Mercurial > dropbear
annotate libtomcrypt/src/hashes/whirl/whirl.c @ 1662:8a7d26e86a56
Set SSH_ORIGINAL_COMMAND for "dropbear -c" too, fix build without
DROPBEAR_SVR_PUBKEY_OPTIONS
author | Matt Johnston <matt@ucc.asn.au> |
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date | Sat, 14 Mar 2020 23:28:18 +0800 |
parents | 6dba84798cd5 |
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1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis |
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2 * |
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3 * LibTomCrypt is a library that provides various cryptographic |
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4 * algorithms in a highly modular and flexible manner. |
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5 * |
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6 * The library is free for all purposes without any express |
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7 * guarantee it works. |
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8 */ |
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9 |
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10 /** |
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11 @file whirl.c |
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12 LTC_WHIRLPOOL (using their new sbox) hash function by Tom St Denis |
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13 */ |
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14 |
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15 #include "tomcrypt.h" |
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16 |
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17 #ifdef LTC_WHIRLPOOL |
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18 |
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19 const struct ltc_hash_descriptor whirlpool_desc = |
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20 { |
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21 "whirlpool", |
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22 11, |
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23 64, |
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24 64, |
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25 |
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26 /* OID */ |
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27 { 1, 0, 10118, 3, 0, 55 }, |
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28 6, |
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29 |
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30 &whirlpool_init, |
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31 &whirlpool_process, |
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32 &whirlpool_done, |
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33 &whirlpool_test, |
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34 NULL |
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35 }; |
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36 |
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37 /* the sboxes */ |
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38 #define __LTC_WHIRLTAB_C__ |
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39 #include "whirltab.c" |
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40 |
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41 /* get a_{i,j} */ |
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42 #define GB(a,i,j) ((a[(i) & 7] >> (8 * (j))) & 255) |
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43 |
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44 /* shortcut macro to perform three functions at once */ |
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45 #define theta_pi_gamma(a, i) \ |
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46 (SB0(GB(a, i-0, 7)) ^ \ |
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47 SB1(GB(a, i-1, 6)) ^ \ |
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48 SB2(GB(a, i-2, 5)) ^ \ |
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49 SB3(GB(a, i-3, 4)) ^ \ |
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50 SB4(GB(a, i-4, 3)) ^ \ |
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51 SB5(GB(a, i-5, 2)) ^ \ |
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52 SB6(GB(a, i-6, 1)) ^ \ |
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53 SB7(GB(a, i-7, 0))) |
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54 |
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55 #ifdef LTC_CLEAN_STACK |
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56 static int _whirlpool_compress(hash_state *md, unsigned char *buf) |
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57 #else |
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58 static int whirlpool_compress(hash_state *md, unsigned char *buf) |
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59 #endif |
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60 { |
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61 ulong64 K[2][8], T[3][8]; |
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62 int x, y; |
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63 |
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64 /* load the block/state */ |
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65 for (x = 0; x < 8; x++) { |
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66 K[0][x] = md->whirlpool.state[x]; |
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67 |
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68 LOAD64H(T[0][x], buf + (8 * x)); |
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69 T[2][x] = T[0][x]; |
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70 T[0][x] ^= K[0][x]; |
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71 } |
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72 |
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73 /* do rounds 1..10 */ |
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74 for (x = 0; x < 10; x += 2) { |
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75 /* odd round */ |
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76 /* apply main transform to K[0] into K[1] */ |
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77 for (y = 0; y < 8; y++) { |
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78 K[1][y] = theta_pi_gamma(K[0], y); |
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79 } |
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80 /* xor the constant */ |
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81 K[1][0] ^= cont[x]; |
