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1 | /* $FreeBSD: src/sys/crypto/des/des.h,v 1.1.2.3 2002/03/26 10:12:24 ume Exp $ */ |
2 | /* $KAME: des.h,v 1.8 2001/09/10 04:03:57 itojun Exp $ */ | |
9bccf70c | 3 | |
1c79356b A |
4 | /* lib/des/des.h */ |
5 | /* Copyright (C) 1995-1996 Eric Young (eay@mincom.oz.au) | |
6 | * All rights reserved. | |
7 | * | |
8 | * This file is part of an SSL implementation written | |
9 | * by Eric Young (eay@mincom.oz.au). | |
10 | * The implementation was written so as to conform with Netscapes SSL | |
11 | * specification. This library and applications are | |
12 | * FREE FOR COMMERCIAL AND NON-COMMERCIAL USE | |
13 | * as long as the following conditions are aheared to. | |
14 | * | |
15 | * Copyright remains Eric Young's, and as such any Copyright notices in | |
16 | * the code are not to be removed. If this code is used in a product, | |
17 | * Eric Young should be given attribution as the author of the parts used. | |
18 | * This can be in the form of a textual message at program startup or | |
19 | * in documentation (online or textual) provided with the package. | |
20 | * | |
21 | * Redistribution and use in source and binary forms, with or without | |
22 | * modification, are permitted provided that the following conditions | |
23 | * are met: | |
24 | * 1. Redistributions of source code must retain the copyright | |
25 | * notice, this list of conditions and the following disclaimer. | |
26 | * 2. Redistributions in binary form must reproduce the above copyright | |
27 | * notice, this list of conditions and the following disclaimer in the | |
28 | * documentation and/or other materials provided with the distribution. | |
29 | * 3. All advertising materials mentioning features or use of this software | |
30 | * must display the following acknowledgement: | |
31 | * This product includes software developed by Eric Young (eay@mincom.oz.au) | |
32 | * | |
33 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND | |
34 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
35 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
36 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |
37 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
38 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
39 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
40 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
41 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
42 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
43 | * SUCH DAMAGE. | |
44 | * | |
45 | * The licence and distribution terms for any publically available version or | |
46 | * derivative of this code cannot be changed. i.e. this code cannot simply be | |
47 | * copied and put under another distribution licence | |
48 | * [including the GNU Public Licence.] | |
49 | */ | |
50 | ||
51 | #ifndef HEADER_DES_H | |
52 | #define HEADER_DES_H | |
53 | ||
54 | #ifdef __cplusplus | |
55 | extern "C" { | |
56 | #endif | |
57 | ||
9bccf70c A |
58 | /* must be 32bit quantity */ |
59 | #define DES_LONG u_int32_t | |
1c79356b A |
60 | |
61 | typedef unsigned char des_cblock[8]; | |
62 | typedef struct des_ks_struct | |
63 | { | |
55e303ae A |
64 | union { |
65 | des_cblock cblock; | |
66 | /* make sure things are correct size on machines with | |
67 | * 8 byte longs */ | |
68 | DES_LONG deslong[2]; | |
69 | } ks; | |
70 | int weak_key; | |
71 | } des_key_schedule[16]; | |
1c79356b A |
72 | |
73 | #define DES_KEY_SZ (sizeof(des_cblock)) | |
74 | #define DES_SCHEDULE_SZ (sizeof(des_key_schedule)) | |
75 | ||
76 | #define DES_ENCRYPT 1 | |
77 | #define DES_DECRYPT 0 | |
78 | ||
79 | #define DES_CBC_MODE 0 | |
80 | #define DES_PCBC_MODE 1 | |
81 | ||
1c79356b | 82 | extern int des_check_key; /* defaults to false */ |
1c79356b | 83 | |
91447636 A |
84 | char *des_options(void); |
85 | void des_ecb_encrypt(des_cblock *, des_cblock *, des_key_schedule, int); | |
55e303ae | 86 | |
91447636 A |
87 | void des_encrypt1(DES_LONG *, des_key_schedule, int); |
88 | void des_encrypt2(DES_LONG *, des_key_schedule, int); | |
89 | void des_encrypt3(DES_LONG *, des_key_schedule, des_key_schedule, | |
90 | des_key_schedule); | |
91 | void des_decrypt3(DES_LONG *, des_key_schedule, des_key_schedule, | |
92 | des_key_schedule); | |
55e303ae | 93 | |
91447636 A |
94 | void des_ecb3_encrypt(des_cblock *, des_cblock *, des_key_schedule, |
95 | des_key_schedule, des_key_schedule, int); | |
55e303ae | 96 | |
91447636 A |
97 | void des_ncbc_encrypt(const unsigned char *, unsigned char *, long, |
98 | des_key_schedule, des_cblock *, int); | |
55e303ae A |
99 | |
100 | void des_ede3_cbc_encrypt(const unsigned char *, unsigned char *, long, | |
101 | des_key_schedule, des_key_schedule, | |
102 | des_key_schedule, des_cblock *, int); | |
1c79356b | 103 | |
91447636 A |
104 | void des_set_odd_parity(des_cblock *); |
105 | void des_fixup_key_parity(des_cblock *); | |
106 | int des_is_weak_key(des_cblock *); | |
107 | int des_set_key(des_cblock *, des_key_schedule); | |
108 | int des_key_sched(des_cblock *, des_key_schedule); | |
109 | int des_set_key_checked(des_cblock *, des_key_schedule); | |
110 | void des_set_key_unchecked(des_cblock *, des_key_schedule); | |
111 | int des_check_key_parity(des_cblock *); | |
1c79356b A |
112 | |
113 | #ifdef __cplusplus | |
114 | } | |
115 | #endif | |
116 | ||
117 | #endif |