1 files changed, 78 insertions, 0 deletions
diff --git a/security/nss/lib/ssl/nsskea.c b/security/nss/lib/ssl/nsskea.c
new file mode 100644
index 000000000..beafc506e
--- /dev/null
+++ b/security/nss/lib/ssl/nsskea.c
@@ -0,0 +1,78 @@
+/*
+ * Return SSLKEAType derived from cert's Public Key algorithm info.
+ *
+ * ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is the Netscape security libraries.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 1994-2000
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *   Dr Vipul Gupta <vipul.gupta@sun.com>, Sun Microsystems Laboratories
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+/* $Id$ */
+
+#include "cert.h"
+#include "ssl.h"	/* for SSLKEAType */
+#include "secoid.h"
+
+SSLKEAType
+NSS_FindCertKEAType(CERTCertificate * cert)
+{
+  SSLKEAType keaType = kt_null; 
+  int tag;
+  
+  if (!cert) goto loser;
+  
+  tag = SECOID_GetAlgorithmTag(&(cert->subjectPublicKeyInfo.algorithm));
+  
+  switch (tag) {
+  case SEC_OID_X500_RSA_ENCRYPTION:
+  case SEC_OID_PKCS1_RSA_ENCRYPTION:
+    keaType = kt_rsa;
+    break;
+  case SEC_OID_X942_DIFFIE_HELMAN_KEY:
+    keaType = kt_dh;
+    break;
+#ifdef NSS_ENABLE_ECC
+  case SEC_OID_ANSIX962_EC_PUBLIC_KEY:
+    keaType = kt_ecdh;
+    break;
+#endif /* NSS_ENABLE_ECC */
+  default:
+    keaType = kt_null;
+  }
+  
+ loser:
+  
+  return keaType;
+
+}
+