/*
 * 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 1998 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.
 */

#ifndef _SYS_SOFTDES_H
#define _SYS_SOFTDES_H

#ifdef  __cplusplus
extern "C" {
#endif

/*
 * softdes.h,  Data types and definition for software DES
 */

/*
 * A chunk is an area of storage used in three different ways
 * - As a 64 bit quantity (in high endian notation)
 * - As a 48 bit quantity (6 low order bits per byte)
 * - As a 32 bit quantity (first 4 bytes)
 */
typedef union {
        struct {
/*
 * This (and the one farther down) looks awfully backwards???
 */
#ifdef _LONG_LONG_LTOH
                uint32_t        _long1;
                uint32_t        _long0;
#else
                uint32_t        _long0;
                uint32_t        _long1;
#endif
        } _longs;

#define long0   _longs._long0
#define long1   _longs._long1
        struct {
#ifdef _LONG_LONG_LTOH
                uchar_t _byte7;
                uchar_t _byte6;
                uchar_t _byte5;
                uchar_t _byte4;
                uchar_t _byte3;
                uchar_t _byte2;
                uchar_t _byte1;
                uchar_t _byte0;
#else
                uchar_t _byte0;
                uchar_t _byte1;
                uchar_t _byte2;
                uchar_t _byte3;
                uchar_t _byte4;
                uchar_t _byte5;
                uchar_t _byte6;
                uchar_t _byte7;
#endif
        } _bytes;
#define byte0   _bytes._byte0
#define byte1   _bytes._byte1
#define byte2   _bytes._byte2
#define byte3   _bytes._byte3
#define byte4   _bytes._byte4
#define byte5   _bytes._byte5
#define byte6   _bytes._byte6
#define byte7   _bytes._byte7
} chunk_t;

/*
 * Intermediate key storage
 * Created by des_setkey, used by des_encrypt and des_decrypt
 * 16 48 bit values
 */
struct deskeydata {
        chunk_t keyval[16];
};

#ifdef  __cplusplus
}
#endif

#endif  /* _SYS_SOFTDES_H */