source: trunk/sys/libcrypto/others/md5/md5_locl.h @ 1

Last change on this file since 1 was 1, checked in by alain, 5 years ago

First import

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1/* crypto/md5/md5_locl.h */
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 <stdlib.h>
60#include <string.h>
61#include <openssl/e_os2.h>
62#include <openssl/md5.h>
63
64#ifndef MD5_LONG_LOG2
65#define MD5_LONG_LOG2 2 /* default to 32 bits */
66#endif
67
68#ifdef MD5_ASM
69# if defined(__i386) || defined(__i386__) || defined(_M_IX86) || defined(__INTEL__) || \
70     defined(__x86_64) || defined(__x86_64__) || defined(_M_AMD64) || defined(_M_X64)
71#  define md5_block_data_order md5_block_asm_data_order
72# endif
73#endif
74
75void md5_block_data_order (MD5_CTX *c, const void *p,size_t num);
76
77#define DATA_ORDER_IS_LITTLE_ENDIAN
78
79#define HASH_LONG               MD5_LONG
80#define HASH_CTX                MD5_CTX
81#define HASH_CBLOCK             MD5_CBLOCK
82#define HASH_UPDATE             MD5_Update
83#define HASH_TRANSFORM          MD5_Transform
84#define HASH_FINAL              MD5_Final
85#define HASH_MAKE_STRING(c,s)   do {    \
86        unsigned long ll;               \
87        ll=(c)->A; HOST_l2c(ll,(s));    \
88        ll=(c)->B; HOST_l2c(ll,(s));    \
89        ll=(c)->C; HOST_l2c(ll,(s));    \
90        ll=(c)->D; HOST_l2c(ll,(s));    \
91        } while (0)
92#define HASH_BLOCK_DATA_ORDER   md5_block_data_order
93
94#include "md32_common.h"
95
96/*
97#define F(x,y,z)        (((x) & (y))  |  ((~(x)) & (z)))
98#define G(x,y,z)        (((x) & (z))  |  ((y) & (~(z))))
99*/
100
101/* As pointed out by Wei Dai <weidai@eskimo.com>, the above can be
102 * simplified to the code below.  Wei attributes these optimizations
103 * to Peter Gutmann's SHS code, and he attributes it to Rich Schroeppel.
104 */
105#define F(b,c,d)        ((((c) ^ (d)) & (b)) ^ (d))
106#define G(b,c,d)        ((((b) ^ (c)) & (d)) ^ (c))
107#define H(b,c,d)        ((b) ^ (c) ^ (d))
108#define I(b,c,d)        (((~(d)) | (b)) ^ (c))
109
110#define R0(a,b,c,d,k,s,t) { \
111        a+=((k)+(t)+F((b),(c),(d))); \
112        a=ROTATE(a,s); \
113        a+=b; };\
114
115#define R1(a,b,c,d,k,s,t) { \
116        a+=((k)+(t)+G((b),(c),(d))); \
117        a=ROTATE(a,s); \
118        a+=b; };
119
120#define R2(a,b,c,d,k,s,t) { \
121        a+=((k)+(t)+H((b),(c),(d))); \
122        a=ROTATE(a,s); \
123        a+=b; };
124
125#define R3(a,b,c,d,k,s,t) { \
126        a+=((k)+(t)+I((b),(c),(d))); \
127        a=ROTATE(a,s); \
128        a+=b; };
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