Java example source code file (ExtensibleAlgorithmId.java)

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Java - Java tags/keywords

dummy, exception, extensiblealgorithmid, object, oid, privilegedaction, security, string, testprovider, wrong, xyz

The ExtensibleAlgorithmId.java Java example source code

/*
 * Copyright (c) 1998, 2011, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

/*
 * @test
 * @bug 4162868
 * @run main/othervm ExtensibleAlgorithmId
 * @summary Algorithm Name-to-OID mapping needs to be made extensible.
 */

// Run in othervm, coz AlgorithmId.oidTable is only initialized once

import java.security.*;
import sun.security.x509.AlgorithmId;

public class ExtensibleAlgorithmId {

    public static void main(String[] args) throws Exception {
        TestProvider p = new TestProvider();
        Security.addProvider(p);
        AlgorithmId algid = AlgorithmId.getAlgorithmId("XYZ");
        String alias = "Alg.Alias.Signature.OID." + algid.toString();
        String stdAlgName = p.getProperty(alias);
        if (stdAlgName == null || !stdAlgName.equalsIgnoreCase("XYZ")) {
            throw new Exception("Wrong OID");
        }
    }
}

class TestProvider extends Provider {

    public TestProvider() {
        super("Dummy", 1.0, "XYZ algorithm");

        AccessController.doPrivileged(new PrivilegedAction() {
            public Object run() {

                put("Signature.XYZ", "test.xyz");
                // preferred OID
                put("Alg.Alias.Signature.OID.1.2.3.4.5.6.7.8.9.0",
                    "XYZ");
                put("Alg.Alias.Signature.9.8.7.6.5.4.3.2.1.0",
                    "XYZ");
                return null;
            }
        });
    }
}