fc2b996ebc1028b40adecc2b4b51c52908d9edef
[strongswan.git] / src / libstrongswan / credentials / keys / public_key.c
1 /*
2 * Copyright (C) 2007 Martin Willi
3 * Hochschule fuer Technik Rapperswil
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License as published by the
7 * Free Software Foundation; either version 2 of the License, or (at your
8 * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
9 *
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
12 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * for more details.
14 */
15
16 #include <asn1/oid.h>
17
18 #include "public_key.h"
19
20 ENUM(key_type_names, KEY_RSA, KEY_DSA,
21 "RSA",
22 "ECDSA",
23 "DSA"
24 );
25
26 ENUM(signature_scheme_names, SIGN_UNKNOWN, SIGN_ECDSA_521,
27 "UNKNOWN",
28 "RSA_EMSA_PKCS1_NULL",
29 "RSA_EMSA_PKCS1_MD5",
30 "RSA_EMSA_PKCS1_SHA1",
31 "RSA_EMSA_PKCS1_SHA224",
32 "RSA_EMSA_PKCS1_SHA256",
33 "RSA_EMSA_PKCS1_SHA384",
34 "RSA_EMSA_PKCS1_SHA512",
35 "ECDSA_WITH_SHA1_DER",
36 "ECDSA_WITH_SHA256_DER",
37 "ECDSA_WITH_SHA384_DER",
38 "ECDSA_WITH_SHA512_DER",
39 "ECDSA_WITH_NULL",
40 "ECDSA-256",
41 "ECDSA-384",
42 "ECDSA-521",
43 );
44
45 /**
46 * See header.
47 */
48 bool public_key_equals(public_key_t *this, public_key_t *other)
49 {
50 key_encoding_type_t type;
51 chunk_t a, b;
52
53 if (this == other)
54 {
55 return TRUE;
56 }
57
58 for (type = 0; type < KEY_ENCODING_MAX; type++)
59 {
60 if (this->get_fingerprint(this, type, &a) &&
61 other->get_fingerprint(other, type, &b))
62 {
63 return chunk_equals(a, b);
64 }
65 }
66 return FALSE;
67 }
68
69 /*
70 * Defined in header.
71 */
72 signature_scheme_t signature_scheme_from_oid(int oid)
73 {
74 switch (oid)
75 {
76 case OID_MD5_WITH_RSA:
77 case OID_MD5:
78 return SIGN_RSA_EMSA_PKCS1_MD5;
79 case OID_SHA1_WITH_RSA:
80 case OID_SHA1:
81 return SIGN_RSA_EMSA_PKCS1_SHA1;
82 case OID_SHA224_WITH_RSA:
83 case OID_SHA224:
84 return SIGN_RSA_EMSA_PKCS1_SHA224;
85 case OID_SHA256_WITH_RSA:
86 case OID_SHA256:
87 return SIGN_RSA_EMSA_PKCS1_SHA256;
88 case OID_SHA384_WITH_RSA:
89 case OID_SHA384:
90 return SIGN_RSA_EMSA_PKCS1_SHA384;
91 case OID_SHA512_WITH_RSA:
92 case OID_SHA512:
93 return SIGN_RSA_EMSA_PKCS1_SHA512;
94 case OID_ECDSA_WITH_SHA1:
95 case OID_EC_PUBLICKEY:
96 return SIGN_ECDSA_WITH_SHA1_DER;
97 case OID_ECDSA_WITH_SHA256:
98 return SIGN_ECDSA_WITH_SHA256_DER;
99 case OID_ECDSA_WITH_SHA384:
100 return SIGN_ECDSA_WITH_SHA384_DER;
101 case OID_ECDSA_WITH_SHA512:
102 return SIGN_ECDSA_WITH_SHA512_DER;
103 default:
104 return SIGN_UNKNOWN;
105 }
106 }
107