1 /* crypto/ripemd/rmd_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/opensslconf.h>
62 #include <openssl/ripemd.h>
63
64 #ifndef RIPEMD160_LONG_LOG2
65 #define RIPEMD160_LONG_LOG2 2 /* default to 32 bits */
66 #endif
67
68 /*
69 * DO EXAMINE COMMENTS IN crypto/md5/md5_locl.h & crypto/md5/md5_dgst.c
70 * FOR EXPLANATIONS ON FOLLOWING "CODE."
71 * <appro@fy.chalmers.se>
72 */
73 #ifdef RMD160_ASM
74 # if defined(__i386) || defined(__i386__) || defined(_M_IX86) || defined(__INTEL__)
75 # define ripemd160_block_data_order ripemd160_block_asm_data_order
76 # endif
77 #endif
78
79 void ripemd160_block_data_order (RIPEMD160_CTX *c, const void *p,size_t num);
80
81 #define DATA_ORDER_IS_LITTLE_ENDIAN
82
83 #define HASH_LONG RIPEMD160_LONG
84 #define HASH_CTX RIPEMD160_CTX
85 #define HASH_CBLOCK RIPEMD160_CBLOCK
86 #define HASH_UPDATE RIPEMD160_Update
87 #define HASH_TRANSFORM RIPEMD160_Transform
88 #define HASH_FINAL RIPEMD160_Final
89 #define HASH_MAKE_STRING(c,s) do { \
90 unsigned long ll; \
91 ll=(c)->A; (void)HOST_l2c(ll,(s)); \
92 ll=(c)->B; (void)HOST_l2c(ll,(s)); \
93 ll=(c)->C; (void)HOST_l2c(ll,(s)); \
94 ll=(c)->D; (void)HOST_l2c(ll,(s)); \
95 ll=(c)->E; (void)HOST_l2c(ll,(s)); \
96 } while (0)
97 #define HASH_BLOCK_DATA_ORDER ripemd160_block_data_order
98
99 #include "md32_common.h"
100
101 #if 0
102 #define F1(x,y,z) ((x)^(y)^(z))
103 #define F2(x,y,z) (((x)&(y))|((~x)&z))
104 #define F3(x,y,z) (((x)|(~y))^(z))
105 #define F4(x,y,z) (((x)&(z))|((y)&(~(z))))
106 #define F5(x,y,z) ((x)^((y)|(~(z))))
107 #else
108 /*
109 * Transformed F2 and F4 are courtesy of Wei Dai <weidai@eskimo.com>
110 */
111 #define F1(x,y,z) ((x) ^ (y) ^ (z))
112 #define F2(x,y,z) ((((y) ^ (z)) & (x)) ^ (z))
113 #define F3(x,y,z) (((~(y)) | (x)) ^ (z))
114 #define F4(x,y,z) ((((x) ^ (y)) & (z)) ^ (y))
115 #define F5(x,y,z) (((~(z)) | (y)) ^ (x))
116 #endif
117
118 #define RIPEMD160_A 0x67452301L
119 #define RIPEMD160_B 0xEFCDAB89L
120 #define RIPEMD160_C 0x98BADCFEL
121 #define RIPEMD160_D 0x10325476L
122 #define RIPEMD160_E 0xC3D2E1F0L
123
124 #include "rmdconst.h"
125
126 #define RIP1(a,b,c,d,e,w,s) { \
127 a+=F1(b,c,d)+X(w); \
128 a=ROTATE(a,s)+e; \
129 c=ROTATE(c,10); }
130
131 #define RIP2(a,b,c,d,e,w,s,K) { \
132 a+=F2(b,c,d)+X(w)+K; \
133 a=ROTATE(a,s)+e; \
134 c=ROTATE(c,10); }
135
136 #define RIP3(a,b,c,d,e,w,s,K) { \
137 a+=F3(b,c,d)+X(w)+K; \
138 a=ROTATE(a,s)+e; \
139 c=ROTATE(c,10); }
140
141 #define RIP4(a,b,c,d,e,w,s,K) { \
142 a+=F4(b,c,d)+X(w)+K; \
143 a=ROTATE(a,s)+e; \
144 c=ROTATE(c,10); }
145
146 #define RIP5(a,b,c,d,e,w,s,K) { \
147 a+=F5(b,c,d)+X(w)+K; \
148 a=ROTATE(a,s)+e; \
149 c=ROTATE(c,10); }