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1 /* crypto/md5/md5_dgst.c */ |
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2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
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3 * All rights reserved. |
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4 * |
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5 * This package is an SSL implementation written |
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6 * by Eric Young (eay@cryptsoft.com). |
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7 * The implementation was written so as to conform with Netscapes SSL. |
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8 * |
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9 * This library is free for commercial and non-commercial use as long as |
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10 * the following conditions are aheared to. The following conditions |
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11 * apply to all code found in this distribution, be it the RC4, RSA, |
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12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation |
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13 * included with this distribution is covered by the same copyright terms |
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14 * except that the holder is Tim Hudson (tjh@cryptsoft.com). |
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15 * |
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16 * Copyright remains Eric Young's, and as such any Copyright notices in |
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17 * the code are not to be removed. |
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18 * If this package is used in a product, Eric Young should be given attribution |
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19 * as the author of the parts of the library used. |
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20 * This can be in the form of a textual message at program startup or |
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21 * in documentation (online or textual) provided with the package. |
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22 * |
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23 * Redistribution and use in source and binary forms, with or without |
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24 * modification, are permitted provided that the following conditions |
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25 * are met: |
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26 * 1. Redistributions of source code must retain the copyright |
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27 * notice, this list of conditions and the following disclaimer. |
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28 * 2. Redistributions in binary form must reproduce the above copyright |
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29 * notice, this list of conditions and the following disclaimer in the |
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30 * documentation and/or other materials provided with the distribution. |
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31 * 3. All advertising materials mentioning features or use of this software |
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32 * must display the following acknowledgement: |
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33 * "This product includes cryptographic software written by |
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34 * Eric Young (eay@cryptsoft.com)" |
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35 * The word 'cryptographic' can be left out if the rouines from the library |
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36 * being used are not cryptographic related :-). |
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37 * 4. If you include any Windows specific code (or a derivative thereof) from |
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38 * the apps directory (application code) you must include an acknowledgement: |
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39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" |
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40 * |
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41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
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42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
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45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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51 * SUCH DAMAGE. |
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52 * |
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53 * The licence and distribution terms for any publically available version or |
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54 * derivative of this code cannot be changed. i.e. this code cannot simply be |
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55 * copied and put under another distribution licence |
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56 * [including the GNU Public Licence.] |
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57 */ |
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58 |
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59 #include <stdio.h> |
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60 #include "md5_locl.h" |
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61 #include <openssl/opensslv.h> |
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62 |
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63 const char MD5_version[]="MD5" OPENSSL_VERSION_PTEXT; |
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64 |
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65 /* Implemented from RFC1321 The MD5 Message-Digest Algorithm |
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66 */ |
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67 |
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68 #define INIT_DATA_A (unsigned long)0x67452301L |
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69 #define INIT_DATA_B (unsigned long)0xefcdab89L |
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70 #define INIT_DATA_C (unsigned long)0x98badcfeL |