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82 |
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83 /* apply main transform to T[0] into T[1] */ |
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84 for (y = 0; y < 8; y++) { |
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85 T[1][y] = theta_pi_gamma(T[0], y) ^ K[1][y]; |
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86 } |
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87 |
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88 /* even round */ |
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89 /* apply main transform to K[1] into K[0] */ |
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90 for (y = 0; y < 8; y++) { |
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91 K[0][y] = theta_pi_gamma(K[1], y); |
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92 } |
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93 /* xor the constant */ |
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94 K[0][0] ^= cont[x+1]; |
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95 |
285
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96 /* apply main transform to T[1] into T[0] */ |
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97 for (y = 0; y < 8; y++) { |
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98 T[0][y] = theta_pi_gamma(T[1], y) ^ K[0][y]; |
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99 } |
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100 } |
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101 |
285
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102 /* store state */ |
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103 for (x = 0; x < 8; x++) { |
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104 md->whirlpool.state[x] ^= T[0][x] ^ T[2][x]; |
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105 } |
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106 |
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107 return CRYPT_OK; |
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108 } |
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109 |
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110 |
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111 #ifdef LTC_CLEAN_STACK |
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112 static int whirlpool_compress(hash_state *md, unsigned char *buf) |
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113 { |
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114 int err; |
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115 err = _whirlpool_compress(md, buf); |
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116 burn_stack((5 * 8 * sizeof(ulong64)) + (2 * sizeof(int))); |
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117 return err; |
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118 } |
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119 #endif |
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120 |
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121 |
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122 /** |
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123 Initialize the hash state |
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124 @param md The hash state you wish to initialize |
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125 @return CRYPT_OK if successful |
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126 */ |
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127 int whirlpool_init(hash_state * md) |
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128 { |
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129 LTC_ARGCHK(md != NULL); |
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130 zeromem(&md->whirlpool, sizeof(md->whirlpool)); |
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131 return CRYPT_OK; |
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132 } |
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133 |
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134 /** |
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135 Process a block of memory though the hash |
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136 @param md The hash state |
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137 @param in The data to hash |
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138 @param inlen The length of the data (octets) |
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139 @return CRYPT_OK if successful |
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140 */ |
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141 HASH_PROCESS(whirlpool_process, whirlpool_compress, whirlpool, 64) |
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142 |
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143 /** |
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144 Terminate the hash to get the digest |
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145 @param md The hash state |
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146 @param out [out] The destination of the hash (64 bytes) |
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147 @return CRYPT_OK if successful |
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148 */ |
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149 int whirlpool_done(hash_state * md, unsigned char *out) |
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150 { |
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151 int i; |
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152 |
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153 LTC_ARGCHK(md != NULL); |
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154 LTC_ARGCHK(out != NULL); |
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155 |
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156 if (md->whirlpool.curlen >= sizeof(md->whirlpool.buf)) { |
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157 return CRYPT_INVALID_ARG; |
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158 } |
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159 |
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160 /* increase the length of the message */ |
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161 md->whirlpool.length += md->whirlpool.curlen * 8; |
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162 |
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163 /* append the '1' bit */ |
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164 md->whirlpool.buf[md->whirlpool.curlen++] = (unsigned char)0x80; |
