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 # elif defined(__ia64) || defined(__ia64__) || defined(_M_IA64)
73 # define md5_block_data_order md5_block_asm_data_order
74 # endif
75 #endif
76
77 void md5_block_data_order (MD5_CTX *c, const void *p,size_t num);
78
79 #define DATA_ORDER_IS_LITTLE_ENDIAN
80
81 #define HASH_LONG MD5_LONG
82 #define HASH_CTX MD5_CTX
83 #define HASH_CBLOCK MD5_CBLOCK
84 #define HASH_UPDATE MD5_Update
85 #define HASH_TRANSFORM MD5_Transform
86 #define HASH_FINAL MD5_Final
87 #define HASH_MAKE_STRING(c,s) do { \
88 unsigned long ll; \
89 ll=(c)->A; (void)HOST_l2c(ll,(s)); \
90 ll=(c)->B; (void)HOST_l2c(ll,(s)); \
91 ll=(c)->C; (void)HOST_l2c(ll,(s)); \
92 ll=(c)->D; (void)HOST_l2c(ll,(s)); \
93 } while (0)
94 #define HASH_BLOCK_DATA_ORDER md5_block_data_order
95
96 #include "md32_common.h"
97
98 /*
99 #define F(x,y,z) (((x) & (y)) | ((~(x)) & (z)))
100 #define G(x,y,z) (((x) & (z)) | ((y) & (~(z))))
101 */
102
103 /* As pointed out by Wei Dai <weidai@eskimo.com>, the above can be
104 * simplified to the code below. Wei attributes these optimizations
105 * to Peter Gutmann's SHS code, and he attributes it to Rich Schroeppel.
106 */
107 #define F(b,c,d) ((((c) ^ (d)) & (b)) ^ (d))
108 #define G(b,c,d) ((((b) ^ (c)) & (d)) ^ (c))
109 #define H(b,c,d) ((b) ^ (c) ^ (d))
110 #define I(b,c,d) (((~(d)) | (b)) ^ (c))
111
112 #define R0(a,b,c,d,k,s,t) { \
113 a+=((k)+(t)+F((b),(c),(d))); \
114 a=ROTATE(a,s); \
115 a+=b; };\
116
117 #define R1(a,b,c,d,k,s,t) { \
118 a+=((k)+(t)+G((b),(c),(d))); \
119 a=ROTATE(a,s); \
120 a+=b; };
121
122 #define R2(a,b,c,d,k,s,t) { \
123 a+=((k)+(t)+H((b),(c),(d))); \
124 a=ROTATE(a,s); \
125 a+=b; };
126
127 #define R3(a,b,c,d,k,s,t) { \
128 a+=((k)+(t)+I((b),(c),(d))); \
129 a=ROTATE(a,s); \
130 a+=b; };