POK
blowfish.h
1 /*
2  * POK header
3  *
4  * The following file is a part of the POK project. Any modification should
5  * made according to the POK licence. You CANNOT use this file or a part of
6  * this file is this part of a file for your own project
7  *
8  * For more information on the POK licence, please see our LICENCE FILE
9  *
10  * Please follow the coding guidelines described in doc/CODING_GUIDELINES
11  *
12  * Copyright (c) 2007-2009 POK team
13  *
14  * Created by julien on Fri Dec 11 16:32:31 2009
15  */
16 
17 /* crypto/bf/blowfish.h */
18 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
19  * All rights reserved.
20  *
21  * This package is an SSL implementation written
22  * by Eric Young (eay@cryptsoft.com).
23  * The implementation was written so as to conform with Netscapes SSL.
24  *
25  * This library is free for commercial and non-commercial use as long as
26  * the following conditions are aheared to. The following conditions
27  * apply to all code found in this distribution, be it the RC4, RSA,
28  * lhash, DES, etc., code; not just the SSL code. The SSL documentation
29  * included with this distribution is covered by the same copyright terms
30  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
31  *
32  * Copyright remains Eric Young's, and as such any Copyright notices in
33  * the code are not to be removed.
34  * If this package is used in a product, Eric Young should be given attribution
35  * as the author of the parts of the library used.
36  * This can be in the form of a textual message at program startup or
37  * in documentation (online or textual) provided with the package.
38  *
39  * Redistribution and use in source and binary forms, with or without
40  * modification, are permitted provided that the following conditions
41  * are met:
42  * 1. Redistributions of source code must retain the copyright
43  * notice, this list of conditions and the following disclaimer.
44  * 2. Redistributions in binary form must reproduce the above copyright
45  * notice, this list of conditions and the following disclaimer in the
46  * documentation and/or other materials provided with the distribution.
47  * 3. All advertising materials mentioning features or use of this software
48  * must display the following acknowledgement:
49  * "This product includes cryptographic software written by
50  * Eric Young (eay@cryptsoft.com)"
51  * The word 'cryptographic' can be left out if the rouines from the library
52  * being used are not cryptographic related :-).
53  * 4. If you include any Windows specific code (or a derivative thereof) from
54  * the apps directory (application code) you must include an acknowledgement:
55  * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
56  *
57  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
58  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
59  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
60  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
61  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
62  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
63  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
64  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
65  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
66  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
67  * SUCH DAMAGE.
68  *
69  * The licence and distribution terms for any publically available version or
70  * derivative of this code cannot be changed. i.e. this code cannot simply be
71  * copied and put under another distribution licence
72  * [including the GNU Public Licence.]
73  */
74 
75 #ifdef POK_NEEDS_PROTOCOLS_BLOWFISH
76 
77 #ifndef HEADER_BLOWFISH_H
78 #define HEADER_BLOWFISH_H
79 
80 //#include <openssl/e_os2.h>
81 #include <types.h>
82 
83 #define BF_ENCRYPT 1
84 #define BF_DECRYPT 0
85 
86 /*
87  * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
88  * ! BF_LONG has to be at least 32 bits wide. If it's wider, then !
89  * ! BF_LONG_LOG2 has to be defined along. !
90  * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
91  */
92 
93 #define BF_LONG uint32_t
94 
95 #define BF_PTR2
96 
97 #define BF_ROUNDS 16
98 #define BF_BLOCK 8
99 
100 typedef struct bf_key_st
101  {
102  BF_LONG P[BF_ROUNDS+2];
103  BF_LONG S[4*256];
104  } BF_KEY;
105 
106 #ifdef OPENSSL_FIPS
107 void private_BF_set_key(BF_KEY *key, int len, const unsigned char *data);
108 #endif
109 void BF_set_key(BF_KEY *key, int len, const unsigned char *data);
110 
111 void BF_encrypt(BF_LONG *data,const BF_KEY *key);
112 void BF_decrypt(BF_LONG *data,const BF_KEY *key);
113 
114 void BF_ecb_encrypt(const unsigned char *in, unsigned char *out,
115  const BF_KEY *key, int enc);
116 void BF_cbc_encrypt(const unsigned char *in, unsigned char *out, long length,
117  const BF_KEY *schedule, unsigned char *ivec, int enc);
118 void BF_cfb64_encrypt(const unsigned char *in, unsigned char *out, long length,
119  const BF_KEY *schedule, unsigned char *ivec, int *num, int enc);
120 void BF_ofb64_encrypt(const unsigned char *in, unsigned char *out, long length,
121  const BF_KEY *schedule, unsigned char *ivec, int *num);
122 const char *BF_options(void);
123 
124 #ifdef __cplusplus
125 }
126 #endif
127 
128 #endif
129 
130 #endif /* POK_NEEDS_PROTOCOLS */