/*

 * Copyright (c) 2012, 2016, 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.

 *

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 */

/*

 * @test

 * @bug 7146728

 * @summary Interop test for DH with secret that has a leading 0x00 byte

 * @library ..

 * @run main/othervm TestInterop

 * @run main/othervm TestInterop sm

 */

import java.math.BigInteger;

import java.security.KeyFactory;

import java.security.PrivateKey;

import java.security.Provider;

import java.security.PublicKey;

import java.util.Arrays;

import javax.crypto.KeyAgreement;

import javax.crypto.spec.DHPrivateKeySpec;

import javax.crypto.spec.DHPublicKeySpec;

public class TestInterop extends PKCS11Test {

    private final static BigInteger p = new BigInteger

    ("171718397966129586011229151993178480901904202533705695869569760169920539"

    + "80807543778874708672297590042574075430109846864794139516459381007417046"

    + "27996080624930219892858374168155487210358743785481212360509485282294161"

    + "39585571568998066586304075565145536350296006867635076744949977849997684"

    + "222020336013226588207303");

    private final static BigInteger g = new BigInteger("2");

    private final static BigInteger ya = new BigInteger

    ("687709211571508809414670982463565909269384277848448625781941269577397703"

    + "73675199968849153119146758339814638228795348558483510369322822476757204"

    + "22158455966026517829008713407587339322132253724742557954802911059639161"

    + "24827916158465757962384625410294483756242900146397201260757102085985457"

    + "09397033481077351036224");

    private final static BigInteger xa = new BigInteger

    ("104917367119952955556289227181599819745346393858545449202252025137706135"

    + "98100778613457655440586438263591136003106529323555991109623536177695714"

    + "66884181531401472902830508361532232717792847436112280721439936797741371"

    + "245140912614191507");

    private final static BigInteger yb  = new BigInteger

    ("163887874871842952463100699681506173424091615364591742415764095471629919"

    + "08421025296419917755446931473037086355546823601999684501737493240373415"

    + "65608293667837249198973539289354492348897732633852665609611113031379864"

    + "58514616034107537409230452318065341748503347627733368519091332060477528"

    + "173423377887175351037810");

    private final static BigInteger xb = new BigInteger

    ("127757517533485947079959908591028646859165238853082197617179368337276371"

    + "51601819447716934542027725311863797141734616730248519214531856941516613"

    + "30313414180008978013330410484011186019824874948204261839391153650949864"

    + "429505597086564709");

    @Override

    public void main(Provider prov) throws Exception {

        if (prov.getService("KeyAgreement", "DH") == null) {

            System.out.println("DH not supported, skipping");

            return;

        }

        try {

            System.out.println("testing generateSecret()");

            DHPublicKeySpec publicSpec;

            DHPrivateKeySpec privateSpec;

            KeyFactory kf = KeyFactory.getInstance("DH");

            KeyAgreement ka = KeyAgreement.getInstance("DH", prov);

            KeyAgreement kbSunJCE = KeyAgreement.getInstance("DH", "SunJCE");

            DHPrivateKeySpec privSpecA = new DHPrivateKeySpec(xa, p, g);

            DHPublicKeySpec pubSpecA = new DHPublicKeySpec(ya, p, g);

            PrivateKey privA = kf.generatePrivate(privSpecA);

            PublicKey pubA = kf.generatePublic(pubSpecA);

            DHPrivateKeySpec privSpecB = new DHPrivateKeySpec(xb, p, g);

            DHPublicKeySpec pubSpecB = new DHPublicKeySpec(yb, p, g);

            PrivateKey privB = kf.generatePrivate(privSpecB);

            PublicKey pubB = kf.generatePublic(pubSpecB);

            ka.init(privA);

            ka.doPhase(pubB, true);

            byte[] n1 = ka.generateSecret();

            kbSunJCE.init(privB);

            kbSunJCE.doPhase(pubA, true);

            byte[] n2 = kbSunJCE.generateSecret();

            if (Arrays.equals(n1, n2) == false) {

                throw new Exception("values mismatch!");

            } else {

                System.out.println("values: same");

            }

            System.out.println("testing generateSecret(byte[], int)");

            byte[] n3 = new byte[n1.length];

            ka.init(privB);

            ka.doPhase(pubA, true);

            int n3Len = ka.generateSecret(n3, 0);

            if (n3Len != n3.length) {

                throw new Exception("PKCS11 Length mismatch!");

            } else System.out.println("PKCS11 Length: ok");

            byte[] n4 = new byte[n2.length];

            kbSunJCE.init(privA);

            kbSunJCE.doPhase(pubB, true);

            int n4Len = kbSunJCE.generateSecret(n4, 0);

            if (n4Len != n4.length) {

                throw new Exception("SunJCE Length mismatch!");

            } else System.out.println("SunJCE Length: ok");

            if (Arrays.equals(n3, n4) == false) {

                throw new Exception("values mismatch! ");

            } else {

                System.out.println("values: same");

            }

        } catch (Exception ex) {

            System.out.println("Unexpected ex: " + ex);

            ex.printStackTrace();

            throw ex;

        }

    }

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

        main(new TestInterop(), args);

    }

}