[331] | 1 | /*
|
---|
| 2 | * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
|
---|
| 3 | *
|
---|
| 4 | * Licensed under the OpenSSL license (the "License"). You may not use
|
---|
| 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
|
---|
| 8 | */
|
---|
| 9 |
|
---|
| 10 | #include <stdio.h>
|
---|
| 11 | #include "md5_locl.h"
|
---|
| 12 | #include <openssl/opensslv.h>
|
---|
| 13 |
|
---|
| 14 | /*
|
---|
| 15 | * Implemented from RFC1321 The MD5 Message-Digest Algorithm
|
---|
| 16 | */
|
---|
| 17 |
|
---|
| 18 | #define INIT_DATA_A (unsigned long)0x67452301L
|
---|
| 19 | #define INIT_DATA_B (unsigned long)0xefcdab89L
|
---|
| 20 | #define INIT_DATA_C (unsigned long)0x98badcfeL
|
---|
| 21 | #define INIT_DATA_D (unsigned long)0x10325476L
|
---|
| 22 |
|
---|
| 23 | int MD5_Init(MD5_CTX *c)
|
---|
| 24 | {
|
---|
| 25 | memset(c, 0, sizeof(*c));
|
---|
| 26 | c->A = INIT_DATA_A;
|
---|
| 27 | c->B = INIT_DATA_B;
|
---|
| 28 | c->C = INIT_DATA_C;
|
---|
| 29 | c->D = INIT_DATA_D;
|
---|
| 30 | return 1;
|
---|
| 31 | }
|
---|
| 32 |
|
---|
| 33 | #ifndef md5_block_data_order
|
---|
| 34 | # ifdef X
|
---|
| 35 | # undef X
|
---|
| 36 | # endif
|
---|
| 37 | void md5_block_data_order(MD5_CTX *c, const void *data_, size_t num)
|
---|
| 38 | {
|
---|
| 39 | const unsigned char *data = data_;
|
---|
| 40 | register unsigned MD32_REG_T A, B, C, D, l;
|
---|
| 41 | # ifndef MD32_XARRAY
|
---|
| 42 | /* See comment in crypto/sha/sha_locl.h for details. */
|
---|
| 43 | unsigned MD32_REG_T XX0, XX1, XX2, XX3, XX4, XX5, XX6, XX7,
|
---|
| 44 | XX8, XX9, XX10, XX11, XX12, XX13, XX14, XX15;
|
---|
| 45 | # define X(i) XX##i
|
---|
| 46 | # else
|
---|
| 47 | MD5_LONG XX[MD5_LBLOCK];
|
---|
| 48 | # define X(i) XX[i]
|
---|
| 49 | # endif
|
---|
| 50 |
|
---|
| 51 | A = c->A;
|
---|
| 52 | B = c->B;
|
---|
| 53 | C = c->C;
|
---|
| 54 | D = c->D;
|
---|
| 55 |
|
---|
| 56 | for (; num--;) {
|
---|
| 57 | (void)HOST_c2l(data, l);
|
---|
| 58 | X(0) = l;
|
---|
| 59 | (void)HOST_c2l(data, l);
|
---|
| 60 | X(1) = l;
|
---|
| 61 | /* Round 0 */
|
---|
| 62 | R0(A, B, C, D, X(0), 7, 0xd76aa478L);
|
---|
| 63 | (void)HOST_c2l(data, l);
|
---|
| 64 | X(2) = l;
|
---|
| 65 | R0(D, A, B, C, X(1), 12, 0xe8c7b756L);
|
---|
| 66 | (void)HOST_c2l(data, l);
|
---|
| 67 | X(3) = l;
|
---|
| 68 | R0(C, D, A, B, X(2), 17, 0x242070dbL);
|
---|
| 69 | (void)HOST_c2l(data, l);
|
---|
| 70 | X(4) = l;
|
---|
| 71 | R0(B, C, D, A, X(3), 22, 0xc1bdceeeL);
|
---|
| 72 | (void)HOST_c2l(data, l);
|
---|
| 73 | X(5) = l;
|
---|
| 74 | R0(A, B, C, D, X(4), 7, 0xf57c0fafL);
|
---|
| 75 | (void)HOST_c2l(data, l);
|
---|
| 76 | X(6) = l;
|
---|
| 77 | R0(D, A, B, C, X(5), 12, 0x4787c62aL);
|
---|
| 78 | (void)HOST_c2l(data, l);
|
---|
| 79 | X(7) = l;
|
---|
| 80 | R0(C, D, A, B, X(6), 17, 0xa8304613L);
|
---|
| 81 | (void)HOST_c2l(data, l);
|
---|
| 82 | X(8) = l;
|
---|
| 83 | R0(B, C, D, A, X(7), 22, 0xfd469501L);
|
---|
| 84 | (void)HOST_c2l(data, l);
|
---|
| 85 | X(9) = l;
|
---|
| 86 | R0(A, B, C, D, X(8), 7, 0x698098d8L);
|
---|
| 87 | (void)HOST_c2l(data, l);
|
---|
| 88 | X(10) = l;
|
---|
| 89 | R0(D, A, B, C, X(9), 12, 0x8b44f7afL);
|
---|
| 90 | (void)HOST_c2l(data, l);
|
---|
| 91 | X(11) = l;
|
---|
| 92 | R0(C, D, A, B, X(10), 17, 0xffff5bb1L);
|
---|
| 93 | (void)HOST_c2l(data, l);
|
---|
| 94 | X(12) = l;
