| /* |
| * Copyright (c) 2018, 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 8184359 |
| * @summary KeyPairGenerator Test with multiple threads. |
| * Arguments order <KeyExchangeAlgorithm> <Provider> <KeyGenAlgorithm> <Curve*> |
| * @run main MultiThreadTest DiffieHellman SunJCE DiffieHellman |
| * @run main MultiThreadTest ECDH SunEC EC |
| * @run main MultiThreadTest XDH SunEC XDH X25519 |
| * @run main MultiThreadTest XDH SunEC XDH X448 |
| */ |
| import java.security.KeyPair; |
| import java.security.KeyPairGenerator; |
| import java.util.Arrays; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.ExecutorService; |
| import java.util.concurrent.Executors; |
| import java.util.concurrent.ThreadFactory; |
| import javax.crypto.KeyAgreement; |
| |
| /** |
| * This test targets KeyPairGenerator API related issue in a multi threaded |
| * context. |
| */ |
| public class MultiThreadTest { |
| |
| // Tested a shared KeyPairGenerator with 100 number of threads. |
| private static final int THREAD_COUNT = 100; |
| |
| public static void main(String[] args) throws Exception { |
| |
| String kaAlgo = args[0]; |
| String provider = args[1]; |
| String kpgAlgo = args[2]; |
| KeyPairGenerator kpg = genKeyGenerator(provider, kpgAlgo, |
| (args.length > 3) ? args[3] : kpgAlgo); |
| new MultiThreadTest().runTest(provider, kaAlgo, kpg); |
| } |
| |
| /** |
| * Initialize KeyPairGenerator based on different algorithm names. |
| */ |
| private static KeyPairGenerator genKeyGenerator(String provider, |
| String kpgAlgo, String kpgInit) throws Exception { |
| |
| KeyPairGenerator kpg = KeyPairGenerator.getInstance(kpgAlgo, provider); |
| switch (kpgInit) { |
| case "DiffieHellman": |
| kpg.initialize(512); |
| break; |
| case "EC": |
| kpg.initialize(256); |
| break; |
| case "X25519": |
| kpg.initialize(255); |
| break; |
| case "X448": |
| kpg.initialize(448); |
| break; |
| default: |
| throw new RuntimeException("Invalid Algo name " + kpgInit); |
| } |
| return kpg; |
| } |
| |
| private void runTest(String provider, String kaAlgo, KeyPairGenerator kpg) |
| throws Exception { |
| |
| ExecutorService executor = null; |
| try { |
| executor = Executors.newCachedThreadPool(new ThreadFactory() { |
| @Override |
| public Thread newThread(Runnable r) { |
| Thread t = Executors.defaultThreadFactory().newThread(r); |
| t.setDaemon(true); |
| return t; |
| } |
| }); |
| CountDownLatch latch = new CountDownLatch(THREAD_COUNT); |
| |
| for (int i = 0; i < THREAD_COUNT; i++) { |
| executor.execute(new Runnable() { |
| @Override |
| public void run() { |
| try { |
| testKeyAgreement(provider, kaAlgo, kpg); |
| } catch (Exception e) { |
| throw new RuntimeException(e); |
| } finally { |
| // Indicate a task completed. |
| latch.countDown(); |
| } |
| } |
| }); |
| } |
| // Wait till all tasks get complete. |
| latch.await(); |
| } finally { |
| if (executor != null) { |
| executor.shutdown(); |
| } |
| } |
| } |
| |
| /** |
| * Perform KeyAgreement operation with a shared KeyPairGenerator instance. |
| */ |
| private static void testKeyAgreement(String provider, String kaAlgo, |
| KeyPairGenerator kpg) throws Exception { |
| |
| KeyPair kp1 = kpg.generateKeyPair(); |
| KeyPair kp2 = kpg.generateKeyPair(); |
| |
| KeyAgreement ka1 = KeyAgreement.getInstance(kaAlgo, provider); |
| ka1.init(kp1.getPrivate()); |
| ka1.doPhase(kp2.getPublic(), true); |
| byte[] secret1 = ka1.generateSecret(); |
| KeyAgreement ka2 = KeyAgreement.getInstance(kaAlgo, provider); |
| ka2.init(kp2.getPrivate()); |
| ka2.doPhase(kp1.getPublic(), true); |
| byte[] secret2 = ka2.generateSecret(); |
| |
| // With related keypairs, generated KeyAgreement secret should be same. |
| if (!Arrays.equals(secret1, secret2)) { |
| throw new Exception("KeyAgreement secret mismatch."); |
| } |
| } |
| } |