xref: /minix/lib/libtelnet/encrypt.h (revision 7348b5c5)
1 /*	$NetBSD: encrypt.h,v 1.9 2012/01/09 15:25:33 christos 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 	const 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 */
102