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