* Multiply the sz by 8 */
|
---|
2684 | word32 szHi = (sz >> (8*sizeof(sz) - 3));
|
---|
2685 | sz <<= 3;
|
---|
2686 |
|
---|
2687 | /* copy over the words of the sz into the destination buffer */
|
---|
2688 | buf[0] = (szHi >> 24) & 0xff;
|
---|
2689 | buf[1] = (szHi >> 16) & 0xff;
|
---|
2690 | buf[2] = (szHi >> 8) & 0xff;
|
---|
2691 | buf[3] = szHi & 0xff;
|
---|
2692 | buf[4] = (sz >> 24) & 0xff;
|
---|
2693 | buf[5] = (sz >> 16) & 0xff;
|
---|
2694 | buf[6] = (sz >> 8) & 0xff;
|
---|
2695 | buf[7] = sz & 0xff;
|
---|
2696 | }
|
---|
2697 |
|
---|
2698 |
|
---|
2699 | static INLINE void RIGHTSHIFTX(byte* x)
|
---|
2700 | {
|
---|
2701 | int i;
|
---|
2702 | int carryOut = 0;
|
---|
2703 | int carryIn = 0;
|
---|
2704 | int borrow = x[15] & 0x01;
|
---|
2705 |
|
---|
2706 | for (i = 0; i < AES_BLOCK_SIZE; i++) {
|
---|
2707 | carryOut = x[i] & 0x01;
|
---|
2708 | x[i] = (x[i] >> 1) | (carryIn ? 0x80 : 0);
|
---|
2709 | carryIn = carryOut;
|
---|
2710 | }
|
---|
2711 | if (borrow) x[0] ^= 0xE1;
|
---|
2712 | }
|
---|
2713 |
|
---|
2714 | #endif /* defined(GCM_SMALL) || defined(GCM_TABLE) */
|
---|
2715 |
|
---|
2716 |
|
---|
2717 | #ifdef GCM_TABLE
|
---|
2718 |
|
---|
2719 | static void GenerateM0(Aes* aes)
|
---|
2720 | {
|
---|
2721 | int i, j;
|
---|
2722 | byte (*m)[AES_BLOCK_SIZE] = aes->M0;
|
---|
2723 |
|
---|
2724 | XMEMCPY(m[128], aes->H, AES_BLOCK_SIZE);
|
---|
2725 |
|
---|
2726 | for (i = 64; i > 0; i /= 2) {
|
---|
2727 | XMEMCPY(m[i], m[i*2], AES_BLOCK_SIZE);
|
---|
2728 | RIGHTSHIFTX(m[i]);
|
---|
2729 | }
|
---|
2730 |
|
---|
2731 | for (i = 2; i < 256; i *= 2) {
|
---|
2732 | for (j = 1; j < i; j++) {
|
---|
2733 | XMEMCPY(m[i+j], m[i], AES_BLOCK_SIZE);
|
---|
2734 | xorbuf(m[i+j], m[j], AES_BLOCK_SIZE);
|
---|
2735 | }
|
---|
2736 | }
|
---|
2737 |
|
---|
2738 | XMEMSET(m[0], 0, AES_BLOCK_SIZE);
|
---|
2739 | }
|
---|
2740 |
|
---|
2741 | #endif /* GCM_TABLE */
|
---|
2742 |
|
---|
2743 |
|
---|
2744 | int wc_AesGcmSetKey(Aes* aes, const byte* key, word32 len)
|
---|
2745 | {
|
---|
2746 | int ret;
|
---|
2747 | byte iv[AES_BLOCK_SIZE];
|
---|
2748 |
|
---|
2749 | if (!((len == 16) || (len == 24) || (len == 32)))
|
---|
2750 | return BAD_FUNC_ARG;
|
---|
2751 |
|
---|
2752 | XMEMSET(iv, 0, AES_BLOCK_SIZE);
|
---|
2753 | ret = wc_AesSetKey(aes, key, len, iv, AES_ENCRYPTION);
|
---|
2754 |
|
---|
2755 | if (ret == 0) {
|
---|
2756 | wc_AesEncrypt(aes, iv, aes->H);
|
---|
2757 | #ifdef GCM_TABLE
|
---|
2758 | GenerateM0(aes);
|
---|
2759 | #endif /* GCM_TABLE */
|
---|
2760 | }
|
---|
2761 |
|
---|
2762 | return ret;
|
---|
2763 | }
|
---|
2764 |
|
---|
2765 |
|
---|
2766 | #if defined(GCM_SMALL)
|
---|
2767 |
|
---|
2768 | static void GMULT(byte* X, byte* Y)
|
---|
2769 | {
|
---|
2770 | byte Z[AES_BLOCK_SIZE];
|
---|
2771 | byte V[AES_BLOCK_SIZE];
|
---|
2772 | int i, j;
|
---|
2773 |
|
---|
2774 | XMEMSET(Z, 0, AES_BLOCK_SIZE);
|
---|
2775 | XMEMCPY(V, X, AES_BLOCK_SIZE);
|
---|
2776 | for (i = 0; i < AES_BLOCK_SIZE; i++)
|
---|
2777 | {
|
---|
2778 | byte y = Y[i];
|
---|
2779 | for (j = 0; j < 8; j++)
|
---|
2780 | {
|
---|
2781 | if (y & 0x80) {
|
---|
2782 | xorbuf(Z, V, AES_BLOCK_SIZE);
|
---|
2783 | }
|
---|
2784 |
|
---|
2785 | RIGHTSHIFTX(V);
|
---|
2786 | y = y << 1;
|
---|
2787 | }
|
---|
2788 | }
|
---|
2789 | XMEMCPY(X, Z, AES_BLOCK_SIZE);
|
---|
2790 | }
|
---|
2791 |
|
---|
2792 |
|
---|
2793 | static void GHASH(Aes* aes, const byte* a, word32 aSz,
|
---|
2794 | const byte* c, word32 cSz, byte* s, word32 sSz)
|
---|
2795 | {
|
---|
2796 | byte x[AES_BLOCK_SIZE];
|
---|
2797 | byte scratch[AES_BLOCK_SIZE];
|
---|
2798 | word32 blocks, partial;
|
---|
2799 | byte* h = aes->H;
|
---|
2800 |
|
---|
2801 | XMEMSET(x, 0, AES_BLOCK_SIZE);
|
---|
2802 |
|
---|
2803 | /* Hash in A, the Additional Authentication Data */
|
---|
2804 | if (aSz != 0 && a != NULL) {
|
---|
2805 | blocks = aSz / AES_BLOCK_SIZE;
|
---|
2806 | partial = aSz % AES_BLOCK_SIZE;
|
---|
2807 | while (blocks--) {
|
---|
2808 | xorbuf(x, a, AES_BLOCK_SIZE);
|
---|
2809 | GMULT(x, h);
|
---|
2810 | a += AES_BLOCK_SIZE;
|
---|
2811 | }
|
---|
2812 | if (partial != 0) {
|
---|
2813 | XMEMSET(scratch, 0, AES_BLOCK_SIZE);
|
---|
2814 | XMEMCPY(scratch, a, partial);
|
---|
2815 | xorbuf(x, scratch, AES_BLOCK_SIZE);
|
---|
2816 | GMULT(x, h);
|
---|
2817 | }
|
---|
2818 | }
|
---|
2819 |
|
---|
2820 | /* Hash in C, the Ciphertext */
|
---|
2821 | if (cSz != 0 && c != NULL) {
|
---|
2822 | blocks = cSz / AES_BLOCK_SIZE;
|
---|
2823 | partial = cSz % AES_BLOCK_SIZE;
|
---|
2824 | while (blocks--) {
|
---|
2825 | xorbuf(x, c, AES_BLOCK_SIZE);
|
---|
2826 | GMULT(x, h);
|
---|
2827 | c += AES_BLOCK_SIZE;
|
---|
2828 | }
|
---|
2829 | if (partial != 0) {
|
---|
2830 | XMEMSET(scratch, 0, AES_BLOCK_SIZE);
|
---|
2831 | XMEMCPY(scratch, c, partial);
|
---|
2832 | xorbuf(x, scratch, AES_BLOCK_SIZE);
|
---|
2833 | GMULT(x, h);
|
---|
2834 | }
|
---|
2835 | }
|
---|
2836 |
|
---|
2837 | /* Hash in the lengths of A and C in bits */
|
---|
2838 | FlattenSzInBits(&scratch[0], aSz);
|
