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58964a49 RE |
1 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
2 | * All rights reserved. | |
3 | * | |
4 | * This package is an SSL implementation written | |
5 | * by Eric Young (eay@cryptsoft.com). | |
6 | * The implementation was written so as to conform with Netscapes SSL. | |
0f113f3e | 7 | * |
58964a49 RE |
8 | * This library is free for commercial and non-commercial use as long as |
9 | * the following conditions are aheared to. The following conditions | |
10 | * apply to all code found in this distribution, be it the RC4, RSA, | |
11 | * lhash, DES, etc., code; not just the SSL code. The SSL documentation | |
12 | * included with this distribution is covered by the same copyright terms | |
13 | * except that the holder is Tim Hudson (tjh@cryptsoft.com). | |
0f113f3e | 14 | * |
58964a49 RE |
15 | * Copyright remains Eric Young's, and as such any Copyright notices in |
16 | * the code are not to be removed. | |
17 | * If this package is used in a product, Eric Young should be given attribution | |
18 | * as the author of the parts of the library used. | |
19 | * This can be in the form of a textual message at program startup or | |
20 | * in documentation (online or textual) provided with the package. | |
0f113f3e | 21 | * |
58964a49 RE |
22 | * Redistribution and use in source and binary forms, with or without |
23 | * modification, are permitted provided that the following conditions | |
24 | * are met: | |
25 | * 1. Redistributions of source code must retain the copyright | |
26 | * notice, this list of conditions and the following disclaimer. | |
27 | * 2. Redistributions in binary form must reproduce the above copyright | |
28 | * notice, this list of conditions and the following disclaimer in the | |
29 | * documentation and/or other materials provided with the distribution. | |
30 | * 3. All advertising materials mentioning features or use of this software | |
31 | * must display the following acknowledgement: | |
32 | * "This product includes cryptographic software written by | |
33 | * Eric Young (eay@cryptsoft.com)" | |
34 | * The word 'cryptographic' can be left out if the rouines from the library | |
35 | * being used are not cryptographic related :-). | |
0f113f3e | 36 | * 4. If you include any Windows specific code (or a derivative thereof) from |
58964a49 RE |
37 | * the apps directory (application code) you must include an acknowledgement: |
38 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | |
0f113f3e | 39 | * |
58964a49 RE |
40 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
41 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
42 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
43 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |
44 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
45 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
46 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
47 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
48 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
