package gnu.testlet.gnu.crypto.key.dss;
// ----------------------------------------------------------------------------
// $Id: TestOfDSSCodec.java,v 1.2 2005/10/06 04:24:20 rsdio Exp $
//
// Copyright (C) 2001, 2002, Free Software Foundation, Inc.
//
// This file is part of GNU Crypto.
//
// GNU Crypto is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2, or (at your option)
// any later version.
//
// GNU Crypto 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 for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; see the file COPYING. If not, write to the
//
// Free Software Foundation Inc.,
// 51 Franklin Street, Fifth Floor,
// Boston, MA 02110-1301
// USA
//
// Linking this library statically or dynamically with other modules is
// making a combined work based on this library. Thus, the terms and
// conditions of the GNU General Public License cover the whole
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// you permission to link this library with independent modules to
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// do so, delete this exception statement from your version.
// ----------------------------------------------------------------------------
// Tags: GNU-CRYPTO
import gnu.crypto.key.IKeyPairCodec;
import gnu.crypto.key.dss.DSSKeyPairGenerator;
import gnu.crypto.key.dss.DSSKeyPairRawCodec;
import gnu.crypto.key.dss.DSSPrivateKey;
import gnu.crypto.key.dss.DSSPublicKey;
import gnu.testlet.TestHarness;
import gnu.testlet.Testlet;
import java.security.KeyPair;
import java.security.PrivateKey;
import java.security.PublicKey;
import java.security.interfaces.DSAPrivateKey;
import java.security.interfaces.DSAPublicKey;
import java.util.HashMap;
/**
* <p>Conformance tests for the DSS key format encoding/decoding implementation.</p>
*
* @version $Revision: 1.2 $
*/
public class TestOfDSSCodec implements Testlet {
// Constants and variables
// -------------------------------------------------------------------------
private DSSKeyPairGenerator kpg = new DSSKeyPairGenerator();
private KeyPair kp;
// Constructor(s)
// -------------------------------------------------------------------------
// default 0-arguments constructor
// Class methods
// -------------------------------------------------------------------------
// Instance methods
// -------------------------------------------------------------------------
public void test(TestHarness harness) {
testKeyPairRawCodec(harness);
testPublicKeyValueOf(harness);
testPrivateKeyValueOf(harness);
}
public void testKeyPairRawCodec(TestHarness harness) {
harness.checkPoint("TestOfDSSCodec.testKeyPairRawCodec");
setUp();
DSAPublicKey pubK = (DSAPublicKey) kp.getPublic();
DSAPrivateKey secK = (DSAPrivateKey) kp.getPrivate();
byte[] pk1, pk2;
try { // an invalid format ID
pk1 = ((DSSPublicKey) pubK).getEncoded(0);
harness.fail("Succeeded with unknown format ID");
} catch (IllegalArgumentException x) {
harness.check(true, "Recognised unknown format ID");
}
pk1 = ((DSSPublicKey) pubK).getEncoded(IKeyPairCodec.RAW_FORMAT);
pk2 = ((DSSPrivateKey) secK).getEncoded(IKeyPairCodec.RAW_FORMAT);
IKeyPairCodec codec = new DSSKeyPairRawCodec();
PublicKey newPubK = codec.decodePublicKey(pk1);
PrivateKey newSecK = codec.decodePrivateKey(pk2);
harness.check(pubK.equals(newPubK), "DSS public key Raw encoder/decoder test");
harness.check(secK.equals(newSecK), "DSS private key Raw encoder/decoder test");
}
public void testPublicKeyValueOf(TestHarness harness) {
harness.checkPoint("TestOfDSSCodec.testPublicKeyValueOf");
setUp();
DSAPublicKey pubK = (DSAPublicKey) kp.getPublic();
byte[] pk = ((DSSPublicKey) pubK).getEncoded(IKeyPairCodec.RAW_FORMAT);
PublicKey newPubK = DSSPublicKey.valueOf(pk);
harness.check(pubK.equals(newPubK), "DSS public key valueOf(<raw-value>) test");
}
public void testPrivateKeyValueOf(TestHarness harness) {
harness.checkPoint("TestOfDSSCodec.testPrivateKeyValueOf");
setUp();
DSAPrivateKey privateK = (DSAPrivateKey) kp.getPrivate();
byte[] pk = ((DSSPrivateKey) privateK).getEncoded(IKeyPairCodec.RAW_FORMAT);
PrivateKey newSecK = DSSPrivateKey.valueOf(pk);
harness.check(privateK.equals(newSecK), "DSS public key valueOf(<raw-value>) test");
}
// helper methods ----------------------------------------------------------
private void setUp() {
HashMap map = new HashMap();
map.put(DSSKeyPairGenerator.MODULUS_LENGTH, new Integer(512));
map.put(DSSKeyPairGenerator.USE_DEFAULTS, new Boolean(false));
kpg.setup(map);
kp = kpg.generate();
}
}