---|
2839 | FlattenSzInBits(&scratch[8], cSz);
|
---|
2840 | xorbuf(x, scratch, AES_BLOCK_SIZE);
|
---|
2841 | GMULT(x, h);
|
---|
2842 |
|
---|
2843 | /* Copy the result into s. */
|
---|
2844 | XMEMCPY(s, x, sSz);
|
---|
2845 | }
|
---|
2846 |
|
---|
2847 | /* end GCM_SMALL */
|
---|
2848 | #elif defined(GCM_TABLE)
|
---|
2849 |
|
---|
2850 | static const byte R[256][2] = {
|
---|
2851 | {0x00, 0x00}, {0x01, 0xc2}, {0x03, 0x84}, {0x02, 0x46},
|
---|
2852 | {0x07, 0x08}, {0x06, 0xca}, {0x04, 0x8c}, {0x05, 0x4e},
|
---|
2853 | {0x0e, 0x10}, {0x0f, 0xd2}, {0x0d, 0x94}, {0x0c, 0x56},
|
---|
2854 | {0x09, 0x18}, {0x08, 0xda}, {0x0a, 0x9c}, {0x0b, 0x5e},
|
---|
2855 | {0x1c, 0x20}, {0x1d, 0xe2}, {0x1f, 0xa4}, {0x1e, 0x66},
|
---|
2856 | {0x1b, 0x28}, {0x1a, 0xea}, {0x18, 0xac}, {0x19, 0x6e},
|
---|
2857 | {0x12, 0x30}, {0x13, 0xf2}, {0x11, 0xb4}, {0x10, 0x76},
|
---|
2858 | {0x15, 0x38}, {0x14, 0xfa}, {0x16, 0xbc}, {0x17, 0x7e},
|
---|
2859 | {0x38, 0x40}, {0x39, 0x82}, {0x3b, 0xc4}, {0x3a, 0x06},
|
---|
2860 | {0x3f, 0x48}, {0x3e, 0x8a}, {0x3c, 0xcc}, {0x3d, 0x0e},
|
---|
2861 | {0x36, 0x50}, {0x37, 0x92}, {0x35, 0xd4}, {0x34, 0x16},
|
---|
2862 | {0x31, 0x58}, {0x30, 0x9a}, {0x32, 0xdc}, {0x33, 0x1e},
|
---|
2863 | {0x24, 0x60}, {0x25, 0xa2}, {0x27, 0xe4}, {0x26, 0x26},
|
---|
2864 | {0x23, 0x68}, {0x22, 0xaa}, {0x20, 0xec}, {0x21, 0x2e},
|
---|
2865 | {0x2a, 0x70}, {0x2b, 0xb2}, {0x29, 0xf4}, {0x28, 0x36},
|
---|
2866 | {0x2d, 0x78}, {0x2c, 0xba}, {0x2e, 0xfc}, {0x2f, 0x3e},
|
---|
2867 | {0x70, 0x80}, {0x71, 0x42}, {0x73, 0x04}, {0x72, 0xc6},
|
---|
2868 | {0x77, 0x88}, {0x76, 0x4a}, {0x74, 0x0c}, {0x75, 0xce},
|
---|
2869 | {0x7e, 0x90}, {0x7f, 0x52}, {0x7d, 0x14}, {0x7c, 0xd6},
|
---|
2870 | {0x79, 0x98}, {0x78, 0x5a}, {0x7a, 0x1c}, {0x7b, 0xde},
|
---|
2871 | {0x6c, 0xa0}, {0x6d, 0x62}, {0x6f, 0x24}, {0x6e, 0xe6},
|
---|
2872 | {0x6b, 0xa8}, {0x6a, 0x6a}, {0x68, 0x2c}, {0x69, 0xee},
|
---|
2873 | {0x62, 0xb0}, {0x63, 0x72}, {0x61, 0x34}, {0x60, 0xf6},
|
---|
2874 | {0x65, 0xb8}, {0x64, 0x7a}, {0x66, 0x3c}, {0x67, 0xfe},
|
---|
2875 | {0x48, 0xc0}, {0x49, 0x02}, {0x4b, 0x44}, {0x4a, 0x86},
|
---|
2876 | {0x4f, 0xc8}, {0x4e, 0x0a}, {0x4c, 0x4c}, {0x4d, 0x8e},
|
---|
2877 | {0x46, 0xd0}, {0x47, 0x12}, {0x45, 0x54}, {0x44, 0x96},
|
---|
2878 | {0x41, 0xd8}, {0x40, 0x1a}, {0x42, 0x5c}, {0x43, 0x9e},
|
---|
2879 | {0x54, 0xe0}, {0x55, 0x22}, {0x57, 0x64}, {0x56, 0xa6},
|
---|
2880 | {0x53, 0xe8}, {0x52, 0x2a}, {0x50, 0x6c}, {0x51, 0xae},
|
---|
2881 | {0x5a, 0xf0}, {0x5b, 0x32}, {0x59, 0x74}, {0x58, 0xb6},
|
---|
2882 | {0x5d, 0xf8}, {0x5c, 0x3a}, {0x5e, 0x7c}, {0x5f, 0xbe},
|
---|
2883 | {0xe1, 0x00}, {0xe0, 0xc2}, {0xe2, 0x84}, {0xe3, 0x46},
|
---|
2884 | {0xe6, 0x08}, {0xe7, 0xca}, {0xe5, 0x8c}, {0xe4, 0x4e},
|
---|
2885 | {0xef, 0x10}, {0xee, 0xd2}, {0xec, 0x94}, {0xed, 0x56},
|
---|
2886 | {0xe8, 0x18}, {0xe9, 0xda}, {0xeb, 0x9c}, {0xea, 0x5e},
|
---|
2887 | {0xfd, 0x20}, {0xfc, 0xe2}, {0xfe, 0xa4}, {0xff, 0x66},
|
---|
2888 | {0xfa, 0x28}, {0xfb, 0xea}, {0xf9, 0xac}, {0xf8, 0x6e},
|
---|
2889 | {0xf3, 0x30}, {0xf2, 0xf2}, {0xf0, 0xb4}, {0xf1, 0x76},
|
---|
2890 | {0xf4, 0x38}, {0xf5, 0xfa}, {0xf7, 0xbc}, {0xf6, 0x7e},
|
---|
2891 | {0xd9, 0x40}, {0xd8, 0x82}, {0xda, 0xc4}, {0xdb, 0x06},
|
---|
2892 | {0xde, 0x48}, {0xdf, 0x8a}, {0xdd, 0xcc}, {0xdc, 0x0e},
|
---|
2893 | {0xd7, 0x50}, {0xd6, 0x92}, {0xd4, 0xd4}, {0xd5, 0x16},
|
---|
2894 | {0xd0, 0x58}, {0xd1, 0x9a}, {0xd3, 0xdc}, {0xd2, 0x1e},
|
---|
2895 | {0xc5, 0x60}, {0xc4, 0xa2}, {0xc6, 0xe4}, {0xc7, 0x26},
|
---|
2896 | {0xc2, 0x68}, {0xc3, 0xaa}, {0xc1, 0xec}, {0xc0, 0x2e},
|
---|
2897 | {0xcb, 0x70}, {0xca, 0xb2}, {0xc8, 0xf4}, {0xc9, 0x36},
|
---|
2898 | {0xcc, 0x78}, {0xcd, 0xba}, {0xcf, 0xfc}, {0xce, 0x3e},
|
---|
2899 | {0x91, 0x80}, {0x90, 0x42}, {0x92, 0x04}, {0x93, 0xc6},
|
---|
2900 | {0x96, 0x88}, {0x97, 0x4a}, {0x95, 0x0c}, {0x94, 0xce},
|
---|
2901 | {0x9f, 0x90}, {0x9e, 0x52}, {0x9c, 0x14}, {0x9d, 0xd6},
|
---|
2902 | {0x98, 0x98}, {0x99, 0x5a}, {0x9b, 0x1c}, {0x9a, 0xde},
|
---|
2903 | {0x8d, 0xa0}, {0x8c, 0x62}, {0x8e, 0x24}, {0x8f, 0xe6},
|
---|
2904 | {0x8a, 0xa8}, {0x8b, 0x6a}, {0x89, 0x2c}, {0x88, 0xee},
|
---|
2905 | {0x83, 0xb0}, {0x82, 0x72}, {0x80, 0x34}, {0x81, 0xf6},
|
---|
2906 | {0x84, 0xb8}, {0x85, 0x7a}, {0x87, 0x3c}, {0x86, 0xfe},
|
---|
2907 | {0xa9, 0xc0}, {0xa8, 0x02}, {0xaa, 0x44}, {0xab, 0x86},
|
---|
2908 | {0xae, 0xc8}, {0xaf, 0x0a}, {0xad, 0x4c}, {0xac, 0x8e},
|
---|
2909 | {0xa7, 0xd0}, {0xa6, 0x12}, {0xa4, 0x54}, {0xa5, 0x96},
|
---|
2910 | {0xa0, 0xd8}, {0xa1, 0x1a}, {0xa3, 0x5c}, {0xa2, 0x9e},
|
---|
2911 | {0xb5, 0xe0}, {0xb4, 0x22}, {0xb6, 0x64}, {0xb7, 0xa6},
|
---|
2912 | {0xb2, 0xe8}, {0xb3, 0x2a}, {0xb1, 0x6c}, {0xb0, 0xae},
|
---|
2913 | {0xbb, 0xf0}, {0xba, 0x32}, {0xb8, 0x74}, {0xb9, 0xb6},
|
---|
2914 | {0xbc, 0xf8}, {0xbd, 0x3a}, {0xbf, 0x7c}, {0xbe, 0xbe} };
|
---|
2915 |
|
---|
2916 |
|
---|
2917 | static void GMULT(byte *x, byte m[256][AES_BLOCK_SIZE])
|
---|
2918 | {
|
---|
2919 | int i, j;
|
---|
2920 | byte Z[AES_BLOCK_SIZE];
|
---|
2921 | byte a;
