des_crypt.h revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
/*
* Portions of this source code were derived from Berkeley
* 4.3 BSD under license from the Regents of the University of
* California.
*/
/*
* des_crypt.h, des library routine interface
*/
#ifndef _DES_DES_CRYPT_H
#define _DES_DES_CRYPT_H
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/types.h>
#ifdef __cplusplus
extern "C" {
#endif
#define DES_MAXDATA 8192 /* max bytes encrypted in one call */
#define DES_DIRMASK (1 << 0)
#define DES_ENCRYPT (0 * DES_DIRMASK) /* Encrypt */
#define DES_DECRYPT (1 * DES_DIRMASK) /* Decrypt */
#define DES_DEVMASK (1 << 1)
#define DES_HW (0 * DES_DEVMASK) /* Use hardware device */
#define DES_SW (1 * DES_DEVMASK) /* Use software device */
#define DESERR_NONE 0 /* succeeded */
#define DESERR_NOHWDEVICE 1 /* succeeded, but hw device not available */
#define DESERR_HWERROR 2 /* failed, hardware/driver error */
#define DESERR_BADPARAM 3 /* failed, bad parameter to call */
#define DES_FAILED(err) \
((err) > DESERR_NOHWDEVICE)
/*
* cbc_crypt()
* ecb_crypt()
*
* Encrypt (or decrypt) len bytes of a buffer buf.
* The length must be a multiple of eight.
* The key should have odd parity in the low bit of each byte.
* ivec is the input vector, and is updated to the new one (cbc only).
* The mode is created by oring together the appropriate parameters.
* DESERR_NOHWDEVICE is returned if DES_HW was specified but
* there was no hardware to do it on (the data will still be
* encrypted though, in software).
*/
/*
* Cipher Block Chaining mode
*/
#ifdef __STDC__
int cbc_crypt(char *key, char *buf, size_t len, unsigned int mode, char *ivec);
#else
int cbc_crypt();
#endif
/*
* Electronic Code Book mode
*/
#ifdef __STDC__
int ecb_crypt(char *key, char *buf, size_t len, unsigned int mode);
#else
int ecb_crypt();
#endif
#ifndef _KERNEL
/*
* Set des parity for a key.
* DES parity is odd and in the low bit of each byte
*/
#ifdef __STDC__
void des_setparity(char *key);
#else
void des_setparity();
#endif
#endif /* _KERNEL */
#ifdef __cplusplus
}
#endif
#endif /* _DES_DES_CRYPT_H */