| /* |
| * Copyright (c) 2011, 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 7081411 |
| * @summary DSA keypair generation affected by Solaris bug |
| * @modules java.base/sun.security.provider |
| */ |
| |
| import java.security.KeyPair; |
| import java.security.KeyPairGenerator; |
| import java.security.Signature; |
| import sun.security.provider.DSAPrivateKey; |
| |
| public class SolarisShortDSA { |
| static byte[] data = new byte[0]; |
| public static void main(String args[]) throws Exception { |
| for (int i=0; i<10000; i++) { |
| KeyPairGenerator kpg = KeyPairGenerator.getInstance("DSA"); |
| KeyPair kp = kpg.generateKeyPair(); |
| DSAPrivateKey dpk = (DSAPrivateKey)kp.getPrivate(); |
| int len = dpk.getX().bitLength(); |
| if (len <= 152) { |
| if (!use(kp)) { |
| String os = System.getProperty("os.name"); |
| // Solaris bug, update the following line once it's fixed |
| if (os.equals("SunOS")) { |
| throw new IllegalStateException( |
| "Don't panic. This is a Solaris bug"); |
| } else { |
| throw new RuntimeException("Real test failure"); |
| } |
| } |
| break; |
| } |
| } |
| } |
| |
| static boolean use(KeyPair kp) throws Exception { |
| Signature sig = Signature.getInstance("SHA1withDSA"); |
| sig.initSign(kp.getPrivate()); |
| sig.update(data); |
| byte[] signed = sig.sign(); |
| Signature sig2 = Signature.getInstance("SHA1withDSA"); |
| sig2.initVerify(kp.getPublic()); |
| sig2.update(data); |
| return sig2.verify(signed); |
| } |
| } |