1/* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The ASF licenses this file to You under the Apache License, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18package org.apache.harmony.security.tests.java.security.spec; 19 20import java.security.Key; 21import java.security.KeyFactory; 22import java.security.KeyPair; 23import java.security.KeyPairGenerator; 24import java.security.interfaces.DSAPrivateKey; 25import java.security.interfaces.DSAPublicKey; 26import java.security.spec.PKCS8EncodedKeySpec; 27import java.security.spec.X509EncodedKeySpec; 28 29import junit.framework.TestCase; 30 31public class EncodedKeySpec2Test extends TestCase { 32 33 /** 34 * @tests java.security.spec.EncodedKeySpec#getEncoded() 35 */ 36 public void test_getEncoded() throws Exception { 37 38 KeyPairGenerator keyGen = KeyPairGenerator.getInstance("DSA"); 39 40 keyGen.initialize(1024); 41 KeyPair keys = keyGen.generateKeyPair(); 42 43 44 KeyFactory fact = KeyFactory.getInstance("DSA"); 45 46 47 // check public key encoding 48 byte[] encoded = keys.getPublic().getEncoded(); 49 Key key = fact.generatePublic(new X509EncodedKeySpec(encoded)); 50 51 assertTrue("public key encodings were different", 52 isEqual(key, keys.getPublic())); 53 54 // check private key encoding 55 encoded = keys.getPrivate().getEncoded(); 56 key = fact.generatePrivate(new PKCS8EncodedKeySpec(encoded)); 57 58 assertTrue("private key encodings were different", 59 isEqual(key, keys.getPrivate())); 60 } 61 62 private boolean isEqual(Key key1, Key key2) { 63 if (key1 instanceof DSAPublicKey && key2 instanceof DSAPublicKey) { 64 DSAPublicKey dsa1 = ((DSAPublicKey) key1); 65 DSAPublicKey dsa2 = ((DSAPublicKey) key2); 66 return dsa1.getY().equals(dsa2.getY()) 67 && dsa1.getParams().getG().equals(dsa2.getParams().getG()) 68 && dsa1.getParams().getP().equals(dsa2.getParams().getP()) 69 && dsa1.getParams().getQ().equals(dsa2.getParams().getQ()); 70 71 } else if (key1 instanceof DSAPrivateKey 72 && key2 instanceof DSAPrivateKey) { 73 DSAPrivateKey dsa1 = ((DSAPrivateKey) key1); 74 DSAPrivateKey dsa2 = ((DSAPrivateKey) key2); 75 return dsa1.getX().equals(dsa2.getX()) 76 && dsa1.getParams().getG().equals(dsa2.getParams().getG()) 77 && dsa1.getParams().getP().equals(dsa2.getParams().getP()) 78 && dsa1.getParams().getQ().equals(dsa2.getParams().getQ()); 79 } else { 80 return false; 81 } 82 } 83}