|
---|
| 95 | R0(B, C, D, A, X(11), 22, 0x895cd7beL);
|
---|
| 96 | (void)HOST_c2l(data, l);
|
---|
| 97 | X(13) = l;
|
---|
| 98 | R0(A, B, C, D, X(12), 7, 0x6b901122L);
|
---|
| 99 | (void)HOST_c2l(data, l);
|
---|
| 100 | X(14) = l;
|
---|
| 101 | R0(D, A, B, C, X(13), 12, 0xfd987193L);
|
---|
| 102 | (void)HOST_c2l(data, l);
|
---|
| 103 | X(15) = l;
|
---|
| 104 | R0(C, D, A, B, X(14), 17, 0xa679438eL);
|
---|
| 105 | R0(B, C, D, A, X(15), 22, 0x49b40821L);
|
---|
| 106 | /* Round 1 */
|
---|
| 107 | R1(A, B, C, D, X(1), 5, 0xf61e2562L);
|
---|
| 108 | R1(D, A, B, C, X(6), 9, 0xc040b340L);
|
---|
| 109 | R1(C, D, A, B, X(11), 14, 0x265e5a51L);
|
---|
| 110 | R1(B, C, D, A, X(0), 20, 0xe9b6c7aaL);
|
---|
| 111 | R1(A, B, C, D, X(5), 5, 0xd62f105dL);
|
---|
| 112 | R1(D, A, B, C, X(10), 9, 0x02441453L);
|
---|
| 113 | R1(C, D, A, B, X(15), 14, 0xd8a1e681L);
|
---|
| 114 | R1(B, C, D, A, X(4), 20, 0xe7d3fbc8L);
|
---|
| 115 | R1(A, B, C, D, X(9), 5, 0x21e1cde6L);
|
---|
| 116 | R1(D, A, B, C, X(14), 9, 0xc33707d6L);
|
---|
| 117 | R1(C, D, A, B, X(3), 14, 0xf4d50d87L);
|
---|
| 118 | R1(B, C, D, A, X(8), 20, 0x455a14edL);
|
---|
| 119 | R1(A, B, C, D, X(13), 5, 0xa9e3e905L);
|
---|
| 120 | R1(D, A, B, C, X(2), 9, 0xfcefa3f8L);
|
---|
| 121 | R1(C, D, A, B, X(7), 14, 0x676f02d9L);
|
---|
| 122 | R1(B, C, D, A, X(12), 20, 0x8d2a4c8aL);
|
---|
| 123 | /* Round 2 */
|
---|
| 124 | R2(A, B, C, D, X(5), 4, 0xfffa3942L);
|
---|
| 125 | R2(D, A, B, C, X(8), 11, 0x8771f681L);
|
---|
| 126 | R2(C, D, A, B, X(11), 16, 0x6d9d6122L);
|
---|
| 127 | R2(B, C, D, A, X(14), 23, 0xfde5380cL);
|
---|
| 128 | R2(A, B, C, D, X(1), 4, 0xa4beea44L);
|
---|
| 129 | R2(D, A, B, C, X(4), 11, 0x4bdecfa9L);
|
---|
| 130 | R2(C, D, A, B, X(7), 16, 0xf6bb4b60L);
|
---|
| 131 | R2(B, C, D, A, X(10), 23, 0xbebfbc70L);
|
---|
| 132 | R2(A, B, C, D, X(13), 4, 0x289b7ec6L);
|
---|
| 133 | R2(D, A, B, C, X(0), 11, 0xeaa127faL);
|
---|
| 134 | R2(C, D, A, B, X(3), 16, 0xd4ef3085L);
|
---|
| 135 | R2(B, C, D, A, X(6), 23, 0x04881d05L);
|
---|
| 136 | R2(A, B, C, D, X(9), 4, 0xd9d4d039L);
|
---|
| 137 | R2(D, A, B, C, X(12), 11, 0xe6db99e5L);
|
---|
| 138 | R2(C, D, A, B, X(15), 16, 0x1fa27cf8L);
|
---|
| 139 | R2(B, C, D, A, X(2), 23, 0xc4ac5665L);
|
---|
| 140 | /* Round 3 */
|
---|
| 141 | R3(A, B, C, D, X(0), 6, 0xf4292244L);
|
---|
| 142 | R3(D, A, B, C, X(7), 10, 0x432aff97L);
|
---|
| 143 | R3(C, D, A, B, X(14), 15, 0xab9423a7L);
|
---|
| 144 | R3(B, C, D, A, X(5), 21, 0xfc93a039L);
|
---|
| 145 | R3(A, B, C, D, X(12), 6, 0x655b59c3L);
|
---|
| 146 | R3(D, A, B, C, X(3), 10, 0x8f0ccc92L);
|
---|
| 147 | R3(C, D, A, B, X(10), 15, 0xffeff47dL);
|
---|
| 148 | R3(B, C, D, A, X(1), 21, 0x85845dd1L);
|
---|
| 149 | R3(A, B, C, D, X(8), 6, 0x6fa87e4fL);
|
---|
| 150 | R3(D, A, B, C, X(15), 10, 0xfe2ce6e0L);
|
---|
| 151 | R3(C, D, A, B, X(6), 15, 0xa3014314L);
|
---|
| 152 | R3(B, C, D, A, X(13), 21, 0x4e0811a1L);
|
---|
| 153 | R3(A, B, C, D, X(4), 6, 0xf7537e82L);
|
---|
| 154 | R3(D, A, B, C, X(11), 10, 0xbd3af235L);
|
---|
| 155 | R3(C, D, A, B, X(2), 15, 0x2ad7d2bbL);
|
---|
| 156 | R3(B, C, D, A, X(9), 21, 0xeb86d391L);
|
---|
| 157 |
|
---|
| 158 | A = c->A += A;
|
---|
| 159 | B = c->B += B;
|
---|
| 160 | C = c->C += C;
|
---|
| 161 | D = c->D += D;
|
---|
| 162 | }
|
---|
| 163 | }
|
---|
| 164 | #endif
|
---|