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71 #define INIT_DATA_D (unsigned long)0x10325476L |
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72 |
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73 EXPORT_C int MD5_Init(MD5_CTX *c) |
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74 { |
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75 c->A=INIT_DATA_A; |
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76 c->B=INIT_DATA_B; |
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77 c->C=INIT_DATA_C; |
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78 c->D=INIT_DATA_D; |
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79 c->Nl=0; |
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80 c->Nh=0; |
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81 c->num=0; |
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82 return 1; |
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83 } |
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84 |
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85 #ifndef md5_block_host_order |
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86 void md5_block_host_order (MD5_CTX *c, const void *data, size_t num) |
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87 { |
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88 const MD5_LONG *X=data; |
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89 register unsigned MD32_REG_T A,B,C,D; |
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90 |
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91 A=c->A; |
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92 B=c->B; |
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93 C=c->C; |
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94 D=c->D; |
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95 |
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96 for (;num--;X+=HASH_LBLOCK) |
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97 { |
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98 /* Round 0 */ |
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99 R0(A,B,C,D,X[ 0], 7,0xd76aa478L); |
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100 R0(D,A,B,C,X[ 1],12,0xe8c7b756L); |
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101 R0(C,D,A,B,X[ 2],17,0x242070dbL); |
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102 R0(B,C,D,A,X[ 3],22,0xc1bdceeeL); |
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103 R0(A,B,C,D,X[ 4], 7,0xf57c0fafL); |
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104 R0(D,A,B,C,X[ 5],12,0x4787c62aL); |
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105 R0(C,D,A,B,X[ 6],17,0xa8304613L); |
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106 R0(B,C,D,A,X[ 7],22,0xfd469501L); |
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107 R0(A,B,C,D,X[ 8], 7,0x698098d8L); |
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108 R0(D,A,B,C,X[ 9],12,0x8b44f7afL); |
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109 R0(C,D,A,B,X[10],17,0xffff5bb1L); |
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110 R0(B,C,D,A,X[11],22,0x895cd7beL); |
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111 R0(A,B,C,D,X[12], 7,0x6b901122L); |
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112 R0(D,A,B,C,X[13],12,0xfd987193L); |
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113 R0(C,D,A,B,X[14],17,0xa679438eL); |
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114 R0(B,C,D,A,X[15],22,0x49b40821L); |
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115 /* Round 1 */ |
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116 R1(A,B,C,D,X[ 1], 5,0xf61e2562L); |
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117 R1(D,A,B,C,X[ 6], 9,0xc040b340L); |
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118 R1(C,D,A,B,X[11],14,0x265e5a51L); |
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119 R1(B,C,D,A,X[ 0],20,0xe9b6c7aaL); |
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120 R1(A,B,C,D,X[ 5], 5,0xd62f105dL); |
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121 R1(D,A,B,C,X[10], 9,0x02441453L); |
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122 R1(C,D,A,B,X[15],14,0xd8a1e681L); |
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123 R1(B,C,D,A,X[ 4],20,0xe7d3fbc8L); |
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124 R1(A,B,C,D,X[ 9], 5,0x21e1cde6L); |
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125 R1(D,A,B,C,X[14], 9,0xc33707d6L); |
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126 R1(C,D,A,B,X[ 3],14,0xf4d50d87L); |
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127 R1(B,C,D,A,X[ 8],20,0x455a14edL); |
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128 R1(A,B,C,D,X[13], 5,0xa9e3e905L); |
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129 R1(D,A,B,C,X[ 2], 9,0xfcefa3f8L); |
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130 R1(C,D,A,B,X[ 7],14,0x676f02d9L); |
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131 R1(B,C,D,A,X[12],20,0x8d2a4c8aL); |
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132 /* Round 2 */ |
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133 R2(A,B,C,D,X[ 5], 4,0xfffa3942L); |
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134 R2(D,A,B,C,X[ 8],11,0x8771f681L); |
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135 R2(C,D,A,B,X[11],16,0x6d9d6122L); |
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136 R2(B,C,D,A,X[14],23,0xfde5380cL); |
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137 R2(A,B,C,D,X[ 1], 4,0xa4beea44L); |
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138 R2(D,A,B,C,X[ 4],11,0x4bdecfa9L); |
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139 R2(C,D,A,B,X[ 7],16,0xf6bb4b60L); |
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140 R2(B,C,D,A,X[10],23,0xbebfbc70L); |
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141 R2(A,B,C,D,X[13], 4,0x289b7ec6L); |
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142 R2(D,A,B,C,X[ 0],11,0xeaa127faL); |
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143 R2(C,D,A,B,X[ 3],16,0xd4ef3085L); |
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144 R2(B,C,D,A,X[ 6],23,0x04881d05L); |
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145 R2(A,B,C,D,X[ 9], 4,0xd9d4d039L); |
