xref: /onnv-gate/usr/src/uts/common/rpc/des_crypt.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 2005 Sun Microsystems, Inc.  All rights reserved.
24*0Sstevel@tonic-gate  * Use is subject to license terms.
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  * Portions of this source code were derived from Berkeley
30*0Sstevel@tonic-gate  * 4.3 BSD under license from the Regents of the University of
31*0Sstevel@tonic-gate  * California.
32*0Sstevel@tonic-gate  */
33*0Sstevel@tonic-gate 
34*0Sstevel@tonic-gate /*
35*0Sstevel@tonic-gate  * des_crypt.h, des library routine interface
36*0Sstevel@tonic-gate  */
37*0Sstevel@tonic-gate 
38*0Sstevel@tonic-gate #ifndef _DES_DES_CRYPT_H
39*0Sstevel@tonic-gate #define	_DES_DES_CRYPT_H
40*0Sstevel@tonic-gate 
41*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
42*0Sstevel@tonic-gate 
43*0Sstevel@tonic-gate #include <sys/types.h>
44*0Sstevel@tonic-gate 
45*0Sstevel@tonic-gate #ifdef __cplusplus
46*0Sstevel@tonic-gate extern "C" {
47*0Sstevel@tonic-gate #endif
48*0Sstevel@tonic-gate 
49*0Sstevel@tonic-gate #define	DES_MAXDATA 8192	/* max bytes encrypted in one call */
50*0Sstevel@tonic-gate #define	DES_DIRMASK (1 << 0)
51*0Sstevel@tonic-gate #define	DES_ENCRYPT (0 * DES_DIRMASK)	/* Encrypt */
52*0Sstevel@tonic-gate #define	DES_DECRYPT (1 * DES_DIRMASK)	/* Decrypt */
53*0Sstevel@tonic-gate 
54*0Sstevel@tonic-gate 
55*0Sstevel@tonic-gate #define	DES_DEVMASK (1 << 1)
56*0Sstevel@tonic-gate #define	DES_HW (0 * DES_DEVMASK)	/* Use hardware device */
57*0Sstevel@tonic-gate #define	DES_SW (1 * DES_DEVMASK)	/* Use software device */
58*0Sstevel@tonic-gate 
59*0Sstevel@tonic-gate 
60*0Sstevel@tonic-gate #define	DESERR_NONE 0		/* succeeded */
61*0Sstevel@tonic-gate #define	DESERR_NOHWDEVICE 1	/* succeeded, but hw device not available */
62*0Sstevel@tonic-gate #define	DESERR_HWERROR 2	/* failed, hardware/driver error */
63*0Sstevel@tonic-gate #define	DESERR_BADPARAM 3	/* failed, bad parameter to call */
64*0Sstevel@tonic-gate 
65*0Sstevel@tonic-gate #define	DES_FAILED(err) \
66*0Sstevel@tonic-gate 	((err) > DESERR_NOHWDEVICE)
67*0Sstevel@tonic-gate 
68*0Sstevel@tonic-gate /*
69*0Sstevel@tonic-gate  * cbc_crypt()
70*0Sstevel@tonic-gate  * ecb_crypt()
71*0Sstevel@tonic-gate  *
72*0Sstevel@tonic-gate  * Encrypt (or decrypt) len bytes of a buffer buf.
73*0Sstevel@tonic-gate  * The length must be a multiple of eight.
74*0Sstevel@tonic-gate  * The key should have odd parity in the low bit of each byte.
75*0Sstevel@tonic-gate  * ivec is the input vector, and is updated to the new one (cbc only).
76*0Sstevel@tonic-gate  * The mode is created by oring together the appropriate parameters.
77*0Sstevel@tonic-gate  * DESERR_NOHWDEVICE is returned if DES_HW was specified but
78*0Sstevel@tonic-gate  * there was no hardware to do it on (the data will still be
79*0Sstevel@tonic-gate  * encrypted though, in software).
80*0Sstevel@tonic-gate  */
81*0Sstevel@tonic-gate 
82*0Sstevel@tonic-gate 
83*0Sstevel@tonic-gate /*
84*0Sstevel@tonic-gate  * Cipher Block Chaining mode
85*0Sstevel@tonic-gate  */
86*0Sstevel@tonic-gate #ifdef __STDC__
87*0Sstevel@tonic-gate int cbc_crypt(char *key, char *buf, size_t len, unsigned int mode, char *ivec);
88*0Sstevel@tonic-gate #else
89*0Sstevel@tonic-gate int cbc_crypt();
90*0Sstevel@tonic-gate #endif
91*0Sstevel@tonic-gate 
92*0Sstevel@tonic-gate 
93*0Sstevel@tonic-gate /*
94*0Sstevel@tonic-gate  * Electronic Code Book mode
95*0Sstevel@tonic-gate  */
96*0Sstevel@tonic-gate #ifdef __STDC__
97*0Sstevel@tonic-gate int ecb_crypt(char *key, char *buf, size_t len, unsigned int mode);
98*0Sstevel@tonic-gate #else
99*0Sstevel@tonic-gate int ecb_crypt();
100*0Sstevel@tonic-gate #endif
101*0Sstevel@tonic-gate 
102*0Sstevel@tonic-gate 
103*0Sstevel@tonic-gate #ifndef _KERNEL
104*0Sstevel@tonic-gate /*
105*0Sstevel@tonic-gate  * Set des parity for a key.
106*0Sstevel@tonic-gate  * DES parity is odd and in the low bit of each byte
107*0Sstevel@tonic-gate  */
108*0Sstevel@tonic-gate #ifdef __STDC__
109*0Sstevel@tonic-gate void des_setparity(char *key);
110*0Sstevel@tonic-gate #else
111*0Sstevel@tonic-gate void des_setparity();
112*0Sstevel@tonic-gate #endif
113*0Sstevel@tonic-gate #endif	/* _KERNEL */
114*0Sstevel@tonic-gate 
115*0Sstevel@tonic-gate #ifdef __cplusplus
116*0Sstevel@tonic-gate }
117*0Sstevel@tonic-gate #endif
118*0Sstevel@tonic-gate 
119*0Sstevel@tonic-gate #endif	/* _DES_DES_CRYPT_H */
120