usr/src/common/crypto/arcfour/arcfour.h

   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 */