deimos.openssl.blowfish source code

1 /* crypto/bf/blowfish.h */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3  * All rights reserved.
4  *
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.
8  *
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).
15  *
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.
22  *
23  * Redistribution and use in source and binary forms, with or without
24  * modification, are permitted provided that the following conditions
25  * are met:
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)"
40  *
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
51  * SUCH DAMAGE.
52  *
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.]
57  */
58 
59 module deimos.openssl.blowfish;
60 
61 import deimos.openssl._d_util;
62 
63 public import deimos.openssl.e_os2;
64 
65 extern (C):
66 nothrow:
67 
68 version (OPENSSL_NO_BF) {
69   static assert(false, "BF is disabled.");
70 }
71 
72 enum BF_ENCRYPT = 1;
73 enum BF_DECRYPT = 0;
74 
75 /*
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  * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
80  */
81 
82 // #if defined(__LP32__)
83 // alias c_ulong BF_LONG;
84 // #elif defined(OPENSSL_SYS_CRAY) || defined(__ILP64__)
85 // alias c_ulong BF_LONG;
86 // enum BF_LONG_LOG2 = 3;
87 // /*
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>
93 //  */
94 // #else
95 // alias uint BF_LONG;
96 // #endif
97 alias uint BF_LONG;
98 
99 enum BF_ROUNDS = 16;
100 enum BF_BLOCK = 8;
101 
102 struct bf_key_st {
103 	BF_LONG[BF_ROUNDS+2] P;
104 	BF_LONG[4*256] S;
105 	}
106 alias bf_key_st BF_KEY;
107 
108 version(OPENSSL_FIPS) {
109     void private_BF_set_key(BF_KEY *key, int len, const(ubyte)* data);
110 }
111 void BF_set_key(BF_KEY* key, int len, const(ubyte)* data);
112 
113 void BF_encrypt(BF_LONG* data,const(BF_KEY)* key);
114 void BF_decrypt(BF_LONG* data,const(BF_KEY)* key);
115 
116 void BF_ecb_encrypt(const(ubyte)* in_, ubyte* out_,
117 	const(BF_KEY)* key, int enc);
118 void BF_cbc_encrypt(const(ubyte)* in_, ubyte* out_, c_long length,
119 	const(BF_KEY)* schedule, ubyte* ivec, int enc);
120 void BF_cfb64_encrypt(const(ubyte)* in_, ubyte* out_, c_long length,
121 	const(BF_KEY)* schedule, ubyte* ivec, int* num, int enc);
122 void BF_ofb64_encrypt(const(ubyte)* in_, ubyte* out_, c_long length,
123 	const(BF_KEY)* schedule, ubyte* ivec, int* num);
124 const(char)* BF_options();