blowfish.h revision 62587 
1/*	$FreeBSD: head/sys/crypto/blowfish/blowfish.h 62587 2000-07-04 16:35:15Z itojun $	*/
2/*	$KAME: blowfish.h,v 1.4 2000/06/14 10:41:16 itojun Exp $	*/
3
4/* crypto/bf/blowfish.h */
5/* Copyright (C) 1995-1997 Eric Young (eay@mincom.oz.au)
6 * All rights reserved.
7 *
8 * This package is an SSL implementation written
9 * by Eric Young (eay@mincom.oz.au).
10 * The implementation was written so as to conform with Netscapes SSL.
11 *
12 * This library is free for commercial and non-commercial use as long as
13 * the following conditions are aheared to.  The following conditions
14 * apply to all code found in this distribution, be it the RC4, RSA,
15 * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
16 * included with this distribution is covered by the same copyright terms
17 * except that the holder is Tim Hudson (tjh@mincom.oz.au).
18 *
19 * Copyright remains Eric Young's, and as such any Copyright notices in
20 * the code are not to be removed.
21 * If this package is used in a product, Eric Young should be given attribution
22 * as the author of the parts of the library used.
23 * This can be in the form of a textual message at program startup or
24 * in documentation (online or textual) provided with the package.
25 *
26 * Redistribution and use in source and binary forms, with or without
27 * modification, are permitted provided that the following conditions
28 * are met:
29 * 1. Redistributions of source code must retain the copyright
30 *    notice, this list of conditions and the following disclaimer.
31 * 2. Redistributions in binary form must reproduce the above copyright
32 *    notice, this list of conditions and the following disclaimer in the
33 *    documentation and/or other materials provided with the distribution.
34 * 3. All advertising materials mentioning features or use of this software
35 *    must display the following acknowledgement:
36 *    "This product includes cryptographic software written by
37 *     Eric Young (eay@mincom.oz.au)"
38 *    The word 'cryptographic' can be left out if the rouines from the library
39 *    being used are not cryptographic related :-).
40 * 4. If you include any Windows specific code (or a derivative thereof) from
41 *    the apps directory (application code) you must include an acknowledgement:
42 *    "This product includes software written by Tim Hudson (tjh@mincom.oz.au)"
43 *
44 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
45 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
46 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
47 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
48 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
49 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
50 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
51 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
52 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
53 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
54 * SUCH DAMAGE.
55 *
56 * The licence and distribution terms for any publically available version or
57 * derivative of this code cannot be changed.  i.e. this code cannot simply be
58 * copied and put under another distribution licence
59 * [including the GNU Public Licence.]
60 */
61
62#ifndef HEADER_BLOWFISH_H
63#define HEADER_BLOWFISH_H
64
65#ifdef  __cplusplus
66extern "C" {
67#endif
68
69#define BF_ENCRYPT	1
70#define BF_DECRYPT	0
71
72/* If you make this 'unsigned int' the pointer variants will work on
73 * the Alpha, otherwise they will not.  Strangly using the '8 byte'
74 * BF_LONG and the default 'non-pointer' inner loop is the best configuration
75 * for the Alpha */
76#define BF_LONG unsigned long
77
78#define BF_ROUNDS	16
79#define BF_BLOCK	8
80
81typedef struct bf_key_st
82	{
83	BF_LONG P[BF_ROUNDS+2];
84	BF_LONG S[4*256];
85	} BF_KEY;
86
87#ifndef NOPROTO
88
89void BF_set_key(BF_KEY *key, int len, unsigned char *data);
90void BF_ecb_encrypt(unsigned char *in,unsigned char *out,BF_KEY *key,
91	int encrypt);
92void BF_encrypt(BF_LONG *data,BF_KEY *key,int encrypt);
93void BF_cbc_encrypt(unsigned char *in, unsigned char *out, long length,
94	BF_KEY *ks, unsigned char *iv, int encrypt);
95void BF_cfb64_encrypt(unsigned char *in, unsigned char *out, long length,
96	BF_KEY *schedule, unsigned char *ivec, int *num, int encrypt);
97void BF_ofb64_encrypt(unsigned char *in, unsigned char *out, long length,
98	BF_KEY *schedule, unsigned char *ivec, int *num);
99char *BF_options(void);
100
101/* added by itojun */
102struct mbuf;
103int BF_cbc_encrypt_m(struct mbuf *, int, int, BF_KEY *, unsigned char *, int);
104
105#else
106
107void BF_set_key();
108void BF_ecb_encrypt();
109void BF_encrypt();
110void BF_cbc_encrypt();
111void BF_cfb64_encrypt();
112void BF_ofb64_encrypt();
113char *BF_options();
114
115/* added by itojun */
116void BF_cbc_encrypt_m();
117
118#endif
119
120#ifdef  __cplusplus
121}
122#endif
123
124#endif
125