1 /* Copyright (C) 1995-1997 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.]
58 #ifndef HEADER_BF_LOCL_H
59 # define HEADER_BF_LOCL_H
60 # include <openssl/opensslconf.h>
62 /* NOTE - c is not incremented as per n2l */
63 # define n2ln(c,l1,l2,n) { \
67 case 8: l2 =((unsigned long)(*(--(c)))) ; \
68 case 7: l2|=((unsigned long)(*(--(c))))<< 8; \
69 case 6: l2|=((unsigned long)(*(--(c))))<<16; \
70 case 5: l2|=((unsigned long)(*(--(c))))<<24; \
71 case 4: l1 =((unsigned long)(*(--(c)))) ; \
72 case 3: l1|=((unsigned long)(*(--(c))))<< 8; \
73 case 2: l1|=((unsigned long)(*(--(c))))<<16; \
74 case 1: l1|=((unsigned long)(*(--(c))))<<24; \
78 /* NOTE - c is not incremented as per l2n */
79 # define l2nn(l1,l2,c,n) { \
82 case 8: *(--(c))=(unsigned char)(((l2) )&0xff); \
83 case 7: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \
84 case 6: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \
85 case 5: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \
86 case 4: *(--(c))=(unsigned char)(((l1) )&0xff); \
87 case 3: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \
88 case 2: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \
89 case 1: *(--(c))=(unsigned char)(((l1)>>24)&0xff); \
94 # define n2l(c,l) (l =((unsigned long)(*((c)++)))<<24L, \
95 l|=((unsigned long)(*((c)++)))<<16L, \
96 l|=((unsigned long)(*((c)++)))<< 8L, \
97 l|=((unsigned long)(*((c)++))))
100 # define l2n(l,c) (*((c)++)=(unsigned char)(((l)>>24L)&0xff), \
101 *((c)++)=(unsigned char)(((l)>>16L)&0xff), \
102 *((c)++)=(unsigned char)(((l)>> 8L)&0xff), \
103 *((c)++)=(unsigned char)(((l) )&0xff))
106 * This is actually a big endian algorithm, the most significant byte is used
110 # define BF_ENC(LL,R,S,P) ( \
112 LL^=((( S[ ((R>>24)&0xff)] + \
113 S[0x0100+((R>>16)&0xff)])^ \
114 S[0x0200+((R>> 8)&0xff)])+ \
115 S[0x0300+((R )&0xff)])&0xffffffffU \