53a97cbeb3
Co-authored-by: Alexander Kulyakthin <alexander.kulyakhtin@oracle.com> Co-authored-by: Alan Bateman <alan.bateman@oracle.com> Reviewed-by: alanb, joehw, lancea
71 lines
2.6 KiB
Java
71 lines
2.6 KiB
Java
/*
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* Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 7081411
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* @summary DSA keypair generation affected by Solaris bug
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* @modules java.base/sun.security.provider
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*/
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import java.security.KeyPair;
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import java.security.KeyPairGenerator;
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import java.security.Signature;
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import sun.security.provider.DSAPrivateKey;
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public class SolarisShortDSA {
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static byte[] data = new byte[0];
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public static void main(String args[]) throws Exception {
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for (int i=0; i<10000; i++) {
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KeyPairGenerator kpg = KeyPairGenerator.getInstance("DSA");
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KeyPair kp = kpg.generateKeyPair();
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DSAPrivateKey dpk = (DSAPrivateKey)kp.getPrivate();
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int len = dpk.getX().bitLength();
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if (len <= 152) {
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if (!use(kp)) {
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String os = System.getProperty("os.name");
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// Solaris bug, update the following line once it's fixed
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if (os.equals("SunOS")) {
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throw new IllegalStateException(
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"Don't panic. This is a Solaris bug");
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} else {
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throw new RuntimeException("Real test failure");
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}
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}
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break;
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}
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}
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}
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static boolean use(KeyPair kp) throws Exception {
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Signature sig = Signature.getInstance("SHA1withDSA");
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sig.initSign(kp.getPrivate());
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sig.update(data);
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byte[] signed = sig.sign();
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Signature sig2 = Signature.getInstance("SHA1withDSA");
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sig2.initVerify(kp.getPublic());
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sig2.update(data);
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return sig2.verify(signed);
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}
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}
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