| /* |
| * Copyright (c) 2005, 2007, 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 4936763 |
| * @summary Verify that DHKeyAgreement can generate secret key |
| * objects for AES algorithm |
| * @author Valerie Peng |
| */ |
| import java.security.*; |
| import java.security.interfaces.*; |
| import javax.crypto.*; |
| |
| public class DHGenSecretKey { |
| |
| public static void main(String[] args) throws Exception { |
| DHGenSecretKey test = new DHGenSecretKey(); |
| test.run(); |
| } |
| |
| public void run() throws Exception { |
| // generate keyPairs using parameters |
| KeyPairGenerator keyGen = |
| KeyPairGenerator.getInstance("DH", "SunJCE"); |
| |
| // Alice generates her key pairs |
| KeyPair keyA = keyGen.generateKeyPair(); |
| |
| // Bob generates his key pairs |
| KeyPair keyB = keyGen.generateKeyPair(); |
| |
| KeyAgreement bobAlice = KeyAgreement.getInstance("DH", "SunJCE"); |
| bobAlice.init(keyB.getPrivate()); |
| bobAlice.doPhase(keyA.getPublic(), true); |
| byte[] keyMaterial = bobAlice.generateSecret(); |
| |
| bobAlice.doPhase(keyA.getPublic(), true); |
| SecretKey skey = bobAlice.generateSecret("AES"); |
| byte[] keyVal = skey.getEncoded(); |
| |
| System.out.println("Generated " + keyVal.length*8 + |
| "-bit AES key"); |
| for (int i = 0; i < keyVal.length; i++) { |
| if (keyVal[i] != keyMaterial[i]) { |
| throw new Exception("Error: key value comparison failed!"); |
| } |
| } |
| System.out.println("Test Passed"); |
| } |
| } |