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/*
* Copyright (c) 2018, 2019, 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 8214096 8216039
* @summary Make sure SignatureUtil works with null algorithm parameters
* @modules java.base/sun.security.util
*/
import java.security.*;
import java.security.spec.AlgorithmParameterSpec;
import sun.security.util.SignatureUtil;
public class SetNullSigParams {
public static void main(String[] args) throws Exception {
Signature sig = new SpecialSigImpl();
SignatureUtil.initVerifyWithParam(sig, (PublicKey) null, null);
SignatureUtil.initSignWithParam(sig, null, null, null);
}
// Sample Signature impl class which simulates 3rd party provider behavior
// and throws NPE when given null algorithm parameters
// For max backward-compatibility, sun.security.util.SignatureUtil class
// now calls setParameter() only when algorithm parameters is non-null
private static class SpecialSigImpl extends Signature {
SpecialSigImpl() {
super("ANY");
}
@Override
protected void engineInitVerify(PublicKey publicKey)
throws InvalidKeyException {}
@Override
protected void engineInitSign(PrivateKey privateKey)
throws InvalidKeyException {}
@Override
protected void engineUpdate(byte b) throws SignatureException {}
@Override
protected void engineUpdate(byte[] b, int off, int len)
throws SignatureException {}
@Override
protected byte[] engineSign() throws SignatureException { return null; }
@Override
protected boolean engineVerify(byte[] sigBytes)
throws SignatureException { return false; }
@Override
protected void engineSetParameter(String param, Object value)
throws InvalidParameterException {}
@Override
protected void engineSetParameter(AlgorithmParameterSpec params)
throws InvalidAlgorithmParameterException {
if (params == null) throw new NullPointerException("Test Failed");
}
@Override
protected Object engineGetParameter(String param)
throws InvalidParameterException { return null; }
}
}
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