| /* |
| * 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. |
| */ |
| |
| package tests.security.spec; |
| |
| import junit.framework.TestCase; |
| |
| import java.security.Key; |
| import java.security.KeyFactory; |
| import java.security.KeyPair; |
| import java.security.KeyPairGenerator; |
| import java.security.interfaces.DSAPrivateKey; |
| import java.security.interfaces.DSAPublicKey; |
| import java.security.spec.EncodedKeySpec; |
| import java.security.spec.PKCS8EncodedKeySpec; |
| import java.security.spec.X509EncodedKeySpec; |
| |
| public class EncodedKeySpec2Test extends TestCase { |
| |
| /** |
| * java.security.spec.EncodedKeySpec#getEncoded() |
| */ |
| public void test_getEncoded() throws Exception { |
| |
| KeyPairGenerator keyGen = KeyPairGenerator.getInstance("DSA"); |
| |
| keyGen.initialize(1024); |
| KeyPair keys = keyGen.generateKeyPair(); |
| |
| |
| KeyFactory fact = KeyFactory.getInstance("DSA"); |
| |
| |
| // check public key encoding |
| byte[] encoded = keys.getPublic().getEncoded(); |
| Key key = fact.generatePublic(new X509EncodedKeySpec(encoded)); |
| |
| assertTrue("public key encodings were different", |
| isEqual(key, keys.getPublic())); |
| |
| // check private key encoding |
| encoded = keys.getPrivate().getEncoded(); |
| key = fact.generatePrivate(new PKCS8EncodedKeySpec(encoded)); |
| |
| assertTrue("private key encodings were different", |
| isEqual(key, keys.getPrivate())); |
| } |
| |
| private boolean isEqual(Key key1, Key key2) { |
| if (key1 instanceof DSAPublicKey && key2 instanceof DSAPublicKey) { |
| DSAPublicKey dsa1 = ((DSAPublicKey) key1); |
| DSAPublicKey dsa2 = ((DSAPublicKey) key2); |
| return dsa1.getY().equals(dsa2.getY()) |
| && dsa1.getParams().getG().equals(dsa2.getParams().getG()) |
| && dsa1.getParams().getP().equals(dsa2.getParams().getP()) |
| && dsa1.getParams().getQ().equals(dsa2.getParams().getQ()); |
| |
| } else if (key1 instanceof DSAPrivateKey |
| && key2 instanceof DSAPrivateKey) { |
| DSAPrivateKey dsa1 = ((DSAPrivateKey) key1); |
| DSAPrivateKey dsa2 = ((DSAPrivateKey) key2); |
| return dsa1.getX().equals(dsa2.getX()) |
| && dsa1.getParams().getG().equals(dsa2.getParams().getG()) |
| && dsa1.getParams().getP().equals(dsa2.getParams().getP()) |
| && dsa1.getParams().getQ().equals(dsa2.getParams().getQ()); |
| } else { |
| return false; |
| } |
| } |
| } |