|
---|
2922 |
|
---|
2923 | XMEMSET(Z, 0, sizeof(Z));
|
---|
2924 |
|
---|
2925 | for (i = 15; i > 0; i--) {
|
---|
2926 | xorbuf(Z, m[x[i]], AES_BLOCK_SIZE);
|
---|
2927 | a = Z[15];
|
---|
2928 |
|
---|
2929 | for (j = 15; j > 0; j--) {
|
---|
2930 | Z[j] = Z[j-1];
|
---|
2931 | }
|
---|
2932 |
|
---|
2933 | Z[0] = R[a][0];
|
---|
2934 | Z[1] ^= R[a][1];
|
---|
2935 | }
|
---|
2936 | xorbuf(Z, m[x[0]], AES_BLOCK_SIZE);
|
---|
2937 |
|
---|
2938 | XMEMCPY(x, Z, AES_BLOCK_SIZE);
|
---|
2939 | }
|
---|
2940 |
|
---|
2941 |
|
---|
2942 | static void GHASH(Aes* aes, const byte* a, word32 aSz,
|
---|
2943 | const byte* c, word32 cSz, byte* s, word32 sSz)
|
---|
2944 | {
|
---|
2945 | byte x[AES_BLOCK_SIZE];
|
---|
2946 | byte scratch[AES_BLOCK_SIZE];
|
---|
2947 | word32 blocks, partial;
|
---|
2948 |
|
---|
2949 | XMEMSET(x, 0, AES_BLOCK_SIZE);
|
---|
2950 |
|
---|
2951 | /* Hash in A, the Additional Authentication Data */
|
---|
2952 | if (aSz != 0 && a != NULL) {
|
---|
2953 | blocks = aSz / AES_BLOCK_SIZE;
|
---|
2954 | partial = aSz % AES_BLOCK_SIZE;
|
---|
2955 | while (blocks--) {
|
---|
2956 | xorbuf(x, a, AES_BLOCK_SIZE);
|
---|
2957 | GMULT(x, aes->M0);
|
---|
2958 | a += AES_BLOCK_SIZE;
|
---|
2959 | }
|
---|
2960 | if (partial != 0) {
|
---|
2961 | XMEMSET(scratch, 0, AES_BLOCK_SIZE);
|
---|
2962 | XMEMCPY(scratch, a, partial);
|
---|
2963 | xorbuf(x, scratch, AES_BLOCK_SIZE);
|
---|
2964 | GMULT(x, aes->M0);
|
---|
2965 | }
|
---|
2966 | }
|
---|
2967 |
|
---|
2968 | /* Hash in C, the Ciphertext */
|
---|
2969 | if (cSz != 0 && c != NULL) {
|
---|
2970 | blocks = cSz / AES_BLOCK_SIZE;
|
---|
2971 | partial = cSz % AES_BLOCK_SIZE;
|
---|
2972 | while (blocks--) {
|
---|
2973 | xorbuf(x, c, AES_BLOCK_SIZE);
|
---|
2974 | GMULT(x, aes->M0);
|
---|
2975 | c += AES_BLOCK_SIZE;
|
---|
2976 | }
|
---|
2977 | if (partial != 0) {
|
---|
2978 | XMEMSET(scratch, 0, AES_BLOCK_SIZE);
|
---|
2979 | XMEMCPY(scratch, c, partial);
|
---|
2980 | xorbuf(x, scratch, AES_BLOCK_SIZE);
|
---|
2981 | GMULT(x, aes->M0);
|
---|
2982 | }
|
---|
2983 | }
|
---|
2984 |
|
---|
2985 | /* Hash in the lengths of A and C in bits */
|
---|
2986 | FlattenSzInBits(&scratch[0], aSz);
|
---|
2987 | FlattenSzInBits(&scratch[8], cSz);
|
---|
2988 | xorbuf(x, scratch, AES_BLOCK_SIZE);
|
---|
2989 | GMULT(x, aes->M0);
|
---|
2990 |
|
---|
2991 | /* Copy the result into s. */
|
---|
2992 | XMEMCPY(s, x, sSz);
|
---|
2993 | }
|
---|
2994 |
|
---|
2995 | /* end GCM_TABLE */
|
---|
2996 | #elif defined(WORD64_AVAILABLE) && !defined(GCM_WORD32)
|
---|
2997 |
|
---|
2998 | static void GMULT(word64* X, word64* Y)
|
---|
2999 | {
|
---|
3000 | word64 Z[2] = {0,0};
|
---|
3001 | word64 V[2] ;
|
---|
3002 | int i, j;
|
---|
3003 | V[0] = X[0] ; V[1] = X[1] ;
|
---|
3004 |
|
---|
3005 | for (i = 0; i < 2; i++)
|
---|
3006 | {
|
---|
3007 | word64 y = Y[i];
|
---|
3008 | for (j = 0; j < 64; j++)
|
---|
3009 | {
|
---|
3010 | if (y & 0x8000000000000000ULL) {
|
---|
3011 | Z[0] ^= V[0];
|
---|
3012 | Z[1] ^= V[1];
|
---|
3013 | }
|
---|
3014 |
|
---|
3015 | if (V[1] & 0x0000000000000001) {
|
---|
3016 | V[1] >>= 1;
|
---|
3017 | V[1] |= ((V[0] & 0x0000000000000001) ? 0x8000000000000000ULL : 0);
|
---|
3018 | V[0] >>= 1;
|
---|
3019 | V[0] ^= 0xE100000000000000ULL;
|
---|
3020 | }
|
---|
3021 | else {
|
---|
3022 | V[1] >>= 1;
|
---|
3023 | V[1] |= ((V[0] & 0x0000000000000001) ? 0x8000000000000000ULL : 0);
|
---|
3024 | V[0] >>= 1;
|
---|
3025 | }
|
---|
3026 | y <<= 1;
|
---|
3027 | }
|
---|
3028 | }
|
---|
3029 | X[0] = Z[0];
|
---|
3030 | X[1] = Z[1];
|
---|
3031 | }
|
---|
3032 |
|
---|
3033 |
|
---|
3034 | static void GHASH(Aes* aes, const byte* a, word32 aSz,
|
---|
3035 | const byte* c, word32 cSz, byte* s, word32 sSz)
|
---|
3036 | {
|
---|
3037 | word64 x[2] = {0,0};
|
---|
3038 | word32 blocks, partial;
|
---|
3039 | word64 bigH[2];
|
---|
3040 |
|
---|
3041 | XMEMCPY(bigH, aes->H, AES_BLOCK_SIZE);
|
---|
3042 | #ifdef LITTLE_ENDIAN_ORDER
|
---|
3043 | ByteReverseWords64(bigH, bigH, AES_BLOCK_SIZE);
|
---|
3044 | #endif
|
---|
3045 |
|
---|
3046 | /* Hash in A, the Additional Authentication Data */
|
---|
3047 | if (aSz != 0 && a != NULL) {
|
---|
3048 | word64 bigA[2];
|
---|
3049 | blocks = aSz / AES_BLOCK_SIZE;
|
---|
3050 | partial = aSz % AES_BLOCK_SIZE;
|
---|
3051 | while (blocks--) {
|
---|
3052 | XMEMCPY(bigA, a, AES_BLOCK_SIZE);
|
---|
3053 | #ifdef LITTLE_ENDIAN_ORDER
|
---|
3054 | ByteReverseWords64(bigA, bigA, AES_BLOCK_SIZE);
|
---|
3055 | #endif
|
---|
3056 | x[0] ^= bigA[0];
|
---|
3057 | x[1] ^= bigA[1];
|
---|
3058 | GMULT(x, bigH);
|
---|
3059 | a += AES_BLOCK_SIZE;
|
---|
3060 | }
|
---|
3061 | if (partial != 0) {
|
---|
3062 | XMEMSET(bigA, 0, AES_BLOCK_SIZE);
|
---|
3063 | XMEMCPY(bigA, a, partial);
|
---|
3064 | #ifdef LITTLE_ENDIAN_ORDER
|
---|
3065 | ByteReverseWords64(bigA, bigA, AES_BLOCK_SIZE);
|
---|
3066 | #endif
|
---|
3067 | x[0] ^= bigA[0];
|
---|
3068 | x[1] ^= bigA[1];
|
---|
3069 | GMULT(x, bigH);
|
---|
3070 | }
|
---|
3071 | }
|
---|
3072 |
|
---|