49 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
50 | * SUCH DAMAGE. | |
0f113f3e | 51 | * |
58964a49 RE |
52 | * The licence and distribution terms for any publically available version or |
53 | * derivative of this code cannot be changed. i.e. this code cannot simply be | |
54 | * copied and put under another distribution licence | |
55 | * [including the GNU Public Licence.] | |
56 | */ | |
57 | ||
58 | #include <stdio.h> | |
59 | #include "md5_locl.h" | |
ec577822 | 60 | #include <openssl/opensslv.h> |
58964a49 | 61 | |
0f113f3e MC |
62 | /* |
63 | * Implemented from RFC1321 The MD5 Message-Digest Algorithm | |
58964a49 RE |
64 | */ |
65 | ||
66 | #define INIT_DATA_A (unsigned long)0x67452301L | |
67 | #define INIT_DATA_B (unsigned long)0xefcdab89L | |
68 | #define INIT_DATA_C (unsigned long)0x98badcfeL | |
69 | #define INIT_DATA_D (unsigned long)0x10325476L | |
70 | ||
2dc769a1 | 71 | int MD5_Init(MD5_CTX *c) |
0f113f3e MC |
72 | { |
73 | memset(c, 0, sizeof(*c)); | |
74 | c->A = INIT_DATA_A; | |
75 | c->B = INIT_DATA_B; | |
76 | c->C = INIT_DATA_C; | |
77 | c->D = INIT_DATA_D; | |
78 | return 1; | |
79 | } | |
58964a49 | 80 | |
bd3576d2 | 81 | #ifndef md5_block_data_order |
0f113f3e MC |
82 | # ifdef X |
83 | # undef X | |
84 | # endif | |
85 | void md5_block_data_order(MD5_CTX *c, const void *data_, size_t num) | |
86 | { | |
87 | const unsigned char *data = data_; | |
88 | register unsigned MD32_REG_T A, B, C, D, l; | |
89 | # ifndef MD32_XARRAY | |
90 | /* See comment in crypto/sha/sha_locl.h for details. */ | |
91 | unsigned MD32_REG_T XX0, XX1, XX2, XX3, XX4, XX5, XX6, XX7, | |
92 | XX8, XX9, XX10, XX11, XX12, XX13, XX14, XX15; | |
93 | # define X(i) XX##i | |
94 | # else | |
95 | MD5_LONG XX[MD5_LBLOCK]; | |
96 | # define X(i) XX[i] | |
97 | # endif | |
58964a49 | 98 | |
0f113f3e MC |
99 | A = c->A; |
100 | B = c->B; | |
101 | C = c->C; | |
102 | D = c->D; | |
58964a49 | 103 | |
0f113f3e MC |
104 | for (; num--;) { |
105 | HOST_c2l(data, l); | |
106 | X(0) = l; | |
107 | HOST_c2l(data, l); | |
108 | X(1) = l; | |
109 | /* Round 0 */ | |
110 | R0(A, B, C, D, X(0), 7, 0xd76aa478L); | |
111 | HOST_c2l(data, l); | |
112 | X(2) = l; | |
113 | R0(D, A, B, C, X(1), 12, 0xe8c7b756L); | |
114 | HOST_c2l(data, l); | |
115 | X(3) = l; | |
116 | R0(C, D, A, B, X(2), 17, 0x242070dbL); | |
117 | HOST_c2l(data, l); | |
118 | X(4) = l; | |
119 | R0(B, C, D, A, X(3), 22, 0xc1bdceeeL); | |
120 | HOST_c2l(data, l); | |
121 | X(5) = l; | |
122 | R0(A, B, C, D, X(4), 7, 0xf57c0fafL); | |
123 | HOST_c2l(data, l); | |
124 | X(6) = l; | |
125 | R0(D, A, B, C, X(5), 12, 0x4787c62aL); | |
126 | HOST_c2l(data, l); | |
127 | X(7) = l; | |
128 | R0(C, D, A, B, X(6), 17, 0xa8304613L); | |
129 | HOST_c2l(data, l); | |
130 | X(8) = l; | |
131 | R0(B, C, D, A, X(7), 22, 0xfd469501L); | |
132 | HOST_c2l(data, l); | |
133 | X(9) = l; | |
134 | R0(A, B, C, D, X(8), 7, 0x698098d8L); | |
135 | HOST_c2l(data, l); | |
136 | X(10) = l; | |
137 | R0(D, A, B, C, X(9), 12, 0x8b44f7afL); | |
138 | HOST_c2l(data, l); | |
139 | X(11) = l; | |
