xref: /onnv-gate/usr/src/uts/common/sys/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 /*
23*0Sstevel@tonic-gate  * Copyright 1998 Sun Microsystems, Inc.  All rights reserved.
24*0Sstevel@tonic-gate  * Use is subject to license terms.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate /*	Copyright (c) 1983-1989 AT&T	*/
28*0Sstevel@tonic-gate /*	  All Rights Reserved  	*/
29*0Sstevel@tonic-gate 
30*0Sstevel@tonic-gate /*
31*0Sstevel@tonic-gate  * Portions of this source code were derived from Berkeley 4.3 BSD
32*0Sstevel@tonic-gate  * under license from the Regents of the University of California.
33*0Sstevel@tonic-gate  */
34*0Sstevel@tonic-gate 
35*0Sstevel@tonic-gate #ifndef _SYS_DES_H
36*0Sstevel@tonic-gate #define	_SYS_DES_H
37*0Sstevel@tonic-gate 
38*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
39*0Sstevel@tonic-gate 
40*0Sstevel@tonic-gate /*
41*0Sstevel@tonic-gate  * Generic DES driver interface
42*0Sstevel@tonic-gate  * Keep this file hardware independent!
43*0Sstevel@tonic-gate  */
44*0Sstevel@tonic-gate 
45*0Sstevel@tonic-gate #include <sys/ioccom.h>
46*0Sstevel@tonic-gate 
47*0Sstevel@tonic-gate #ifdef	__cplusplus
48*0Sstevel@tonic-gate extern "C" {
49*0Sstevel@tonic-gate #endif
50*0Sstevel@tonic-gate 
51*0Sstevel@tonic-gate #define	DES_MAXLEN 	65536	/* maximum # of bytes to encrypt  */
52*0Sstevel@tonic-gate #define	DES_QUICKLEN	16	/* maximum # of bytes to encrypt quickly */
53*0Sstevel@tonic-gate 
54*0Sstevel@tonic-gate enum desdir { ENCRYPT, DECRYPT };
55*0Sstevel@tonic-gate enum desmode { CBC, ECB };
56*0Sstevel@tonic-gate 
57*0Sstevel@tonic-gate /*
58*0Sstevel@tonic-gate  * parameters to ioctl call
59*0Sstevel@tonic-gate  */
60*0Sstevel@tonic-gate struct desparams {
61*0Sstevel@tonic-gate 	uchar_t des_key[8];	/* key (with low bit parity) */
62*0Sstevel@tonic-gate 	enum desdir des_dir;	/* direction */
63*0Sstevel@tonic-gate 	enum desmode des_mode;	/* mode */
64*0Sstevel@tonic-gate 	uchar_t des_ivec[8];	/* input vector */
65*0Sstevel@tonic-gate 	unsigned des_len;	/* number of bytes to crypt */
66*0Sstevel@tonic-gate 	union {
67*0Sstevel@tonic-gate 		uchar_t UDES_data[DES_QUICKLEN];
68*0Sstevel@tonic-gate 		uchar_t *UDES_buf;
69*0Sstevel@tonic-gate 	} UDES;
70*0Sstevel@tonic-gate #define	des_data	UDES.UDES_data	/* direct data here if quick */
71*0Sstevel@tonic-gate #define	des_buf		UDES.UDES_buf	/* otherwise, pointer to data */
72*0Sstevel@tonic-gate };
73*0Sstevel@tonic-gate 
74*0Sstevel@tonic-gate /*
75*0Sstevel@tonic-gate  * Encrypt an arbitrary sized buffer
76*0Sstevel@tonic-gate  */
77*0Sstevel@tonic-gate #define	DESIOCBLOCK	_IOWR('d', 6, struct desparams)
78*0Sstevel@tonic-gate 
79*0Sstevel@tonic-gate /*
80*0Sstevel@tonic-gate  * Encrypt of small amount of data, quickly
81*0Sstevel@tonic-gate  */
82*0Sstevel@tonic-gate #define	DESIOCQUICK	_IOWR('d', 7, struct desparams)
83*0Sstevel@tonic-gate 
84*0Sstevel@tonic-gate #ifdef	__cplusplus
85*0Sstevel@tonic-gate }
86*0Sstevel@tonic-gate #endif
87*0Sstevel@tonic-gate 
88*0Sstevel@tonic-gate #endif	/* _SYS_DES_H */
89