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 (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 /*
22  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 #ifndef	_BLOWFISH_IMPL_H
27 #define	_BLOWFISH_IMPL_H
28 
29 #pragma ident	"%Z%%M%	%I%	%E% SMI"
30 
31 /*
32  * Common definitions used by Blowfish.
33  */
34 
35 #ifdef	__cplusplus
36 extern "C" {
37 #endif
38 
39 #define	BLOWFISH_COPY_BLOCK(src, dst) \
40 	(dst)[0] = (src)[0]; \
41 	(dst)[1] = (src)[1]; \
42 	(dst)[2] = (src)[2]; \
43 	(dst)[3] = (src)[3]; \
44 	(dst)[4] = (src)[4]; \
45 	(dst)[5] = (src)[5]; \
46 	(dst)[6] = (src)[6]; \
47 	(dst)[7] = (src)[7]
48 
49 #define	BLOWFISH_XOR_BLOCK(src, dst) \
50 	(dst)[0] ^= (src)[0]; \
51 	(dst)[1] ^= (src)[1]; \
52 	(dst)[2] ^= (src)[2]; \
53 	(dst)[3] ^= (src)[3]; \
54 	(dst)[4] ^= (src)[4]; \
55 	(dst)[5] ^= (src)[5]; \
56 	(dst)[6] ^= (src)[6]; \
57 	(dst)[7] ^= (src)[7]
58 
59 #define	BLOWFISH_MINBITS	32
60 #define	BLOWFISH_MINBYTES	(BLOWFISH_MINBITS >> 3)
61 #define	BLOWFISH_MAXBITS	448
62 #define	BLOWFISH_MAXBYTES	(BLOWFISH_MAXBITS >> 3)
63 
64 #define	BLOWFISH_IV_LEN		8
65 #define	BLOWFISH_BLOCK_LEN	8
66 #define	BLOWFISH_KEY_INCREMENT	8
67 #define	BLOWFISH_DEFAULT	128
68 
69 extern int blowfish_encrypt_contiguous_blocks(void *, char *, size_t,
70     crypto_data_t *);
71 extern int blowfish_decrypt_contiguous_blocks(void *, char *, size_t,
72     crypto_data_t *);
73 extern int blowfish_encrypt_block(const void *, const uint8_t *, uint8_t *);
74 extern int blowfish_decrypt_block(const void *, const uint8_t *, uint8_t *);
75 extern void blowfish_init_keysched(uint8_t *, uint_t, void *);
76 extern void *blowfish_alloc_keysched(size_t *, int);
77 extern void blowfish_copy_block(uint8_t *, uint8_t *);
78 extern void blowfish_xor_block(uint8_t *, uint8_t *);
79 #ifdef	__cplusplus
80 }
81 #endif
82 
83 #endif	/* _BLOWFISH_IMPL_H */
84