72 lines
2.5 KiB
Java
72 lines
2.5 KiB
Java
/*
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* Copyright 2005-2007 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*/
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/*
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* @test
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* @bug 4936763
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* @summary Verify that DHKeyAgreement can generate secret key
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* objects for AES algorithm
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* @author Valerie Peng
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*/
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import java.security.*;
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import java.security.interfaces.*;
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import javax.crypto.*;
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public class DHGenSecretKey {
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public static void main(String[] args) throws Exception {
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DHGenSecretKey test = new DHGenSecretKey();
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test.run();
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}
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public void run() throws Exception {
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// generate keyPairs using parameters
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KeyPairGenerator keyGen =
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KeyPairGenerator.getInstance("DH", "SunJCE");
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// Alice generates her key pairs
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KeyPair keyA = keyGen.generateKeyPair();
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// Bob generates his key pairs
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KeyPair keyB = keyGen.generateKeyPair();
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KeyAgreement bobAlice = KeyAgreement.getInstance("DH", "SunJCE");
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bobAlice.init(keyB.getPrivate());
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bobAlice.doPhase(keyA.getPublic(), true);
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byte[] keyMaterial = bobAlice.generateSecret();
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bobAlice.doPhase(keyA.getPublic(), true);
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SecretKey skey = bobAlice.generateSecret("AES");
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byte[] keyVal = skey.getEncoded();
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System.out.println("Generated " + keyVal.length*8 +
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"-bit AES key");
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for (int i = 0; i < keyVal.length; i++) {
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if (keyVal[i] != keyMaterial[i]) {
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throw new Exception("Error: key value comparison failed!");
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}
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}
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System.out.println("Test Passed");
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}
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}
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