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      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 2009 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 #ifdef __cplusplus
     30 extern "C" {
     31 #endif
     32 
     33 #include <sys/types.h>
     34 #include <sys/crypto/common.h>
     35 
     36 #define	ARCFOUR_MIN_KEY_BYTES	1
     37 
     38 #define	ARCFOUR_MAX_KEY_BYTES	256
     39 
     40 #define	ARCFOUR_MIN_KEY_BITS	(ARCFOUR_MIN_KEY_BYTES << 3)
     41 #define	ARCFOUR_MAX_KEY_BITS	(ARCFOUR_MAX_KEY_BYTES << 3)
     42 
     43 typedef arcfour_state_t ARCFour_key;
     44 
     45 void arcfour_key_init(ARCFour_key *key, uchar_t *keyval, int keyvallen);
     46 void arcfour_crypt(ARCFour_key *key, uchar_t *in, uchar_t *out, size_t len);
     47 
     48 /* Internal use-only functions */
     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 void arcfour_crypt_asm(ARCFour_key *key, uchar_t *in, uchar_t *out, size_t len);
     56 #endif	/* __amd64 */
     57 
     58 #ifdef	__cplusplus
     59 }
     60 #endif
     61 
     62 #endif /* _ARCFOUR_H */
     63