xref: /titanic_51/usr/src/lib/libbc/inc/include/sys/des.h (revision 5d54f3d8999eac1762fe0a8c7177d20f1f201fae)
17c478bd9Sstevel@tonic-gate /*
27c478bd9Sstevel@tonic-gate  * CDDL HEADER START
37c478bd9Sstevel@tonic-gate  *
47c478bd9Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
57c478bd9Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
67c478bd9Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
77c478bd9Sstevel@tonic-gate  * with the License.
87c478bd9Sstevel@tonic-gate  *
97c478bd9Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
107c478bd9Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
117c478bd9Sstevel@tonic-gate  * See the License for the specific language governing permissions
127c478bd9Sstevel@tonic-gate  * and limitations under the License.
137c478bd9Sstevel@tonic-gate  *
147c478bd9Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
157c478bd9Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
167c478bd9Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
177c478bd9Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
187c478bd9Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
197c478bd9Sstevel@tonic-gate  *
207c478bd9Sstevel@tonic-gate  * CDDL HEADER END
217c478bd9Sstevel@tonic-gate  */
22*5d54f3d8Smuffin /*
23*5d54f3d8Smuffin  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
24*5d54f3d8Smuffin  * Use is subject to license terms.
25*5d54f3d8Smuffin  */
26*5d54f3d8Smuffin 
27*5d54f3d8Smuffin #ifndef _sys_des_h
28*5d54f3d8Smuffin #define _sys_des_h
29*5d54f3d8Smuffin 
307c478bd9Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
317c478bd9Sstevel@tonic-gate 
327c478bd9Sstevel@tonic-gate /*
337c478bd9Sstevel@tonic-gate  * Generic DES driver interface
347c478bd9Sstevel@tonic-gate  * Keep this file hardware independent!
357c478bd9Sstevel@tonic-gate  */
367c478bd9Sstevel@tonic-gate 
377c478bd9Sstevel@tonic-gate #define DES_MAXLEN 	65536	/* maximum # of bytes to encrypt  */
387c478bd9Sstevel@tonic-gate #define DES_QUICKLEN	16	/* maximum # of bytes to encrypt quickly */
397c478bd9Sstevel@tonic-gate 
407c478bd9Sstevel@tonic-gate enum desdir { ENCRYPT, DECRYPT };
417c478bd9Sstevel@tonic-gate enum desmode { CBC, ECB };
427c478bd9Sstevel@tonic-gate 
437c478bd9Sstevel@tonic-gate /*
447c478bd9Sstevel@tonic-gate  * parameters to ioctl call
457c478bd9Sstevel@tonic-gate  */
467c478bd9Sstevel@tonic-gate struct desparams {
477c478bd9Sstevel@tonic-gate 	u_char des_key[8];	/* key (with low bit parity) */
487c478bd9Sstevel@tonic-gate 	enum desdir des_dir;	/* direction */
497c478bd9Sstevel@tonic-gate 	enum desmode des_mode;	/* mode */
507c478bd9Sstevel@tonic-gate 	u_char des_ivec[8];	/* input vector */
517c478bd9Sstevel@tonic-gate 	unsigned des_len;	/* number of bytes to crypt */
527c478bd9Sstevel@tonic-gate 	union {
537c478bd9Sstevel@tonic-gate 		u_char UDES_data[DES_QUICKLEN];
547c478bd9Sstevel@tonic-gate 		u_char *UDES_buf;
557c478bd9Sstevel@tonic-gate 	} UDES;
567c478bd9Sstevel@tonic-gate #define des_data UDES.UDES_data	/* direct data here if quick */
577c478bd9Sstevel@tonic-gate #define des_buf	UDES.UDES_buf	/* otherwise, pointer to data */
587c478bd9Sstevel@tonic-gate };
597c478bd9Sstevel@tonic-gate 
607c478bd9Sstevel@tonic-gate /*
617c478bd9Sstevel@tonic-gate  * Encrypt an arbitrary sized buffer
627c478bd9Sstevel@tonic-gate  */
63*5d54f3d8Smuffin #define	DESIOCBLOCK	_IOWR('d', 6, struct desparams)
647c478bd9Sstevel@tonic-gate 
657c478bd9Sstevel@tonic-gate /*
667c478bd9Sstevel@tonic-gate  * Encrypt of small amount of data, quickly
677c478bd9Sstevel@tonic-gate  */
68*5d54f3d8Smuffin #define DESIOCQUICK	_IOWR('d', 7, struct desparams)
697c478bd9Sstevel@tonic-gate 
707c478bd9Sstevel@tonic-gate #endif /* !_sys_des_h */
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