1 /*
2  * Copyright (C) 2007 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 package tests.security.interfaces;
17 
18 import junit.framework.TestCase;
19 
20 import java.security.KeyPair;
21 import java.security.KeyPairGenerator;
22 import java.security.SecureRandom;
23 import java.security.interfaces.DSAPrivateKey;
24 import java.security.interfaces.DSAPublicKey;
25 import java.security.spec.DSAParameterSpec;
26 
27 public class DSAPrivateKeyTest extends TestCase {
28 
29     /**
30      * java.security.interfaces.DSAPrivateKey
31      * #getX()
32      */
test_getX()33     public void test_getX() throws Exception {
34         KeyPairGenerator keyGen = KeyPairGenerator.getInstance("DSA");
35         keyGen.initialize(new DSAParameterSpec(Util.P, Util.Q, Util.G), new SecureRandom());
36         KeyPair keyPair = keyGen.generateKeyPair();
37         DSAPrivateKey key = (DSAPrivateKey) keyPair.getPrivate();
38         assertNotNull("Invalid X value", key.getX());
39     }
40 }
41