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165 |
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166 /* if the length is currently above 32 bytes we append zeros |
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167 * then compress. Then we can fall back to padding zeros and length |
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168 * encoding like normal. |
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169 */ |
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170 if (md->whirlpool.curlen > 32) { |
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171 while (md->whirlpool.curlen < 64) { |
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172 md->whirlpool.buf[md->whirlpool.curlen++] = (unsigned char)0; |
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173 } |
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174 whirlpool_compress(md, md->whirlpool.buf); |
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175 md->whirlpool.curlen = 0; |
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176 } |
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177 |
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178 /* pad upto 56 bytes of zeroes (should be 32 but we only support 64-bit lengths) */ |
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179 while (md->whirlpool.curlen < 56) { |
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180 md->whirlpool.buf[md->whirlpool.curlen++] = (unsigned char)0; |
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181 } |
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182 |
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183 /* store length */ |
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184 STORE64H(md->whirlpool.length, md->whirlpool.buf+56); |
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185 whirlpool_compress(md, md->whirlpool.buf); |
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186 |
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187 /* copy output */ |
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188 for (i = 0; i < 8; i++) { |
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189 STORE64H(md->whirlpool.state[i], out+(8*i)); |
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190 } |
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191 #ifdef LTC_CLEAN_STACK |
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192 zeromem(md, sizeof(*md)); |
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193 #endif |
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194 return CRYPT_OK; |
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195 } |
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196 |
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197 /** |
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198 Self-test the hash |
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199 @return CRYPT_OK if successful, CRYPT_NOP if self-tests have been disabled |
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200 */ |
285
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201 int whirlpool_test(void) |
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202 { |
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203 #ifndef LTC_TEST |
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204 return CRYPT_NOP; |
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205 #else |
285
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206 static const struct { |
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207 int len; |
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208 unsigned char msg[128], hash[64]; |
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209 } tests[] = { |
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210 |
285
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211 /* NULL Message */ |
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212 { |
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213 0, |
285
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214 { 0x00 }, |
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215 { 0x19, 0xFA, 0x61, 0xD7, 0x55, 0x22, 0xA4, 0x66, 0x9B, 0x44, 0xE3, 0x9C, 0x1D, 0x2E, 0x17, 0x26, |
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216 0xC5, 0x30, 0x23, 0x21, 0x30, 0xD4, 0x07, 0xF8, 0x9A, 0xFE, 0xE0, 0x96, 0x49, 0x97, 0xF7, 0xA7, |
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217 0x3E, 0x83, 0xBE, 0x69, 0x8B, 0x28, 0x8F, 0xEB, 0xCF, 0x88, 0xE3, 0xE0, 0x3C, 0x4F, 0x07, 0x57, |
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218 0xEA, 0x89, 0x64, 0xE5, 0x9B, 0x63, 0xD9, 0x37, 0x08, 0xB1, 0x38, 0xCC, 0x42, 0xA6, 0x6E, 0xB3 } |
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219 }, |
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220 |
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221 |
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222 /* 448-bits of 0 bits */ |
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223 { |
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224 |
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225 56, |
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226 { 0x00 }, |
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227 { 0x0B, 0x3F, 0x53, 0x78, 0xEB, 0xED, 0x2B, 0xF4, 0xD7, 0xBE, 0x3C, 0xFD, 0x81, 0x8C, 0x1B, 0x03, |
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228 0xB6, 0xBB, 0x03, 0xD3, 0x46, 0x94, 0x8B, 0x04, 0xF4, 0xF4, 0x0C, 0x72, 0x6F, 0x07, 0x58, 0x70, |
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229 0x2A, 0x0F, 0x1E, 0x22, 0x58, 0x80, 0xE3, 0x8D, 0xD5, 0xF6, 0xED, 0x6D, 0xE9, 0xB1, 0xE9, 0x61, |
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230 0xE4, 0x9F, 0xC1, 0x31, 0x8D, 0x7C, 0xB7, 0x48, 0x22, 0xF3, 0xD0, 0xE2, 0xE9, 0xA7, 0xE7, 0xB0 } |
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231 }, |
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232 |
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233 /* 520-bits of 0 bits */ |
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234 { |
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235 65, |
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236 { 0x00 }, |
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237 { 0x85, 0xE1, 0x24, 0xC4, 0x41, 0x5B, 0xCF, 0x43, 0x19, 0x54, 0x3E, 0x3A, 0x63, 0xFF, 0x57, 0x1D, |
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238 0x09, 0x35, 0x4C, 0xEE, 0xBE, 0xE1, 0xE3, 0x25, 0x30, 0x8C, 0x90, 0x69, 0xF4, 0x3E, 0x2A, 0xE4, |
