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/*
23 * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27#ifndef _sys_des_h
28#define _sys_des_h
29
30#pragma ident	"%Z%%M%	%I%	%E% SMI"
31
32/*
33 * Generic DES driver interface
34 * Keep this file hardware independent!
35 */
36
37#define DES_MAXLEN 	65536	/* maximum # of bytes to encrypt  */
38#define DES_QUICKLEN	16	/* maximum # of bytes to encrypt quickly */
39
40enum desdir { ENCRYPT, DECRYPT };
41enum desmode { CBC, ECB };
42
43/*
44 * parameters to ioctl call
45 */
46struct desparams {
47	u_char des_key[8];	/* key (with low bit parity) */
48	enum desdir des_dir;	/* direction */
49	enum desmode des_mode;	/* mode */
50	u_char des_ivec[8];	/* input vector */
51	unsigned des_len;	/* number of bytes to crypt */
52	union {
53		u_char UDES_data[DES_QUICKLEN];
54		u_char *UDES_buf;
55	} UDES;
56#define des_data UDES.UDES_data	/* direct data here if quick */
57#define des_buf	UDES.UDES_buf	/* otherwise, pointer to data */
58};
59
60/*
61 * Encrypt an arbitrary sized buffer
62 */
63#define	DESIOCBLOCK	_IOWR('d', 6, struct desparams)
64
65/*
66 * Encrypt of small amount of data, quickly
67 */
68#define DESIOCQUICK	_IOWR('d', 7, struct desparams)
69
70#endif /* !_sys_des_h */
71