des.h revision 1.4.2.3 1 1.4.2.3 bouyer /* $NetBSD: des.h,v 1.4.2.3 2000/11/22 16:03:05 bouyer Exp $ */
2 1.4.2.3 bouyer /* $KAME: des.h,v 1.7 2000/09/18 20:59:21 itojun Exp $ */
3 1.4.2.2 bouyer
4 1.4.2.2 bouyer /* lib/des/des.h */
5 1.4.2.2 bouyer /* Copyright (C) 1995-1996 Eric Young (eay (at) mincom.oz.au)
6 1.4.2.2 bouyer * All rights reserved.
7 1.4.2.2 bouyer *
8 1.4.2.2 bouyer * This file is part of an SSL implementation written
9 1.4.2.2 bouyer * by Eric Young (eay (at) mincom.oz.au).
10 1.4.2.2 bouyer * The implementation was written so as to conform with Netscapes SSL
11 1.4.2.2 bouyer * specification. This library and applications are
12 1.4.2.2 bouyer * FREE FOR COMMERCIAL AND NON-COMMERCIAL USE
13 1.4.2.2 bouyer * as long as the following conditions are aheared to.
14 1.4.2.2 bouyer *
15 1.4.2.2 bouyer * Copyright remains Eric Young's, and as such any Copyright notices in
16 1.4.2.2 bouyer * the code are not to be removed. If this code is used in a product,
17 1.4.2.2 bouyer * Eric Young should be given attribution as the author of the parts used.
18 1.4.2.2 bouyer * This can be in the form of a textual message at program startup or
19 1.4.2.2 bouyer * in documentation (online or textual) provided with the package.
20 1.4.2.2 bouyer *
21 1.4.2.2 bouyer * Redistribution and use in source and binary forms, with or without
22 1.4.2.2 bouyer * modification, are permitted provided that the following conditions
23 1.4.2.2 bouyer * are met:
24 1.4.2.2 bouyer * 1. Redistributions of source code must retain the copyright
25 1.4.2.2 bouyer * notice, this list of conditions and the following disclaimer.
26 1.4.2.2 bouyer * 2. Redistributions in binary form must reproduce the above copyright
27 1.4.2.2 bouyer * notice, this list of conditions and the following disclaimer in the
28 1.4.2.2 bouyer * documentation and/or other materials provided with the distribution.
29 1.4.2.2 bouyer * 3. All advertising materials mentioning features or use of this software
30 1.4.2.2 bouyer * must display the following acknowledgement:
31 1.4.2.2 bouyer * This product includes software developed by Eric Young (eay (at) mincom.oz.au)
32 1.4.2.2 bouyer *
33 1.4.2.2 bouyer * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
34 1.4.2.2 bouyer * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
35 1.4.2.2 bouyer * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
36 1.4.2.2 bouyer * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
37 1.4.2.2 bouyer * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
38 1.4.2.2 bouyer * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
39 1.4.2.2 bouyer * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
40 1.4.2.2 bouyer * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
41 1.4.2.2 bouyer * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
42 1.4.2.2 bouyer * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
43 1.4.2.2 bouyer * SUCH DAMAGE.
44 1.4.2.2 bouyer *
45 1.4.2.2 bouyer * The licence and distribution terms for any publically available version or
46 1.4.2.2 bouyer * derivative of this code cannot be changed. i.e. this code cannot simply be
47 1.4.2.2 bouyer * copied and put under another distribution licence
48 1.4.2.2 bouyer * [including the GNU Public Licence.]
49 1.4.2.2 bouyer */
50 1.4.2.2 bouyer
51 1.4.2.2 bouyer #ifndef HEADER_DES_H
52 1.4.2.2 bouyer #define HEADER_DES_H
53 1.4.2.2 bouyer
54 1.4.2.2 bouyer #ifdef __cplusplus
55 1.4.2.2 bouyer extern "C" {
56 1.4.2.2 bouyer #endif
57 1.4.2.2 bouyer
58 1.4.2.2 bouyer /* must be 32bit quantity */
59 1.4.2.2 bouyer #define DES_LONG u_int32_t
60 1.4.2.2 bouyer
61 1.4.2.2 bouyer typedef unsigned char des_cblock[8];
62 1.4.2.2 bouyer typedef struct des_ks_struct
63 1.4.2.2 bouyer {
64 1.4.2.2 bouyer union {
65 1.4.2.2 bouyer des_cblock _;
66 1.4.2.2 bouyer /* make sure things are correct size on machines with
67 1.4.2.2 bouyer * 8 byte longs */
68 1.4.2.2 bouyer DES_LONG pad[2];
69 1.4.2.2 bouyer } ks;
70 1.4.2.2 bouyer #undef _
71 1.4.2.2 bouyer #define _ ks._
72 1.4.2.2 bouyer } des_key_schedule[16];
73 1.4.2.2 bouyer
74 1.4.2.2 bouyer #define DES_KEY_SZ (sizeof(des_cblock))
75 1.4.2.2 bouyer #define DES_SCHEDULE_SZ (sizeof(des_key_schedule))
76 1.4.2.2 bouyer
77 1.4.2.2 bouyer #define DES_ENCRYPT 1
78 1.4.2.2 bouyer #define DES_DECRYPT 0
79 1.4.2.2 bouyer
80 1.4.2.2 bouyer #define DES_CBC_MODE 0
81 1.4.2.2 bouyer #define DES_PCBC_MODE 1
82 1.4.2.2 bouyer
83 1.4.2.2 bouyer extern int des_check_key; /* defaults to false */
84 1.4.2.2 bouyer
85 1.4.2.2 bouyer char *des_options __P((void));
86 1.4.2.2 bouyer void des_ecb_encrypt __P((des_cblock *, des_cblock *,
87 1.4.2.2 bouyer des_key_schedule, int));
88 1.4.2.2 bouyer void des_encrypt __P((DES_LONG *, des_key_schedule, int));
89 1.4.2.2 bouyer void des_encrypt2 __P((DES_LONG *, des_key_schedule, int));
90 1.4.2.2 bouyer
91 1.4.2.2 bouyer void des_set_odd_parity __P((des_cblock *));
92 1.4.2.2 bouyer int des_is_weak_key __P((des_cblock *));
93 1.4.2.2 bouyer int des_set_key __P((des_cblock *, des_key_schedule));
94 1.4.2.2 bouyer int des_key_sched __P((des_cblock *, des_key_schedule));
95 1.4.2.2 bouyer
96 1.4.2.2 bouyer #ifdef __cplusplus
97 1.4.2.2 bouyer }
98 1.4.2.2 bouyer #endif
99 1.4.2.2 bouyer
100 1.4.2.2 bouyer #endif
101