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146 R2(D,A,B,C,X[12],11,0xe6db99e5L); |
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147 R2(C,D,A,B,X[15],16,0x1fa27cf8L); |
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148 R2(B,C,D,A,X[ 2],23,0xc4ac5665L); |
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149 /* Round 3 */ |
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150 R3(A,B,C,D,X[ 0], 6,0xf4292244L); |
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151 R3(D,A,B,C,X[ 7],10,0x432aff97L); |
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152 R3(C,D,A,B,X[14],15,0xab9423a7L); |
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153 R3(B,C,D,A,X[ 5],21,0xfc93a039L); |
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154 R3(A,B,C,D,X[12], 6,0x655b59c3L); |
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155 R3(D,A,B,C,X[ 3],10,0x8f0ccc92L); |
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156 R3(C,D,A,B,X[10],15,0xffeff47dL); |
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157 R3(B,C,D,A,X[ 1],21,0x85845dd1L); |
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158 R3(A,B,C,D,X[ 8], 6,0x6fa87e4fL); |
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159 R3(D,A,B,C,X[15],10,0xfe2ce6e0L); |
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160 R3(C,D,A,B,X[ 6],15,0xa3014314L); |
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161 R3(B,C,D,A,X[13],21,0x4e0811a1L); |
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162 R3(A,B,C,D,X[ 4], 6,0xf7537e82L); |
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163 R3(D,A,B,C,X[11],10,0xbd3af235L); |
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164 R3(C,D,A,B,X[ 2],15,0x2ad7d2bbL); |
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165 R3(B,C,D,A,X[ 9],21,0xeb86d391L); |
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166 |
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167 A = c->A += A; |
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168 B = c->B += B; |
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169 C = c->C += C; |
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170 D = c->D += D; |
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171 } |
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172 } |
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173 #endif |
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174 |
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175 #ifndef md5_block_data_order |
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176 #ifdef X |
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177 #undef X |
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178 #endif |
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179 void md5_block_data_order (MD5_CTX *c, const void *data_, size_t num) |
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180 { |
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181 const unsigned char *data=data_; |
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182 register unsigned MD32_REG_T A,B,C,D,l; |
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183 #ifndef MD32_XARRAY |
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184 /* See comment in crypto/sha/sha_locl.h for details. */ |
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185 unsigned MD32_REG_T XX0, XX1, XX2, XX3, XX4, XX5, XX6, XX7, |
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186 XX8, XX9,XX10,XX11,XX12,XX13,XX14,XX15; |
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187 # define X(i) XX##i |
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188 #else |
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189 MD5_LONG XX[MD5_LBLOCK]; |
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190 # define X(i) XX[i] |
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191 #endif |
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192 |
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193 A=c->A; |
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194 B=c->B; |
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195 C=c->C; |
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196 D=c->D; |
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197 |
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198 for (;num--;) |
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199 { |
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200 HOST_c2l(data,l); X( 0)=l; HOST_c2l(data,l); X( 1)=l; |
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201 /* Round 0 */ |
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202 R0(A,B,C,D,X( 0), 7,0xd76aa478L); HOST_c2l(data,l); X( 2)=l; |
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203 R0(D,A,B,C,X( 1),12,0xe8c7b756L); HOST_c2l(data,l); X( 3)=l; |
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204 R0(C,D,A,B,X( 2),17,0x242070dbL); HOST_c2l(data,l); X( 4)=l; |
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205 R0(B,C,D,A,X( 3),22,0xc1bdceeeL); HOST_c2l(data,l); X( 5)=l; |
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206 R0(A,B,C,D,X( 4), 7,0xf57c0fafL); HOST_c2l(data,l); X( 6)=l; |
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207 R0(D,A,B,C,X( 5),12,0x4787c62aL); HOST_c2l(data,l); X( 7)=l; |
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208 R0(C,D,A,B,X( 6),17,0xa8304613L); HOST_c2l(data,l); X( 8)=l; |
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209 R0(B,C,D,A,X( 7),22,0xfd469501L); HOST_c2l(data,l); X( 9)=l; |
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210 R0(A,B,C,D,X( 8), 7,0x698098d8L); HOST_c2l(data,l); X(10)=l; |
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211 R0(D,A,B,C,X( 9),12,0x8b44f7afL); HOST_c2l(data,l); X(11)=l; |
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212 R0(C,D,A,B,X(10),17,0xffff5bb1L); HOST_c2l(data,l); X(12)=l; |
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213 R0(B,C,D,A,X(11),22,0x895cd7beL); HOST_c2l(data,l); X(13)=l; |
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214 R0(A,B,C,D,X(12), 7,0x6b901122L); HOST_c2l(data,l); X(14)=l; |
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215 R0(D,A,B,C,X(13),12,0xfd987193L); HOST_c2l(data,l); X(15)=l; |
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216 R0(C,D,A,B,X(14),17,0xa679438eL); |
