/*
* Copyright (C) 2011 Citrix Systems, Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.cloud.bridge.util;
import org.apache.log4j.Logger;
import java.security.cert.Certificate;
import java.security.cert.X509Certificate;
import javax.security.auth.x500.X500Principal;
import java.math.BigInteger;
public class AuthenticationUtils {
protected final static Logger logger = Logger.getLogger(AuthenticationUtils.class);
public AuthenticationUtils() {
}
/**
* The combination of the Issuer and the serial number of a X509 certificate
* must be globally unique. The Issuer can be described by its Distinguished Name (DN).
* The uniqueId is constructed by appending a ", serial=" onto the end of the Issuer's
* DN (thus keeping the DN format).
*
* @param cert
*/
public static String X509CertUniqueId( Certificate cert ) {
X509Certificate userCert = (X509Certificate)cert;
X500Principal issuer = userCert.getIssuerX500Principal();
BigInteger serialNumber = userCert.getSerialNumber();
return new String( issuer.toString() + ", serial=" + serialNumber );
}
}