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1 : : /* crypto/md4/md4_dgst.c */
2 : : /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 : : * All rights reserved.
4 : : *
5 : : * This package is an SSL implementation written
6 : : * by Eric Young (eay@cryptsoft.com).
7 : : * The implementation was written so as to conform with Netscapes SSL.
8 : : *
9 : : * This library is free for commercial and non-commercial use as long as
10 : : * the following conditions are aheared to. The following conditions
11 : : * apply to all code found in this distribution, be it the RC4, RSA,
12 : : * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 : : * included with this distribution is covered by the same copyright terms
14 : : * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 : : *
16 : : * Copyright remains Eric Young's, and as such any Copyright notices in
17 : : * the code are not to be removed.
18 : : * If this package is used in a product, Eric Young should be given attribution
19 : : * as the author of the parts of the library used.
20 : : * This can be in the form of a textual message at program startup or
21 : : * in documentation (online or textual) provided with the package.
22 : : *
23 : : * Redistribution and use in source and binary forms, with or without
24 : : * modification, are permitted provided that the following conditions
25 : : * are met:
26 : : * 1. Redistributions of source code must retain the copyright
27 : : * notice, this list of conditions and the following disclaimer.
28 : : * 2. Redistributions in binary form must reproduce the above copyright
29 : : * notice, this list of conditions and the following disclaimer in the
30 : : * documentation and/or other materials provided with the distribution.
31 : : * 3. All advertising materials mentioning features or use of this software
32 : : * must display the following acknowledgement:
33 : : * "This product includes cryptographic software written by
34 : : * Eric Young (eay@cryptsoft.com)"
35 : : * The word 'cryptographic' can be left out if the rouines from the library
36 : : * being used are not cryptographic related :-).
37 : : * 4. If you include any Windows specific code (or a derivative thereof) from
38 : : * the apps directory (application code) you must include an acknowledgement:
39 : : * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 : : *
41 : : * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 : : * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 : : * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 : : * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 : : * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 : : * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 : : * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 : : * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 : : * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 : : * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 : : * SUCH DAMAGE.
52 : : *
53 : : * The licence and distribution terms for any publically available version or
54 : : * derivative of this code cannot be changed. i.e. this code cannot simply be
55 : : * copied and put under another distribution licence
56 : : * [including the GNU Public Licence.]
57 : : */
58 : :
59 : : #include <stdio.h>
60 : : #include <openssl/opensslv.h>
61 : : #include "md4_locl.h"
62 : :
63 : : const char MD4_version[]="MD4" OPENSSL_VERSION_PTEXT;
64 : :
65 : : /* Implemented from RFC1186 The MD4 Message-Digest Algorithm
66 : : */
67 : :
68 : : #define INIT_DATA_A (unsigned long)0x67452301L
69 : : #define INIT_DATA_B (unsigned long)0xefcdab89L
70 : : #define INIT_DATA_C (unsigned long)0x98badcfeL
