xref: /onnv-gate/usr/src/uts/common/des/des.h (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  *
22*0Sstevel@tonic-gate  * Copyright 1998 Sun Microsystems, Inc.  All rights reserved.
23*0Sstevel@tonic-gate  * Use is subject to license terms.
24*0Sstevel@tonic-gate  */
25*0Sstevel@tonic-gate 
26*0Sstevel@tonic-gate /*	Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T	*/
27*0Sstevel@tonic-gate /*	  All Rights Reserved  	*/
28*0Sstevel@tonic-gate 
29*0Sstevel@tonic-gate /*
30*0Sstevel@tonic-gate  * Portions of this source code were derived from Berkeley 4.3 BSD
31*0Sstevel@tonic-gate  * under license from the Regents of the University of California.
32*0Sstevel@tonic-gate  */
33*0Sstevel@tonic-gate 
34*0Sstevel@tonic-gate #ifndef _SYS_DES_H
35*0Sstevel@tonic-gate #define	_SYS_DES_H
36*0Sstevel@tonic-gate 
37*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
38*0Sstevel@tonic-gate 
39*0Sstevel@tonic-gate /*
40*0Sstevel@tonic-gate  * Generic DES driver interface
41*0Sstevel@tonic-gate  * Keep this file hardware independent!
42*0Sstevel@tonic-gate  */
43*0Sstevel@tonic-gate 
44*0Sstevel@tonic-gate #include <sys/ioccom.h>
45*0Sstevel@tonic-gate 
46*0Sstevel@tonic-gate #ifdef	__cplusplus
47*0Sstevel@tonic-gate extern "C" {
48*0Sstevel@tonic-gate #endif
49*0Sstevel@tonic-gate 
50*0Sstevel@tonic-gate #define	DES_MAXLEN 	65536	/* maximum # of bytes to encrypt  */
51*0Sstevel@tonic-gate #define	DES_QUICKLEN	16	/* maximum # of bytes to encrypt quickly */
52*0Sstevel@tonic-gate 
53*0Sstevel@tonic-gate enum desdir { ENCRYPT, DECRYPT };
54*0Sstevel@tonic-gate enum desmode { CBC, ECB };
55*0Sstevel@tonic-gate 
56*0Sstevel@tonic-gate /*
57*0Sstevel@tonic-gate  * parameters to ioctl call
58*0Sstevel@tonic-gate  */
59*0Sstevel@tonic-gate struct desparams {
60*0Sstevel@tonic-gate 	uchar_t des_key[8];	/* key (with low bit parity) */
61*0Sstevel@tonic-gate 	enum desdir des_dir;	/* direction */
62*0Sstevel@tonic-gate 	enum desmode des_mode;	/* mode */
63*0Sstevel@tonic-gate 	uchar_t des_ivec[8];	/* input vector */
64*0Sstevel@tonic-gate 	unsigned int des_len;	/* number of bytes to crypt */
65*0Sstevel@tonic-gate 	union {
66*0Sstevel@tonic-gate 		uchar_t UDES_data[DES_QUICKLEN];
67*0Sstevel@tonic-gate 		uchar_t *UDES_buf;
68*0Sstevel@tonic-gate 	} UDES;
69*0Sstevel@tonic-gate #define	des_data	UDES.UDES_data	/* direct data here if quick */
70*0Sstevel@tonic-gate #define	des_buf		UDES.UDES_buf	/* otherwise, pointer to data */
71*0Sstevel@tonic-gate };
72*0Sstevel@tonic-gate 
73*0Sstevel@tonic-gate /*
74*0Sstevel@tonic-gate  * Encrypt an arbitrary sized buffer
75*0Sstevel@tonic-gate  */
76*0Sstevel@tonic-gate #define	DESIOCBLOCK	_IOWR('d', 6, struct desparams)
77*0Sstevel@tonic-gate 
78*0Sstevel@tonic-gate /*
79*0Sstevel@tonic-gate  * Encrypt of small amount of data, quickly
80*0Sstevel@tonic-gate  */
81*0Sstevel@tonic-gate #define	DESIOCQUICK	_IOWR('d', 7, struct desparams)
82*0Sstevel@tonic-gate 
83*0Sstevel@tonic-gate #ifdef	__cplusplus
84*0Sstevel@tonic-gate }
85*0Sstevel@tonic-gate #endif
86*0Sstevel@tonic-gate 
87*0Sstevel@tonic-gate #endif	/* _SYS_DES_H */
88