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2039c421 | 1 | /* |
33388b44 | 2 | * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved. |
3009458e | 3 | * |
4911f553 | 4 | * Licensed under the Apache License 2.0 (the "License"). You may not use |
2039c421 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 | |
3009458e RL |
8 | */ |
9 | ||
8ffb20ce P |
10 | /* |
11 | * MD4 low level APIs are deprecated for public use, but still ok for | |
12 | * internal use. | |
13 | */ | |
14 | #include "internal/deprecated.h" | |
15 | ||
3009458e | 16 | #include <stdio.h> |
3009458e | 17 | #include <openssl/opensslv.h> |
706457b7 | 18 | #include "md4_local.h" |
3009458e | 19 | |
0f113f3e MC |
20 | /* |
21 | * Implemented from RFC1186 The MD4 Message-Digest Algorithm | |
3009458e RL |
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 MD4_Init(MD4_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 | } | |
3009458e | 38 | |
3009458e | 39 | #ifndef md4_block_data_order |
0f113f3e MC |
40 | # ifdef X |
41 | # undef X | |
42 | # endif | |
43 | void md4_block_data_order(MD4_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 | MD4_LONG XX[MD4_LBLOCK]; | |
54 | # define X(i) XX[i] | |
55 | # endif | |
3009458e | 56 | |
0f113f3e MC |
57 | A = c->A; |
58 | B = c->B; | |
59 | C = c->C; | |
60 | D = c->D; | |
3009458e | 61 | |
0f113f3e MC |
62 | for (; num--;) { |
63 | (void)HOST_c2l(data, l); | |
64 | X(0) = l; | |
65 | (void)HOST_c2l(data, l); | |
66 | X(1) = l; | |
67 | /* Round 0 */ | |
68 | R0(A, B, C, D, X(0), 3, 0); | |
69 | (void)HOST_c2l(data, l); | |
70 | X(2) = l; | |
71 | R0(D, A, B, C, X(1), 7, 0); | |
72 | (void)HOST_c2l(data, l); | |
73 | X(3) = l; | |
74 | R0(C, D, A, B, X(2), 11, 0); | |
75 | (void)HOST_c2l(data, l); | |
76 | X(4) = l; | |
77 | R0(B, C, D, A, X(3), 19, 0); | |
78 | (void)HOST_c2l(data, l); | |
79 | X(5) = l; | |
80 | R0(A, B, C, D, X(4), 3, 0); | |
81 | (void)HOST_c2l(data, l); | |
82 | X(6) = l; | |
83 | R0(D, A, B, C, X(5), 7, 0); | |
84 | (void)HOST_c2l(data, l); | |
85 | X(7) = l; | |
86 | R0(C, D, A, B, X(6), 11, 0); | |
87 | (void)HOST_c2l(data, l); | |
88 | X(8) = l; | |
89 | R0(B, C, D, A, X(7), 19, 0); | |
90 | (void)HOST_c2l(data, l); | |
91 | X(9) = l; | |
92 | R0(A, B, C, D, X(8), 3, 0); | |
93 | (void)HOST_c2l(data, l); | |
94 | X(10) = l; | |
95 | R0(D, A, B, C, X(9), 7, 0); | |
96 | (void)HOST_c2l(data, l); | |
97 | X(11) = l; | |
98 | R0(C, D, A, B, X(10), 11, 0); | |
99 | (void)HOST_c2l(data, l); | |
100 | X(12) = l; | |
101 | R0(B, C, D, A, X(11), 19, 0); | |
102 | (void)HOST_c2l(data, l); | |
103 | X(13) = l; | |
104 | R0(A, B, C, D, X(12), 3, 0); | |
105 | (void)HOST_c2l(data, l); | |
106 | X(14) = l; | |
107 | R0(D, A, B, C, X(13), 7, 0); | |
108 | (void)HOST_c2l(data, l); | |
109 | X(15) = l; | |
110 | R0(C, D, A, B, X(14), 11, 0); | |
111 | R0(B, C, D, A, X(15), 19, 0); | |
112 | /* Round 1 */ | |
113 | R1(A, B, C, D, X(0), 3, 0x5A827999L); | |
114 | R1(D, A, B, C, X(4), 5, 0x5A827999L); | |
115 | R1(C, D, A, B, X(8), 9, 0x5A827999L); | |
116 | R1(B, C, D, A, X(12), 13, 0x5A827999L); | |
117 | R1(A, B, C, D, X(1), 3, 0x5A827999L); | |
118 | R1(D, A, B, C, X(5), 5, 0x5A827999L); | |
119 | R1(C, D, A, B, X(9), 9, 0x5A827999L); | |
120 | R1(B, C, D, A, X(13), 13, 0x5A827999L); | |
121 | R1(A, B, C, D, X(2), 3, 0x5A827999L); | |
122 | R1(D, A, B, C, X(6), 5, 0x5A827999L); | |
123 | R1(C, D, A, B, X(10), 9, 0x5A827999L); | |
124 | R1(B, C, D, A, X(14), 13, 0x5A827999L); | |
125 | R1(A, B, C, D, X(3), 3, 0x5A827999L); | |
126 | R1(D, A, B, C, X(7), 5, 0x5A827999L); | |
127 | R1(C, D, A, B, X(11), 9, 0x5A827999L); | |
128 | R1(B, C, D, A, X(15), 13, 0x5A827999L); | |
129 | /* Round 2 */ | |
130 | R2(A, B, C, D, X(0), 3, 0x6ED9EBA1L); | |
131 | R2(D, A, B, C, X(8), 9, 0x6ED9EBA1L); | |
132 | R2(C, D, A, B, X(4), 11, 0x6ED9EBA1L); | |
133 | R2(B, C, D, A, X(12), 15, 0x6ED9EBA1L); | |
134 | R2(A, B, C, D, X(2), 3, 0x6ED9EBA1L); | |
135 | R2(D, A, B, C, X(10), 9, 0x6ED9EBA1L); | |
136 | R2(C, D, A, B, X(6), 11, 0x6ED9EBA1L); | |
137 | R2(B, C, D, A, X(14), 15, 0x6ED9EBA1L); | |
138 | R2(A, B, C, D, X(1), 3, 0x6ED9EBA1L); | |
139 | R2(D, A, B, C, X(9), 9, 0x6ED9EBA1L); | |
140 | R2(C, D, A, B, X(5), 11, 0x6ED9EBA1L); | |
141 | R2(B, C, D, A, X(13), 15, 0x6ED9EBA1L); | |
142 | R2(A, B, C, D, X(3), 3, 0x6ED9EBA1L); | |
143 | R2(D, A, B, C, X(11), 9, 0x6ED9EBA1L); | |
144 | R2(C, D, A, B, X(7), 11, 0x6ED9EBA1L); | |
145 | R2(B, C, D, A, X(15), 15, 0x6ED9EBA1L); | |
3009458e | 146 | |
0f113f3e MC |
147 | A = c->A += A; |
148 | B = c->B += B; | |
149 | C = c->C += C; | |
150 | D = c->D += D; | |
151 | } | |
152 | } | |
3009458e | 153 | #endif |