rmd_locl.h revision 55714
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
223