1/*
2 * Copyright 2002 Sun Microsystems, Inc.  All rights reserved.
3 * Use is subject to license terms.
4 */
5
6/*
7 * Copyright (c) 1991, 1993
8 *	The Regents of the University of California.  All rights reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 *    must display the following acknowledgement:
20 *	This product includes software developed by the University of
21 *	California, Berkeley and its contributors.
22 * 4. Neither the name of the University nor the names of its contributors
23 *    may be used to endorse or promote products derived from this software
24 *    without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 * SUCH DAMAGE.
37 *
38 *	@(#)encrypt.h	8.1 (Berkeley) 6/4/93
39 */
40
41/*
42 * Copyright (C) 1990 by the Massachusetts Institute of Technology
43 *
44 * Export of this software from the United States of America may
45 * require a specific license from the United States Government.
46 * It is the responsibility of any person or organization contemplating
47 * export to obtain such a license before exporting.
48 *
49 * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
50 * distribute this software and its documentation for any purpose and
51 * without fee is hereby granted, provided that the above copyright
52 * notice appear in all copies and that both that copyright notice and
53 * this permission notice appear in supporting documentation, and that
54 * the name of M.I.T. not be used in advertising or publicity pertaining
55 * to distribution of the software without specific, written prior
56 * permission.  Furthermore if you modify this software you must label
57 * your software as modified software and not distribute it in such a
58 * fashion that it might be confused with the original M.I.T. software.
59 * M.I.T. makes no representations about the suitability of
60 * this software for any purpose.  It is provided "as is" without express
61 * or implied warranty.
62 */
63
64#ifndef	_ENCRYPT_H
65#define	_ENCRYPT_H
66
67#pragma ident	"%Z%%M%	%I%	%E% SMI"
68
69#ifdef	__cplusplus
70extern "C" {
71#endif
72
73#define	ENCR_LBUF_BUFSIZ	32	  /* short temporary buffer */
74#define	SAMEKEY(k1, k2)	(!memcmp((void *)k1, (void *)k2, sizeof (Block))
75
76#include <arpa/telnet.h>
77
78typedef struct {
79	char	*name;
80	int	type;
81	void	(*output)(unsigned char *, int);
82	int	(*input)(int);
83	void	(*init)();
84	int	(*start)(int);
85	int	(*is)(unsigned char *, int);
86	int	(*reply)(unsigned char *, int);
87	void	(*session)(Session_Key *);
88	int	(*keyid)(int, unsigned char *, int *);
89	void	(*printsub)(unsigned char *, int, unsigned char *, int);
90} Encryptions;
91
92#define	SK_DES		1	/* Matched Kerberos v5 ENCTYPE_DES */
93
94void	encrypt_support(uchar_t *, int);
95void	encrypt_init(char *);
96void	encrypt_send_supprt(void);
97void	encrypt_auto(int);
98void	decrypt_auto(int);
99void	encrypt_is(unsigned char *, int);
100void	encrypt_reply(unsigned char *, int);
101void	encrypt_start(uchar_t *, int);
102void	encrypt_start_input(int);
103void	encrypt_session_key(Session_Key *);
104void	encrypt_end(void);
105void	encrypt_request_end(void);
106void	encrypt_request_start(uchar_t *, int);
107void	encrypt_enc_keyid(uchar_t *, int);
108void	encrypt_dec_keyid(uchar_t *, int);
109void	encrypt_end_input(void);
110void	encrypt_end_output(void);
111boolean_t	encrypt_is_encrypting(void);
112void	encrypt_send_support(void);
113void	encrypt_send_keyid(int, unsigned char *, int, int);
114void	encrypt_display(void);
115void	encrypt_printsub(uchar_t *, int,  uchar_t *, int);
116
117void	cfb64_encrypt(unsigned char *, int);
118int	cfb64_decrypt(int);
119void	cfb64_init(void);
120int	cfb64_start(int);
121int	cfb64_is(unsigned char *, int);
122int	cfb64_reply(unsigned char *, int);
123void	cfb64_session(Session_Key *);
124int	cfb64_keyid(int, unsigned char *, int *);
125void	cfb64_printsub(unsigned char *, int, unsigned char *, int);
126
127extern boolean_t	encrypt_debug_mode;
128extern int	(*decrypt_input)(int);
129extern void	(*encrypt_output)(unsigned char *, int);
130
131int	key_file_exists(void);
132void	key_lookup(unsigned char *, Block);
133void	key_stream_init(Block, Block, int);
134unsigned char	key_stream(int, int);
135
136int	EncryptStatus(void);
137int	EncryptEnable(char *, char *);
138int	EncryptDisable(char *, char *);
139int	EncryptType(char *, char *);
140int	EncryptStart(char *);
141int	EncryptStartInput(void);
142int	EncryptStartOutput(void);
143int	EncryptStop(char *);
144int	EncryptStopInput(void);
145int	EncryptStopOutput(void);
146int	EncryptDebug(int);
147int	EncryptVerbose(int);
148int	EncryptAutoEnc(int);
149int	EncryptAutoDec(int);
150
151#ifdef	__cplusplus
152}
153#endif
154
155#endif	/* _ENCRYPT_H */
156