include/rpc/des.h

   1 /*-
   2  * Copyright (c) 2009, Sun Microsystems, Inc.
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions are met:
   7  * - Redistributions of source code must retain the above copyright notice,
   8  *   this list of conditions and the following disclaimer.
   9  * - Redistributions in binary form must reproduce the above copyright notice,
  10  *   this list of conditions and the following disclaimer in the documentation
  11  *   and/or other materials provided with the distribution.
  12  * - Neither the name of Sun Microsystems, Inc. nor the names of its
  13  *   contributors may be used to endorse or promote products derived
  14  *   from this software without specific prior written permission.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  17  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  19  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
  20  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  26  * POSSIBILITY OF SUCH DAMAGE.
  27  *
  28  *  @(#)des.h   2.2 88/08/10 4.0 RPCSRC; from 2.7 88/02/08 SMI
  29  */
  30 /*
  31  * Generic DES driver interface
  32  * Keep this file hardware independent!
  33  * Copyright (c) 1986 by Sun Microsystems, Inc.
  34  */
  35
  36 #ifdef notdef
  37 #include <sys/ioccom.h>
  38 #endif
  39
  40 #define DES_MAXLEN      65536   /* maximum # of bytes to encrypt  */
  41 #define DES_QUICKLEN    16      /* maximum # of bytes to encrypt quickly */
  42
  43 enum desdir { ENCRYPT, DECRYPT };
  44 enum desmode { CBC, ECB };
  45
  46 /*
  47  * parameters to ioctl call
  48  */
  49 struct desparams {
  50         u_char des_key[8];      /* key (with low bit parity) */
  51         enum desdir des_dir;    /* direction */
  52         enum desmode des_mode;  /* mode */
  53         u_char des_ivec[8];     /* input vector */
  54         unsigned des_len;       /* number of bytes to crypt */
  55         union {
  56                 u_char UDES_data[DES_QUICKLEN];
  57                 u_char *UDES_buf;
  58         } UDES;
  59 #       define des_data UDES.UDES_data  /* direct data here if quick */
  60 #       define des_buf  UDES.UDES_buf   /* otherwise, pointer to data */
  61 };
  62
  63 #ifdef notdef
  64
  65 /*
  66  * These ioctls are only implemented in SunOS. Maybe someday
  67  * if somebody writes a driver for DES hardware that works
  68  * with FreeBSD, we can being that back.
  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 #endif
  82
  83 /*
  84  * Software DES.
  85  */
  86 extern int _des_crypt( char *, int, struct desparams * );