| /* |
| * Copyright (C) 2007 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package tests.security.interfaces; |
| |
| import junit.framework.TestCase; |
| |
| import java.security.KeyPair; |
| import java.security.KeyPairGenerator; |
| import java.security.SecureRandom; |
| import java.security.interfaces.DSAPrivateKey; |
| import java.security.interfaces.DSAPublicKey; |
| import java.security.spec.DSAParameterSpec; |
| |
| public class DSAPublicKeyTest extends TestCase { |
| |
| /** |
| * java.security.interfaces.DSAPublicKey |
| * #getY() |
| * test covers following use cases |
| * Case 1: check with predefined p, q, g, x |
| * Case 2: check with random p, q, g, x. It takes some time (up to |
| * minute) |
| */ |
| public void test_getY() throws Exception { |
| KeyPairGenerator keyGen = null; |
| KeyPair keys = null; |
| DSAPrivateKey priv = null; |
| DSAPublicKey publ = null; |
| |
| // Case 1: check with predefined p, q, g, x |
| keyGen = KeyPairGenerator.getInstance("DSA"); |
| keyGen.initialize(new DSAParameterSpec(Util.P, Util.Q, Util.G), |
| new SecureRandom(new MySecureRandomSpi(), null) { |
| }); |
| keys = keyGen.generateKeyPair(); |
| priv = (DSAPrivateKey) keys.getPrivate(); |
| publ = (DSAPublicKey) keys.getPublic(); |
| assertNotNull("Invalid Y value", publ.getY()); |
| |
| // Case 2: check with random p, q, g, x. It takes some time (up to |
| // minute) |
| keyGen = KeyPairGenerator.getInstance("DSA"); |
| keys = keyGen.generateKeyPair(); |
| priv = (DSAPrivateKey) keys.getPrivate(); |
| publ = (DSAPublicKey) keys.getPublic(); |
| assertNotNull("Invalid Y value", publ.getY()); |
| } |
| } |