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 <openssl/crypto.h>
62#include "md4_locl.h"
63
64const char MD4_version[]="MD4" OPENSSL_VERSION_PTEXT;
65
66/* Implemented from RFC1186 The MD4 Message-Digest Algorithm
67 */
68
69#define INIT_DATA_A (unsigned long)0x67452301L
70#define INIT_DATA_B (unsigned long)0xefcdab89L
71#define INIT_DATA_C (unsigned long)0x98badcfeL
72#define INIT_DATA_D (unsigned long)0x10325476L
73
74fips_md_init(MD4)
75	{
76	memset (c,0,sizeof(*c));
77	c->A=INIT_DATA_A;
78	c->B=INIT_DATA_B;
79	c->C=INIT_DATA_C;
80	c->D=INIT_DATA_D;
81	return 1;
82	}
83
84#ifndef md4_block_data_order
85#ifdef X
86#undef X
87#endif
88void md4_block_data_order (MD4_CTX *c, const void *data_, size_t num)
89	{
90	const unsigned char *data=data_;
91	register unsigned MD32_REG_T A,B,C,D,l;
92#ifndef MD32_XARRAY
93	/* See comment in crypto/sha/sha_locl.h for details. */
94	unsigned MD32_REG_T	XX0, XX1, XX2, XX3, XX4, XX5, XX6, XX7,
95				XX8, XX9,XX10,XX11,XX12,XX13,XX14,XX15;
96# define X(i)	XX##i
97#else
98	MD4_LONG XX[MD4_LBLOCK];
99# define X(i)	XX[i]
100#endif
101
102	A=c->A;
103	B=c->B;
104	C=c->C;
105	D=c->D;
106
107	for (;num--;)
108		{
109	(void)HOST_c2l(data,l); X( 0)=l;
110	(void)HOST_c2l(data,l); X( 1)=l;
111	/* Round 0 */
112	R0(A,B,C,D,X( 0), 3,0);	(void)HOST_c2l(data,l); X( 2)=l;
113	R0(D,A,B,C,X( 1), 7,0);	(void)HOST_c2l(data,l); X( 3)=l;
114	R0(C,D,A,B,X( 2),11,0);	(void)HOST_c2l(data,l); X( 4)=l;
115	R0(B,C,D,A,X( 3),19,0);	(void)HOST_c2l(data,l); X( 5)=l;
116	R0(A,B,C,D,X( 4), 3,0);	(void)HOST_c2l(data,l); X( 6)=l;
117	R0(D,A,B,C,X( 5), 7,0);	(void)HOST_c2l(data,l); X( 7)=l;
118	R0(C,D,A,B,X( 6),11,0);	(void)HOST_c2l(data,l); X( 8)=l;
119	R0(B,C,D,A,X( 7),19,0);	(void)HOST_c2l(data,l); X( 9)=l;
120	R0(A,B,C,D,X( 8), 3,0);	(void)HOST_c2l(data,l); X(10)=l;
121	R0(D,A,B,C,X( 9), 7,0);	(void)HOST_c2l(data,l); X(11)=l;
122	R0(C,D,A,B,X(10),11,0);	(void)HOST_c2l(data,l); X(12)=l;
123	R0(B,C,D,A,X(11),19,0);	(void)HOST_c2l(data,l); X(13)=l;
124	R0(A,B,C,D,X(12), 3,0);	(void)HOST_c2l(data,l); X(14)=l;
125	R0(D,A,B,C,X(13), 7,0);	(void)HOST_c2l(data,l); X(15)=l;
126	R0(C,D,A,B,X(14),11,0);
127	R0(B,C,D,A,X(15),19,0);
128	/* Round 1 */
129	R1(A,B,C,D,X( 0), 3,0x5A827999L);
130	R1(D,A,B,C,X( 4), 5,0x5A827999L);
131	R1(C,D,A,B,X( 8), 9,0x5A827999L);
132	R1(B,C,D,A,X(12),13,0x5A827999L);
133	R1(A,B,C,D,X( 1), 3,0x5A827999L);
134	R1(D,A,B,C,X( 5), 5,0x5A827999L);
135	R1(C,D,A,B,X( 9), 9,0x5A827999L);
136	R1(B,C,D,A,X(13),13,0x5A827999L);
137	R1(A,B,C,D,X( 2), 3,0x5A827999L);
138	R1(D,A,B,C,X( 6), 5,0x5A827999L);
139	R1(C,D,A,B,X(10), 9,0x5A827999L);
140	R1(B,C,D,A,X(14),13,0x5A827999L);
141	R1(A,B,C,D,X( 3), 3,0x5A827999L);
142	R1(D,A,B,C,X( 7), 5,0x5A827999L);
143	R1(C,D,A,B,X(11), 9,0x5A827999L);
144	R1(B,C,D,A,X(15),13,0x5A827999L);
145	/* Round 2 */
146	R2(A,B,C,D,X( 0), 3,0x6ED9EBA1L);
147	R2(D,A,B,C,X( 8), 9,0x6ED9EBA1L);
148	R2(C,D,A,B,X( 4),11,0x6ED9EBA1L);
149	R2(B,C,D,A,X(12),15,0x6ED9EBA1L);
150	R2(A,B,C,D,X( 2), 3,0x6ED9EBA1L);
151	R2(D,A,B,C,X(10), 9,0x6ED9EBA1L);
152	R2(C,D,A,B,X( 6),11,0x6ED9EBA1L);
153	R2(B,C,D,A,X(14),15,0x6ED9EBA1L);
154	R2(A,B,C,D,X( 1), 3,0x6ED9EBA1L);
155	R2(D,A,B,C,X( 9), 9,0x6ED9EBA1L);
156	R2(C,D,A,B,X( 5),11,0x6ED9EBA1L);
157	R2(B,C,D,A,X(13),15,0x6ED9EBA1L);
158	R2(A,B,C,D,X( 3), 3,0x6ED9EBA1L);
159	R2(D,A,B,C,X(11), 9,0x6ED9EBA1L);
160	R2(C,D,A,B,X( 7),11,0x6ED9EBA1L);
161	R2(B,C,D,A,X(15),15,0x6ED9EBA1L);
162
163	A = c->A += A;
164	B = c->B += B;
165	C = c->C += C;
166	D = c->D += D;
167		}
168	}
169#endif
170