001/**
002 * Copyright 2005-2011 The Kuali Foundation
003 *
004 * Licensed under the Educational Community License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.opensource.org/licenses/ecl2.php
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016package org.kuali.rice.ksb.messaging;
017
018import org.junit.Test;
019import org.kuali.rice.core.api.config.property.Config;
020import org.kuali.rice.core.api.config.property.ConfigContext;
021import org.kuali.rice.ksb.test.KSBTestCase;
022
023import java.io.FileInputStream;
024import java.security.KeyStore;
025import java.security.PrivateKey;
026import java.security.PublicKey;
027import java.security.Signature;
028
029public class DigitalSignatureTest extends KSBTestCase {
030
031
032        /**
033         * This method tests the existing rice keystore file
034         * 
035         * @throws Exception
036         */
037        @Test public void testSigning() throws Exception {
038                
039                Config config = ConfigContext.getCurrentContextConfig();
040//              config.parseConfig(); 
041//              
042                Signature rsa = Signature.getInstance("SHA1withRSA");
043                String keystoreLocation = config.getKeystoreFile();
044                String keystoreAlias = config.getKeystoreAlias();
045                String keystorePassword = config.getKeystorePassword();
046        KeyStore keystore = KeyStore.getInstance("JKS");
047        keystore.load(new FileInputStream(keystoreLocation), keystorePassword.toCharArray());
048                PrivateKey privateKey = (PrivateKey)keystore.getKey(keystoreAlias, keystorePassword.toCharArray());
049        
050                rsa.initSign(privateKey);
051                
052                String imLovinIt = "Ba-da-ba-ba-baa, I'm lovin' it!";
053                rsa.update(imLovinIt.getBytes());
054                
055                byte[] sigToVerify = rsa.sign();
056                
057                
058                PublicKey publicKey = keystore.getCertificate(keystoreAlias).getPublicKey();
059            Signature verifySig = Signature.getInstance("SHA1withRSA");
060            verifySig.initVerify(publicKey);
061            verifySig.update(imLovinIt.getBytes());
062            boolean verifies = verifySig.verify(sigToVerify);
063            System.out.println("signature verifies: " + verifies);
064                
065        }
066        
067}