test/jdk/java/security/KeyRep/SerialDSAPubKey.java

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/*
 * @test
 * @bug 6232513
 * @summary RMI interoperability issue with DSAPublicKey obj between
 *              JDK1.4 & JDK1.5
 * @run main/othervm -Dsun.security.key.serial.interop=true -Dsun.security.pkcs11.enable-solaris=false SerialDSAPubKey
 */

import java.io.*;
import java.math.BigInteger;
import java.security.*;
import javax.crypto.*;
import javax.crypto.spec.*;

public class SerialDSAPubKey {

    // provider
    private static final String SUN = "SUN";

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

        // This test generates sun.security.DSAPublicKey
        // (not sun.security.DSAPublicKeyImpl, as Serial.java does)

        // generate DSA key pair
        KeyPairGenerator kpg = KeyPairGenerator.getInstance("DSA", SUN);
        kpg.initialize(512);
        KeyPair dsaKp = kpg.genKeyPair();

        // serialize DSA key pair
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        ObjectOutputStream oos = new ObjectOutputStream(baos);
        oos.writeObject(dsaKp);
        oos.close();

        // deserialize DSA key pair
        ObjectInputStream ois = new ObjectInputStream
                        (new ByteArrayInputStream(baos.toByteArray()));
        KeyPair dsaKp2 = (KeyPair)ois.readObject();
        ois.close();

        if (!dsaKp2.getPublic().equals(dsaKp.getPublic()) ||
            !dsaKp2.getPrivate().equals(dsaKp.getPrivate())) {
            throw new SecurityException("DSA test failed");
        }
    }
}