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     */
016    package org.kuali.rice.ksb.messaging;
017    
018    import org.junit.Test;
019    import org.kuali.rice.core.api.config.property.Config;
020    import org.kuali.rice.core.api.config.property.ConfigContext;
021    import org.kuali.rice.ksb.test.KSBTestCase;
022    
023    import java.io.FileInputStream;
024    import java.security.KeyStore;
025    import java.security.PrivateKey;
026    import java.security.PublicKey;
027    import java.security.Signature;
028    
029    public 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    }