1 | /* $NetBSD: blowfish.h,v 1.8 2009/03/14 14:46:08 dsl Exp $ */ |
2 | /* $KAME: blowfish.h,v 1.10 2000/09/18 21:21:20 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 |
64 | |
65 | #ifdef __cplusplus |
66 | extern "C" { |
67 | #endif |
68 | |
69 | #define BF_ENCRYPT 1 |
70 | #define BF_DECRYPT 0 |
71 | |
72 | /* must be 32bit quantity */ |
73 | #define BF_LONG u_int32_t |
74 | |
75 | #define BF_ROUNDS 16 |
76 | #define BF_BLOCK 8 |
77 | |
78 | typedef struct bf_key_st { |
79 | BF_LONG P[BF_ROUNDS+2]; |
80 | BF_LONG S[4*256]; |
81 | } BF_KEY; |
82 | |
83 | void BF_set_key(BF_KEY *, int, const unsigned char *); |
84 | void BF_encrypt(BF_LONG *, const BF_KEY *); |
85 | void BF_decrypt(BF_LONG *, const BF_KEY *); |
86 | void BF_cbc_encrypt(const unsigned char *, unsigned char *, long, |
87 | const BF_KEY *, unsigned char *, int); |
88 | void BF_ecb_encrypt(const unsigned char *, unsigned char *, |
89 | const BF_KEY *, int); |
90 | |
91 | #ifdef __cplusplus |
92 | } |
93 | #endif |
94 | |
95 | #endif |
96 | |