3073 | /* Hash in C, the Ciphertext */
|
---|
3074 | if (cSz != 0 && c != NULL) {
|
---|
3075 | word64 bigC[2];
|
---|
3076 | blocks = cSz / AES_BLOCK_SIZE;
|
---|
3077 | partial = cSz % AES_BLOCK_SIZE;
|
---|
3078 | while (blocks--) {
|
---|
3079 | XMEMCPY(bigC, c, AES_BLOCK_SIZE);
|
---|
3080 | #ifdef LITTLE_ENDIAN_ORDER
|
---|
3081 | ByteReverseWords64(bigC, bigC, AES_BLOCK_SIZE);
|
---|
3082 | #endif
|
---|
3083 | x[0] ^= bigC[0];
|
---|
3084 | x[1] ^= bigC[1];
|
---|
3085 | GMULT(x, bigH);
|
---|
3086 | c += AES_BLOCK_SIZE;
|
---|
3087 | }
|
---|
3088 | if (partial != 0) {
|
---|
3089 | XMEMSET(bigC, 0, AES_BLOCK_SIZE);
|
---|
3090 | XMEMCPY(bigC, c, partial);
|
---|
3091 | #ifdef LITTLE_ENDIAN_ORDER
|
---|
3092 | ByteReverseWords64(bigC, bigC, AES_BLOCK_SIZE);
|
---|
3093 | #endif
|
---|
3094 | x[0] ^= bigC[0];
|
---|
3095 | x[1] ^= bigC[1];
|
---|
3096 | GMULT(x, bigH);
|
---|
3097 | }
|
---|
3098 | }
|
---|
3099 |
|
---|
3100 | /* Hash in the lengths in bits of A and C */
|
---|
3101 | {
|
---|
3102 | word64 len[2] ;
|
---|
3103 | len[0] = aSz ; len[1] = cSz;
|
---|
3104 |
|
---|
3105 | /* Lengths are in bytes. Convert to bits. */
|
---|
3106 | len[0] *= 8;
|
---|
3107 | len[1] *= 8;
|
---|
3108 |
|
---|
3109 | x[0] ^= len[0];
|
---|
3110 | x[1] ^= len[1];
|
---|
3111 | GMULT(x, bigH);
|
---|
3112 | }
|
---|
3113 | #ifdef LITTLE_ENDIAN_ORDER
|
---|
3114 | ByteReverseWords64(x, x, AES_BLOCK_SIZE);
|
---|
3115 | #endif
|
---|
3116 | XMEMCPY(s, x, sSz);
|
---|
3117 | }
|
---|
3118 |
|
---|
3119 | /* end defined(WORD64_AVAILABLE) && !defined(GCM_WORD32) */
|
---|
3120 | #else /* GCM_WORD32 */
|
---|
3121 |
|
---|
3122 | static void GMULT(word32* X, word32* Y)
|
---|
3123 | {
|
---|
3124 | word32 Z[4] = {0,0,0,0};
|
---|
3125 | word32 V[4] ;
|
---|
3126 | int i, j;
|
---|
3127 |
|
---|
3128 | V[0] = X[0]; V[1] = X[1]; V[2] = X[2]; V[3] = X[3];
|
---|
3129 |
|
---|
3130 | for (i = 0; i < 4; i++)
|
---|
3131 | {
|
---|
3132 | word32 y = Y[i];
|
---|
3133 | for (j = 0; j < 32; j++)
|
---|
3134 | {
|
---|
3135 | if (y & 0x80000000) {
|
---|
3136 | Z[0] ^= V[0];
|
---|
3137 | Z[1] ^= V[1];
|
---|
3138 | Z[2] ^= V[2];
|
---|
3139 | Z[3] ^= V[3];
|
---|
3140 | }
|
---|
3141 |
|
---|
3142 | if (V[3] & 0x00000001) {
|
---|
3143 | V[3] >>= 1;
|
---|
3144 | V[3] |= ((V[2] & 0x00000001) ? 0x80000000 : 0);
|
---|
3145 | V[2] >>= 1;
|
---|
3146 | V[2] |= ((V[1] & 0x00000001) ? 0x80000000 : 0);
|
---|
3147 | V[1] >>= 1;
|
---|
3148 | V[1] |= ((V[0] & 0x00000001) ? 0x80000000 : 0);
|
---|
3149 | V[0] >>= 1;
|
---|
3150 | V[0] ^= 0xE1000000;
|
---|
3151 | } else {
|
---|
3152 | V[3] >>= 1;
|
---|
3153 | V[3] |= ((V[2] & 0x00000001) ? 0x80000000 : 0);
|
---|
3154 | V[2] >>= 1;
|
---|
3155 | V[2] |= ((V[1] & 0x00000001) ? 0x80000000 : 0);
|
---|
3156 | V[1] >>= 1;
|
---|
3157 | V[1] |= ((V[0] & 0x00000001) ? 0x80000000 : 0);
|
---|
3158 | V[0] >>= 1;
|
---|
3159 | }
|
---|
3160 | y <<= 1;
|
---|
3161 | }
|
---|
3162 | }
|
---|
3163 | X[0] = Z[0];
|
---|
3164 | X[1] = Z[1];
|
---|
3165 | X[2] = Z[2];
|
---|
3166 | X[3] = Z[3];
|
---|
3167 | }
|
---|
3168 |
|
---|
3169 |
|
---|
3170 | static void GHASH(Aes* aes, const byte* a, word32 aSz,
|
---|
3171 | const byte* c, word32 cSz, byte* s, word32 sSz)
|
---|
3172 | {
|
---|
3173 | word32 x[4] = {0,0,0,0};
|
---|
3174 | word32 blocks, partial;
|
---|
3175 | word32 bigH[4];
|
---|
3176 |
|
---|
3177 | XMEMCPY(bigH, aes->H, AES_BLOCK_SIZE);
|
---|
3178 | #ifdef LITTLE_ENDIAN_ORDER
|
---|
3179 | ByteReverseWords(bigH, bigH, AES_BLOCK_SIZE);
|
---|
3180 | #endif
|
---|
3181 |
|
---|
3182 | /* Hash in A, the Additional Authentication Data */
|
---|
3183 | if (aSz != 0 && a != NULL) {
|
---|
3184 | word32 bigA[4];
|
---|
3185 | blocks = aSz / AES_BLOCK_SIZE;
|
---|
3186 | partial = aSz % AES_BLOCK_SIZE;
|
---|
3187 | while (blocks--) {
|
---|
3188 | XMEMCPY(bigA, a, AES_BLOCK_SIZE);
|
---|
3189 | #ifdef LITTLE_ENDIAN_ORDER
|
---|
3190 | ByteReverseWords(bigA, bigA, AES_BLOCK_SIZE);
|
---|
3191 | #endif
|
---|
3192 | x[0] ^= bigA[0];
|
---|
3193 | x[1] ^= bigA[1];
|
---|
3194 | x[2] ^= bigA[2];
|
---|
3195 | x[3] ^= bigA[3];
|
---|
3196 | GMULT(x, bigH);
|
---|
3197 | a += AES_BLOCK_SIZE;
|
---|
3198 | }
|
---|
3199 | if (partial != 0) {
|
---|
3200 | XMEMSET(bigA, 0, AES_BLOCK_SIZE);
|
---|
3201 | XMEMCPY(bigA, a, partial);
|
---|
3202 | #ifdef LITTLE_ENDIAN_ORDER
|
---|
3203 | ByteReverseWords(bigA, bigA, AES_BLOCK_SIZE);
|
---|
3204 | #endif
|
---|
3205 | x[0] ^= bigA[0];
|
---|
3206 | x[1] ^= bigA[1];
|
---|
3207 | x[2] ^= bigA[2];
|
---|
3208 | x[3] ^= bigA[3];
|
---|
3209 | GMULT(x, bigH);
|
---|
3210 | }
|
---|
3211 | }
|
---|
3212 |
|
---|
3213 | /* Hash in C, the Ciphertext */
|
---|
3214 | if (cSz != 0 && c != NULL) {
|
---|
3215 | word32 bigC[4];
|
---|
3216 | blocks = cSz / AES_BLOCK_SIZE;
|
---|
3217 | partial = cSz % AES_BLOCK_SIZE;
|
---|
3218 | while (blocks--) {
|
---|
3219 | XMEMCPY(bigC, c, AES_BLOCK_SIZE);
|
---|
3220 | #ifdef LITTLE_ENDIAN_ORDER
|
---|
3221 | ByteReverseWords(bigC, bigC, AES_BLOCK_SIZE);
|
---|
3222 | #endif
|
