xref: /onnv-gate/usr/src/common/crypto/des/des_impl.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 2004 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 #ifndef	_DES_IMPL_H
28*0Sstevel@tonic-gate #define	_DES_IMPL_H
29*0Sstevel@tonic-gate 
30*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
31*0Sstevel@tonic-gate 
32*0Sstevel@tonic-gate /*
33*0Sstevel@tonic-gate  * Common definitions used by DES
34*0Sstevel@tonic-gate  */
35*0Sstevel@tonic-gate 
36*0Sstevel@tonic-gate #ifdef	__cplusplus
37*0Sstevel@tonic-gate extern "C" {
38*0Sstevel@tonic-gate #endif
39*0Sstevel@tonic-gate 
40*0Sstevel@tonic-gate #define	DES_BLOCK_LEN	8
41*0Sstevel@tonic-gate 
42*0Sstevel@tonic-gate #define	DES_XOR_BLOCK(src, dst) \
43*0Sstevel@tonic-gate 	(dst)[0] ^= (src)[0]; \
44*0Sstevel@tonic-gate 	(dst)[1] ^= (src)[1]; \
45*0Sstevel@tonic-gate 	(dst)[2] ^= (src)[2]; \
46*0Sstevel@tonic-gate 	(dst)[3] ^= (src)[3]; \
47*0Sstevel@tonic-gate 	(dst)[4] ^= (src)[4]; \
48*0Sstevel@tonic-gate 	(dst)[5] ^= (src)[5]; \
49*0Sstevel@tonic-gate 	(dst)[6] ^= (src)[6]; \
50*0Sstevel@tonic-gate 	(dst)[7] ^= (src)[7]
51*0Sstevel@tonic-gate 
52*0Sstevel@tonic-gate typedef enum des_strength {
53*0Sstevel@tonic-gate 	DES = 1,
54*0Sstevel@tonic-gate 	DES2,
55*0Sstevel@tonic-gate 	DES3
56*0Sstevel@tonic-gate } des_strength_t;
57*0Sstevel@tonic-gate 
58*0Sstevel@tonic-gate #define	DES_KEYSIZE	8
59*0Sstevel@tonic-gate #define	DES_MINBITS	64
60*0Sstevel@tonic-gate #define	DES_MAXBITS	64
61*0Sstevel@tonic-gate #define	DES_MINBYTES	(DES_MINBITS / 8)
62*0Sstevel@tonic-gate #define	DES_MAXBYTES	(DES_MAXBITS / 8)
63*0Sstevel@tonic-gate #define	DES_IV_LEN	8
64*0Sstevel@tonic-gate 
65*0Sstevel@tonic-gate #define	DES2_KEYSIZE	(2 * DES_KEYSIZE)
66*0Sstevel@tonic-gate #define	DES2_MINBITS	(2 * DES_MINBITS)
67*0Sstevel@tonic-gate #define	DES2_MAXBITS	(2 * DES_MAXBITS)
68*0Sstevel@tonic-gate 
69*0Sstevel@tonic-gate #define	DES3_KEYSIZE	(3 * DES_KEYSIZE)
70*0Sstevel@tonic-gate #define	DES3_MINBITS	(3 * DES_MINBITS)
71*0Sstevel@tonic-gate #define	DES3_MAXBITS	(3 * DES_MAXBITS)
72*0Sstevel@tonic-gate #define	DES3_MINBYTES	(DES3_MINBITS / 8)
73*0Sstevel@tonic-gate #define	DES3_MAXBYTES	(DES3_MAXBITS / 8)
74*0Sstevel@tonic-gate 
75*0Sstevel@tonic-gate extern uint64_t des_crypt_impl(uint64_t *, uint64_t, int);
76*0Sstevel@tonic-gate extern void des_ks(uint64_t *, uint64_t);
77*0Sstevel@tonic-gate extern void des_crunch_block(void *, uint8_t *, uint8_t *, boolean_t);
78*0Sstevel@tonic-gate extern void des3_crunch_block(void *, uint8_t *, uint8_t *, boolean_t);
79*0Sstevel@tonic-gate extern void des_init_keysched(uint8_t *, des_strength_t, void *);
80*0Sstevel@tonic-gate extern void *des_alloc_keysched(size_t *, des_strength_t, int);
81*0Sstevel@tonic-gate extern boolean_t des_keycheck(uint8_t *, des_strength_t, uint8_t *);
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	/* _DES_IMPL_H */
88