Home | History | Annotate | Line # | Download | only in libtelnet
encrypt.h revision 1.6
      1 /*	$NetBSD: encrypt.h,v 1.6 2000/06/22 06:47:43 thorpej 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. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *	This product includes software developed by the University of
     18  *	California, Berkeley and its contributors.
     19  * 4. Neither the name of the University nor the names of its contributors
     20  *    may be used to endorse or promote products derived from this software
     21  *    without specific prior written permission.
     22  *
     23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  * SUCH DAMAGE.
     34  *
     35  *	from: @(#)encrypt.h	8.1 (Berkeley) 6/4/93
     36  */
     37 
     38 /*
     39  * Copyright (C) 1990 by the Massachusetts Institute of Technology
     40  *
     41  * Export of this software from the United States of America is assumed
     42  * to require a specific license from the United States Government.
     43  * It is the responsibility of any person or organization contemplating
     44  * export to obtain such a license before exporting.
     45  *
     46  * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
     47  * distribute this software and its documentation for any purpose and
     48  * without fee is hereby granted, provided that the above copyright
     49  * notice appear in all copies and that both that copyright notice and
     50  * this permission notice appear in supporting documentation, and that
     51  * the name of M.I.T. not be used in advertising or publicity pertaining
     52  * to distribution of the software without specific, written prior
     53  * permission.  M.I.T. makes no representations about the suitability of
     54  * this software for any purpose.  It is provided "as is" without express
     55  * or implied warranty.
     56  */
     57 
     58 #ifdef	ENCRYPTION
     59 #include <sys/cdefs.h>
     60 #define P __P
     61 
     62 # ifndef __ENCRYPTION__
     63 # define __ENCRYPTION__
     64 
     65 #define	DIR_DECRYPT		1
     66 #define	DIR_ENCRYPT		2
     67 
     68 #define Block des_cblock
     69 typedef unsigned char *BlockT;
     70 #define Schedule des_key_schedule
     71 
     72 #define	VALIDKEY(key)	( key[0] | key[1] | key[2] | key[3] | \
     73 			  key[4] | key[5] | key[6] | key[7])
     74 
     75 #define	SAMEKEY(k1, k2)	(!bcmp((void *)k1, (void *)k2, sizeof(Block)))
     76 
     77 typedef	struct {
     78 	short		type;
     79 	int		length;
     80 	unsigned char	*data;
     81 } Session_Key;
     82 
     83 
     84 typedef struct {
     85 	char	*name;
     86 	int	type;
     87 	void	(*output) P((unsigned char *, int));
     88 	int	(*input) P((int));
     89 	void	(*init) P((int));
     90 	int	(*start) P((int, int));
     91 	int	(*is) P((unsigned char *, int));
     92 	int	(*reply) P((unsigned char *, int));
     93 	void	(*session) P((Session_Key *, int));
     94 	int	(*keyid) P((int, unsigned char *, int *));
     95 	void	(*printsub) P((unsigned char *, int, unsigned char *, int));
     96 } Encryptions;
     97 
     98 #define	SK_DES		1	/* Matched Kerberos v5 KEYTYPE_DES */
     99 
    100 #include "enc-proto.h"
    101 
    102 extern int encrypt_debug_mode;
    103 extern int (*decrypt_input) P((int));
    104 extern void (*encrypt_output) P((unsigned char *, int));
    105 # endif /* __ENCRYPTION__ */
    106 #endif /* ENCRYPTION */
    107