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.AlgorithmParameters; 20import java.security.InvalidKeyException; 21import java.security.KeyPair; 22import java.security.KeyPairGenerator; 23import java.security.NoSuchAlgorithmException; 24import javax.crypto.KeyAgreement; 25import junit.framework.Assert; 26 27public class AlgorithmParameterKeyAgreementHelper extends TestHelper<AlgorithmParameters> { 28 29 private final String algorithmName; 30 31 public AlgorithmParameterKeyAgreementHelper(String algorithmName) { 32 this.algorithmName = algorithmName; 33 } 34 35 @Override 36 public void test(AlgorithmParameters parameters) { 37 38 KeyPairGenerator generator = null; 39 try { 40 generator = KeyPairGenerator.getInstance(algorithmName); 41 } catch (NoSuchAlgorithmException e) { 42 Assert.fail(e.getMessage()); 43 } 44 45 generator.initialize(1024); 46 47 KeyPair keyPair = generator.generateKeyPair(); 48 49 KeyAgreement keyAgreement = null; 50 try { 51 keyAgreement = KeyAgreement.getInstance(algorithmName); 52 } catch (NoSuchAlgorithmException e) { 53 Assert.fail(e.getMessage()); 54 } 55 56 try { 57 keyAgreement.init(keyPair.getPrivate()); 58 } catch (InvalidKeyException e) { 59 Assert.fail(e.getMessage()); 60 } 61 try { 62 keyAgreement.doPhase(keyPair.getPublic(), true); 63 } catch (InvalidKeyException e) { 64 Assert.fail(e.getMessage()); 65 } catch (IllegalStateException e) { 66 Assert.fail(e.getMessage()); 67 } 68 Assert.assertNotNull("generated secret is null", keyAgreement 69 .generateSecret()); 70 } 71} 72