1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
|
/*
* Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the OpenSSL license (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include <stdio.h>
#include <openssl/opensslv.h>
#include "md4_local.h"
/*
* Implemented from RFC1186 The MD4 Message-Digest Algorithm
*/
#define INIT_DATA_A (unsigned long)0x67452301L
#define INIT_DATA_B (unsigned long)0xefcdab89L
#define INIT_DATA_C (unsigned long)0x98badcfeL
#define INIT_DATA_D (unsigned long)0x10325476L
int MD4_Init(MD4_CTX *c)
{
memset(c, 0, sizeof(*c));
c->A = INIT_DATA_A;
c->B = INIT_DATA_B;
c->C = INIT_DATA_C;
c->D = INIT_DATA_D;
return 1;
}
#ifndef md4_block_data_order
# ifdef X
# undef X
# endif
void md4_block_data_order(MD4_CTX *c, const void *data_, size_t num)
{
const unsigned char *data = data_;
register unsigned MD32_REG_T A, B, C, D, l;
# ifndef MD32_XARRAY
/* See comment in crypto/sha/sha_local.h for details. */
unsigned MD32_REG_T XX0, XX1, XX2, XX3, XX4, XX5, XX6, XX7,
XX8, XX9, XX10, XX11, XX12, XX13, XX14, XX15;
# define X(i) XX##i
# else
MD4_LONG XX[MD4_LBLOCK];
# define X(i) XX[i]
# endif
A = c->A;
B = c->B;
C = c->C;
D = c->D;
for (; num--;) {
(void)HOST_c2l(data, l);
X(0) = l;
(void)HOST_c2l(data, l);
X(1) = l;
/* Round 0 */
R0(A, B, C, D, X(0), 3, 0);
(void)HOST_c2l(data, l);
X(2) = l;
R0(D, A, B, C, X(1), 7, 0);
(void)HOST_c2l(data, l);
X(3) = l;
R0(C, D, A, B, X(2), 11, 0);
(void)HOST_c2l(data, l);
X(4) = l;
R0(B, C, D, A, X(3), 19, 0);
(void)HOST_c2l(data, l);
X(5) = l;
R0(A, B, C, D, X(4), 3, 0);
(void)HOST_c2l(data, l);
X(6) = l;
R0(D, A, B, C, X(5), 7, 0);
(void)HOST_c2l(data, l);
X(7) = l;
R0(C, D, A, B, X(6), 11, 0);
(void)HOST_c2l(data, l);
X(8) = l;
R0(B, C, D, A, X(7), 19, 0);
(void)HOST_c2l(data, l);
X(9) = l;
R0(A, B, C, D, X(8), 3, 0);
(void)HOST_c2l(data, l);
X(10) = l;
R0(D, A, B, C, X(9), 7, 0);
(void)HOST_c2l(data, l);
X(11) = l;
R0(C, D, A, B, X(10), 11, 0);
(void)HOST_c2l(data, l);
X(12) = l;
R0(B, C, D, A, X(11), 19, 0);
(void)HOST_c2l(data, l);
X(13) = l;
R0(A, B, C, D, X(12), 3, 0);
(void)HOST_c2l(data, l);
X(14) = l;
R0(D, A, B, C, X(13), 7, 0);
(void)HOST_c2l(data, l);
X(15) = l;
R0(C, D, A, B, X(14), 11, 0);
R0(B, C, D, A, X(15), 19, 0);
/* Round 1 */
R1(A, B, C, D, X(0), 3, 0x5A827999L);
R1(D, A, B, C, X(4), 5, 0x5A827999L);
R1(C, D, A, B, X(8), 9, 0x5A827999L);
R1(B, C, D, A, X(12), 13, 0x5A827999L);
R1(A, B, C, D, X(1), 3, 0x5A827999L);
R1(D, A, B, C, X(5), 5, 0x5A827999L);
R1(C, D, A, B, X(9), 9, 0x5A827999L);
R1(B, C, D, A, X(13), 13, 0x5A827999L);
R1(A, B, C, D, X(2), 3, 0x5A827999L);
R1(D, A, B, C, X(6), 5, 0x5A827999L);
R1(C, D, A, B, X(10), 9, 0x5A827999L);
R1(B, C, D, A, X(14), 13, 0x5A827999L);
R1(A, B, C, D, X(3), 3, 0x5A827999L);
R1(D, A, B, C, X(7), 5, 0x5A827999L);
R1(C, D, A, B, X(11), 9, 0x5A827999L);
R1(B, C, D, A, X(15), 13, 0x5A827999L);
/* Round 2 */
R2(A, B, C, D, X(0), 3, 0x6ED9EBA1L);
R2(D, A, B, C, X(8), 9, 0x6ED9EBA1L);
R2(C, D, A, B, X(4), 11, 0x6ED9EBA1L);
R2(B, C, D, A, X(12), 15, 0x6ED9EBA1L);
R2(A, B, C, D, X(2), 3, 0x6ED9EBA1L);
R2(D, A, B, C, X(10), 9, 0x6ED9EBA1L);
R2(C, D, A, B, X(6), 11, 0x6ED9EBA1L);
R2(B, C, D, A, X(14), 15, 0x6ED9EBA1L);
R2(A, B, C, D, X(1), 3, 0x6ED9EBA1L);
R2(D, A, B, C, X(9), 9, 0x6ED9EBA1L);
R2(C, D, A, B, X(5), 11, 0x6ED9EBA1L);
R2(B, C, D, A, X(13), 15, 0x6ED9EBA1L);
R2(A, B, C, D, X(3), 3, 0x6ED9EBA1L);
R2(D, A, B, C, X(11), 9, 0x6ED9EBA1L);
R2(C, D, A, B, X(7), 11, 0x6ED9EBA1L);
R2(B, C, D, A, X(15), 15, 0x6ED9EBA1L);
A = c->A += A;
B = c->B += B;
C = c->C += C;
D = c->D += D;
}
}
#endif
|
