57 lines
2.0 KiB
Java
57 lines
2.0 KiB
Java
/*
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* Copyright (c) 2012, 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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* Portions Copyright (c) 2012 IBM Corporation
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*/
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/* @test
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* @bug 7172149
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* @summary AIOOBE from Signature.verify after integer overflow
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* @author Jonathan Lu
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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.PublicKey;
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import java.security.Signature;
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public class VerifyRangeCheckOverflow {
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public static void main(String[] args) throws Exception {
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KeyPairGenerator keyPairGenerator = KeyPairGenerator.getInstance("DSA");
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keyPairGenerator.initialize(1024);
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KeyPair keys = keyPairGenerator.generateKeyPair();
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PublicKey publicKey = keys.getPublic();
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byte[] sigBytes = new byte[100];
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Signature signature = Signature.getInstance("SHA1withDSA");
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signature.initVerify(publicKey);
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try {
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signature.verify(sigBytes, Integer.MAX_VALUE, 1);
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} catch (IllegalArgumentException ex) {
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// Expected
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}
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}
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}
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