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