71 : : #define INIT_DATA_D (unsigned long)0x10325476L
72 : :
73 : 7 : int MD4_Init(MD4_CTX *c)
74 : : {
75 : : memset (c,0,sizeof(*c));
76 : 7 : c->A=INIT_DATA_A;
77 : 7 : c->B=INIT_DATA_B;
78 : 7 : c->C=INIT_DATA_C;
79 : 7 : c->D=INIT_DATA_D;
80 : 7 : return 1;
81 : : }
82 : :
83 : : #ifndef md4_block_data_order
84 : : #ifdef X
85 : : #undef X
86 : : #endif
87 : 9 : void md4_block_data_order (MD4_CTX *c, const void *data_, size_t num)
88 : : {
89 : 9 : const unsigned char *data=data_;
90 : : register unsigned MD32_REG_T A,B,C,D,l;
91 : : #ifndef MD32_XARRAY
92 : : /* See comment in crypto/sha/sha_locl.h for details. */
93 : : unsigned MD32_REG_T XX0, XX1, XX2, XX3, XX4, XX5, XX6, XX7,
94 : : XX8, XX9,XX10,XX11,XX12,XX13,XX14,XX15;
95 : : # define X(i) XX##i
96 : : #else
97 : : MD4_LONG XX[MD4_LBLOCK];
98 : : # define X(i) XX[i]
99 : : #endif
100 : :
101 : 9 : A=c->A;
102 : 9 : B=c->B;
103 : 9 : C=c->C;
104 : 9 : D=c->D;
105 : :
106 [ + + ]: 18 : for (;num--;)
107 : : {
108 : 9 : (void)HOST_c2l(data,l); X( 0)=l;
109 : 9 : (void)HOST_c2l(data,l); X( 1)=l;
110 : : /* Round 0 */
111 : 9 : R0(A,B,C,D,X( 0), 3,0); (void)HOST_c2l(data,l); X( 2)=l;
112 : 9 : R0(D,A,B,C,X( 1), 7,0); (void)HOST_c2l(data,l); X( 3)=l;
113 : 9 : R0(C,D,A,B,X( 2),11,0); (void)HOST_c2l(data,l); X( 4)=l;
114 : 9 : R0(B,C,D,A,X( 3),19,0); (void)HOST_c2l(data,l); X( 5)=l;
115 : 9 : R0(A,B,C,D,X( 4), 3,0); (void)HOST_c2l(data,l); X( 6)=l;
116 : 9 : R0(D,A,B,C,X( 5), 7,0); (void)HOST_c2l(data,l); X( 7)=l;
117 : 9 : R0(C,D,A,B,X( 6),11,0); (void)HOST_c2l(data,l); X( 8)=l;
118 : 9 : R0(B,C,D,A,X( 7),19,0); (void)HOST_c2l(data,l); X( 9)=l;
119 : 9 : R0(A,B,C,D,X( 8), 3,0); (void)HOST_c2l(data,l); X(10)=l;
120 : 9 : R0(D,A,B,C,X( 9), 7,0); (void)HOST_c2l(data,l); X(11)=l;
121 : 9 : R0(C,D,A,B,X(10),11,0); (void)HOST_c2l(data,l); X(12)=l;
122 : 9 : R0(B,C,D,A,X(11),19,0); (void)HOST_c2l(data,l); X(13)=l;
123 : 9 : R0(A,B,C,D,X(12), 3,0); (void)HOST_c2l(data,l); X(14)=l;
124 : 9 : R0(D,A,B,C,X(13), 7,0); (void)HOST_c2l(data,l); X(15)=l;
125 : 9 : R0(C,D,A,B,X(14),11,0);
126 : 9 : R0(B,C,D,A,X(15),19,0);
127 : : /* Round 1 */
128 : 9 : R1(A,B,C,D,X( 0), 3,0x5A827999L);
129 : 9 : R1(D,A,B,C,X( 4), 5,0x5A827999L);
130 : 9 : R1(C,D,A,B,X( 8), 9,0x5A827999L);
131 : 9 : R1(B,C,D,A,X(12),13,0x5A827999L);
132 : 9 : R1(A,B,C,D,X( 1), 3,0x5A827999L);
133 : 9 : R1(D,A,B,C,X( 5), 5,0x5A827999L);
134 : 9 : R1(C,D,A,B,X( 9), 9,0x5A827999L);
135 : 9 : R1(B,C,D,A,X(13),13,0x5A827999L);
136 : 9 : R1(A,B,C,D,X( 2), 3,0x5A827999L);
137 : 9 : R1(D,A,B,C,X( 6), 5,0x5A827999L);
138 : 9 : R1(C,D,A,B,X(10), 9,0x5A827999L);
139 : 9 : R1(B,C,D,A,X(14),13,0x5A827999L);
140 : 9 : R1(A,B,C,D,X( 3), 3,0x5A827999L);
141 : 9 : R1(D,A,B,C,X( 7), 5,0x5A827999L);
142 : 9 : R1(C,D,A,B,X(11), 9,0x5A827999L);
143 : 9 : R1(B,C,D,A,X(15),13,0x5A827999L);
144 : : /* Round 2 */
145 : 9 : R2(A,B,C,D,X( 0), 3,0x6ED9EBA1L);
146 : 9 : R2(D,A,B,C,X( 8), 9,0x6ED9EBA1L);
147 : 9 : R2(C,D,A,B,X( 4),11,0x6ED9EBA1L);
148 : 9 : R2(B,C,D,A,X(12),15,0x6ED9EBA1L);
149 : 9 : R2(A,B,C,D,X( 2), 3,0x6ED9EBA1L);
150 : 9 : R2(D,A,B,C,X(10), 9,0x6ED9EBA1L);
151 : 9 : R2(C,D,A,B,X( 6),11,0x6ED9EBA1L);
152 : 9 : R2(B,C,D,A,X(14),15,0x6ED9EBA1L);
153 : 9 : R2(A,B,C,D,X( 1), 3,0x6ED9EBA1L);
154 : 9 : R2(D,A,B,C,X( 9), 9,0x6ED9EBA1L);
155 : 9 : R2(C,D,A,B,X( 5),11,0x6ED9EBA1L);
156 : 9 : R2(B,C,D,A,X(13),15,0x6ED9EBA1L);
157 : 9 : R2(A,B,C,D,X( 3), 3,0x6ED9EBA1L);
158 : 9 : R2(D,A,B,C,X(11), 9,0x6ED9EBA1L);
159 : 9 : R2(C,D,A,B,X( 7),11,0x6ED9EBA1L);
160 : 9 : R2(B,C,D,A,X(15),15,0x6ED9EBA1L);
161 : :
162 : 9 : A = c->A += A;
163 : 9 : B = c->B += B;
164 : 9 : C = c->C += C;
165 : 9 : D = c->D += D;
166 : : }
167 : 9 : }
168 : : #endif
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