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217 R0(B,C,D,A,X(15),22,0x49b40821L); |
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218 /* Round 1 */ |
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219 R1(A,B,C,D,X( 1), 5,0xf61e2562L); |
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220 R1(D,A,B,C,X( 6), 9,0xc040b340L); |
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221 R1(C,D,A,B,X(11),14,0x265e5a51L); |
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222 R1(B,C,D,A,X( 0),20,0xe9b6c7aaL); |
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223 R1(A,B,C,D,X( 5), 5,0xd62f105dL); |
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224 R1(D,A,B,C,X(10), 9,0x02441453L); |
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225 R1(C,D,A,B,X(15),14,0xd8a1e681L); |
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226 R1(B,C,D,A,X( 4),20,0xe7d3fbc8L); |
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227 R1(A,B,C,D,X( 9), 5,0x21e1cde6L); |
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228 R1(D,A,B,C,X(14), 9,0xc33707d6L); |
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229 R1(C,D,A,B,X( 3),14,0xf4d50d87L); |
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230 R1(B,C,D,A,X( 8),20,0x455a14edL); |
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231 R1(A,B,C,D,X(13), 5,0xa9e3e905L); |
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232 R1(D,A,B,C,X( 2), 9,0xfcefa3f8L); |
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233 R1(C,D,A,B,X( 7),14,0x676f02d9L); |
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234 R1(B,C,D,A,X(12),20,0x8d2a4c8aL); |
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235 /* Round 2 */ |
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236 R2(A,B,C,D,X( 5), 4,0xfffa3942L); |
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237 R2(D,A,B,C,X( 8),11,0x8771f681L); |
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238 R2(C,D,A,B,X(11),16,0x6d9d6122L); |
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239 R2(B,C,D,A,X(14),23,0xfde5380cL); |
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240 R2(A,B,C,D,X( 1), 4,0xa4beea44L); |
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241 R2(D,A,B,C,X( 4),11,0x4bdecfa9L); |
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242 R2(C,D,A,B,X( 7),16,0xf6bb4b60L); |
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243 R2(B,C,D,A,X(10),23,0xbebfbc70L); |
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244 R2(A,B,C,D,X(13), 4,0x289b7ec6L); |
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245 R2(D,A,B,C,X( 0),11,0xeaa127faL); |
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246 R2(C,D,A,B,X( 3),16,0xd4ef3085L); |
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247 R2(B,C,D,A,X( 6),23,0x04881d05L); |
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248 R2(A,B,C,D,X( 9), 4,0xd9d4d039L); |
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249 R2(D,A,B,C,X(12),11,0xe6db99e5L); |
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250 R2(C,D,A,B,X(15),16,0x1fa27cf8L); |
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251 R2(B,C,D,A,X( 2),23,0xc4ac5665L); |
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252 /* Round 3 */ |
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253 R3(A,B,C,D,X( 0), 6,0xf4292244L); |
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254 R3(D,A,B,C,X( 7),10,0x432aff97L); |
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255 R3(C,D,A,B,X(14),15,0xab9423a7L); |
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256 R3(B,C,D,A,X( 5),21,0xfc93a039L); |
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257 R3(A,B,C,D,X(12), 6,0x655b59c3L); |
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258 R3(D,A,B,C,X( 3),10,0x8f0ccc92L); |
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259 R3(C,D,A,B,X(10),15,0xffeff47dL); |
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260 R3(B,C,D,A,X( 1),21,0x85845dd1L); |
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261 R3(A,B,C,D,X( 8), 6,0x6fa87e4fL); |
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262 R3(D,A,B,C,X(15),10,0xfe2ce6e0L); |
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263 R3(C,D,A,B,X( 6),15,0xa3014314L); |
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264 R3(B,C,D,A,X(13),21,0x4e0811a1L); |
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265 R3(A,B,C,D,X( 4), 6,0xf7537e82L); |
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266 R3(D,A,B,C,X(11),10,0xbd3af235L); |
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267 R3(C,D,A,B,X( 2),15,0x2ad7d2bbL); |
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268 R3(B,C,D,A,X( 9),21,0xeb86d391L); |
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269 |
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270 A = c->A += A; |
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271 B = c->B += B; |
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272 C = c->C += C; |
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273 D = c->D += D; |
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274 } |
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275 } |
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276 #endif |
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277 |
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278 #ifdef undef |
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279 int printit(unsigned long *l) |
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280 { |
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281 int i,ii; |
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282 |
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283 for (i=0; i<2; i++) |
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284 { |
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285 for (ii=0; ii<8; ii++) |
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286 { |
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287 fprintf(stderr,"%08lx ",l[i*8+ii]); |
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288 } |
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289 fprintf(stderr,"\n"); |
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290 } |
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291 } |
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292 #endif |