/*

 * Copyright (c) 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 6618658

 * @summary Deserialization allows creation of mutable SignedObject

 */

import java.io.ByteArrayInputStream;

import java.io.ByteArrayOutputStream;

import java.io.ObjectInputStream;

import java.io.ObjectOutputStream;

import java.security.KeyPair;

import java.security.KeyPairGenerator;

import java.security.Signature;

import java.security.SignedObject;

public class Correctness {

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

        String SIGALG = "SHA1withRSA";

        KeyPairGenerator kpg = KeyPairGenerator.getInstance("RSA");

        KeyPair kp = kpg.generateKeyPair();

        SignedObject so1 = new SignedObject("Hello", kp.getPrivate(),

                Signature.getInstance(SIGALG));

        ByteArrayOutputStream byteOut = new ByteArrayOutputStream();

        ObjectOutputStream out = new ObjectOutputStream(byteOut);

        out.writeObject(so1);

        out.close();

        byte[] data = byteOut.toByteArray();

        SignedObject so2 = (SignedObject)new ObjectInputStream(

                new ByteArrayInputStream(data)).readObject();

        if (!so2.getObject().equals("Hello")) {

            throw new Exception("Content changed");

        }

        if (!so2.getAlgorithm().equals(SIGALG)) {

            throw new Exception("Signature algorithm unknown");

        }

        if (!so2.verify(kp.getPublic(), Signature.getInstance(SIGALG))) {

            throw new Exception("Not verified");

        }

    }

}