usr/src/uts/common/des/des.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, 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  * Copyright 1998 Sun Microsystems, Inc.  All rights reserved.
  23  * Use is subject to license terms.
  24  */
  25
  26 /*      Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T     */
  27 /*        All Rights Reserved   */
  28
  29 /*
  30  * Portions of this source code were derived from Berkeley 4.3 BSD
  31  * under license from the Regents of the University of California.
  32  */
  33
  34 #ifndef _SYS_DES_H
  35 #define _SYS_DES_H
  36
  37 /*
  38  * Generic DES driver interface
  39  * Keep this file hardware independent!
  40  */
  41
  42 #include <sys/ioccom.h>
  43
  44 #ifdef  __cplusplus
  45 extern "C" {
  46 #endif
  47
  48 #define DES_MAXLEN      65536   /* maximum # of bytes to encrypt  */
  49 #define DES_QUICKLEN    16      /* maximum # of bytes to encrypt quickly */
  50
  51 enum desdir { ENCRYPT, DECRYPT };
  52 enum desmode { CBC, ECB };
  53
  54 /*
  55  * parameters to ioctl call
  56  */
  57 struct desparams {
  58         uchar_t des_key[8];     /* key (with low bit parity) */
  59         enum desdir des_dir;    /* direction */
  60         enum desmode des_mode;  /* mode */
  61         uchar_t des_ivec[8];    /* input vector */
  62         unsigned int des_len;   /* number of bytes to crypt */
  63         union {
  64                 uchar_t UDES_data[DES_QUICKLEN];
  65                 uchar_t *UDES_buf;
  66         } UDES;
  67 #define des_data        UDES.UDES_data  /* direct data here if quick */
  68 #define des_buf         UDES.UDES_buf   /* otherwise, pointer to data */
  69 };
  70
  71 /*
  72  * Encrypt an arbitrary sized buffer
  73  */
  74 #define DESIOCBLOCK     _IOWR('d', 6, struct desparams)
  75
  76 /*
  77  * Encrypt of small amount of data, quickly
  78  */
  79 #define DESIOCQUICK     _IOWR('d', 7, struct desparams)
  80
  81 #ifdef  __cplusplus
  82 }
  83 #endif
  84
  85 #endif  /* _SYS_DES_H */