111 lines
3.9 KiB
Java
111 lines
3.9 KiB
Java
/*
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* Copyright (c) 2015, 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 8044199 8137231
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* @summary Check same KeyPair's private key and public key have same modulus.
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* also check public key's public exponent equals to given spec's public
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* exponent. Only key size 1024 is tested with RSAKeyGenParameterSpec.F0 (3).
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* @run main SpecTest 512
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* @run main SpecTest 768
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* @run main SpecTest 1024
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* @run main SpecTest 1024 167971
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* @run main SpecTest 2048
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* @run main/timeout=240 SpecTest 4096
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* @run main/timeout=240 SpecTest 5120
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*/
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import java.math.BigInteger;
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import java.security.KeyPair;
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import java.security.KeyPairGenerator;
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import java.security.interfaces.RSAKey;
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import java.security.interfaces.RSAPrivateKey;
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import java.security.interfaces.RSAPublicKey;
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import java.security.spec.RSAKeyGenParameterSpec;
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public class SpecTest {
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/**
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* ALGORITHM name, fixed as RSA.
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*/
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private static final String KEYALG = "RSA";
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/**
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* JDK default RSA Provider.
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*/
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private static final String PROVIDER =
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System.getProperty("test.provider.name", "SunRsaSign");
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/**
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*
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* @param kpair test key pair
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* @param pubExponent expected public exponent.
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* @return true if test passed. false if test failed.
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*/
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private static boolean specTest(KeyPair kpair, BigInteger pubExponent) {
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boolean passed = true;
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RSAPrivateKey priv = (RSAPrivateKey) kpair.getPrivate();
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RSAPublicKey pub = (RSAPublicKey) kpair.getPublic();
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// test the getModulus method
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if ((priv instanceof RSAKey) && (pub instanceof RSAKey)) {
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if (!priv.getModulus().equals(pub.getModulus())) {
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System.out.println("priv.getModulus() = " + priv.getModulus());
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System.out.println("pub.getModulus() = " + pub.getModulus());
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passed = false;
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}
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if (!pubExponent.equals(pub.getPublicExponent())) {
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System.out.println("pubExponent = " + pubExponent);
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System.out.println("pub.getPublicExponent() = "
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+ pub.getPublicExponent());
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passed = false;
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}
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}
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return passed;
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}
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public static void main(String[] args) throws Exception {
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int size = 0;
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if (args.length >= 1) {
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size = Integer.parseInt(args[0]);
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} else {
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throw new RuntimeException("Missing keysize to test with");
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}
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BigInteger publicExponent
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= (args.length >= 2) ? new BigInteger(args[1]) : RSAKeyGenParameterSpec.F4;
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System.out.println("Running test with key size: " + size
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+ " and public exponent: " + publicExponent);
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KeyPairGenerator kpg1 = KeyPairGenerator.getInstance(KEYALG, PROVIDER);
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kpg1.initialize(new RSAKeyGenParameterSpec(size, publicExponent));
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if (!specTest(kpg1.generateKeyPair(), publicExponent)) {
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throw new RuntimeException("Test failed.");
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}
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}
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}
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