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718e3744 | 1 | /* key-chain for authentication. |
2 | * Copyright (C) 2000 Kunihiro Ishiguro | |
3 | * | |
4 | * This file is part of GNU Zebra. | |
5 | * | |
6 | * GNU Zebra is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published | |
8 | * by the Free Software Foundation; either version 2, or (at your | |
9 | * option) any later version. | |
10 | * | |
11 | * GNU Zebra is distributed in the hope that it will be useful, but | |
12 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | * General Public License for more details. | |
15 | * | |
896014f4 DL |
16 | * You should have received a copy of the GNU General Public License along |
17 | * with this program; see the file COPYING; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
718e3744 | 19 | */ |
20 | ||
21 | #ifndef _ZEBRA_KEYCHAIN_H | |
22 | #define _ZEBRA_KEYCHAIN_H | |
23 | ||
e80e7cce DL |
24 | #include "qobj.h" |
25 | ||
5e244469 RW |
26 | #ifdef __cplusplus |
27 | extern "C" { | |
28 | #endif | |
29 | ||
72000880 AR |
30 | enum keychain_hash_algo { |
31 | KEYCHAIN_ALGO_NULL, | |
32 | KEYCHAIN_ALGO_MD5, | |
33 | KEYCHAIN_ALGO_HMAC_SHA1, | |
34 | KEYCHAIN_ALGO_HMAC_SHA256, | |
35 | KEYCHAIN_ALGO_HMAC_SHA384, | |
36 | KEYCHAIN_ALGO_HMAC_SHA512, | |
37 | KEYCHAIN_ALGO_MAX | |
38 | }; | |
39 | ||
40 | #define KEYCHAIN_MD5_HASH_SIZE 16 | |
41 | #define KEYCHAIN_HMAC_SHA1_HASH_SIZE 20 | |
42 | #define KEYCHAIN_HMAC_SHA256_HASH_SIZE 32 | |
43 | #define KEYCHAIN_HMAC_SHA384_HASH_SIZE 48 | |
44 | #define KEYCHAIN_HMAC_SHA512_HASH_SIZE 64 | |
45 | #define KEYCHAIN_MAX_HASH_SIZE 64 | |
46 | ||
47 | #define KEYCHAIN_ALGO_MD5_INTERNAL_BLK_SIZE 16 | |
48 | #define KEYCHAIN_ALGO_SHA1_INTERNAL_BLK_SIZE 64 | |
49 | #define KEYCHAIN_ALGO_SHA256_INTERNAL_BLK_SIZE 64 | |
50 | #define KEYCHAIN_ALGO_SHA384_INTERNAL_BLK_SIZE 128 | |
51 | #define KEYCHAIN_ALGO_SHA512_INTERNAL_BLK_SIZE 128 | |
52 | #define KEYCHAIN_ALGO_MAX_INTERNAL_BLK_SIZE 128 | |
53 | ||
54 | struct keychain_algo_info { | |
55 | enum keychain_hash_algo key; | |
56 | const char *name; | |
42bfee18 AR |
57 | uint16_t length; |
58 | uint16_t block; | |
72000880 AR |
59 | const char *desc; |
60 | }; | |
61 | ||
62 | extern const struct keychain_algo_info algo_info[]; | |
42bfee18 AR |
63 | uint16_t keychain_get_block_size(enum keychain_hash_algo key); |
64 | uint16_t keychain_get_hash_len(enum keychain_hash_algo key); | |
72000880 AR |
65 | const char *keychain_get_description(enum keychain_hash_algo key); |
66 | struct keychain_algo_info | |
67 | keychain_get_hash_algo_info(enum keychain_hash_algo key); | |
68 | enum keychain_hash_algo keychain_get_algo_id_by_name(const char *name); | |
69 | const char *keychain_get_algo_name_by_id(enum keychain_hash_algo key); | |
70 | ||
d62a17ae | 71 | struct keychain { |
72 | char *name; | |
718e3744 | 73 | |
d62a17ae | 74 | struct list *key; |
e80e7cce | 75 | |
96244aca | 76 | QOBJ_FIELDS; |
718e3744 | 77 | }; |
96244aca | 78 | DECLARE_QOBJ_TYPE(keychain); |
718e3744 | 79 | |
d62a17ae | 80 | struct key_range { |
81 | time_t start; | |
82 | time_t end; | |
718e3744 | 83 | |
d7c0a89a | 84 | uint8_t duration; |
718e3744 | 85 | }; |
86 | ||
d62a17ae | 87 | struct key { |
d7c0a89a | 88 | uint32_t index; |
718e3744 | 89 | |
d62a17ae | 90 | char *string; |
72000880 | 91 | enum keychain_hash_algo hash_algo; |
d62a17ae | 92 | struct key_range send; |
93 | struct key_range accept; | |
e80e7cce | 94 | |
96244aca | 95 | QOBJ_FIELDS; |
718e3744 | 96 | }; |
96244aca | 97 | DECLARE_QOBJ_TYPE(key); |
718e3744 | 98 | |
d62a17ae | 99 | extern void keychain_init(void); |
100 | extern struct keychain *keychain_lookup(const char *); | |
d7c0a89a | 101 | extern struct key *key_lookup_for_accept(const struct keychain *, uint32_t); |
d62a17ae | 102 | extern struct key *key_match_for_accept(const struct keychain *, const char *); |
103 | extern struct key *key_lookup_for_send(const struct keychain *); | |
72000880 | 104 | const char *keychain_algo_str(enum keychain_hash_algo hash_algo); |
5e244469 RW |
105 | #ifdef __cplusplus |
106 | } | |
107 | #endif | |
108 | ||
718e3744 | 109 | #endif /* _ZEBRA_KEYCHAIN_H */ |