1/* 2 * Copyright (C) 2009 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package tests.security; 18 19import java.security.InvalidKeyException; 20import java.security.KeyPair; 21import java.security.NoSuchAlgorithmException; 22import java.security.PrivateKey; 23import java.security.PublicKey; 24import javax.crypto.KeyAgreement; 25import junit.framework.Assert; 26 27public class KeyAgreementHelper extends TestHelper<KeyPair> { 28 29 private final String algorithmName; 30 31 public KeyAgreementHelper(String algorithmName) { 32 this.algorithmName = algorithmName; 33 } 34 35 @Override public void test(KeyPair keyPair) throws Exception { 36 test(keyPair.getPrivate(), keyPair.getPublic()); 37 } 38 39 void test(PrivateKey encryptKey, PublicKey decryptKey) throws Exception { 40 KeyAgreement keyAgreement = KeyAgreement.getInstance(algorithmName); 41 keyAgreement.init(encryptKey); 42 keyAgreement.doPhase(decryptKey, true); 43 Assert.assertNotNull("generated secret is null", keyAgreement.generateSecret()); 44 } 45} 46