| | 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 $ */ |
| | 3 | |
| | 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 | |
| | 58 | /* must be 32bit quantity */ |
| | 59 | #define DES_LONG u_int32_t |
| | 60 | |
| | 61 | typedef unsigned char des_cblock[8]; |
| | 62 | typedef struct des_ks_struct |
| | 63 | { |
| | 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]; |
| | 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 | |
| | 82 | extern int des_check_key; /* defaults to false */ |
| | 83 | |
| | 84 | char *des_options(void); |
| | 85 | void des_ecb_encrypt(des_cblock *, des_cblock *, des_key_schedule, int); |
| | 86 | |
| | 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); |
| | 93 | |
| | 94 | void des_ecb3_encrypt(des_cblock *, des_cblock *, des_key_schedule, |
| | 95 | des_key_schedule, des_key_schedule, int); |
| | 96 | |
| | 97 | void des_ncbc_encrypt(const unsigned char *, unsigned char *, long, |
| | 98 | des_key_schedule, des_cblock *, int); |
| | 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); |
| | 103 | |
| | 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 *); |
| | 112 | |
| | 113 | #ifdef __cplusplus |
| | 114 | } |
| | 115 | #endif |
| | 116 | |
| | 117 | #endif |
projects / apple / xnu.git / blame_incremental