/*

 * Copyright 2003 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

 * CA 95054 USA or visit www.sun.com if you need additional information or

 * have any questions.

 */

/**

 * @test

 * @bug 4898479

 * @summary Verify that the parity bits are set correctly

 * @author Andreas Sterbenz

 * @library ..

 */

import java.io.*;

import java.util.*;

import java.security.*;

import java.security.spec.*;

import javax.crypto.*;

import javax.crypto.spec.*;

public class DESParity extends PKCS11Test {

    public void main(Provider p) throws Exception {

        if (p.getService("SecretKeyFactory", "DES") == null) {

            System.out.println("Not supported by provider, skipping");

            return;

        }

        Random random = new Random();

        SecretKeyFactory kf;

        // DES

        kf = SecretKeyFactory.getInstance("DES", p);

        for (int i = 0; i < 10; i++ ) {

            byte[] b = new byte[8];

            random.nextBytes(b);

            SecretKeySpec spec = new SecretKeySpec(b, "DES");

            SecretKey key = kf.generateSecret(spec);

            if (DESKeySpec.isParityAdjusted(key.getEncoded(), 0) == false) {

                throw new Exception("DES key not parity adjusted");

            }

        }

        // DESede

        kf = SecretKeyFactory.getInstance("DESede", p);

        for (int i = 0; i < 10; i++ ) {

            byte[] b = new byte[24];

            random.nextBytes(b);

            SecretKeySpec spec = new SecretKeySpec(b, "DESede");

            SecretKey key = kf.generateSecret(spec);

            if (DESedeKeySpec.isParityAdjusted(key.getEncoded(), 0) == false) {

                throw new Exception("DESede key not parity adjusted");

            }

        }

    }

    public static void main(String[] args) throws Exception {

        main(new DESParity());

    }

}