1 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
4 * This package is an SSL implementation written
5 * by Eric Young (eay@cryptsoft.com).
6 * The implementation was written so as to conform with Netscapes SSL.
8 * This library is free for commercial and non-commercial use as long as
9 * the following conditions are aheared to. The following conditions
10 * apply to all code found in this distribution, be it the RC4, RSA,
11 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
12 * included with this distribution is covered by the same copyright terms
13 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 * Copyright remains Eric Young's, and as such any Copyright notices in
16 * the code are not to be removed.
17 * If this package is used in a product, Eric Young should be given attribution
18 * as the author of the parts of the library used.
19 * This can be in the form of a textual message at program startup or
20 * in documentation (online or textual) provided with the package.
22 * Redistribution and use in source and binary forms, with or without
23 * modification, are permitted provided that the following conditions
25 * 1. Redistributions of source code must retain the copyright
26 * notice, this list of conditions and the following disclaimer.
27 * 2. Redistributions in binary form must reproduce the above copyright
28 * notice, this list of conditions and the following disclaimer in the
29 * documentation and/or other materials provided with the distribution.
30 * 3. All advertising materials mentioning features or use of this software
31 * must display the following acknowledgement:
32 * "This product includes cryptographic software written by
33 * Eric Young (eay@cryptsoft.com)"
34 * The word 'cryptographic' can be left out if the rouines from the library
35 * being used are not cryptographic related :-).
36 * 4. If you include any Windows specific code (or a derivative thereof) from
37 * the apps directory (application code) you must include an acknowledgement:
38 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
43 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
52 * The licence and distribution terms for any publically available version or
53 * derivative of this code cannot be changed. i.e. this code cannot simply be
54 * copied and put under another distribution licence
55 * [including the GNU Public Licence.]
61 #define c2l(c,l) (l =((unsigned long)(*((c)++))) , \
62 l|=((unsigned long)(*((c)++)))<< 8L, \
63 l|=((unsigned long)(*((c)++)))<<16L, \
64 l|=((unsigned long)(*((c)++)))<<24L)
66 /* NOTE - c is not incremented as per c2l */
68 #define c2ln(c,l1,l2,n) { \
72 case 8: l2 =((unsigned long)(*(--(c))))<<24L; \
73 case 7: l2|=((unsigned long)(*(--(c))))<<16L; \
74 case 6: l2|=((unsigned long)(*(--(c))))<< 8L; \
75 case 5: l2|=((unsigned long)(*(--(c)))); \
76 case 4: l1 =((unsigned long)(*(--(c))))<<24L; \
77 case 3: l1|=((unsigned long)(*(--(c))))<<16L; \
78 case 2: l1|=((unsigned long)(*(--(c))))<< 8L; \
79 case 1: l1|=((unsigned long)(*(--(c)))); \
84 #define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \
85 *((c)++)=(unsigned char)(((l)>> 8L)&0xff), \
86 *((c)++)=(unsigned char)(((l)>>16L)&0xff), \
87 *((c)++)=(unsigned char)(((l)>>24L)&0xff))
89 /* NOTE - c is not incremented as per l2c */
91 #define l2cn(l1,l2,c,n) { \
94 case 8: *(--(c))=(unsigned char)(((l2)>>24L)&0xff); \
95 case 7: *(--(c))=(unsigned char)(((l2)>>16L)&0xff); \
96 case 6: *(--(c))=(unsigned char)(((l2)>> 8L)&0xff); \
97 case 5: *(--(c))=(unsigned char)(((l2) )&0xff); \
98 case 4: *(--(c))=(unsigned char)(((l1)>>24L)&0xff); \
99 case 3: *(--(c))=(unsigned char)(((l1)>>16L)&0xff); \
100 case 2: *(--(c))=(unsigned char)(((l1)>> 8L)&0xff); \
101 case 1: *(--(c))=(unsigned char)(((l1) )&0xff); \
105 /* NOTE - c is not incremented as per n2l */
106 #define n2ln(c,l1,l2,n) { \
110 case 8: l2 =((unsigned long)(*(--(c)))) ; \
111 case 7: l2|=((unsigned long)(*(--(c))))<< 8; \
112 case 6: l2|=((unsigned long)(*(--(c))))<<16; \
113 case 5: l2|=((unsigned long)(*(--(c))))<<24; \
114 case 4: l1 =((unsigned long)(*(--(c)))) ; \
115 case 3: l1|=((unsigned long)(*(--(c))))<< 8; \
116 case 2: l1|=((unsigned long)(*(--(c))))<<16; \
117 case 1: l1|=((unsigned long)(*(--(c))))<<24; \
121 /* NOTE - c is not incremented as per l2n */
122 #define l2nn(l1,l2,c,n) { \
125 case 8: *(--(c))=(unsigned char)(((l2) )&0xff); \
126 case 7: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \
127 case 6: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \
128 case 5: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \
129 case 4: *(--(c))=(unsigned char)(((l1) )&0xff); \
130 case 3: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \
131 case 2: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \
132 case 1: *(--(c))=(unsigned char)(((l1)>>24)&0xff); \
137 #define n2l(c,l) (l =((unsigned long)(*((c)++)))<<24L, \
138 l|=((unsigned long)(*((c)++)))<<16L, \
139 l|=((unsigned long)(*((c)++)))<< 8L, \
140 l|=((unsigned long)(*((c)++))))
143 #define l2n(l,c) (*((c)++)=(unsigned char)(((l)>>24L)&0xff), \
144 *((c)++)=(unsigned char)(((l)>>16L)&0xff), \
145 *((c)++)=(unsigned char)(((l)>> 8L)&0xff), \
146 *((c)++)=(unsigned char)(((l) )&0xff))
148 #if (defined(OPENSSL_SYS_WIN32) && defined(_MSC_VER))
149 # define ROTATE_l32(a,n) _lrotl(a,n)
150 # define ROTATE_r32(a,n) _lrotr(a,n)
152 # define ROTATE_l32(a,n) _rotl(a,n)
153 # define ROTATE_r32(a,n) _rotr(a,n)
154 #elif defined(__GNUC__) && __GNUC__>=2 && !defined(__STRICT_ANSI__) && !defined(OPENSSL_NO_ASM) && !defined(OPENSSL_NO_INLINE_ASM) && !defined(PEDANTIC)
155 # if defined(__i386) || defined(__i386__) || defined(__x86_64) || defined(__x86_64__)
156 # define ROTATE_l32(a,n) ({ register unsigned int ret; \
157 asm ("roll %%cl,%0" \
159 : "c"(n),"0"((unsigned int)(a)) \
163 # define ROTATE_r32(a,n) ({ register unsigned int ret; \
164 asm ("rorl %%cl,%0" \
166 : "c"(n),"0"((unsigned int)(a)) \
173 # define ROTATE_l32(a,n) (((a)<<(n&0x1f))|(((a)&0xffffffff)>>((32-n)&0x1f)))
176 # define ROTATE_r32(a,n) (((a)<<((32-n)&0x1f))|(((a)&0xffffffff)>>(n&0x1f)))
179 #define RC5_32_MASK 0xffffffffL
181 #define RC5_16_P 0xB7E1
182 #define RC5_16_Q 0x9E37
183 #define RC5_32_P 0xB7E15163L
184 #define RC5_32_Q 0x9E3779B9L
185 #define RC5_64_P 0xB7E151628AED2A6BLL
186 #define RC5_64_Q 0x9E3779B97F4A7C15LL
188 #define E_RC5_32(a,b,s,n) \
198 #define D_RC5_32(a,b,s,n) \