usr/src/lib/libbc/inc/include/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 2005 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #ifndef _sys_des_h
  28 #define _sys_des_h
  29
  30 #pragma ident   "%Z%%M% %I%     %E% SMI"
  31
  32 /*
  33  * Generic DES driver interface
  34  * Keep this file hardware independent!
  35  */
  36
  37 #define DES_MAXLEN      65536   /* maximum # of bytes to encrypt  */
  38 #define DES_QUICKLEN    16      /* maximum # of bytes to encrypt quickly */
  39
  40 enum desdir { ENCRYPT, DECRYPT };
  41 enum desmode { CBC, ECB };
  42
  43 /*
  44  * parameters to ioctl call
  45  */
  46 struct desparams {
  47         u_char des_key[8];      /* key (with low bit parity) */
  48         enum desdir des_dir;    /* direction */
  49         enum desmode des_mode;  /* mode */
  50         u_char des_ivec[8];     /* input vector */
  51         unsigned des_len;       /* number of bytes to crypt */
  52         union {
  53                 u_char UDES_data[DES_QUICKLEN];
  54                 u_char *UDES_buf;
  55         } UDES;
  56 #define des_data UDES.UDES_data /* direct data here if quick */
  57 #define des_buf UDES.UDES_buf   /* otherwise, pointer to data */
  58 };
  59
  60 /*
  61  * Encrypt an arbitrary sized buffer
  62  */
  63 #define DESIOCBLOCK     _IOWR('d', 6, struct desparams)
  64
  65 /*
  66  * Encrypt of small amount of data, quickly
  67  */
  68 #define DESIOCQUICK     _IOWR('d', 7, struct desparams)
  69
  70 #endif /* !_sys_des_h */