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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/ripemd.h>
62
63#define ULONG unsigned long
64#define UCHAR unsigned char
65#define UINT unsigned int
66
67#undef c2nl
68#define c2nl(c,l) (l =(((unsigned long)(*((c)++)))<<24), \
69 l|=(((unsigned long)(*((c)++)))<<16), \
70 l|=(((unsigned long)(*((c)++)))<< 8), \
71 l|=(((unsigned long)(*((c)++))) ))
72
73#undef p_c2nl
74#define p_c2nl(c,l,n) { \
75 switch (n) { \
76 case 0: l =((unsigned long)(*((c)++)))<<24; \
77 case 1: l|=((unsigned long)(*((c)++)))<<16; \
78 case 2: l|=((unsigned long)(*((c)++)))<< 8; \
79 case 3: l|=((unsigned long)(*((c)++))); \
80 } \
81 }
82
83#undef c2nl_p
84/* NOTE the pointer is not incremented at the end of this */
85#define c2nl_p(c,l,n) { \
86 l=0; \
87 (c)+=n; \
88 switch (n) { \
89 case 3: l =((unsigned long)(*(--(c))))<< 8; \
90 case 2: l|=((unsigned long)(*(--(c))))<<16; \
91 case 1: l|=((unsigned long)(*(--(c))))<<24; \
92 } \
93 }
94
95#undef p_c2nl_p
96#define p_c2nl_p(c,l,sc,len) { \
97 switch (sc) \
98 { \
99 case 0: l =((unsigned long)(*((c)++)))<<24; \
100 if (--len == 0) break; \
101 case 1: l|=((unsigned long)(*((c)++)))<<16; \
102 if (--len == 0) break; \
103 case 2: l|=((unsigned long)(*((c)++)))<< 8; \
104 } \
105 }
106
107#undef nl2c
108#define nl2c(l,c) (*((c)++)=(unsigned char)(((l)>>24)&0xff), \
109 *((c)++)=(unsigned char)(((l)>>16)&0xff), \
110 *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
111 *((c)++)=(unsigned char)(((l) )&0xff))
112
113#undef c2l
114#define c2l(c,l) (l =(((unsigned long)(*((c)++))) ), \
115 l|=(((unsigned long)(*((c)++)))<< 8), \
116 l|=(((unsigned long)(*((c)++)))<<16), \
117 l|=(((unsigned long)(*((c)++)))<<24))
118
119#undef p_c2l
120#define p_c2l(c,l,n) { \
121 switch (n) { \
122 case 0: l =((unsigned long)(*((c)++))); \
123 case 1: l|=((unsigned long)(*((c)++)))<< 8; \
124 case 2: l|=((unsigned long)(*((c)++)))<<16; \
125 case 3: l|=((unsigned long)(*((c)++)))<<24; \
126 } \
127 }
128
129#undef c2l_p
130/* NOTE the pointer is not incremented at the end of this */
131#define c2l_p(c,l,n) { \
132 l=0; \
133 (c)+=n; \
134 switch (n) { \
135 case 3: l =((unsigned long)(*(--(c))))<<16; \
136 case 2: l|=((unsigned long)(*(--(c))))<< 8; \
137 case 1: l|=((unsigned long)(*(--(c)))); \
138 } \
139 }
140
141#undef p_c2l_p
142#define p_c2l_p(c,l,sc,len) { \
143 switch (sc) \
144 { \
145 case 0: l =((unsigned long)(*((c)++))); \
146 if (--len == 0) break; \
147 case 1: l|=((unsigned long)(*((c)++)))<< 8; \
148 if (--len == 0) break; \
149 case 2: l|=((unsigned long)(*((c)++)))<<16; \
150 } \
151 }
152
153#undef l2c
154#define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \
155 *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
156 *((c)++)=(unsigned char)(((l)>>16)&0xff), \
157 *((c)++)=(unsigned char)(((l)>>24)&0xff))
158
159#undef ROTATE
160#if defined(WIN32)
161#define ROTATE(a,n) _lrotl(a,n)
162#else
163#define ROTATE(a,n) (((a)<<(n))|(((a)&0xffffffff)>>(32-(n))))
164#endif
165
166/* A nice byte order reversal from Wei Dai <weidai@eskimo.com> */
167#if defined(WIN32)
168/* 5 instructions with rotate instruction, else 9 */
169#define Endian_Reverse32(a) \
170 { \
171 unsigned long l=(a); \
172 (a)=((ROTATE(l,8)&0x00FF00FF)|(ROTATE(l,24)&0xFF00FF00)); \
173 }
174#else
175/* 6 instructions with rotate instruction, else 8 */
176#define Endian_Reverse32(a) \
177 { \
178 unsigned long l=(a); \
179 l=(((l&0xFF00FF00)>>8L)|((l&0x00FF00FF)<<8L)); \
180 (a)=ROTATE(l,16L); \
181 }
182#endif
183
184#define F1(x,y,z) ((x)^(y)^(z))
185#define F2(x,y,z) (((x)&(y))|((~x)&z))
186#define F3(x,y,z) (((x)|(~y))^(z))
187#define F4(x,y,z) (((x)&(z))|((y)&(~(z))))
188#define F5(x,y,z) ((x)^((y)|(~(z))))
189
190#define RIPEMD160_A 0x67452301L
191#define RIPEMD160_B 0xEFCDAB89L
192#define RIPEMD160_C 0x98BADCFEL
193#define RIPEMD160_D 0x10325476L
194#define RIPEMD160_E 0xC3D2E1F0L
195
196#include "rmdconst.h"
197
198#define RIP1(a,b,c,d,e,w,s) { \
199 a+=F1(b,c,d)+X[w]; \
200 a=ROTATE(a,s)+e; \
201 c=ROTATE(c,10); }
202
203#define RIP2(a,b,c,d,e,w,s,K) { \
204 a+=F2(b,c,d)+X[w]+K; \
205 a=ROTATE(a,s)+e; \
206 c=ROTATE(c,10); }
207
208#define RIP3(a,b,c,d,e,w,s,K) { \
209 a+=F3(b,c,d)+X[w]+K; \
210 a=ROTATE(a,s)+e; \
211 c=ROTATE(c,10); }
212
213#define RIP4(a,b,c,d,e,w,s,K) { \
214 a+=F4(b,c,d)+X[w]+K; \
215 a=ROTATE(a,s)+e; \
216 c=ROTATE(c,10); }
217
218#define RIP5(a,b,c,d,e,w,s,K) { \
219 a+=F5(b,c,d)+X[w]+K; \
220 a=ROTATE(a,s)+e; \
221 c=ROTATE(c,10); }
222
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