mirror of
https://github.com/freebsd/freebsd-src.git
synced 2024-12-04 10:19:26 +00:00
118 lines
4.3 KiB
C
118 lines
4.3 KiB
C
/* $FreeBSD$ */
|
|
/* $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
|