---|
3223 | x[0] ^= bigC[0];
|
---|
3224 | x[1] ^= bigC[1];
|
---|
3225 | x[2] ^= bigC[2];
|
---|
3226 | x[3] ^= bigC[3];
|
---|
3227 | GMULT(x, bigH);
|
---|
3228 | c += AES_BLOCK_SIZE;
|
---|
3229 | }
|
---|
3230 | if (partial != 0) {
|
---|
3231 | XMEMSET(bigC, 0, AES_BLOCK_SIZE);
|
---|
3232 | XMEMCPY(bigC, c, partial);
|
---|
3233 | #ifdef LITTLE_ENDIAN_ORDER
|
---|
3234 | ByteReverseWords(bigC, bigC, AES_BLOCK_SIZE);
|
---|
3235 | #endif
|
---|
3236 | x[0] ^= bigC[0];
|
---|
3237 | x[1] ^= bigC[1];
|
---|
3238 | x[2] ^= bigC[2];
|
---|
3239 | x[3] ^= bigC[3];
|
---|
3240 | GMULT(x, bigH);
|
---|
3241 | }
|
---|
3242 | }
|
---|
3243 |
|
---|
3244 | /* Hash in the lengths in bits of A and C */
|
---|
3245 | {
|
---|
3246 | word32 len[4];
|
---|
3247 |
|
---|
3248 | /* Lengths are in bytes. Convert to bits. */
|
---|
3249 | len[0] = (aSz >> (8*sizeof(aSz) - 3));
|
---|
3250 | len[1] = aSz << 3;
|
---|
3251 | len[2] = (cSz >> (8*sizeof(cSz) - 3));
|
---|
3252 | len[3] = cSz << 3;
|
---|
3253 |
|
---|
3254 | x[0] ^= len[0];
|
---|
3255 | x[1] ^= len[1];
|
---|
3256 | x[2] ^= len[2];
|
---|
3257 | x[3] ^= len[3];
|
---|
3258 | GMULT(x, bigH);
|
---|
3259 | }
|
---|
3260 | #ifdef LITTLE_ENDIAN_ORDER
|
---|
3261 | ByteReverseWords(x, x, AES_BLOCK_SIZE);
|
---|
3262 | #endif
|
---|
3263 | XMEMCPY(s, x, sSz);
|
---|
3264 | }
|
---|
3265 |
|
---|
3266 | #endif /* end GCM_WORD32 */
|
---|
3267 |
|
---|
3268 |
|
---|
3269 | int wc_AesGcmEncrypt(Aes* aes, byte* out, const byte* in, word32 sz,
|
---|
3270 | const byte* iv, word32 ivSz,
|
---|
3271 | byte* authTag, word32 authTagSz,
|
---|
3272 | const byte* authIn, word32 authInSz)
|
---|
3273 | {
|
---|
3274 | word32 blocks = sz / AES_BLOCK_SIZE;
|
---|
3275 | word32 partial = sz % AES_BLOCK_SIZE;
|
---|
3276 | const byte* p = in;
|
---|
3277 | byte* c = out;
|
---|
3278 | byte counter[AES_BLOCK_SIZE];
|
---|
3279 | byte *ctr ;
|
---|
3280 | byte scratch[AES_BLOCK_SIZE];
|
---|
3281 |
|
---|
3282 | WOLFSSL_ENTER("AesGcmEncrypt");
|
---|
3283 |
|
---|
3284 | #ifdef WOLFSSL_PIC32MZ_CRYPT
|
---|
3285 | ctr = (char *)aes->iv_ce ;
|
---|
3286 | #else
|
---|
3287 | ctr = counter ;
|
---|
3288 | #endif
|
---|
3289 |
|
---|
3290 | XMEMSET(ctr, 0, AES_BLOCK_SIZE);
|
---|
3291 | XMEMCPY(ctr, iv, ivSz);
|
---|
3292 | InitGcmCounter(ctr);
|
---|
3293 |
|
---|
3294 | #ifdef WOLFSSL_PIC32MZ_CRYPT
|
---|
3295 | if(blocks)
|
---|
3296 | wc_AesCrypt(aes, out, in, blocks*AES_BLOCK_SIZE,
|
---|
3297 | PIC32_ENCRYPTION, PIC32_ALGO_AES, PIC32_CRYPTOALGO_AES_GCM );
|
---|
3298 | #endif
|
---|
3299 | while (blocks--) {
|
---|
3300 | IncrementGcmCounter(ctr);
|
---|
3301 | #ifndef WOLFSSL_PIC32MZ_CRYPT
|
---|
3302 | wc_AesEncrypt(aes, ctr, scratch);
|
---|
3303 | xorbuf(scratch, p, AES_BLOCK_SIZE);
|
---|
3304 | XMEMCPY(c, scratch, AES_BLOCK_SIZE);
|
---|
3305 | #endif
|
---|
3306 | p += AES_BLOCK_SIZE;
|
---|
3307 | c += AES_BLOCK_SIZE;
|
---|
3308 | }
|
---|
3309 |
|
---|
3310 | if (partial != 0) {
|
---|
3311 | IncrementGcmCounter(ctr);
|
---|
3312 | wc_AesEncrypt(aes, ctr, scratch);
|
---|
3313 | xorbuf(scratch, p, partial);
|
---|
3314 | XMEMCPY(c, scratch, partial);
|
---|
3315 |
|
---|
3316 | }
|
---|
3317 |
|
---|
3318 | GHASH(aes, authIn, authInSz, out, sz, authTag, authTagSz);
|
---|
3319 | InitGcmCounter(ctr);
|
---|
3320 | wc_AesEncrypt(aes, ctr, scratch);
|
---|
3321 | xorbuf(authTag, scratch, authTagSz);
|
---|
3322 |
|
---|
3323 | return 0;
|
---|
3324 | }
|
---|
3325 |
|
---|
3326 |
|
---|
3327 | int wc_AesGcmDecrypt(Aes* aes, byte* out, const byte* in, word32 sz,
|
---|
3328 | const byte* iv, word32 ivSz,
|
---|
3329 | const byte* authTag, word32 authTagSz,
|
---|
3330 | const byte* authIn, word32 authInSz)
|
---|
3331 | {
|
---|
3332 | word32 blocks = sz / AES_BLOCK_SIZE;
|
---|
3333 | word32 partial = sz % AES_BLOCK_SIZE;
|
---|
3334 | const byte* c = in;
|
---|
3335 | byte* p = out;
|
---|
3336 | byte counter[AES_BLOCK_SIZE];
|
---|
3337 | byte *ctr ;
|
---|
3338 | byte scratch[AES_BLOCK_SIZE];
|
---|
3339 |
|
---|
3340 | WOLFSSL_ENTER("AesGcmDecrypt");
|
---|
3341 |
|
---|
3342 | #ifdef WOLFSSL_PIC32MZ_CRYPT
|
---|
3343 | ctr = (char *)aes->iv_ce ;
|
---|
3344 | #else
|
---|
3345 | ctr = counter ;
|
---|
3346 | #endif
|
---|
3347 |
|
---|
3348 | XMEMSET(ctr, 0, AES_BLOCK_SIZE);
|
---|
3349 | XMEMCPY(ctr, iv, ivSz);
|
---|
3350 | InitGcmCounter(ctr);
|
---|
3351 |
|
---|
3352 | /* Calculate the authTag again using the received auth data and the
|
---|
3353 | * cipher text. */
|
---|
3354 | {
|
---|
3355 | byte Tprime[AES_BLOCK_SIZE];
|
---|
3356 | byte EKY0[AES_BLOCK_SIZE];
|
---|
3357 |
|
---|
3358 | GHASH(aes, authIn, authInSz, in, sz, Tprime, sizeof(Tprime));
|
---|
3359 | wc_AesEncrypt(aes, ctr, EKY0);
|
---|
3360 | xorbuf(Tprime, EKY0, sizeof(Tprime));
|
---|
3361 |
|
---|
3362 | if (ConstantCompare(authTag, Tprime, authTagSz) != 0) {
|
---|
3363 | return AES_GCM_AUTH_E;
|
---|
3364 | }
|
---|
3365 | }
|
---|
3366 |
|
---|
3367 | #ifdef WOLFSSL_PIC32MZ_CRYPT
|
---|
3368 | if(blocks)
|
---|
3369 | wc_AesCrypt(aes, out, in, blocks*AES_BLOCK_SIZE,
