test/jdk/java/security/KeyPairGenerator/SolarisShortDSA.java
author jboes
Fri, 08 Nov 2019 11:15:16 +0000
changeset 59029 3786a0962570
parent 47216 71c04702a3d5
permissions -rw-r--r--
8232853: AuthenticationFilter.Cache::remove may throw ConcurrentModificationException Summary: Change implementation to use iterator instead of plain LinkedList Reviewed-by: dfuchs, vtewari
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/*
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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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}