140 | R0(C, D, A, B, X(10), 17, 0xffff5bb1L); | |
141 | HOST_c2l(data, l); | |
142 | X(12) = l; | |
143 | R0(B, C, D, A, X(11), 22, 0x895cd7beL); | |
144 | HOST_c2l(data, l); | |
145 | X(13) = l; | |
146 | R0(A, B, C, D, X(12), 7, 0x6b901122L); | |
147 | HOST_c2l(data, l); | |
148 | X(14) = l; | |
149 | R0(D, A, B, C, X(13), 12, 0xfd987193L); | |
150 | HOST_c2l(data, l); | |
151 | X(15) = l; | |
152 | R0(C, D, A, B, X(14), 17, 0xa679438eL); | |
153 | R0(B, C, D, A, X(15), 22, 0x49b40821L); | |
154 | /* Round 1 */ | |
155 | R1(A, B, C, D, X(1), 5, 0xf61e2562L); | |
156 | R1(D, A, B, C, X(6), 9, 0xc040b340L); | |
157 | R1(C, D, A, B, X(11), 14, 0x265e5a51L); | |
158 | R1(B, C, D, A, X(0), 20, 0xe9b6c7aaL); | |
159 | R1(A, B, C, D, X(5), 5, 0xd62f105dL); | |
160 | R1(D, A, B, C, X(10), 9, 0x02441453L); | |
161 | R1(C, D, A, B, X(15), 14, 0xd8a1e681L); | |
162 | R1(B, C, D, A, X(4), 20, 0xe7d3fbc8L); | |
163 | R1(A, B, C, D, X(9), 5, 0x21e1cde6L); | |
164 | R1(D, A, B, C, X(14), 9, 0xc33707d6L); | |
165 | R1(C, D, A, B, X(3), 14, 0xf4d50d87L); | |
166 | R1(B, C, D, A, X(8), 20, 0x455a14edL); | |
167 | R1(A, B, C, D, X(13), 5, 0xa9e3e905L); | |
168 | R1(D, A, B, C, X(2), 9, 0xfcefa3f8L); | |
169 | R1(C, D, A, B, X(7), 14, 0x676f02d9L); | |
170 | R1(B, C, D, A, X(12), 20, 0x8d2a4c8aL); | |
171 | /* Round 2 */ | |
172 | R2(A, B, C, D, X(5), 4, 0xfffa3942L); | |
173 | R2(D, A, B, C, X(8), 11, 0x8771f681L); | |
174 | R2(C, D, A, B, X(11), 16, 0x6d9d6122L); | |
175 | R2(B, C, D, A, X(14), 23, 0xfde5380cL); | |
176 | R2(A, B, C, D, X(1), 4, 0xa4beea44L); | |
177 | R2(D, A, B, C, X(4), 11, 0x4bdecfa9L); | |
178 | R2(C, D, A, B, X(7), 16, 0xf6bb4b60L); | |
179 | R2(B, C, D, A, X(10), 23, 0xbebfbc70L); | |
180 | R2(A, B, C, D, X(13), 4, 0x289b7ec6L); | |
181 | R2(D, A, B, C, X(0), 11, 0xeaa127faL); | |
182 | R2(C, D, A, B, X(3), 16, 0xd4ef3085L); | |
183 | R2(B, C, D, A, X(6), 23, 0x04881d05L); | |
184 | R2(A, B, C, D, X(9), 4, 0xd9d4d039L); | |
185 | R2(D, A, B, C, X(12), 11, 0xe6db99e5L); | |
186 | R2(C, D, A, B, X(15), 16, 0x1fa27cf8L); | |
187 | R2(B, C, D, A, X(2), 23, 0xc4ac5665L); | |
188 | /* Round 3 */ | |
189 | R3(A, B, C, D, X(0), 6, 0xf4292244L); | |
190 | R3(D, A, B, C, X(7), 10, 0x432aff97L); | |
191 | R3(C, D, A, B, X(14), 15, 0xab9423a7L); | |
192 | R3(B, C, D, A, X(5), 21, 0xfc93a039L); | |
193 | R3(A, B, C, D, X(12), 6, 0x655b59c3L); | |
194 | R3(D, A, B, C, X(3), 10, 0x8f0ccc92L); | |
195 | R3(C, D, A, B, X(10), 15, 0xffeff47dL); | |
196 | R3(B, C, D, A, X(1), 21, 0x85845dd1L); | |
197 | R3(A, B, C, D, X(8), 6, 0x6fa87e4fL); | |
198 | R3(D, A, B, C, X(15), 10, 0xfe2ce6e0L); | |
199 | R3(C, D, A, B, X(6), 15, 0xa3014314L); | |
200 | R3(B, C, D, A, X(13), 21, 0x4e0811a1L); | |
201 | R3(A, B, C, D, X(4), 6, 0xf7537e82L); | |
202 | R3(D, A, B, C, X(11), 10, 0xbd3af235L); | |
203 | R3(C, D, A, B, X(2), 15, 0x2ad7d2bbL); | |
204 | R3(B, C, D, A, X(9), 21, 0xeb86d391L); | |
58964a49 | 205 | |
0f113f3e MC |
206 | A = c->A += A; |
207 | B = c->B += B; | |
208 | C = c->C += C; | |
209 | D = c->D += D; | |
210 | } | |
211 | } | |
bd3576d2 | 212 | #endif |