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/*
* Copyright (c) 2001, 2024, 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 4503229 8220016
* @library /test/lib
* @summary default RSA KeyFactory can return broken RSAPrivateCrtKey objects
* This test was taken directly from the bug report, which
* was fixed in the crippled JSAFE provider, and needed
* to be brought forward into SunRsaSign (was JSSE).
* @author Brad Wetmore
*/
import java.security.*;
import java.security.interfaces.*;
import java.security.spec.*;
import java.math.BigInteger;
import jdk.test.lib.security.SecurityUtils;
public class BrokenRSAPrivateCrtKey {
public static void main(String[] args) throws Exception {
String kpgAlgorithm = "RSA";
KeyPairGenerator generator =
KeyPairGenerator.getInstance(kpgAlgorithm,
System.getProperty("test.provider.name", "SunRsaSign"));
generator.initialize(SecurityUtils.getTestKeySize(kpgAlgorithm));
KeyPair pair = generator.generateKeyPair();
RSAPrivateCrtKey privatekey = (RSAPrivateCrtKey) pair.getPrivate();
RSAPrivateCrtKeySpec spec =
new RSAPrivateCrtKeySpec(privatekey.getModulus(),
privatekey.getPublicExponent(),
privatekey.getPrivateExponent(),
privatekey.getPrimeP(), privatekey.getPrimeQ(),
privatekey.getPrimeExponentP(),
privatekey.getPrimeExponentQ(),
privatekey.getCrtCoefficient());
KeyFactory factory = KeyFactory.getInstance("RSA",
System.getProperty("test.provider.name", "SunRsaSign"));
PrivateKey privatekey2 = factory.generatePrivate(spec);
BigInteger pe =
((RSAPrivateCrtKey) privatekey2).getPublicExponent();
System.out.println("public exponent: " + pe);
}
}
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