include/rpc/des.h

   1 /*
   2  * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
   3  * unrestricted use provided that this legend is included on all tape
   4  * media and as a part of the software program in whole or part.  Users
   5  * may copy or modify Sun RPC without charge, but are not authorized
   6  * to license or distribute it to anyone else except as part of a product or
   7  * program developed by the user.
   8  *
   9  * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
  10  * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
  11  * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
  12  *
  13  * Sun RPC is provided with no support and without any obligation on the
  14  * part of Sun Microsystems, Inc. to assist in its use, correction,
  15  * modification or enhancement.
  16  *
  17  * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
  18  * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
  19  * OR ANY PART THEREOF.
  20  *
  21  * In no event will Sun Microsystems, Inc. be liable for any lost revenue
  22  * or profits or other special, indirect and consequential damages, even if
  23  * Sun has been advised of the possibility of such damages.
  24  *
  25  * Sun Microsystems, Inc.
  26  * 2550 Garcia Avenue
  27  * Mountain View, California  94043
  28  *
  29  *  @(#)des.h   2.2 88/08/10 4.0 RPCSRC; from 2.7 88/02/08 SMI
  30  *  $DragonFly: src/include/rpc/des.h,v 1.2 2003/11/14 01:01:50 dillon Exp $
  31  */
  32 /*
  33  * Generic DES driver interface
  34  * Keep this file hardware independent!
  35  * Copyright (c) 1986 by Sun Microsystems, Inc.
  36  */
  37
  38 #include <sys/ioccom.h>
  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 * );