J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2005-2007 Sun Microsystems, Inc. All Rights Reserved. |
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 | * |
| 5 | * This code is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of the GNU General Public License version 2 only, as |
| 7 | * published by the Free Software Foundation. |
| 8 | * |
| 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| 13 | * accompanied this code). |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License version |
| 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| 18 | * |
| 19 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 21 | * have any questions. |
| 22 | */ |
| 23 | |
| 24 | /* |
| 25 | * @test |
| 26 | * @bug 4936763 |
| 27 | * @summary Verify that DHKeyAgreement can generate secret key |
| 28 | * objects for AES algorithm |
| 29 | * @author Valerie Peng |
| 30 | */ |
| 31 | import java.security.*; |
| 32 | import java.security.interfaces.*; |
| 33 | import javax.crypto.*; |
| 34 | |
| 35 | public class DHGenSecretKey { |
| 36 | |
| 37 | public static void main(String[] args) throws Exception { |
| 38 | DHGenSecretKey test = new DHGenSecretKey(); |
| 39 | test.run(); |
| 40 | } |
| 41 | |
| 42 | public void run() throws Exception { |
| 43 | // generate keyPairs using parameters |
| 44 | KeyPairGenerator keyGen = |
| 45 | KeyPairGenerator.getInstance("DH", "SunJCE"); |
| 46 | |
| 47 | // Alice generates her key pairs |
| 48 | KeyPair keyA = keyGen.generateKeyPair(); |
| 49 | |
| 50 | // Bob generates his key pairs |
| 51 | KeyPair keyB = keyGen.generateKeyPair(); |
| 52 | |
| 53 | KeyAgreement bobAlice = KeyAgreement.getInstance("DH", "SunJCE"); |
| 54 | bobAlice.init(keyB.getPrivate()); |
| 55 | bobAlice.doPhase(keyA.getPublic(), true); |
| 56 | byte[] keyMaterial = bobAlice.generateSecret(); |
| 57 | |
| 58 | bobAlice.doPhase(keyA.getPublic(), true); |
| 59 | SecretKey skey = bobAlice.generateSecret("AES"); |
| 60 | byte[] keyVal = skey.getEncoded(); |
| 61 | |
| 62 | System.out.println("Generated " + keyVal.length*8 + |
| 63 | "-bit AES key"); |
| 64 | for (int i = 0; i < keyVal.length; i++) { |
| 65 | if (keyVal[i] != keyMaterial[i]) { |
| 66 | throw new Exception("Error: key value comparison failed!"); |
| 67 | } |
| 68 | } |
| 69 | System.out.println("Test Passed"); |
| 70 | } |
| 71 | } |