xref: /freebsd/lib/libmd/rmd_locl.h (revision c697fb7f)
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 "ripemd.h"
60 
61 #undef c2nl
62 #define c2nl(c,l)	(l =(((u_int32_t)(*((c)++)))<<24), \
63 			 l|=(((u_int32_t)(*((c)++)))<<16), \
64 			 l|=(((u_int32_t)(*((c)++)))<< 8), \
65 			 l|=(((u_int32_t)(*((c)++)))    ))
66 
67 #undef p_c2nl
68 #define p_c2nl(c,l,n)	{ \
69 			switch (n) { \
70 			case 0: l =((u_int32_t)(*((c)++)))<<24; \
71 			case 1: l|=((u_int32_t)(*((c)++)))<<16; \
72 			case 2: l|=((u_int32_t)(*((c)++)))<< 8; \
73 			case 3: l|=((u_int32_t)(*((c)++))); \
74 				} \
75 			}
76 
77 #undef c2nl_p
78 /* NOTE the pointer is not incremented at the end of this */
79 #define c2nl_p(c,l,n)	{ \
80 			l=0; \
81 			(c)+=n; \
82 			switch (n) { \
83 			case 3: l =((u_int32_t)(*(--(c))))<< 8; \
84 			case 2: l|=((u_int32_t)(*(--(c))))<<16; \
85 			case 1: l|=((u_int32_t)(*(--(c))))<<24; \
86 				} \
87 			}
88 
89 #undef p_c2nl_p
90 #define p_c2nl_p(c,l,sc,len) { \
91 			switch (sc) \
92 				{ \
93 			case 0: l =((u_int32_t)(*((c)++)))<<24; \
94 				if (--len == 0) break; \
95 			case 1: l|=((u_int32_t)(*((c)++)))<<16; \
96 				if (--len == 0) break; \
97 			case 2: l|=((u_int32_t)(*((c)++)))<< 8; \
98 				} \
99 			}
100 
101 #undef nl2c
102 #define nl2c(l,c)	(*((c)++)=(unsigned char)(((l)>>24)&0xff), \
103 			 *((c)++)=(unsigned char)(((l)>>16)&0xff), \
104 			 *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
105 			 *((c)++)=(unsigned char)(((l)    )&0xff))
106 
107 #undef c2l
108 #define c2l(c,l)	(l =(((u_int32_t)(*((c)++)))    ), \
109 			 l|=(((u_int32_t)(*((c)++)))<< 8), \
110 			 l|=(((u_int32_t)(*((c)++)))<<16), \
111 			 l|=(((u_int32_t)(*((c)++)))<<24))
112 
113 #undef p_c2l
114 #define p_c2l(c,l,n)	{ \
115 			switch (n) { \
116 			case 0: l =((u_int32_t)(*((c)++))); \
117 			case 1: l|=((u_int32_t)(*((c)++)))<< 8; \
118 			case 2: l|=((u_int32_t)(*((c)++)))<<16; \
119 			case 3: l|=((u_int32_t)(*((c)++)))<<24; \
120 				} \
121 			}
122 
123 #undef c2l_p
124 /* NOTE the pointer is not incremented at the end of this */
125 #define c2l_p(c,l,n)	{ \
126 			l=0; \
127 			(c)+=n; \
128 			switch (n) { \
129 			case 3: l =((u_int32_t)(*(--(c))))<<16; \
130 			case 2: l|=((u_int32_t)(*(--(c))))<< 8; \
131 			case 1: l|=((u_int32_t)(*(--(c)))); \
132 				} \
133 			}
134 
135 #undef p_c2l_p
136 #define p_c2l_p(c,l,sc,len) { \
137 			switch (sc) \
138 				{ \
139 			case 0: l =((u_int32_t)(*((c)++))); \
140 				if (--len == 0) break; \
141 			case 1: l|=((u_int32_t)(*((c)++)))<< 8; \
142 				if (--len == 0) break; \
143 			case 2: l|=((u_int32_t)(*((c)++)))<<16; \
144 				} \
145 			}
146 
147 #undef l2c
148 #define l2c(l,c)	(*((c)++)=(unsigned char)(((l)    )&0xff), \
149 			 *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
150 			 *((c)++)=(unsigned char)(((l)>>16)&0xff), \
151 			 *((c)++)=(unsigned char)(((l)>>24)&0xff))
152 
153 #undef ROTATE
154 #if defined(WIN32)
155 #define ROTATE(a,n)     _lrotl(a,n)
156 #else
157 #define ROTATE(a,n)     (((a)<<(n))|(((a)&0xffffffff)>>(32-(n))))
158 #endif
159 
160 /* A nice byte order reversal from Wei Dai <weidai@eskimo.com> */
161 #if defined(WIN32)
162 /* 5 instructions with rotate instruction, else 9 */
163 #define Endian_Reverse32(a) \
164 	{ \
165 	u_int32_t l=(a); \
166 	(a)=((ROTATE(l,8)&0x00FF00FF)|(ROTATE(l,24)&0xFF00FF00)); \
167 	}
168 #else
169 /* 6 instructions with rotate instruction, else 8 */
170 #define Endian_Reverse32(a) \
171 	{ \
172 	u_int32_t l=(a); \
173 	l=(((l&0xFF00FF00)>>8L)|((l&0x00FF00FF)<<8L)); \
174 	(a)=ROTATE(l,16L); \
175 	}
176 #endif
177 
178 #define F1(x,y,z)	 ((x)^(y)^(z))
179 #define F2(x,y,z)	(((x)&(y))|((~x)&z))
180 #define F3(x,y,z)	(((x)|(~y))^(z))
181 #define F4(x,y,z)	(((x)&(z))|((y)&(~(z))))
182 #define F5(x,y,z)	 ((x)^((y)|(~(z))))
183 
184 #define RIPEMD160_A	0x67452301L
185 #define RIPEMD160_B	0xEFCDAB89L
186 #define RIPEMD160_C	0x98BADCFEL
187 #define RIPEMD160_D	0x10325476L
188 #define RIPEMD160_E	0xC3D2E1F0L
189 
190 #include "rmdconst.h"
191 
192 #define RIP1(a,b,c,d,e,w,s) { \
193 	a+=F1(b,c,d)+X[w]; \
194         a=ROTATE(a,s)+e; \
195         c=ROTATE(c,10); }
196 
197 #define RIP2(a,b,c,d,e,w,s,K) { \
198 	a+=F2(b,c,d)+X[w]+K; \
199         a=ROTATE(a,s)+e; \
200         c=ROTATE(c,10); }
201 
202 #define RIP3(a,b,c,d,e,w,s,K) { \
203 	a+=F3(b,c,d)+X[w]+K; \
204         a=ROTATE(a,s)+e; \
205         c=ROTATE(c,10); }
206 
207 #define RIP4(a,b,c,d,e,w,s,K) { \
208 	a+=F4(b,c,d)+X[w]+K; \
209         a=ROTATE(a,s)+e; \
210         c=ROTATE(c,10); }
211 
212 #define RIP5(a,b,c,d,e,w,s,K) { \
213 	a+=F5(b,c,d)+X[w]+K; \
214         a=ROTATE(a,s)+e; \
215         c=ROTATE(c,10); }
216 
217