/* $FreeBSD: src/sys/crypto/des/des.h,v 1.1.2.3 2002/03/26 10:12:24 ume Exp $ */ /* $KAME: des.h,v 1.8 2001/09/10 04:03:57 itojun Exp $ */ /* lib/des/des.h */ /* Copyright (C) 1995-1996 Eric Young (eay@mincom.oz.au) * All rights reserved. * * This file is part of an SSL implementation written * by Eric Young (eay@mincom.oz.au). * The implementation was written so as to conform with Netscapes SSL * specification. This library and applications are * FREE FOR COMMERCIAL AND NON-COMMERCIAL USE * as long as the following conditions are aheared to. * * Copyright remains Eric Young's, and as such any Copyright notices in * the code are not to be removed. If this code is used in a product, * Eric Young should be given attribution as the author of the parts used. * This can be in the form of a textual message at program startup or * in documentation (online or textual) provided with the package. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Eric Young (eay@mincom.oz.au) * * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * The licence and distribution terms for any publically available version or * derivative of this code cannot be changed. i.e. this code cannot simply be * copied and put under another distribution licence * [including the GNU Public Licence.] */ #ifndef HEADER_DES_H #define HEADER_DES_H #ifdef __cplusplus extern "C" { #endif /* must be 32bit quantity */ #define DES_LONG u_int32_t typedef unsigned char des_cblock[8]; typedef struct des_ks_struct { union { des_cblock cblock; /* make sure things are correct size on machines with * 8 byte longs */ DES_LONG deslong[2]; } ks; int weak_key; } des_key_schedule[16]; #define DES_KEY_SZ (sizeof(des_cblock)) #define DES_SCHEDULE_SZ (sizeof(des_key_schedule)) #define DES_ENCRYPT 1 #define DES_DECRYPT 0 #define DES_CBC_MODE 0 #define DES_PCBC_MODE 1 extern int des_check_key; /* defaults to false */ char *des_options(void); void des_ecb_encrypt(des_cblock *, des_cblock *, des_key_schedule, int); void des_encrypt1(DES_LONG *, des_key_schedule, int); void des_encrypt2(DES_LONG *, des_key_schedule, int); void des_encrypt3(DES_LONG *, des_key_schedule, des_key_schedule, des_key_schedule); void des_decrypt3(DES_LONG *, des_key_schedule, des_key_schedule, des_key_schedule); void des_ecb3_encrypt(des_cblock *, des_cblock *, des_key_schedule, des_key_schedule, des_key_schedule, int); void des_ncbc_encrypt(const unsigned char *, unsigned char *, long, des_key_schedule, des_cblock *, int); void des_ede3_cbc_encrypt(const unsigned char *, unsigned char *, long, des_key_schedule, des_key_schedule, des_key_schedule, des_cblock *, int); void des_set_odd_parity(des_cblock *); void des_fixup_key_parity(des_cblock *); int des_is_weak_key(des_cblock *); int des_set_key(des_cblock *, des_key_schedule); int des_key_sched(des_cblock *, des_key_schedule); int des_set_key_checked(des_cblock *, des_key_schedule); void des_set_key_unchecked(des_cblock *, des_key_schedule); int des_check_key_parity(des_cblock *); #ifdef __cplusplus } #endif #endif