|
---|
3370 | PIC32_DECRYPTION, PIC32_ALGO_AES, PIC32_CRYPTOALGO_AES_GCM );
|
---|
3371 | #endif
|
---|
3372 |
|
---|
3373 | while (blocks--) {
|
---|
3374 | IncrementGcmCounter(ctr);
|
---|
3375 | #ifndef WOLFSSL_PIC32MZ_CRYPT
|
---|
3376 | wc_AesEncrypt(aes, ctr, scratch);
|
---|
3377 | xorbuf(scratch, c, AES_BLOCK_SIZE);
|
---|
3378 | XMEMCPY(p, scratch, AES_BLOCK_SIZE);
|
---|
3379 | #endif
|
---|
3380 | p += AES_BLOCK_SIZE;
|
---|
3381 | c += AES_BLOCK_SIZE;
|
---|
3382 | }
|
---|
3383 | if (partial != 0) {
|
---|
3384 | IncrementGcmCounter(ctr);
|
---|
3385 | wc_AesEncrypt(aes, ctr, scratch);
|
---|
3386 | xorbuf(scratch, c, partial);
|
---|
3387 | XMEMCPY(p, scratch, partial);
|
---|
3388 | }
|
---|
3389 | return 0;
|
---|
3390 | }
|
---|
3391 |
|
---|
3392 |
|
---|
3393 |
|
---|
3394 | WOLFSSL_API int wc_GmacSetKey(Gmac* gmac, const byte* key, word32 len)
|
---|
3395 | {
|
---|
3396 | return wc_AesGcmSetKey(&gmac->aes, key, len);
|
---|
3397 | }
|
---|
3398 |
|
---|
3399 |
|
---|
3400 | WOLFSSL_API int wc_GmacUpdate(Gmac* gmac, const byte* iv, word32 ivSz,
|
---|
3401 | const byte* authIn, word32 authInSz,
|
---|
3402 | byte* authTag, word32 authTagSz)
|
---|
3403 | {
|
---|
3404 | return wc_AesGcmEncrypt(&gmac->aes, NULL, NULL, 0, iv, ivSz,
|
---|
3405 | authTag, authTagSz, authIn, authInSz);
|
---|
3406 | }
|
---|
3407 |
|
---|
3408 | #endif /* HAVE_AESGCM */
|
---|
3409 |
|
---|
3410 |
|
---|
3411 | #ifdef HAVE_AESCCM
|
---|
3412 |
|
---|
3413 | #ifdef STM32F2_CRYPTO
|
---|
3414 | #error "STM32F2 crypto doesn't currently support AES-CCM mode"
|
---|
3415 |
|
---|
3416 | #elif defined(HAVE_COLDFIRE_SEC)
|
---|
3417 | #error "Coldfire SEC doesn't currently support AES-CCM mode"
|
---|
3418 |
|
---|
3419 | #elif defined(WOLFSSL_PIC32MZ_CRYPT)
|
---|
3420 | #error "PIC32MZ doesn't currently support AES-CCM mode"
|
---|
3421 |
|
---|
3422 | #endif
|
---|
3423 |
|
---|
3424 | void wc_AesCcmSetKey(Aes* aes, const byte* key, word32 keySz)
|
---|
3425 | {
|
---|
3426 | byte nonce[AES_BLOCK_SIZE];
|
---|
3427 |
|
---|
3428 | if (!((keySz == 16) || (keySz == 24) || (keySz == 32)))
|
---|
3429 | return;
|
---|
3430 |
|
---|
3431 | XMEMSET(nonce, 0, sizeof(nonce));
|
---|
3432 | wc_AesSetKey(aes, key, keySz, nonce, AES_ENCRYPTION);
|
---|
3433 | }
|
---|
3434 |
|
---|
3435 |
|
---|
3436 | static void roll_x(Aes* aes, const byte* in, word32 inSz, byte* out)
|
---|
3437 | {
|
---|
3438 | /* process the bulk of the data */
|
---|
3439 | while (inSz >= AES_BLOCK_SIZE) {
|
---|
3440 | xorbuf(out, in, AES_BLOCK_SIZE);
|
---|
3441 | in += AES_BLOCK_SIZE;
|
---|
3442 | inSz -= AES_BLOCK_SIZE;
|
---|
3443 |
|
---|
3444 | wc_AesEncrypt(aes, out, out);
|
---|
3445 | }
|
---|
3446 |
|
---|
3447 | /* process remainder of the data */
|
---|
3448 | if (inSz > 0) {
|
---|
3449 | xorbuf(out, in, inSz);
|
---|
3450 | wc_AesEncrypt(aes, out, out);
|
---|
3451 | }
|
---|
3452 | }
|
---|
3453 |
|
---|
3454 |
|
---|
3455 | static void roll_auth(Aes* aes, const byte* in, word32 inSz, byte* out)
|
---|
3456 | {
|
---|
3457 | word32 authLenSz;
|
---|
3458 | word32 remainder;
|
---|
3459 |
|
---|
3460 | /* encode the length in */
|
---|
3461 | if (inSz <= 0xFEFF) {
|
---|
3462 | authLenSz = 2;
|
---|
3463 | out[0] ^= ((inSz & 0xFF00) >> 8);
|
---|
3464 | out[1] ^= (inSz & 0x00FF);
|
---|
3465 | }
|
---|
3466 | else if (inSz <= 0xFFFFFFFF) {
|
---|
3467 | authLenSz = 6;
|
---|
3468 | out[0] ^= 0xFF; out[1] ^= 0xFE;
|
---|
3469 | out[2] ^= ((inSz & 0xFF000000) >> 24);
|
---|
3470 | out[3] ^= ((inSz & 0x00FF0000) >> 16);
|
---|
3471 | out[4] ^= ((inSz & 0x0000FF00) >> 8);
|
---|
3472 | out[5] ^= (inSz & 0x000000FF);
|
---|
3473 | }
|
---|
3474 | /* Note, the protocol handles auth data up to 2^64, but we are
|
---|
3475 | * using 32-bit sizes right now, so the bigger data isn't handled
|
---|
3476 | * else if (inSz <= 0xFFFFFFFFFFFFFFFF) {} */
|
---|
3477 | else
|
---|
3478 | return;
|
---|
3479 |
|
---|
3480 | /* start fill out the rest of the first block */
|
---|
3481 | remainder = AES_BLOCK_SIZE - authLenSz;
|
---|
3482 | if (inSz >= remainder) {
|
---|
3483 | /* plenty of bulk data to fill the remainder of this block */
|
---|
3484 | xorbuf(out + authLenSz, in, remainder);
|
---|
3485 | inSz -= remainder;
|
---|
3486 | in += remainder;
|
---|
3487 | }
|
---|
3488 | else {
|
---|
3489 | /* not enough bulk data, copy what is available, and pad zero */
|
---|
3490 | xorbuf(out + authLenSz, in, inSz);
|
---|
3491 | inSz = 0;
|
---|
3492 | }
|
---|
3493 | wc_AesEncrypt(aes, out, out);
|
---|
3494 |
|
---|
3495 | if (inSz > 0)
|
---|
3496 | roll_x(aes, in, inSz, out);
|
---|
3497 | }
|
---|
3498 |
|
---|
3499 |
|
---|
3500 | static INLINE void AesCcmCtrInc(byte* B, word32 lenSz)
|
---|
3501 | {
|
---|
3502 | word32 i;
|
---|
3503 |
|
---|
3504 | for (i = 0; i < lenSz; i++) {
|
---|
3505 | if (++B[AES_BLOCK_SIZE - 1 - i] != 0) return;
|
---|
3506 | }
|
---|
3507 | }
|
---|
3508 |
|
---|
3509 |
|
---|
3510 | /* return 0 on success */
|
---|
