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 17 package tests.security; 18 19 import java.security.InvalidKeyException; 20 import java.security.KeyPair; 21 import java.security.NoSuchAlgorithmException; 22 import java.security.PrivateKey; 23 import java.security.PublicKey; 24 import javax.crypto.KeyAgreement; 25 import junit.framework.Assert; 26 27 public 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) { 36 test(keyPair.getPrivate(), keyPair.getPublic()); 37 } 38 39 void test(PrivateKey encryptKey, PublicKey decryptKey) { 40 41 KeyAgreement keyAgreement = null; 42 try { 43 keyAgreement = KeyAgreement.getInstance(algorithmName); 44 } catch (NoSuchAlgorithmException e) { 45 Assert.fail(e.getMessage()); 46 } 47 48 try { 49 keyAgreement.init(encryptKey); 50 } catch (InvalidKeyException e) { 51 Assert.fail(e.getMessage()); 52 } 53 try { 54 keyAgreement.doPhase(decryptKey, true); 55 } catch (InvalidKeyException e) { 56 Assert.fail(e.getMessage()); 57 } catch (IllegalStateException e) { 58 Assert.fail(e.getMessage()); 59 } 60 Assert.assertNotNull("generated secret is null", keyAgreement 61 .generateSecret()); 62 63 } 64 } 65
