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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_DES_H
     35 #define	_SYS_DES_H
     36 
     37 #pragma ident	"%Z%%M%	%I%	%E% SMI"
     38 
     39 /*
     40  * Generic DES driver interface
     41  * Keep this file hardware independent!
     42  */
     43 
     44 #include <sys/ioccom.h>
     45 
     46 #ifdef	__cplusplus
     47 extern "C" {
     48 #endif
     49 
     50 #define	DES_MAXLEN 	65536	/* maximum # of bytes to encrypt  */
     51 #define	DES_QUICKLEN	16	/* maximum # of bytes to encrypt quickly */
     52 
     53 enum desdir { ENCRYPT, DECRYPT };
     54 enum desmode { CBC, ECB };
     55 
     56 /*
     57  * parameters to ioctl call
     58  */
     59 struct desparams {
     60 	uchar_t des_key[8];	/* key (with low bit parity) */
     61 	enum desdir des_dir;	/* direction */
     62 	enum desmode des_mode;	/* mode */
     63 	uchar_t des_ivec[8];	/* input vector */
     64 	unsigned int des_len;	/* number of bytes to crypt */
     65 	union {
     66 		uchar_t UDES_data[DES_QUICKLEN];
     67 		uchar_t *UDES_buf;
     68 	} UDES;
     69 #define	des_data	UDES.UDES_data	/* direct data here if quick */
     70 #define	des_buf		UDES.UDES_buf	/* otherwise, pointer to data */
     71 };
     72 
     73 /*
     74  * Encrypt an arbitrary sized buffer
     75  */
     76 #define	DESIOCBLOCK	_IOWR('d', 6, struct desparams)
     77 
     78 /*
     79  * Encrypt of small amount of data, quickly
     80  */
     81 #define	DESIOCQUICK	_IOWR('d', 7, struct desparams)
     82 
     83 #ifdef	__cplusplus
     84 }
     85 #endif
     86 
     87 #endif	/* _SYS_DES_H */
     88