lib/libtelnet/encrypt.h

   1 /*      $NetBSD: encrypt.h,v 1.7 2003/08/07 16:44:55 agc Exp $  */
   2
   3 /*-
   4  * Copyright (c) 1991, 1993
   5  *      The Regents of the University of California.  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
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. Neither the name of the University nor the names of its contributors
  16  *    may be used to endorse or promote products derived from this software
  17  *    without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  29  * SUCH DAMAGE.
  30  *
  31  *      from: @(#)encrypt.h     8.1 (Berkeley) 6/4/93
  32  */
  33
  34 /*
  35  * Copyright (C) 1990 by the Massachusetts Institute of Technology
  36  *
  37  * Export of this software from the United States of America is assumed
  38  * to require a specific license from the United States Government.
  39  * It is the responsibility of any person or organization contemplating
  40  * export to obtain such a license before exporting.
  41  *
  42  * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
  43  * distribute this software and its documentation for any purpose and
  44  * without fee is hereby granted, provided that the above copyright
  45  * notice appear in all copies and that both that copyright notice and
  46  * this permission notice appear in supporting documentation, and that
  47  * the name of M.I.T. not be used in advertising or publicity pertaining
  48  * to distribution of the software without specific, written prior
  49  * permission.  M.I.T. makes no representations about the suitability of
  50  * this software for any purpose.  It is provided "as is" without express
  51  * or implied warranty.
  52  */
  53
  54 #ifdef  ENCRYPTION
  55 #include <sys/cdefs.h>
  56
  57 # ifndef __ENCRYPTION__
  58 # define __ENCRYPTION__
  59
  60 #define DIR_DECRYPT             1
  61 #define DIR_ENCRYPT             2
  62
  63 #define Block des_cblock
  64 typedef unsigned char *BlockT;
  65 #define Schedule des_key_schedule
  66
  67 #define VALIDKEY(key)   ( key[0] | key[1] | key[2] | key[3] | \
  68                           key[4] | key[5] | key[6] | key[7])
  69
  70 #define SAMEKEY(k1, k2) (!bcmp((void *)k1, (void *)k2, sizeof(Block)))
  71
  72 typedef struct {
  73         short           type;
  74         int             length;
  75         unsigned char   *data;
  76 } Session_Key;
  77
  78
  79 typedef struct {
  80         char    *name;
  81         int     type;
  82         void    (*output)(unsigned char *, int);
  83         int     (*input)(int);
  84         void    (*init)(int);
  85         int     (*start)(int, int);
  86         int     (*is)(unsigned char *, int);
  87         int     (*reply)(unsigned char *, int);
  88         void    (*session)(Session_Key *, int);
  89         int     (*keyid)(int, unsigned char *, int *);
  90         void    (*printsub)(unsigned char *, int, unsigned char *, int);
  91 } Encryptions;
  92
  93 #define SK_DES          1       /* Matched Kerberos v5 KEYTYPE_DES */
  94
  95 #include "enc-proto.h"
  96
  97 extern int encrypt_debug_mode;
  98 extern int (*decrypt_input)(int);
  99 extern void (*encrypt_output)(unsigned char *, int);
 100 # endif /* __ENCRYPTION__ */
 101 #endif /* ENCRYPTION */