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      1 /*
      2  * CDDL HEADER START
      3  *
      4  * The contents of this file are subject to the terms of the
      5  * Common Development and Distribution License, Version 1.0 only
      6  * (the "License").  You may not use this file except in compliance
      7  * with the License.
      8  *
      9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
     10  * or http://www.opensolaris.org/os/licensing.
     11  * See the License for the specific language governing permissions
     12  * and limitations under the License.
     13  *
     14  * When distributing Covered Code, include this CDDL HEADER in each
     15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
     16  * If applicable, add the following below this CDDL HEADER, with the
     17  * fields enclosed by brackets "[]" replaced with your own identifying
     18  * information: Portions Copyright [yyyy] [name of copyright owner]
     19  *
     20  * CDDL HEADER END
     21  *
     22  * Copyright 1998 Sun Microsystems, Inc.  All rights reserved.
     23  * Use is subject to license terms.
     24  */
     25 
     26 /*	Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T	*/
     27 /*	  All Rights Reserved  	*/
     28 
     29 /*
     30  * Portions of this source code were derived from Berkeley 4.3 BSD
     31  * under license from the Regents of the University of California.
     32  */
     33 
     34 #ifndef _SYS_SOFTDES_H
     35 #define	_SYS_SOFTDES_H
     36 
     37 #pragma ident	"%Z%%M%	%I%	%E% SMI"
     38 
     39 #ifdef	__cplusplus
     40 extern "C" {
     41 #endif
     42 
     43 /*
     44  * softdes.h,  Data types and definition for software DES
     45  */
     46 
     47 /*
     48  * A chunk is an area of storage used in three different ways
     49  * - As a 64 bit quantity (in high endian notation)
     50  * - As a 48 bit quantity (6 low order bits per byte)
     51  * - As a 32 bit quantity (first 4 bytes)
     52  */
     53 typedef union {
     54 	struct {
     55 /*
     56  * This (and the one farther down) looks awfully backwards???
     57  */
     58 #ifdef _LONG_LONG_LTOH
     59 		uint32_t	_long1;
     60 		uint32_t	_long0;
     61 #else
     62 		uint32_t	_long0;
     63 		uint32_t	_long1;
     64 #endif
     65 	} _longs;
     66 
     67 #define	long0	_longs._long0
     68 #define	long1	_longs._long1
     69 	struct {
     70 #ifdef _LONG_LONG_LTOH
     71 		uchar_t	_byte7;
     72 		uchar_t	_byte6;
     73 		uchar_t	_byte5;
     74 		uchar_t	_byte4;
     75 		uchar_t	_byte3;
     76 		uchar_t	_byte2;
     77 		uchar_t	_byte1;
     78 		uchar_t	_byte0;
     79 #else
     80 		uchar_t	_byte0;
     81 		uchar_t	_byte1;
     82 		uchar_t	_byte2;
     83 		uchar_t	_byte3;
     84 		uchar_t	_byte4;
     85 		uchar_t	_byte5;
     86 		uchar_t	_byte6;
     87 		uchar_t	_byte7;
     88 #endif
     89 	} _bytes;
     90 #define	byte0	_bytes._byte0
     91 #define	byte1	_bytes._byte1
     92 #define	byte2	_bytes._byte2
     93 #define	byte3	_bytes._byte3
     94 #define	byte4	_bytes._byte4
     95 #define	byte5	_bytes._byte5
     96 #define	byte6	_bytes._byte6
     97 #define	byte7	_bytes._byte7
     98 } chunk_t;
     99 
    100 /*
    101  * Intermediate key storage
    102  * Created by des_setkey, used by des_encrypt and des_decrypt
    103  * 16 48 bit values
    104  */
    105 struct deskeydata {
    106 	chunk_t	keyval[16];
    107 };
    108 
    109 #ifdef	__cplusplus
    110 }
    111 #endif
    112 
    113 #endif	/* _SYS_SOFTDES_H */
    114