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239 0xD0, 0xE5, 0x1D, 0x4E, 0xB1, 0xE8, 0x64, 0x28, 0x70, 0x19, 0x4E, 0x95, 0x30, 0xD8, 0xD8, 0xAF, |
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240 0x65, 0x89, 0xD1, 0xBF, 0x69, 0x49, 0xDD, 0xF9, 0x0A, 0x7F, 0x12, 0x08, 0x62, 0x37, 0x95, 0xB9 } |
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241 }, |
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242 |
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243 /* 512-bits, leading set */ |
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244 { |
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245 64, |
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246 { 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
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247 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
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248 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
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249 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, |
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250 { 0x10, 0x3E, 0x00, 0x55, 0xA9, 0xB0, 0x90, 0xE1, 0x1C, 0x8F, 0xDD, 0xEB, 0xBA, 0x06, 0xC0, 0x5A, |
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251 0xCE, 0x8B, 0x64, 0xB8, 0x96, 0x12, 0x8F, 0x6E, 0xED, 0x30, 0x71, 0xFC, 0xF3, 0xDC, 0x16, 0x94, |
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252 0x67, 0x78, 0xE0, 0x72, 0x23, 0x23, 0x3F, 0xD1, 0x80, 0xFC, 0x40, 0xCC, 0xDB, 0x84, 0x30, 0xA6, |
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253 0x40, 0xE3, 0x76, 0x34, 0x27, 0x1E, 0x65, 0x5C, 0xA1, 0x67, 0x4E, 0xBF, 0xF5, 0x07, 0xF8, 0xCB } |
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254 }, |
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255 |
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256 /* 512-bits, leading set of second byte */ |
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257 { |
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258 64, |
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259 { 0x00, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
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260 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
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261 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
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262 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, |
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263 { 0x35, 0x7B, 0x42, 0xEA, 0x79, 0xBC, 0x97, 0x86, 0x97, 0x5A, 0x3C, 0x44, 0x70, 0xAA, 0xB2, 0x3E, |
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264 0x62, 0x29, 0x79, 0x7B, 0xAD, 0xBD, 0x54, 0x36, 0x5B, 0x54, 0x96, 0xE5, 0x5D, 0x9D, 0xD7, 0x9F, |
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265 0xE9, 0x62, 0x4F, 0xB4, 0x22, 0x66, 0x93, 0x0A, 0x62, 0x8E, 0xD4, 0xDB, 0x08, 0xF9, 0xDD, 0x35, |
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266 0xEF, 0x1B, 0xE1, 0x04, 0x53, 0xFC, 0x18, 0xF4, 0x2C, 0x7F, 0x5E, 0x1F, 0x9B, 0xAE, 0x55, 0xE0 } |
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267 }, |
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268 |
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269 /* 512-bits, leading set of last byte */ |
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270 { |
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271 64, |
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272 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
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273 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
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274 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
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275 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80 }, |
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276 { 0x8B, 0x39, 0x04, 0xDD, 0x19, 0x81, 0x41, 0x26, 0xFD, 0x02, 0x74, 0xAB, 0x49, 0xC5, 0x97, 0xF6, |
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277 0xD7, 0x75, 0x33, 0x52, 0xA2, 0xDD, 0x91, 0xFD, 0x8F, 0x9F, 0x54, 0x05, 0x4C, 0x54, 0xBF, 0x0F, |
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278 0x06, 0xDB, 0x4F, 0xF7, 0x08, 0xA3, 0xA2, 0x8B, 0xC3, 0x7A, 0x92, 0x1E, 0xEE, 0x11, 0xED, 0x7B, |
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279 0x6A, 0x53, 0x79, 0x32, 0xCC, 0x5E, 0x94, 0xEE, 0x1E, 0xA6, 0x57, 0x60, 0x7E, 0x36, 0xC9, 0xF7 } |
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280 }, |
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281 |
285
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282 }; |
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283 |
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284 int i; |
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285 unsigned char tmp[64]; |
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286 hash_state md; |
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287 |
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288 for (i = 0; i < (int)(sizeof(tests)/sizeof(tests[0])); i++) { |
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289 whirlpool_init(&md); |
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290 whirlpool_process(&md, (unsigned char *)tests[i].msg, tests[i].len); |
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291 whirlpool_done(&md, tmp); |
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292 if (compare_testvector(tmp, sizeof(tmp), tests[i].hash, sizeof(tests[i].hash), "WHIRLPOOL", i)) { |
285
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293 return CRYPT_FAIL_TESTVECTOR; |
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294 } |
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295 } |
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296 return CRYPT_OK; |
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297 #endif |
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298 } |
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299 |
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300 |
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301 #endif |
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302 |
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303 |
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304 /* ref: $Format:%D$ */ |
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305 /* git commit: $Format:%H$ */ |
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306 /* commit time: $Format:%ai$ */ |