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1 | /* $OpenBSD: key.h,v 1.26 2006/08/03 03:34:42 deraadt 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 | ||
32 | typedef struct Key Key; | |
33 | enum types { | |
34 | KEY_RSA1, | |
35 | KEY_RSA, | |
36 | KEY_DSA, | |
37 | KEY_UNSPEC | |
38 | }; | |
39 | enum fp_type { | |
40 | SSH_FP_SHA1, | |
41 | SSH_FP_MD5 | |
42 | }; | |
43 | enum 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 | ||
51 | struct Key { | |
52 | int type; | |
53 | int flags; | |
54 | RSA *rsa; | |
55 | DSA *dsa; | |
56 | }; | |
57 | ||
58 | Key *key_new(int); | |
59 | Key *key_new_private(int); | |
60 | void key_free(Key *); | |
61 | Key *key_demote(const Key *); | |
62 | int key_equal(const Key *, const Key *); | |
63 | char *key_fingerprint(const Key *, enum fp_type, enum fp_rep); | |
64 | u_char *key_fingerprint_raw(const Key *, enum fp_type, u_int *); | |
65 | const char *key_type(const Key *); | |
66 | int key_write(const Key *, FILE *); | |
67 | int key_read(Key *, char **); | |
68 | u_int key_size(const Key *); | |
69 | ||
70 | Key *key_generate(int, u_int); | |
71 | Key *key_from_private(const Key *); | |
72 | int key_type_from_name(char *); | |
73 | ||
74 | Key *key_from_blob(const u_char *, u_int); | |
75 | int key_to_blob(const Key *, u_char **, u_int *); | |
76 | const char *key_ssh_name(const Key *); | |
77 | int key_names_valid2(const char *); | |
78 | ||
79 | int key_sign(const Key *, u_char **, u_int *, const u_char *, u_int); | |
80 | int key_verify(const Key *, const u_char *, u_int, const u_char *, u_int); | |
81 | ||
82 | int ssh_dss_sign(const Key *, u_char **, u_int *, const u_char *, u_int); | |
83 | int ssh_dss_verify(const Key *, const u_char *, u_int, const u_char *, u_int); | |
84 | int ssh_rsa_sign(const Key *, u_char **, u_int *, const u_char *, u_int); | |
85 | int ssh_rsa_verify(const Key *, const u_char *, u_int, const u_char *, u_int); | |
86 | ||
87 | #endif |