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1.1 root 1: /* crypto/cast/cast.h */
2: /* Copyright (C) 1995-1997 Eric Young ([email protected])
3: * All rights reserved.
4: *
5: * This package is an SSL implementation written
6: * by Eric Young ([email protected]).
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 ([email protected]).
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 ([email protected])"
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 ([email protected])"
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: #ifndef HEADER_CAST_H
60: #define HEADER_CAST_H
61:
62: #ifdef __cplusplus
63: extern "C" {
64: #endif
65:
66: #define CAST_ENCRYPT 1
67: #define CAST_DECRYPT 0
68:
1.1.1.2 root 69: #define CAST_LONG unsigned __int32
1.1 root 70:
71: #define CAST_BLOCK 8
72: #define CAST_KEY_LENGTH 16
73:
74: typedef struct cast_key_st
75: {
76: CAST_LONG data[32];
77: } CAST_KEY;
78:
79: #ifndef NOPROTO
80:
1.1.1.3 ! root 81: void CAST_set_key(CAST_KEY *key, int len, unsigned char *data);
! 82: void CAST_ecb_encrypt(unsigned char *in,unsigned char *out,CAST_KEY *key,
1.1 root 83: int enc);
1.1.1.3 ! root 84: void CAST_encrypt(CAST_LONG *data,CAST_KEY *key);
! 85: void CAST_decrypt(CAST_LONG *data,CAST_KEY *key);
! 86: void CAST_cbc_encrypt(unsigned char *in, unsigned char *out, long length,
1.1 root 87: CAST_KEY *ks, unsigned char *iv, int enc);
88: void CAST_cfb64_encrypt(unsigned char *in, unsigned char *out, long length,
89: CAST_KEY *schedule, unsigned char *ivec, int *num, int enc);
90: void CAST_ofb64_encrypt(unsigned char *in, unsigned char *out, long length,
91: CAST_KEY *schedule, unsigned char *ivec, int *num);
92:
93: #else
94:
95: void CAST_set_key();
1.1.1.3 ! root 96: void CAST_ecb_encrypt();
! 97: void CAST_encrypt();
! 98: void CAST_decrypt();
1.1 root 99: void CAST_cbc_encrypt();
100: void CAST_cfb64_encrypt();
101: void CAST_ofb64_encrypt();
102:
103: #endif
104:
105: #ifdef __cplusplus
106: }
107: #endif
108:
109: #endif
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