/*

 * 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 4856966

 * @summary

 * @author Andreas Sterbenz

 * @library ..

 */

import java.util.*;

import java.security.*;

import javax.crypto.*;

import javax.crypto.spec.*;

public class ReinitMac extends PKCS11Test {

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

        main(new ReinitMac());

    }

    public void main(Provider p) throws Exception {

        if (p.getService("Mac", "HmacMD5") == null) {

            System.out.println(p + " does not support HmacMD5, skipping");

            return;

        }

        Random random = new Random();

        byte[] data1 = new byte[10 * 1024];

        random.nextBytes(data1);

        byte[] keyData = new byte[16];

        random.nextBytes(keyData);

        SecretKeySpec key = new SecretKeySpec(keyData, "Hmac");

        Mac mac = Mac.getInstance("HmacMD5", p);

        mac.init(key);

        mac.init(key);

        mac.update(data1);

        mac.init(key);

        mac.doFinal();

        mac.doFinal();

        mac.update(data1);

        mac.doFinal();

        mac.reset();

        mac.reset();

        mac.init(key);

        mac.reset();

        mac.update(data1);

        mac.reset();

        System.out.println("All tests passed");

    }

}