3511 | int wc_AesCcmEncrypt(Aes* aes, byte* out, const byte* in, word32 inSz,
|
---|
3512 | const byte* nonce, word32 nonceSz,
|
---|
3513 | byte* authTag, word32 authTagSz,
|
---|
3514 | const byte* authIn, word32 authInSz)
|
---|
3515 | {
|
---|
3516 | byte A[AES_BLOCK_SIZE];
|
---|
3517 | byte B[AES_BLOCK_SIZE];
|
---|
3518 | byte lenSz;
|
---|
3519 | word32 i;
|
---|
3520 | byte mask = 0xFF;
|
---|
3521 | word32 wordSz = (word32)sizeof(word32);
|
---|
3522 |
|
---|
3523 | /* sanity check on arugments */
|
---|
3524 | if (aes == NULL || out == NULL || in == NULL || nonce == NULL
|
---|
3525 | || authTag == NULL || nonceSz < 7 || nonceSz > 13)
|
---|
3526 | return BAD_FUNC_ARG;
|
---|
3527 |
|
---|
3528 | XMEMCPY(B+1, nonce, nonceSz);
|
---|
3529 | lenSz = AES_BLOCK_SIZE - 1 - (byte)nonceSz;
|
---|
3530 | B[0] = (authInSz > 0 ? 64 : 0)
|
---|
3531 | + (8 * (((byte)authTagSz - 2) / 2))
|
---|
3532 | + (lenSz - 1);
|
---|
3533 | for (i = 0; i < lenSz; i++) {
|
---|
3534 | if (mask && i >= wordSz)
|
---|
3535 | mask = 0x00;
|
---|
3536 | B[AES_BLOCK_SIZE - 1 - i] = (inSz >> ((8 * i) & mask)) & mask;
|
---|
3537 | }
|
---|
3538 |
|
---|
3539 | wc_AesEncrypt(aes, B, A);
|
---|
3540 |
|
---|
3541 | if (authInSz > 0)
|
---|
3542 | roll_auth(aes, authIn, authInSz, A);
|
---|
3543 | if (inSz > 0)
|
---|
3544 | roll_x(aes, in, inSz, A);
|
---|
3545 | XMEMCPY(authTag, A, authTagSz);
|
---|
3546 |
|
---|
3547 | B[0] = lenSz - 1;
|
---|
3548 | for (i = 0; i < lenSz; i++)
|
---|
3549 | B[AES_BLOCK_SIZE - 1 - i] = 0;
|
---|
3550 | wc_AesEncrypt(aes, B, A);
|
---|
3551 | xorbuf(authTag, A, authTagSz);
|
---|
3552 |
|
---|
3553 | B[15] = 1;
|
---|
3554 | while (inSz >= AES_BLOCK_SIZE) {
|
---|
3555 | wc_AesEncrypt(aes, B, A);
|
---|
3556 | xorbuf(A, in, AES_BLOCK_SIZE);
|
---|
3557 | XMEMCPY(out, A, AES_BLOCK_SIZE);
|
---|
3558 |
|
---|
3559 | AesCcmCtrInc(B, lenSz);
|
---|
3560 | inSz -= AES_BLOCK_SIZE;
|
---|
3561 | in += AES_BLOCK_SIZE;
|
---|
3562 | out += AES_BLOCK_SIZE;
|
---|
3563 | }
|
---|
3564 | if (inSz > 0) {
|
---|
3565 | wc_AesEncrypt(aes, B, A);
|
---|
3566 | xorbuf(A, in, inSz);
|
---|
3567 | XMEMCPY(out, A, inSz);
|
---|
3568 | }
|
---|
3569 |
|
---|
3570 | ForceZero(A, AES_BLOCK_SIZE);
|
---|
3571 | ForceZero(B, AES_BLOCK_SIZE);
|
---|
3572 |
|
---|
3573 | return 0;
|
---|
3574 | }
|
---|
3575 |
|
---|
3576 |
|
---|
3577 | int wc_AesCcmDecrypt(Aes* aes, byte* out, const byte* in, word32 inSz,
|
---|
3578 | const byte* nonce, word32 nonceSz,
|
---|
3579 | const byte* authTag, word32 authTagSz,
|
---|
3580 | const byte* authIn, word32 authInSz)
|
---|
3581 | {
|
---|
3582 | byte A[AES_BLOCK_SIZE];
|
---|
3583 | byte B[AES_BLOCK_SIZE];
|
---|
3584 | byte* o;
|
---|
3585 | byte lenSz;
|
---|
3586 | word32 i, oSz;
|
---|
3587 | int result = 0;
|
---|
3588 | byte mask = 0xFF;
|
---|
3589 | word32 wordSz = (word32)sizeof(word32);
|
---|
3590 |
|
---|
3591 | /* sanity check on arugments */
|
---|
3592 | if (aes == NULL || out == NULL || in == NULL || nonce == NULL
|
---|
3593 | || authTag == NULL || nonceSz < 7 || nonceSz > 13)
|
---|
3594 | return BAD_FUNC_ARG;
|
---|
3595 |
|
---|
3596 | o = out;
|
---|
3597 | oSz = inSz;
|
---|
3598 | XMEMCPY(B+1, nonce, nonceSz);
|
---|
3599 | lenSz = AES_BLOCK_SIZE - 1 - (byte)nonceSz;
|
---|
3600 |
|
---|
3601 | B[0] = lenSz - 1;
|
---|
3602 | for (i = 0; i < lenSz; i++)
|
---|
3603 | B[AES_BLOCK_SIZE - 1 - i] = 0;
|
---|
3604 | B[15] = 1;
|
---|
3605 |
|
---|
3606 | while (oSz >= AES_BLOCK_SIZE) {
|
---|
3607 | wc_AesEncrypt(aes, B, A);
|
---|
3608 | xorbuf(A, in, AES_BLOCK_SIZE);
|
---|
3609 | XMEMCPY(o, A, AES_BLOCK_SIZE);
|
---|
3610 |
|
---|
3611 | AesCcmCtrInc(B, lenSz);
|
---|
3612 | oSz -= AES_BLOCK_SIZE;
|
---|
3613 | in += AES_BLOCK_SIZE;
|
---|
3614 | o += AES_BLOCK_SIZE;
|
---|
3615 | }
|
---|
3616 | if (inSz > 0) {
|
---|
3617 | wc_AesEncrypt(aes, B, A);
|
---|
3618 | xorbuf(A, in, oSz);
|
---|
3619 | XMEMCPY(o, A, oSz);
|
---|
3620 | }
|
---|
3621 |
|
---|
3622 | for (i = 0; i < lenSz; i++)
|
---|
3623 | B[AES_BLOCK_SIZE - 1 - i] = 0;
|
---|
3624 | wc_AesEncrypt(aes, B, A);
|
---|
3625 |
|
---|
3626 | o = out;
|
---|
3627 | oSz = inSz;
|
---|
3628 |
|
---|
3629 | B[0] = (authInSz > 0 ? 64 : 0)
|
---|
3630 | + (8 * (((byte)authTagSz - 2) / 2))
|
---|
3631 | + (lenSz - 1);
|
---|
3632 | for (i = 0; i < lenSz; i++) {
|
---|
3633 | if (mask && i >= wordSz)
|
---|
3634 | mask = 0x00;
|
---|
3635 | B[AES_BLOCK_SIZE - 1 - i] = (inSz >> ((8 * i) & mask)) & mask;
|
---|
3636 | }
|
---|
3637 |
|
---|
3638 | wc_AesEncrypt(aes, B, A);
|
---|
3639 |
|
---|
3640 | if (authInSz > 0)
|
---|
3641 | roll_auth(aes, authIn, authInSz, A);
|
---|
3642 | if (inSz > 0)
|
---|
3643 | roll_x(aes, o, oSz, A);
|
---|
3644 |
|
---|
3645 | B[0] = lenSz - 1;
|
---|
3646 | for (i = 0; i < lenSz; i++)
|
---|
3647 | B[AES_BLOCK_SIZE - 1 - i] = 0;
|
---|
3648 | wc_AesEncrypt(aes, B, B);
|
---|
3649 | xorbuf(A, B, authTagSz);
|
---|
3650 |
|
---|
3651 | if (ConstantCompare(A, authTag, authTagSz) != 0) {
|
---|
3652 | /* If the authTag check fails, don't keep the decrypted data.
