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/*
* Copyright (c) 2002, 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 4492053
* @summary Verify invalid zero length Integer value is rejected
* @modules java.base/sun.security.util
*/
import java.io.*;
import java.math.BigInteger;
import sun.security.util.DerInputStream;
public class BigInteger0 {
// invalid zero length value
private final static byte[] INT_LEN0 = { 2, 0 };
// correct zero integer
private final static byte[] INT0 = { 2, 1, 0 };
public static void main(String args[]) throws Exception {
try {
DerInputStream derin = new DerInputStream(INT_LEN0);
BigInteger bi = derin.getBigInteger();
throw new Exception("Succeeded parsing invalid zero length value");
} catch( IOException e ) {
System.out.println("OK, zero length value rejected.");
}
DerInputStream derin = new DerInputStream(INT0);
BigInteger bi = derin.getBigInteger();
if( bi.equals(BigInteger.ZERO) == false ) {
throw new Exception("Failed to parse Integer 0");
}
}
}
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