1 /* $OpenBSD: key.h,v 1.47 2015/01/28 22:36:00 djm 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 "sshkey.h"
30 
31 typedef struct sshkey Key;
32 
33 #define types sshkey_types
34 #define fp_type sshkey_fp_type
35 #define fp_rep sshkey_fp_rep
36 
37 #ifndef SSH_KEY_NO_DEFINE
38 #define key_new			sshkey_new
39 #define key_free		sshkey_free
40 #define key_equal_public	sshkey_equal_public
41 #define key_equal		sshkey_equal
42 #define key_type		sshkey_type
43 #define key_cert_type		sshkey_cert_type
44 #define key_ssh_name		sshkey_ssh_name
45 #define key_ssh_name_plain	sshkey_ssh_name_plain
46 #define key_type_from_name	sshkey_type_from_name
47 #define key_ecdsa_nid_from_name	sshkey_ecdsa_nid_from_name
48 #define key_type_is_cert	sshkey_type_is_cert
49 #define key_size		sshkey_size
50 #define key_ecdsa_bits_to_nid	sshkey_ecdsa_bits_to_nid
51 #define key_ecdsa_key_to_nid	sshkey_ecdsa_key_to_nid
52 #define key_is_cert		sshkey_is_cert
53 #define key_type_plain		sshkey_type_plain
54 #define key_cert_is_legacy	sshkey_cert_is_legacy
55 #define key_curve_name_to_nid	sshkey_curve_name_to_nid
56 #define key_curve_nid_to_bits	sshkey_curve_nid_to_bits
57 #define key_curve_nid_to_name	sshkey_curve_nid_to_name
58 #define key_ec_nid_to_hash_alg	sshkey_ec_nid_to_hash_alg
59 #define key_dump_ec_point	sshkey_dump_ec_point
60 #define key_dump_ec_key		sshkey_dump_ec_key
61 #endif
62 
63 void	 key_add_private(Key *);
64 Key	*key_new_private(int);
65 void	 key_free(Key *);
66 Key	*key_demote(const Key *);
67 int	 key_write(const Key *, FILE *);
68 int	 key_read(Key *, char **);
69 
70 Key	*key_generate(int, u_int);
71 Key	*key_from_private(const Key *);
72 int	 key_to_certified(Key *, int);
73 int	 key_drop_cert(Key *);
74 int	 key_certify(Key *, Key *);
75 void	 key_cert_copy(const Key *, Key *);
76 int	 key_cert_check_authority(const Key *, int, int, const char *,
77 	    const char **);
78 char	*key_alg_list(int, int);
79 
80 #if defined(WITH_OPENSSL) && defined(OPENSSL_HAS_ECC)
81 int	 key_ec_validate_public(const EC_GROUP *, const EC_POINT *);
82 int	 key_ec_validate_private(const EC_KEY *);
83 #endif /* defined(WITH_OPENSSL) && defined(OPENSSL_HAS_ECC) */
84 
85 Key	*key_from_blob(const u_char *, u_int);
86 int	 key_to_blob(const Key *, u_char **, u_int *);
87 
88 int	 key_sign(const Key *, u_char **, u_int *, const u_char *, u_int);
89 int	 key_verify(const Key *, const u_char *, u_int, const u_char *, u_int);
90 
91 void     key_private_serialize(const Key *, struct sshbuf *);
92 Key	*key_private_deserialize(struct sshbuf *);
93 
94 /* authfile.c */
95 int	 key_save_private(Key *, const char *, const char *, const char *,
96     int, const char *, int);
97 int	 key_load_file(int, const char *, struct sshbuf *);
98 Key	*key_load_cert(const char *);
99 Key	*key_load_public(const char *, char **);
100 Key	*key_load_private(const char *, const char *, char **);
101 Key	*key_load_private_cert(int, const char *, const char *, int *);
102 Key	*key_load_private_type(int, const char *, const char *, char **, int *);
103 int	 key_perm_ok(int, const char *);
104 
105 #endif
106