Home | History | Annotate | Download | only in security
      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.AlgorithmParameters;
     20 import java.security.InvalidKeyException;
     21 import java.security.KeyPair;
     22 import java.security.KeyPairGenerator;
     23 import java.security.NoSuchAlgorithmException;
     24 import javax.crypto.KeyAgreement;
     25 import junit.framework.Assert;
     26 
     27 public 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