include/rpc/des.h

   1 /*  @(#)des.h   2.2 88/08/10 4.0 RPCSRC; from 2.7 88/02/08 SMI  */
   2 /* $FreeBSD$ */
   3 /*-
   4  * Copyright (c) 2009, Sun Microsystems, Inc.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions are met:
   9  * - Redistributions of source code must retain the above copyright notice,
  10  *   this list of conditions and the following disclaimer.
  11  * - Redistributions in binary form must reproduce the above copyright notice,
  12  *   this list of conditions and the following disclaimer in the documentation
  13  *   and/or other materials provided with the distribution.
  14  * - Neither the name of Sun Microsystems, Inc. nor the names of its
  15  *   contributors may be used to endorse or promote products derived
  16  *   from this software without specific prior written permission.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  19  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  21  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
  22  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  23  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  24  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  25  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  26  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  27  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  28  * POSSIBILITY OF SUCH DAMAGE.
  29  */
  30 /*
  31  * Generic DES driver interface
  32  * Keep this file hardware independent!
  33  * Copyright (c) 1986 by Sun Microsystems, Inc.
  34  */
  35
  36 #define DES_MAXLEN      65536   /* maximum # of bytes to encrypt  */
  37 #define DES_QUICKLEN    16      /* maximum # of bytes to encrypt quickly */
  38
  39 enum desdir { ENCRYPT, DECRYPT };
  40 enum desmode { CBC, ECB };
  41
  42 /*
  43  * parameters to ioctl call
  44  */
  45 struct desparams {
  46         u_char des_key[8];      /* key (with low bit parity) */
  47         enum desdir des_dir;    /* direction */
  48         enum desmode des_mode;  /* mode */
  49         u_char des_ivec[8];     /* input vector */
  50         unsigned des_len;       /* number of bytes to crypt */
  51         union {
  52                 u_char UDES_data[DES_QUICKLEN];
  53                 u_char *UDES_buf;
  54         } UDES;
  55 #       define des_data UDES.UDES_data  /* direct data here if quick */
  56 #       define des_buf  UDES.UDES_buf   /* otherwise, pointer to data */
  57 };
  58
  59 #ifdef notdef
  60
  61 /*
  62  * These ioctls are only implemented in SunOS. Maybe someday
  63  * if somebody writes a driver for DES hardware that works
  64  * with FreeBSD, we can being that back.
  65  */
  66
  67 /*
  68  * Encrypt an arbitrary sized buffer
  69  */
  70 #define DESIOCBLOCK     _IOWR('d', 6, struct desparams)
  71
  72 /*
  73  * Encrypt of small amount of data, quickly
  74  */
  75 #define DESIOCQUICK     _IOWR('d', 7, struct desparams)
  76
  77 #endif
  78
  79 /*
  80  * Software DES.
  81  */
  82 extern int _des_crypt( char *, int, struct desparams * );