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 _ARCFOUR_H
27 #define	_ARCFOUR_H
28 
29 #pragma ident	"%Z%%M%	%I%	%E% SMI"
30 
31 #ifdef __cplusplus
32 extern "C" {
33 #endif
34 
35 #include <sys/types.h>
36 #include <sys/crypto/common.h>
37 
38 #define	ARCFOUR_MIN_KEY_BYTES	1
39 
40 #define	ARCFOUR_MAX_KEY_BYTES	256
41 
42 #define	ARCFOUR_MIN_KEY_BITS	(ARCFOUR_MIN_KEY_BYTES << 3)
43 #define	ARCFOUR_MAX_KEY_BITS	(ARCFOUR_MAX_KEY_BYTES << 3)
44 
45 typedef arcfour_state_t ARCFour_key;
46 
47 void arcfour_key_init(ARCFour_key *key, uchar_t *keyval, int keyvallen);
48 void arcfour_crypt(ARCFour_key *key, uchar_t *in, uchar_t *out, size_t len);
49 #ifdef	sun4u
50 void arcfour_crypt_aligned(ARCFour_key *key, size_t len, uchar_t *in,
51     uchar_t *out);
52 #endif	/* sun4u */
53 #ifdef	__amd64
54 int arcfour_crypt_on_intel(void);
55 #endif	/* _amd64 */
56 
57 #ifdef	__cplusplus
58 }
59 #endif
60 
61 #endif /* _ARCFOUR_H */
62