key.h revision 92555 
1251607Sdim/*	$OpenBSD: key.h,v 1.18 2002/02/24 19:14:59 markus Exp $	*/
2251607Sdim
3251607Sdim/*
4251607Sdim * Copyright (c) 2000, 2001 Markus Friedl.  All rights reserved.
5251607Sdim *
6251607Sdim * Redistribution and use in source and binary forms, with or without
7251607Sdim * modification, are permitted provided that the following conditions
8251607Sdim * are met:
9251607Sdim * 1. Redistributions of source code must retain the above copyright
10251607Sdim *    notice, this list of conditions and the following disclaimer.
11251607Sdim * 2. Redistributions in binary form must reproduce the above copyright
12251607Sdim *    notice, this list of conditions and the following disclaimer in the
13251607Sdim *    documentation and/or other materials provided with the distribution.
14251607Sdim *
15251607Sdim * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16251607Sdim * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17251607Sdim * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18251607Sdim * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19251607Sdim * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20251607Sdim * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21251607Sdim * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22251607Sdim * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23251607Sdim * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24251607Sdim * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25251607Sdim */
26263509Sdim#ifndef KEY_H
27251607Sdim#define KEY_H
28251607Sdim
29251607Sdim#include <openssl/rsa.h>
30251607Sdim#include <openssl/dsa.h>
31251607Sdim
32251607Sdimtypedef struct Key Key;
33251607Sdimenum types {
34251607Sdim	KEY_RSA1,
35251607Sdim	KEY_RSA,
36251607Sdim	KEY_DSA,
37251607Sdim	KEY_UNSPEC
38251607Sdim};
39251607Sdimenum fp_type {
40251607Sdim	SSH_FP_SHA1,
41251607Sdim	SSH_FP_MD5
42251607Sdim};
43251607Sdimenum fp_rep {
44251607Sdim	SSH_FP_HEX,
45251607Sdim	SSH_FP_BUBBLEBABBLE
46251607Sdim};
47251607Sdim
48251607Sdim/* key is stored in external hardware */
49251607Sdim#define KEY_FLAG_EXT		0x0001
50251607Sdim
51251607Sdimstruct Key {
52251607Sdim	int	 type;
53251607Sdim	int	 flags;
54251607Sdim	RSA	*rsa;
55251607Sdim	DSA	*dsa;
56263509Sdim};
57251607Sdim
58251607SdimKey	*key_new(int);
59251607SdimKey	*key_new_private(int);
60251607Sdimvoid	 key_free(Key *);
61251607Sdimint	 key_equal(Key *, Key *);
62251607Sdimchar	*key_fingerprint(Key *, enum fp_type, enum fp_rep);
63251607Sdimchar	*key_type(Key *);
64251607Sdimint	 key_write(Key *, FILE *);
65251607Sdimint	 key_read(Key *, char **);
66u_int	 key_size(Key *);
67
68Key	*key_generate(int, u_int);
69Key	*key_from_private(Key *);
70int	 key_type_from_name(char *);
71
72Key	*key_from_blob(u_char *, int);
73int	 key_to_blob(Key *, u_char **, u_int *);
74char	*key_ssh_name(Key *);
75int	 key_names_valid2(const char *);
76
77int	 key_sign(Key *, u_char **, u_int *, u_char *, u_int);
78int	 key_verify(Key *, u_char *, u_int, u_char *, u_int);
79
80#endif
81