| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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. |
| */ |
| |
| /** |
| * @author Vera Y. Petrashkova |
| */ |
| |
| package org.apache.harmony.security.tests.java.security; |
| |
| import java.security.AlgorithmParameterGenerator; |
| import java.security.InvalidParameterException; |
| import java.security.Provider; |
| import java.security.SecureRandom; |
| |
| import org.apache.harmony.security.tests.support.SpiEngUtils; |
| |
| import junit.framework.TestCase; |
| |
| /** |
| * Tests for <code>AlgorithmParameterGenerator</code> class constructors and |
| * methods. |
| */ |
| public class AlgorithmParameterGenerator_ImplTest extends TestCase { |
| |
| private static String validAlgName = "DSA"; |
| |
| public static final String srvAlgorithmParameterGenerator = "AlgorithmParameterGenerator"; |
| |
| |
| private static String validProviderName = null; |
| |
| private static Provider validProvider = null; |
| |
| private static boolean DSASupported = false; |
| |
| static { |
| validProvider = SpiEngUtils.isSupport( |
| validAlgName, |
| srvAlgorithmParameterGenerator); |
| DSASupported = (validProvider != null); |
| validProviderName = (DSASupported ? validProvider.getName() : null); |
| } |
| |
| protected AlgorithmParameterGenerator[] createAPGen() throws Exception { |
| if (!DSASupported) { |
| fail(validAlgName + " algorithm is not supported"); |
| return null; |
| } |
| AlgorithmParameterGenerator[] apg = new AlgorithmParameterGenerator[3]; |
| apg[0] = AlgorithmParameterGenerator.getInstance(validAlgName); |
| apg[1] = AlgorithmParameterGenerator.getInstance(validAlgName, |
| validProvider); |
| apg[2] = AlgorithmParameterGenerator.getInstance(validAlgName, |
| validProviderName); |
| return apg; |
| } |
| |
| /** |
| * Test for <code>init(int size)</code> and |
| * <code>init(int size, SecureRandom random<code> methods |
| * Assertion: throws InvalidParameterException when size is incorrect |
| */ |
| public void testAlgorithmParameterGenerator11() throws Exception { |
| if (!DSASupported) { |
| fail(validAlgName + " algorithm is not supported"); |
| return; |
| } |
| // Invalid key strengths (strength must be from 512 - 1024 and a multiple of 64) |
| int [] keys = {-10000, -512, -1, 0, 10000}; |
| SecureRandom random = new SecureRandom(); |
| AlgorithmParameterGenerator[] apgs = createAPGen(); |
| assertNotNull("AlgorithmParameterGenerator objects were not created", |
| apgs); |
| |
| for (int i = 0; i < apgs.length; i++) { |
| |
| // Test invalid strengths |
| for (int j = 0; j < keys.length; j++) { |
| try { |
| apgs[i].init(keys[j]); |
| fail("Expected an invalid parameter exception for strength " |
| + keys[j]); |
| } catch (InvalidParameterException e) { |
| // expected |
| } |
| try { |
| apgs[i].init(keys[j], random); |
| fail("Expected an invalid parameter exception for strength " |
| + keys[j]); |
| } catch (InvalidParameterException e) { |
| // expected |
| } |
| try { |
| apgs[i].init(keys[j], null); |
| fail("Expected an invalid parameter exception for strength " |
| + keys[j]); |
| } catch (InvalidParameterException e) { |
| // expected |
| } |
| } |
| |
| // Test valid strengths |
| apgs[i].init(512); |
| apgs[i].init(512, random); |
| apgs[i].init(512 + 64); |
| apgs[i].init(512 + 64 + 64, random); |
| apgs[i].init(1024); |
| apgs[i].init(1024, random); |
| } |
| } |
| |
| } |