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/*
* Copyright (c) 2021, 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 8270946
* @library /test/lib
* @modules java.base/sun.security.x509
* java.base/sun.security.util
* @summary Check that X509CertImpl.getFingerprint does not return null when
* there are errors calculating the fingerprint
*/
import java.security.cert.CertificateEncodingException;
import java.security.cert.X509Certificate;
import sun.security.x509.X509CertImpl;
import sun.security.util.Debug;
import jdk.test.lib.Asserts;
import jdk.test.lib.security.CertUtils;
public class GetFingerprintError {
private static final Debug dbg = Debug.getInstance("certpath");
public static void main(String[] args) throws Exception {
X509Certificate cert = CertUtils.getCertFromString(CertUtils.RSA_CERT);
// test invalid MessageDigest algorithm
Asserts.assertNull(X509CertImpl.getFingerprint("NoSuchAlg", cert, dbg));
// test cert with bad encoding
X509Certificate fcert = new X509CertificateWithBadEncoding(cert);
Asserts.assertNull(X509CertImpl.getFingerprint("SHA-256", fcert, dbg));
}
private static class X509CertificateWithBadEncoding
extends CertUtils.ForwardingX509Certificate {
private X509CertificateWithBadEncoding(X509Certificate cert) {
super(cert);
}
@Override
public byte[] getEncoded() throws CertificateEncodingException {
throw new CertificateEncodingException();
}
}
}
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