Author: anil.saldhana(a)jboss.com Date: 2009-05-22 18:32:21 -0400 (Fri, 22 May 2009) New Revision: 507 Added: identity-federation/trunk/jboss-identity-fed-core/src/main/java/org/jboss/identity/federation/core/util/ identity-federation/trunk/jboss-identity-fed-core/src/main/java/org/jboss/identity/federation/core/util/XMLEncryptionUtil.java Log: new version of xmlenc util Added: identity-federation/trunk/jboss-identity-fed-core/src/main/java/org/jboss/identity/federation/core/util/XMLEncryptionUtil.java =================================================================== --- identity-federation/trunk/jboss-identity-fed-core/src/main/java/org/jboss/identity/federation/core/util/XMLEncryptionUtil.java (rev 0) +++ identity-federation/trunk/jboss-identity-fed-core/src/main/java/org/jboss/identity/federation/core/util/XMLEncryptionUtil.java 2009-05-22 22:32:21 UTC (rev 507) @@ -0,0 +1,88 @@ +/* + * JBoss, Home of Professional Open Source. + * Copyright 2008, Red Hat Middleware LLC, and individual contributors + * as indicated by the @author tags. See the copyright.txt file in the + * distribution for a full listing of individual contributors. + * + * This is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2.1 of + * the License, or (at your option) any later version. + * + * This software is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this software; if not, write to the Free + * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA, or see the FSF site: http://www.fsf.org. + */ +package org.jboss.identity.federation.core.util; + +import java.util.HashMap; + +import org.apache.xml.security.encryption.XMLCipher; + +/** + * Utility for XML Encryption + * @author Anil.Saldhana(a)redhat.com + * @since May 4, 2009 + */ +public class XMLEncryptionUtil +{ + private static HashMap <String, EncryptionAlgorithm> algorithms + = new HashMap<String, EncryptionAlgorithm>(4); + + private static class EncryptionAlgorithm + { + EncryptionAlgorithm(String jceName, String xmlSecName, int size) + { + this.jceName = jceName; + this.xmlSecName = xmlSecName; + this.size = size; + } + + public String jceName; + public String xmlSecName; + public int size; + } + + static + { + algorithms.put("aes-128", new EncryptionAlgorithm("AES", XMLCipher.AES_128, 128)); + algorithms.put("aes-192", new EncryptionAlgorithm("AES", XMLCipher.AES_192, 192)); + algorithms.put("aes-256", new EncryptionAlgorithm("AES", XMLCipher.AES_256, 256)); + algorithms.put("aes", new EncryptionAlgorithm("AES", XMLCipher.AES_256, 256)); + + algorithms.put("tripledes", new EncryptionAlgorithm("TripleDes", + XMLCipher.TRIPLEDES, 168)); + } + + /** + * Given the JCE algorithm, get the XML Encryption URL + * @param certAlgo + * @return + */ + public static String getEncryptionURL(String certAlgo) + { + EncryptionAlgorithm ea = algorithms.get(certAlgo); + if(ea == null) + throw new RuntimeException("Unknown jce algorithm:" + certAlgo); + return ea.xmlSecName; + } + + /** + * Given the JCE algorithm, get the XML Encryption KeySize + * @param certAlgo + * @return + */ + public static int getEncryptionKeySize(String certAlgo) + { + EncryptionAlgorithm ea = algorithms.get(certAlgo); + if(ea == null) + throw new RuntimeException("Unknown jce algorithm:" + certAlgo); + return ea.size; + } +} \ No newline at end of file