1 /*
2 * Return SSLKEAType derived from cert's Public Key algorithm info.
3 *
4 * ***** BEGIN LICENSE BLOCK *****
5 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
6 *
7 * The contents of this file are subject to the Mozilla Public License Version
8 * 1.1 (the "License"); you may not use this file except in compliance with
9 * the License. You may obtain a copy of the License at
10 * http://www.mozilla.org/MPL/
11 *
12 * Software distributed under the License is distributed on an "AS IS" basis,
13 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
14 * for the specific language governing rights and limitations under the
15 * License.
16 *
17 * The Original Code is the Netscape security libraries.
18 *
19 * The Initial Developer of the Original Code is
20 * Netscape Communications Corporation.
21 * Portions created by the Initial Developer are Copyright (C) 1994-2000
22 * the Initial Developer. All Rights Reserved.
23 *
24 * Contributor(s):
25 * Dr Vipul Gupta <vipul.gupta@sun.com>, Sun Microsystems Laboratories
26 *
27 * Alternatively, the contents of this file may be used under the terms of
28 * either the GNU General Public License Version 2 or later (the "GPL"), or
29 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
30 * in which case the provisions of the GPL or the LGPL are applicable instead
31 * of those above. If you wish to allow use of your version of this file only
32 * under the terms of either the GPL or the LGPL, and not to allow others to
33 * use your version of this file under the terms of the MPL, indicate your
34 * decision by deleting the provisions above and replace them with the notice
35 * and other provisions required by the GPL or the LGPL. If you do not delete
36 * the provisions above, a recipient may use your version of this file under
37 * the terms of any one of the MPL, the GPL or the LGPL.
38 *
39 * ***** END LICENSE BLOCK ***** */
40 /* $Id: nsskea.c,v 1.7 2005/08/16 03:42:26 nelsonb%netscape.com Exp $ */
41
42 #include "cert.h"
43 #include "ssl.h" /* for SSLKEAType */
44 #include "secoid.h"
45
46 SSLKEAType
NSS_FindCertKEAType(CERTCertificate * cert)47 NSS_FindCertKEAType(CERTCertificate * cert)
48 {
49 SSLKEAType keaType = kt_null;
50 int tag;
51
52 if (!cert) goto loser;
53
54 tag = SECOID_GetAlgorithmTag(&(cert->subjectPublicKeyInfo.algorithm));
55
56 switch (tag) {
57 case SEC_OID_X500_RSA_ENCRYPTION:
58 case SEC_OID_PKCS1_RSA_ENCRYPTION:
59 keaType = kt_rsa;
60 break;
61 case SEC_OID_X942_DIFFIE_HELMAN_KEY:
62 keaType = kt_dh;
63 break;
64 #ifdef NSS_ENABLE_ECC
65 case SEC_OID_ANSIX962_EC_PUBLIC_KEY:
66 keaType = kt_ecdh;
67 break;
68 #endif /* NSS_ENABLE_ECC */
69 default:
70 keaType = kt_null;
71 }
72
73 loser:
74
75 return keaType;
76
77 }
78
79