package gnu.testlet.gnu.crypto.jce;
// --------------------------------------------------------------------------
// $Id: TestOfSignature.java,v 1.3 2005/10/06 04:24:19 rsdio Exp $
//
// Copyright (C) 2001, 2002, 2004 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
// combination.
//
// As a special exception, the copyright holders of this library give
// you permission to link this library with independent modules to
// produce an executable, regardless of the license terms of these
// independent modules, and to copy and distribute the resulting
// executable under terms of your choice, provided that you also meet,
// for each linked independent module, the terms and conditions of the
// license of that module. An independent module is a module which is
// not derived from or based on this library. If you modify this
// library, you may extend this exception to your version of the
// library, but you are not obligated to do so. If you do not wish to
// do so, delete this exception statement from your version.
// ----------------------------------------------------------------------------
// Tags: GNU-CRYPTO
import gnu.crypto.Registry;
import gnu.crypto.jce.GnuSecurity;
import gnu.testlet.TestHarness;
import gnu.testlet.Testlet;
import java.security.KeyPair;
import java.security.KeyPairGenerator;
import java.security.Security;
import java.security.Signature;
/**
* Conformance tests for the JCE signature scheme implementations.<p>
*
* @version $Revision: 1.3 $
*/
public class TestOfSignature implements Testlet {
// Constants and variables
// -------------------------------------------------------------------------
// Constructor(s)
// -------------------------------------------------------------------------
// default 0-arguments constructor
// Class methods
// -------------------------------------------------------------------------
// Instance methods
// -------------------------------------------------------------------------
public void test(TestHarness harness) {
setUp();
testUnknownScheme(harness);
testDSSRawSignature(harness);
testRSAPSSRawSignature(harness);
}
/** Should fail with an unknown scheme. */
public void testUnknownScheme(TestHarness harness) {
harness.checkPoint("testUnknownScheme");
try {
Signature.getInstance("ABC", Registry.GNU_SECURITY);
harness.fail("testUnknownScheme()");
} catch (Exception x) {
harness.check(true);
}
}
public void testDSSRawSignature(TestHarness harness) {
harness.checkPoint("testDSSRawSignature");
try {
KeyPairGenerator kpg = KeyPairGenerator.getInstance("DSA", Registry.GNU_SECURITY);
kpg.initialize(512);
KeyPair kp = kpg.generateKeyPair();
Signature alice = Signature.getInstance("DSA", Registry.GNU_SECURITY);
Signature bob = (Signature) alice.clone();
byte[] message = "1 if by land, 2 if by sea...".getBytes();
alice.initSign(kp.getPrivate());
alice.update(message);
byte[] signature = alice.sign();
bob.initVerify(kp.getPublic());
bob.update(message);
harness.check(bob.verify(signature), "Verify own signature");
} catch (Exception x) {
harness.debug(x);
harness.fail("testDSSRawSignature(): "+String.valueOf(x));
}
}
public void testRSAPSSRawSignature(TestHarness harness) {
harness.checkPoint("testRSAPSSRawSignature");
try {
KeyPairGenerator kpg = KeyPairGenerator.getInstance("RSA", Registry.GNU_SECURITY);
kpg.initialize(1024);
KeyPair kp = kpg.generateKeyPair();
Signature alice = Signature.getInstance("RSA-PSS", Registry.GNU_SECURITY);
Signature bob = (Signature) alice.clone();
byte[] message = "Que du magnifique...".getBytes();
alice.initSign(kp.getPrivate());
alice.update(message);
byte[] signature = alice.sign();
bob.initVerify(kp.getPublic());
bob.update(message);
harness.check(bob.verify(signature), "Verify own signature");
} catch (Exception x) {
harness.debug(x);
harness.fail("testRSAPSSRawSignature(): "+String.valueOf(x));
}
}
// helper methods
// -------------------------------------------------------------------------
private void setUp() {
Security.addProvider(new GnuSecurity()); // dynamically adds our provider
}
}