xref: /titanic_41/usr/src/lib/libbc/inc/include/sys/des.h (revision 4496171313bed39e96f21bc2f9faf2868e267ae3)
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 
40 enum desdir { ENCRYPT, DECRYPT };
41 enum desmode { CBC, ECB };
42 
43 /*
44  * parameters to ioctl call
45  */
46 struct 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