| /* |
| * Copyright (c) 2015, 2016, 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 8044199 8137231 |
| * @summary Check same KeyPair's private key and public key have same modulus. |
| * also check public key's public exponent equals to given spec's public |
| * exponent. Only key size 1024 is tested with RSAKeyGenParameterSpec.F0 (3). |
| * @run main SpecTest 512 |
| * @run main SpecTest 768 |
| * @run main SpecTest 1024 |
| * @run main SpecTest 1024 3 |
| * @run main SpecTest 2048 |
| * @run main/timeout=240 SpecTest 4096 |
| * @run main/timeout=240 SpecTest 5120 |
| */ |
| import java.math.BigInteger; |
| import java.security.KeyPair; |
| import java.security.KeyPairGenerator; |
| import java.security.interfaces.RSAKey; |
| import java.security.interfaces.RSAPrivateKey; |
| import java.security.interfaces.RSAPublicKey; |
| import java.security.spec.RSAKeyGenParameterSpec; |
| |
| public class SpecTest { |
| |
| /** |
| * ALGORITHM name, fixed as RSA. |
| */ |
| private static final String KEYALG = "RSA"; |
| |
| /** |
| * JDK default RSA Provider. |
| */ |
| private static final String PROVIDER = "SunRsaSign"; |
| |
| /** |
| * |
| * @param kpair test key pair |
| * @param pubExponent expected public exponent. |
| * @return true if test passed. false if test failed. |
| */ |
| private static boolean specTest(KeyPair kpair, BigInteger pubExponent) { |
| boolean passed = true; |
| RSAPrivateKey priv = (RSAPrivateKey) kpair.getPrivate(); |
| RSAPublicKey pub = (RSAPublicKey) kpair.getPublic(); |
| |
| // test the getModulus method |
| if ((priv instanceof RSAKey) && (pub instanceof RSAKey)) { |
| if (!priv.getModulus().equals(pub.getModulus())) { |
| System.out.println("priv.getModulus() = " + priv.getModulus()); |
| System.out.println("pub.getModulus() = " + pub.getModulus()); |
| passed = false; |
| } |
| |
| if (!pubExponent.equals(pub.getPublicExponent())) { |
| System.out.println("pubExponent = " + pubExponent); |
| System.out.println("pub.getPublicExponent() = " |
| + pub.getPublicExponent()); |
| passed = false; |
| } |
| } |
| return passed; |
| } |
| |
| public static void main(String[] args) throws Exception { |
| |
| int size = 0; |
| |
| if (args.length >= 1) { |
| size = Integer.parseInt(args[0]); |
| } else { |
| throw new RuntimeException("Missing keysize to test with"); |
| } |
| |
| BigInteger publicExponent |
| = (args.length >= 2) ? new BigInteger(args[1]) : RSAKeyGenParameterSpec.F4; |
| |
| System.out.println("Running test with key size: " + size |
| + " and public exponent: " + publicExponent); |
| |
| KeyPairGenerator kpg1 = KeyPairGenerator.getInstance(KEYALG, PROVIDER); |
| kpg1.initialize(new RSAKeyGenParameterSpec(size, publicExponent)); |
| if (!specTest(kpg1.generateKeyPair(), publicExponent)) { |
| throw new RuntimeException("Test failed."); |
| } |
| } |
| } |