/*

 * Copyright (c) 2014, 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     8004873

 * @summary Need to include data buffered by Padding impl when calculating

 * output buffer sizes.

 */

import java.io.*;

import java.security.*;

import java.security.spec.*;

import java.util.*;

import javax.crypto.*;

import javax.crypto.spec.*;

public class Test8004873 extends UcryptoTest {

    private static final String[] PADDEDCIPHER_ALGOS = {

        "AES/ECB/PKCS5Padding",

        "AES/CBC/PKCS5Padding",

        "AES/CFB128/PKCS5Padding"

    };

    private static final SecretKey AES_KEY;

    static {

        byte[] keyValue = {

            62, 124, -2, -15, 86, -25, 18, -112, 110, 31, 96, 59,

            89, 70, 60, 103};

        AES_KEY = new SecretKeySpec(keyValue, "AES");

    }

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

        main(new Test8004873(), null);

    }

    public void doTest(Provider prov) throws Exception {

        boolean result = true;

        for (String algo : PADDEDCIPHER_ALGOS) {

            if (!testOOS(algo, prov)) {

                result = false;

                System.out.println(algo + " Test Failed!");

            }

        }

        if (!result) {

            throw new Exception("One or more test failed!");

        }

    }

    private boolean testOOS(String algo, Provider prov)

        throws Exception {

        String password = "abcd1234";

        Cipher c;

        try {

            c = Cipher.getInstance(algo, prov);

        } catch(NoSuchAlgorithmException nsae) {

            System.out.println("Skipping Unsupported algo: " + algo);

            return true;

        }

        c.init(Cipher.ENCRYPT_MODE, AES_KEY);

        AlgorithmParameters params = c.getParameters();

        ByteArrayOutputStream baos = new ByteArrayOutputStream();

        CipherOutputStream cos = new CipherOutputStream(baos, c);

        ObjectOutputStream oos = new ObjectOutputStream(cos);

        oos.writeObject(password);

        oos.flush();

        oos.close();

        byte[] encrypted = baos.toByteArray();

        c.init(Cipher.DECRYPT_MODE, AES_KEY, params);

        ByteArrayInputStream bais = new ByteArrayInputStream(encrypted);

        CipherInputStream cis = new CipherInputStream(bais, c);

        ObjectInputStream ois = new ObjectInputStream(cis);

        String recovered = (String) ois.readObject();

        return recovered.equals(password);

    }

}