0N/A/*
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0N/A * published by the Free Software Foundation.
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0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
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0N/A */
0N/A
0N/A/*
0N/A * @test
0N/A * @bug 4936763
0N/A * @summary Verify that DHKeyAgreement can generate secret key
0N/A * objects for AES algorithm
0N/A * @author Valerie Peng
0N/A */
0N/Aimport java.security.*;
0N/Aimport java.security.interfaces.*;
0N/Aimport javax.crypto.*;
0N/A
0N/Apublic class DHGenSecretKey {
0N/A
0N/A public static void main(String[] args) throws Exception {
0N/A DHGenSecretKey test = new DHGenSecretKey();
0N/A test.run();
0N/A }
0N/A
0N/A public void run() throws Exception {
0N/A // generate keyPairs using parameters
0N/A KeyPairGenerator keyGen =
0N/A KeyPairGenerator.getInstance("DH", "SunJCE");
0N/A
0N/A // Alice generates her key pairs
0N/A KeyPair keyA = keyGen.generateKeyPair();
0N/A
0N/A // Bob generates his key pairs
0N/A KeyPair keyB = keyGen.generateKeyPair();
0N/A
0N/A KeyAgreement bobAlice = KeyAgreement.getInstance("DH", "SunJCE");
0N/A bobAlice.init(keyB.getPrivate());
0N/A bobAlice.doPhase(keyA.getPublic(), true);
0N/A byte[] keyMaterial = bobAlice.generateSecret();
0N/A
0N/A bobAlice.doPhase(keyA.getPublic(), true);
0N/A SecretKey skey = bobAlice.generateSecret("AES");
0N/A byte[] keyVal = skey.getEncoded();
0N/A
0N/A System.out.println("Generated " + keyVal.length*8 +
0N/A "-bit AES key");
0N/A for (int i = 0; i < keyVal.length; i++) {
0N/A if (keyVal[i] != keyMaterial[i]) {
0N/A throw new Exception("Error: key value comparison failed!");
0N/A }
0N/A }
0N/A System.out.println("Test Passed");
0N/A }
0N/A}