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  *  $DragonFly: src/include/rpc/des.h,v 1.2 2003/11/14 01:01:50 dillon Exp $
  30  */
  31 /*
  32  * Generic DES driver interface
  33  * Keep this file hardware independent!
  34  * Copyright (c) 1986 by Sun Microsystems, Inc.
  35  */
  36
  37 #include <sys/ioccom.h>
  38
  39 #define DES_MAXLEN      65536   /* maximum # of bytes to encrypt  */
  40 #define DES_QUICKLEN    16      /* maximum # of bytes to encrypt quickly */
  41
  42 enum desdir { ENCRYPT, DECRYPT };
  43 enum desmode { CBC, ECB };
  44
  45 /*
  46  * parameters to ioctl call
  47  */
  48 struct desparams {
  49         u_char des_key[8];      /* key (with low bit parity) */
  50         enum desdir des_dir;    /* direction */
  51         enum desmode des_mode;  /* mode */
  52         u_char des_ivec[8];     /* input vector */
  53         unsigned des_len;       /* number of bytes to crypt */
  54         union {
  55                 u_char UDES_data[DES_QUICKLEN];
  56                 u_char *UDES_buf;
  57         } UDES;
  58 #       define des_data UDES.UDES_data  /* direct data here if quick */
  59 #       define des_buf  UDES.UDES_buf   /* otherwise, pointer to data */
  60 };
  61
  62 #ifdef notdef
  63
  64 /*
  65  * These ioctls are only implemented in SunOS. Maybe someday
  66  * if somebody writes a driver for DES hardware that works
  67  * with FreeBSD, we can being that back.
  68  */
  69
  70 /*
  71  * Encrypt an arbitrary sized buffer
  72  */
  73 #define DESIOCBLOCK     _IOWR(d, 6, struct desparams)
  74
  75 /*
  76  * Encrypt of small amount of data, quickly
  77  */
  78 #define DESIOCQUICK     _IOWR(d, 7, struct desparams)
  79
  80 #endif
  81
  82 /*
  83  * Software DES.
  84  */
  85 extern int _des_crypt ( char *, int, struct desparams * );