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.]
58 #ifndef HEADER_BLOWFISH_H
59 #define HEADER_BLOWFISH_H
61 /* #include <openssl/e_os2.h> */
68 #error BF is disabled.
75 * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
76 * ! BF_LONG has to be at least 32 bits wide. If it's wider, then !
77 * ! BF_LONG_LOG2 has to be defined along. !
78 * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
81 #if defined(OPENSSL_SYS_WIN16) || defined(__LP32__)
82 #define BF_LONG unsigned long
83 #elif defined(OPENSSL_SYS_CRAY) || defined(__ILP64__)
84 #define BF_LONG unsigned long
85 #define BF_LONG_LOG2 3
87 * _CRAY note. I could declare short, but I have no idea what impact
88 * does it have on performance on none-T3E machines. I could declare
89 * int, but at least on C90 sizeof(int) can be chosen at compile time.
90 * So I've chosen long...
91 * <appro@fy.chalmers.se>
94 #define BF_LONG unsigned int
100 typedef struct bf_key_st {
101 BF_LONG P[BF_ROUNDS + 2];
106 void BF_set_key(BF_KEY *key, int len, const unsigned char *data);
108 void BF_encrypt(BF_LONG *data, const BF_KEY *key);
109 void BF_decrypt(BF_LONG *data, const BF_KEY *key);
111 void BF_ecb_encrypt(const unsigned char *in, unsigned char *out,
112 const BF_KEY *key, int enc);
113 void BF_cbc_encrypt(const unsigned char *in, unsigned char *out, long length,
114 const BF_KEY *schedule, unsigned char *ivec, int enc);
115 void BF_cfb64_encrypt(const unsigned char *in, unsigned char *out, long length,
116 const BF_KEY *schedule, unsigned char *ivec, int *num, int enc);
117 void BF_ofb64_encrypt(const unsigned char *in, unsigned char *out, long length,
118 const BF_KEY *schedule, unsigned char *ivec, int *num);
119 const char *BF_options(void);