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b1322259 | 1 | /* |
33388b44 | 2 | * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved. |
58964a49 | 3 | * |
4911f553 | 4 | * Licensed under the Apache License 2.0 (the "License"). You may not use |
b1322259 RS |
5 | * this file except in compliance with the License. You can obtain a copy |
6 | * in the file LICENSE in the source distribution or at | |
7 | * https://www.openssl.org/source/license.html | |
58964a49 RE |
8 | */ |
9 | ||
781aa7ab P |
10 | /* |
11 | * MD5 low level APIs are deprecated for public use, but still ok for | |
12 | * internal use. | |
13 | */ | |
14 | #include "internal/deprecated.h" | |
15 | ||
58964a49 | 16 | #include <stdio.h> |
706457b7 | 17 | #include "md5_local.h" |
ec577822 | 18 | #include <openssl/opensslv.h> |
58964a49 | 19 | |
0f113f3e MC |
20 | /* |
21 | * Implemented from RFC1321 The MD5 Message-Digest Algorithm | |
58964a49 RE |
22 | */ |
23 | ||
24 | #define INIT_DATA_A (unsigned long)0x67452301L | |
25 | #define INIT_DATA_B (unsigned long)0xefcdab89L | |
26 | #define INIT_DATA_C (unsigned long)0x98badcfeL | |
27 | #define INIT_DATA_D (unsigned long)0x10325476L | |
28 | ||
2dc769a1 | 29 | int MD5_Init(MD5_CTX *c) |
0f113f3e MC |
30 | { |
31 | memset(c, 0, sizeof(*c)); | |
32 | c->A = INIT_DATA_A; | |
33 | c->B = INIT_DATA_B; | |
34 | c->C = INIT_DATA_C; | |
35 | c->D = INIT_DATA_D; | |
36 | return 1; | |
37 | } | |
58964a49 | 38 | |
bd3576d2 | 39 | #ifndef md5_block_data_order |
0f113f3e MC |
40 | # ifdef X |
41 | # undef X | |
42 | # endif | |
43 | void md5_block_data_order(MD5_CTX *c, const void *data_, size_t num) | |
44 | { | |
45 | const unsigned char *data = data_; | |
46 | register unsigned MD32_REG_T A, B, C, D, l; | |
47 | # ifndef MD32_XARRAY | |
706457b7 | 48 | /* See comment in crypto/sha/sha_local.h for details. */ |
0f113f3e MC |
49 | unsigned MD32_REG_T XX0, XX1, XX2, XX3, XX4, XX5, XX6, XX7, |
50 | XX8, XX9, XX10, XX11, XX12, XX13, XX14, XX15; | |
51 | # define X(i) XX##i | |
52 | # else | |
53 | MD5_LONG XX[MD5_LBLOCK]; | |
54 | # define X(i) XX[i] | |
55 | # endif | |
58964a49 | 56 | |
0f113f3e MC |
57 | A = c->A; |
58 | B = c->B; | |
59 | C = c->C; | |
60 | D = c->D; | |
58964a49 | 61 | |
0f113f3e | 62 | for (; num--;) { |
09977dd0 | 63 | (void)HOST_c2l(data, l); |
0f113f3e | 64 | X(0) = l; |
09977dd0 | 65 | (void)HOST_c2l(data, l); |
0f113f3e MC |
66 | X(1) = l; |
67 | /* Round 0 */ | |
68 | R0(A, B, C, D, X(0), 7, 0xd76aa478L); | |
09977dd0 | 69 | (void)HOST_c2l(data, l); |
0f113f3e MC |
70 | X(2) = l; |
71 | R0(D, A, B, C, X(1), 12, 0xe8c7b756L); | |
09977dd0 | 72 | (void)HOST_c2l(data, l); |
0f113f3e MC |
73 | X(3) = l; |
74 | R0(C, D, A, B, X(2), 17, 0x242070dbL); | |
09977dd0 | 75 | (void)HOST_c2l(data, l); |
0f113f3e MC |
76 | X(4) = l; |
77 | R0(B, C, D, A, X(3), 22, 0xc1bdceeeL); | |
09977dd0 | 78 | (void)HOST_c2l(data, l); |
0f113f3e MC |
79 | X(5) = l; |
80 | R0(A, B, C, D, X(4), 7, 0xf57c0fafL); | |
09977dd0 | 81 | (void)HOST_c2l(data, l); |
0f113f3e MC |
82 | X(6) = l; |
83 | R0(D, A, B, C, X(5), 12, 0x4787c62aL); | |
09977dd0 | 84 | (void)HOST_c2l(data, l); |
0f113f3e MC |
85 | X(7) = l; |
86 | R0(C, D, A, B, X(6), 17, 0xa8304613L); | |
09977dd0 | 87 | (void)HOST_c2l(data, l); |
0f113f3e MC |
88 | X(8) = l; |
89 | R0(B, C, D, A, X(7), 22, 0xfd469501L); | |
09977dd0 | 90 | (void)HOST_c2l(data, l); |
0f113f3e MC |
91 | X(9) = l; |