|
---|
3653 | * Unfortunately, you need the decrypted data to calculate the
|
---|
3654 | * check value. */
|
---|
3655 | XMEMSET(out, 0, inSz);
|
---|
3656 | result = AES_CCM_AUTH_E;
|
---|
3657 | }
|
---|
3658 |
|
---|
3659 | ForceZero(A, AES_BLOCK_SIZE);
|
---|
3660 | ForceZero(B, AES_BLOCK_SIZE);
|
---|
3661 | o = NULL;
|
---|
3662 |
|
---|
3663 | return result;
|
---|
3664 | }
|
---|
3665 |
|
---|
3666 | #endif /* HAVE_AESCCM */
|
---|
3667 |
|
---|
3668 |
|
---|
3669 | #ifdef HAVE_CAVIUM
|
---|
3670 |
|
---|
3671 | #include <wolfssl/ctaocrypt/logging.h>
|
---|
3672 | #include "cavium_common.h"
|
---|
3673 |
|
---|
3674 | /* Initiliaze Aes for use with Nitrox device */
|
---|
3675 | int wc_AesInitCavium(Aes* aes, int devId)
|
---|
3676 | {
|
---|
3677 | if (aes == NULL)
|
---|
3678 | return -1;
|
---|
3679 |
|
---|
3680 | if (CspAllocContext(CONTEXT_SSL, &aes->contextHandle, devId) != 0)
|
---|
3681 | return -1;
|
---|
3682 |
|
---|
3683 | aes->devId = devId;
|
---|
3684 | aes->magic = WOLFSSL_AES_CAVIUM_MAGIC;
|
---|
3685 |
|
---|
3686 | return 0;
|
---|
3687 | }
|
---|
3688 |
|
---|
3689 |
|
---|
3690 | /* Free Aes from use with Nitrox device */
|
---|
3691 | void wc_AesFreeCavium(Aes* aes)
|
---|
3692 | {
|
---|
3693 | if (aes == NULL)
|
---|
3694 | return;
|
---|
3695 |
|
---|
3696 | if (aes->magic != WOLFSSL_AES_CAVIUM_MAGIC)
|
---|
3697 | return;
|
---|
3698 |
|
---|
3699 | CspFreeContext(CONTEXT_SSL, aes->contextHandle, aes->devId);
|
---|
3700 | aes->magic = 0;
|
---|
3701 | }
|
---|
3702 |
|
---|
3703 |
|
---|
3704 | static int wc_AesCaviumSetKey(Aes* aes, const byte* key, word32 length,
|
---|
3705 | const byte* iv)
|
---|
3706 | {
|
---|
3707 | if (aes == NULL)
|
---|
3708 | return -1;
|
---|
3709 |
|
---|
3710 | XMEMCPY(aes->key, key, length); /* key still holds key, iv still in reg */
|
---|
3711 | if (length == 16)
|
---|
3712 | aes->type = AES_128;
|
---|
3713 | else if (length == 24)
|
---|
3714 | aes->type = AES_192;
|
---|
3715 | else if (length == 32)
|
---|
3716 | aes->type = AES_256;
|
---|
3717 |
|
---|
3718 | return wc_AesSetIV(aes, iv);
|
---|
3719 | }
|
---|
3720 |
|
---|
3721 |
|
---|
3722 | static int AesCaviumCbcEncrypt(Aes* aes, byte* out, const byte* in,
|
---|
3723 | word32 length)
|
---|
3724 | {
|
---|
3725 | wolfssl_word offset = 0;
|
---|
3726 | word32 requestId;
|
---|
3727 |
|
---|
3728 | while (length > WOLFSSL_MAX_16BIT) {
|
---|
3729 | word16 slen = (word16)WOLFSSL_MAX_16BIT;
|
---|
3730 | if (CspEncryptAes(CAVIUM_BLOCKING, aes->contextHandle, CAVIUM_NO_UPDATE,
|
---|
3731 | aes->type, slen, (byte*)in + offset, out + offset,
|
---|
3732 | (byte*)aes->reg, (byte*)aes->key, &requestId,
|
---|
3733 | aes->devId) != 0) {
|
---|
3734 | WOLFSSL_MSG("Bad Cavium Aes Encrypt");
|
---|
3735 | return -1;
|
---|
3736 | }
|
---|
3737 | length -= WOLFSSL_MAX_16BIT;
|
---|
3738 | offset += WOLFSSL_MAX_16BIT;
|
---|
3739 | XMEMCPY(aes->reg, out + offset - AES_BLOCK_SIZE, AES_BLOCK_SIZE);
|
---|
3740 | }
|
---|
3741 | if (length) {
|
---|
3742 | word16 slen = (word16)length;
|
---|
3743 | if (CspEncryptAes(CAVIUM_BLOCKING, aes->contextHandle, CAVIUM_NO_UPDATE,
|
---|
3744 | aes->type, slen, (byte*)in + offset, out + offset,
|
---|
3745 | (byte*)aes->reg, (byte*)aes->key, &requestId,
|
---|
3746 | aes->devId) != 0) {
|
---|
3747 | WOLFSSL_MSG("Bad Cavium Aes Encrypt");
|
---|
3748 | return -1;
|
---|
3749 | }
|
---|
3750 | XMEMCPY(aes->reg, out + offset+length - AES_BLOCK_SIZE, AES_BLOCK_SIZE);
|
---|
3751 | }
|
---|
3752 | return 0;
|
---|
3753 | }
|
---|
3754 |
|
---|
3755 | static int AesCaviumCbcDecrypt(Aes* aes, byte* out, const byte* in,
|
---|
3756 | word32 length)
|
---|
3757 | {
|
---|
3758 | word32 requestId;
|
---|
3759 | wolfssl_word offset = 0;
|
---|
3760 |
|
---|
3761 | while (length > WOLFSSL_MAX_16BIT) {
|
---|
3762 | word16 slen = (word16)WOLFSSL_MAX_16BIT;
|
---|
3763 | XMEMCPY(aes->tmp, in + offset + slen - AES_BLOCK_SIZE, AES_BLOCK_SIZE);
|
---|
3764 | if (CspDecryptAes(CAVIUM_BLOCKING, aes->contextHandle, CAVIUM_NO_UPDATE,
|
---|
3765 | aes->type, slen, (byte*)in + offset, out + offset,
|
---|
3766 | (byte*)aes->reg, (byte*)aes->key, &requestId,
|
---|
3767 | aes->devId) != 0) {
|
---|
3768 | WOLFSSL_MSG("Bad Cavium Aes Decrypt");
|
---|
3769 | return -1;
|
---|
3770 | }
|
---|
3771 | length -= WOLFSSL_MAX_16BIT;
|
---|
3772 | offset += WOLFSSL_MAX_16BIT;
|
---|
3773 | XMEMCPY(aes->reg, aes->tmp, AES_BLOCK_SIZE);
|
---|
3774 | }
|
---|
3775 | if (length) {
|
---|
3776 | word16 slen = (word16)length;
|
---|
3777 | XMEMCPY(aes->tmp, in + offset + slen - AES_BLOCK_SIZE, AES_BLOCK_SIZE);
|
---|
3778 | if (CspDecryptAes(CAVIUM_BLOCKING, aes->contextHandle, CAVIUM_NO_UPDATE,
|
---|
3779 | aes->type, slen, (byte*)in + offset, out + offset,
|
---|
3780 | (byte*)aes->reg, (byte*)aes->key, &requestId,
|
---|
3781 | aes->devId) != 0) {
|
---|
3782 | WOLFSSL_MSG("Bad Cavium Aes Decrypt");
|
---|
3783 | return -1;
|
---|
3784 | }
|
---|
3785 | XMEMCPY(aes->reg, aes->tmp, AES_BLOCK_SIZE);
|
---|
3786 | }
|
---|
3787 | return 0;
|
---|
3788 | }
|
---|
3789 |
|
---|
3790 | #endif /* HAVE_CAVIUM */
|
---|
3791 |
|
---|
3792 | #endif /* WOLFSSL_TI_CRYPT */
|
---|
3793 |
|
---|
3794 | #endif /* HAVE_FIPS */
|
---|
3795 |
|
---|
3796 | #endif /* NO_AES */
|
---|