1 /* $FreeBSD: src/sys/crypto/des/des.h,v 1.1.2.3 2002/03/26 10:12:24 ume Exp $ */
2 /* $DragonFly: src/sys/crypto/des/des.h,v 1.3 2003/08/27 10:59:04 rob Exp $ */
3 /* $KAME: des.h,v 1.8 2001/09/10 04:03:57 itojun Exp $ */
6 /* Copyright (C) 1995-1996 Eric Young (eay@mincom.oz.au)
9 * This file is part of an SSL implementation written
10 * by Eric Young (eay@mincom.oz.au).
11 * The implementation was written so as to conform with Netscapes SSL
12 * specification. This library and applications are
13 * FREE FOR COMMERCIAL AND NON-COMMERCIAL USE
14 * as long as the following conditions are aheared to.
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed. If this code is used in a product,
18 * Eric Young should be given attribution as the author of the parts used.
19 * This can be in the form of a textual message at program startup or
20 * in documentation (online or textual) provided with the package.
22 * Redistribution and use in source and binary forms, with or without
23 * modification, are permitted provided that the following conditions
25 * 1. Redistributions of source code must retain the copyright
26 * notice, this list of conditions and the following disclaimer.
27 * 2. Redistributions in binary form must reproduce the above copyright
28 * notice, this list of conditions and the following disclaimer in the
29 * documentation and/or other materials provided with the distribution.
30 * 3. All advertising materials mentioning features or use of this software
31 * must display the following acknowledgement:
32 * This product includes software developed by Eric Young (eay@mincom.oz.au)
34 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
35 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
36 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
37 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
38 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
39 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
40 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
41 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
42 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
43 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
46 * The licence and distribution terms for any publically available version or
47 * derivative of this code cannot be changed. i.e. this code cannot simply be
48 * copied and put under another distribution licence
49 * [including the GNU Public Licence.]
59 /* must be 32bit quantity */
60 #define DES_LONG u_int32_t
62 typedef unsigned char des_cblock[8];
63 typedef struct des_ks_struct
67 /* make sure things are correct size on machines with
72 } des_key_schedule[16];
74 #define DES_KEY_SZ (sizeof(des_cblock))
75 #define DES_SCHEDULE_SZ (sizeof(des_key_schedule))
80 #define DES_CBC_MODE 0
81 #define DES_PCBC_MODE 1
83 extern int des_check_key; /* defaults to false */
85 char *des_options (void);
86 void des_ecb_encrypt (des_cblock *, des_cblock *,
87 des_key_schedule, int);
89 void des_encrypt1 (DES_LONG *, des_key_schedule, int);
90 void des_encrypt2 (DES_LONG *, des_key_schedule, int);
91 void des_encrypt3 (DES_LONG *, des_key_schedule, des_key_schedule,
93 void des_decrypt3 (DES_LONG *, des_key_schedule, des_key_schedule,
96 void des_ecb3_encrypt (des_cblock *, des_cblock *, des_key_schedule,
97 des_key_schedule, des_key_schedule, int);
99 void des_ncbc_encrypt (const unsigned char *, unsigned char *, long,
100 des_key_schedule, des_cblock *, int);
102 void des_ede3_cbc_encrypt(const unsigned char *, unsigned char *, long,
103 des_key_schedule, des_key_schedule,
104 des_key_schedule, des_cblock *, int);
106 void des_set_odd_parity (des_cblock *);
107 void des_fixup_key_parity (des_cblock *);
108 int des_is_weak_key (des_cblock *);
109 int des_set_key (des_cblock *, des_key_schedule);
110 int des_key_sched (des_cblock *, des_key_schedule);
111 int des_set_key_checked (des_cblock *, des_key_schedule);
112 void des_set_key_unchecked (des_cblock *, des_key_schedule);
113 int des_check_key_parity (des_cblock *);