92 | R0(A, B, C, D, X(8), 7, 0x698098d8L); | |
09977dd0 | 93 | (void)HOST_c2l(data, l); |
0f113f3e MC |
94 | X(10) = l; |
95 | R0(D, A, B, C, X(9), 12, 0x8b44f7afL); | |
09977dd0 | 96 | (void)HOST_c2l(data, l); |
0f113f3e MC |
97 | X(11) = l; |
98 | R0(C, D, A, B, X(10), 17, 0xffff5bb1L); | |
09977dd0 | 99 | (void)HOST_c2l(data, l); |
0f113f3e MC |
100 | X(12) = l; |
101 | R0(B, C, D, A, X(11), 22, 0x895cd7beL); | |
09977dd0 | 102 | (void)HOST_c2l(data, l); |
0f113f3e MC |
103 | X(13) = l; |
104 | R0(A, B, C, D, X(12), 7, 0x6b901122L); | |
09977dd0 | 105 | (void)HOST_c2l(data, l); |
0f113f3e MC |
106 | X(14) = l; |
107 | R0(D, A, B, C, X(13), 12, 0xfd987193L); | |
09977dd0 | 108 | (void)HOST_c2l(data, l); |
0f113f3e MC |
109 | X(15) = l; |
110 | R0(C, D, A, B, X(14), 17, 0xa679438eL); | |
111 | R0(B, C, D, A, X(15), 22, 0x49b40821L); | |
112 | /* Round 1 */ | |
113 | R1(A, B, C, D, X(1), 5, 0xf61e2562L); | |
114 | R1(D, A, B, C, X(6), 9, 0xc040b340L); | |
115 | R1(C, D, A, B, X(11), 14, 0x265e5a51L); | |
116 | R1(B, C, D, A, X(0), 20, 0xe9b6c7aaL); | |
117 | R1(A, B, C, D, X(5), 5, 0xd62f105dL); | |
118 | R1(D, A, B, C, X(10), 9, 0x02441453L); | |
119 | R1(C, D, A, B, X(15), 14, 0xd8a1e681L); | |
120 | R1(B, C, D, A, X(4), 20, 0xe7d3fbc8L); | |
121 | R1(A, B, C, D, X(9), 5, 0x21e1cde6L); | |
122 | R1(D, A, B, C, X(14), 9, 0xc33707d6L); | |
123 | R1(C, D, A, B, X(3), 14, 0xf4d50d87L); | |
124 | R1(B, C, D, A, X(8), 20, 0x455a14edL); | |
125 | R1(A, B, C, D, X(13), 5, 0xa9e3e905L); | |
126 | R1(D, A, B, C, X(2), 9, 0xfcefa3f8L); | |
127 | R1(C, D, A, B, X(7), 14, 0x676f02d9L); | |
128 | R1(B, C, D, A, X(12), 20, 0x8d2a4c8aL); | |
129 | /* Round 2 */ | |
130 | R2(A, B, C, D, X(5), 4, 0xfffa3942L); | |
131 | R2(D, A, B, C, X(8), 11, 0x8771f681L); | |
132 | R2(C, D, A, B, X(11), 16, 0x6d9d6122L); | |
133 | R2(B, C, D, A, X(14), 23, 0xfde5380cL); | |
134 | R2(A, B, C, D, X(1), 4, 0xa4beea44L); | |
135 | R2(D, A, B, C, X(4), 11, 0x4bdecfa9L); | |
136 | R2(C, D, A, B, X(7), 16, 0xf6bb4b60L); | |
137 | R2(B, C, D, A, X(10), 23, 0xbebfbc70L); | |
138 | R2(A, B, C, D, X(13), 4, 0x289b7ec6L); | |
139 | R2(D, A, B, C, X(0), 11, 0xeaa127faL); | |
140 | R2(C, D, A, B, X(3), 16, 0xd4ef3085L); | |
141 | R2(B, C, D, A, X(6), 23, 0x04881d05L); | |
142 | R2(A, B, C, D, X(9), 4, 0xd9d4d039L); | |
143 | R2(D, A, B, C, X(12), 11, 0xe6db99e5L); | |
144 | R2(C, D, A, B, X(15), 16, 0x1fa27cf8L); | |
145 | R2(B, C, D, A, X(2), 23, 0xc4ac5665L); | |
146 | /* Round 3 */ | |
147 | R3(A, B, C, D, X(0), 6, 0xf4292244L); | |
148 | R3(D, A, B, C, X(7), 10, 0x432aff97L); | |
149 | R3(C, D, A, B, X(14), 15, 0xab9423a7L); | |
150 | R3(B, C, D, A, X(5), 21, 0xfc93a039L); | |
151 | R3(A, B, C, D, X(12), 6, 0x655b59c3L); | |
152 | R3(D, A, B, C, X(3), 10, 0x8f0ccc92L); | |
153 | R3(C, D, A, B, X(10), 15, 0xffeff47dL); | |
154 | R3(B, C, D, A, X(1), 21, 0x85845dd1L); | |
155 | R3(A, B, C, D, X(8), 6, 0x6fa87e4fL); | |
156 | R3(D, A, B, C, X(15), 10, 0xfe2ce6e0L); | |
157 | R3(C, D, A, B, X(6), 15, 0xa3014314L); | |
158 | R3(B, C, D, A, X(13), 21, 0x4e0811a1L); | |
159 | R3(A, B, C, D, X(4), 6, 0xf7537e82L); | |
160 | R3(D, A, B, C, X(11), 10, 0xbd3af235L); | |
161 | R3(C, D, A, B, X(2), 15, 0x2ad7d2bbL); | |
162 | R3(B, C, D, A, X(9), 21, 0xeb86d391L); | |
58964a49 | 163 | |
0f113f3e MC |
164 | A = c->A += A; |
165 | B = c->B += B; | |
166 | C = c->C += C; | |
167 | D = c->D += D; | |
168 | } | |
169 | } | |
bd3576d2 | 170 | #endif |