key.h revision 126274 
1/*	$OpenBSD: key.h,v 1.23 2003/11/10 16:23:41 jakob Exp $	*/
2
3/*
4 * Copyright (c) 2000, 2001 Markus Friedl.  All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26#ifndef KEY_H
27#define KEY_H
28
29#include <openssl/rsa.h>
30#include <openssl/dsa.h>
31
32typedef struct Key Key;
33enum types {
34	KEY_RSA1,
35	KEY_RSA,
36	KEY_DSA,
37	KEY_UNSPEC
38};
39enum fp_type {
40	SSH_FP_SHA1,
41	SSH_FP_MD5
42};
43enum fp_rep {
44	SSH_FP_HEX,
45	SSH_FP_BUBBLEBABBLE
46};
47
48/* key is stored in external hardware */
49#define KEY_FLAG_EXT		0x0001
50
51struct Key {
52	int	 type;
53	int	 flags;
54	RSA	*rsa;
55	DSA	*dsa;
56};
57
58Key		*key_new(int);
59Key		*key_new_private(int);
60void		 key_free(Key *);
61Key		*key_demote(const Key *);
62int		 key_equal(const Key *, const Key *);
63char		*key_fingerprint(const Key *, enum fp_type, enum fp_rep);
64u_char		*key_fingerprint_raw(const Key *, enum fp_type, u_int *);
65const char	*key_type(const Key *);
66int		 key_write(const Key *, FILE *);
67int		 key_read(Key *, char **);
68u_int		 key_size(const Key *);
69
70Key	*key_generate(int, u_int);
71Key	*key_from_private(const Key *);
72int	 key_type_from_name(char *);
73
74Key		*key_from_blob(const u_char *, u_int);
75int		 key_to_blob(const Key *, u_char **, u_int *);
76const char	*key_ssh_name(const Key *);
77int		 key_names_valid2(const char *);
78
79int	 key_sign(const Key *, u_char **, u_int *, const u_char *, u_int);
80int	 key_verify(const Key *, const u_char *, u_int, const u_char *, u_int);
81
82int	 ssh_dss_sign(const Key *, u_char **, u_int *, const u_char *, u_int);
83int	 ssh_dss_verify(const Key *, const u_char *, u_int, const u_char *, u_int);
84int	 ssh_rsa_sign(const Key *, u_char **, u_int *, const u_char *, u_int);
85int	 ssh_rsa_verify(const Key *, const u_char *, u_int, const u_char *, u_int);
86
87#endif
88