xref: /titanic_41/usr/src/common/crypto/arcfour/arcfour.h (revision 5aefb6555731130ca4fd295960123d71f2d21fe8)
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, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #ifndef _ARCFOUR_H
28 #define	_ARCFOUR_H
29 
30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 #ifdef __cplusplus
33 extern "C" {
34 #endif
35 
36 #include <sys/types.h>
37 
38 #define	ARCFOUR_MIN_KEY_BYTES	1
39 
40 #ifdef	CRYPTO_UNLIMITED
41 #define	ARCFOUR_MAX_KEY_BYTES	256
42 #else
43 #define	ARCFOUR_MAX_KEY_BYTES	16
44 #endif	/* CRYPTO_UNLIMITED */
45 
46 #define	ARCFOUR_MIN_KEY_BITS	(ARCFOUR_MIN_KEY_BYTES << 3)
47 #define	ARCFOUR_MAX_KEY_BITS	(ARCFOUR_MAX_KEY_BYTES << 3)
48 
49 typedef struct {
50 	uchar_t i, j;
51 #ifdef	sun4v
52 	unsigned long long pad;
53 #endif	/* sun4v */
54 	uchar_t arr[256];
55 } ARCFour_key;
56 
57 void arcfour_key_init(ARCFour_key *key, uchar_t *keyval, int keyvallen);
58 void arcfour_crypt(ARCFour_key *key, uchar_t *in, uchar_t *out, size_t len);
59 #ifdef	sun4u
60 void arcfour_crypt_aligned(ARCFour_key *key, size_t len, uchar_t *in,
61     uchar_t *out);
62 #endif	/* sun4u */
63 
64 #ifdef	__cplusplus
65 }
66 #endif
67 
68 #endif /* _ARCFOUR_H */
69