1
/* crypto/bf/blowfish.h */
2
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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.
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).
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.
23
* Redistribution and use in source and binary forms, with or without
24
* modification, are permitted provided that the following conditions
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)"
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
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.]
59
#ifndef HEADER_BLOWFISH_H
60
#define HEADER_BLOWFISH_H
62
#include <openssl/e_os2.h>
69
#error BF is disabled.
76
* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
77
* ! BF_LONG has to be at least 32 bits wide. If it's wider, then !
78
* ! BF_LONG_LOG2 has to be defined along. !
79
* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
83
#define BF_LONG unsigned long
84
#elif defined(OPENSSL_SYS_CRAY) || defined(__ILP64__)
85
#define BF_LONG unsigned long
86
#define BF_LONG_LOG2 3
88
* _CRAY note. I could declare short, but I have no idea what impact
89
* does it have on performance on none-T3E machines. I could declare
90
* int, but at least on C90 sizeof(int) can be chosen at compile time.
91
* So I've chosen long...
92
* <appro@fy.chalmers.se>
95
#define BF_LONG unsigned int
101
typedef struct bf_key_st
103
BF_LONG P[BF_ROUNDS+2];
108
void BF_set_key(BF_KEY *key, int len, const unsigned char *data);
110
void BF_encrypt(BF_LONG *data,const BF_KEY *key);
111
void BF_decrypt(BF_LONG *data,const BF_KEY *key);
113
void BF_ecb_encrypt(const unsigned char *in, unsigned char *out,
114
const BF_KEY *key, int enc);
115
void BF_cbc_encrypt(const unsigned char *in, unsigned char *out, long length,
116
const BF_KEY *schedule, unsigned char *ivec, int enc);
117
void BF_cfb64_encrypt(const unsigned char *in, unsigned char *out, long length,
118
const BF_KEY *schedule, unsigned char *ivec, int *num, int enc);
119
void BF_ofb64_encrypt(const unsigned char *in, unsigned char *out, long length,
120
const BF_KEY *schedule, unsigned char *ivec, int *num);
121
const char *BF_options(void);