/* * The Apache Software License, Version 1.1 * * * Copyright (c) 1999 The Apache Software Foundation. All rights * reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * 3. The end-user documentation included with the redistribution, * if any, must include the following acknowledgment: * "This product includes software developed by the * Apache Software Foundation (http://www.apache.org/)." * Alternately, this acknowledgment may appear in the software itself, * if and wherever such third-party acknowledgments normally appear. * * 4. The names "" and "Apache Software Foundation" must * not be used to endorse or promote products derived from this * software without prior written permission. For written * permission, please contact apache@apache.org. * * 5. Products derived from this software may not be called "Apache", * nor may "Apache" appear in their name, without prior written * permission of the Apache Software Foundation. * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * ==================================================================== * * This software consists of voluntary contributions made by many * individuals on behalf of the Apache Software Foundation and was * originally based on software copyright (c) 2001, Institute for * Data Communications Systems, . * The development of this software was partly funded by the European * Commission in the project in the ISIS Programme. * For more information on the Apache Software Foundation, please see * . */ package org.apache.xml.security.keys.content; import java.security.Key; import java.security.PublicKey; import javax.xml.transform.TransformerException; import org.apache.xml.security.exceptions.XMLSecurityException; import org.apache.xml.security.keys.content.keyvalues.DSAKeyValue; import org.apache.xml.security.keys.content.keyvalues.RSAKeyValue; import org.apache.xml.security.utils.Constants; import org.apache.xml.security.utils.JavaUtils; import org.apache.xml.security.utils.SignatureElementProxy; import org.apache.xml.security.utils.XMLUtils; import org.apache.xpath.XPathAPI; import org.w3c.dom.Document; import org.w3c.dom.Element; import org.w3c.dom.NodeList; /** * The KeyValue element contains a single public key that may be useful in * validating the signature. Structured formats for defining DSA (REQUIRED) * and RSA (RECOMMENDED) public keys are defined in Signature Algorithms * (section 6.4). The KeyValue element may include externally defined public * keys values represented as PCDATA or element types from an external namespace. * * @author $Author$ */ public class KeyValue extends SignatureElementProxy implements KeyInfoContent { /** {@link org.apache.commons.logging} logging facility */ static org.apache.commons.logging.Log log = org.apache.commons.logging.LogFactory.getLog(KeyValue.class.getName()); /** * Constructor KeyValue * * @param doc * @param dsaKeyValue */ public KeyValue(Document doc, DSAKeyValue dsaKeyValue) { super(doc); XMLUtils.addReturnToElement(this._constructionElement); this._constructionElement.appendChild(dsaKeyValue.getElement()); XMLUtils.addReturnToElement(this._constructionElement); } /** * Constructor KeyValue * * @param doc * @param rsaKeyValue */ public KeyValue(Document doc, RSAKeyValue rsaKeyValue) { super(doc); XMLUtils.addReturnToElement(this._constructionElement); this._constructionElement.appendChild(rsaKeyValue.getElement()); XMLUtils.addReturnToElement(this._constructionElement); } /** * Constructor KeyValue * * @param doc * @param unknownKeyValue */ public KeyValue(Document doc, Element unknownKeyValue) { super(doc); XMLUtils.addReturnToElement(this._constructionElement); this._constructionElement.appendChild(unknownKeyValue); XMLUtils.addReturnToElement(this._constructionElement); } /** * Constructor KeyValue * * @param doc * @param pk */ public KeyValue(Document doc, PublicKey pk) { super(doc); XMLUtils.addReturnToElement(this._constructionElement); if (JavaUtils.implementsInterface( (Object) pk, "java.security.interfaces.DSAPublicKey")) { DSAKeyValue dsa = new DSAKeyValue(this._doc, (Key) pk); this._constructionElement.appendChild(dsa.getElement()); XMLUtils.addReturnToElement(this._constructionElement); } else if (JavaUtils.implementsInterface( (Object) pk, "java.security.interfaces.RSAPublicKey")) { RSAKeyValue rsa = new RSAKeyValue(this._doc, (Key) pk); this._constructionElement.appendChild(rsa.getElement()); XMLUtils.addReturnToElement(this._constructionElement); } } /** * Constructor KeyValue * * @param element * @param BaseURI * @throws XMLSecurityException */ public KeyValue(Element element, String BaseURI) throws XMLSecurityException { super(element, BaseURI); } /** * Method getPublicKey * * * @throws XMLSecurityException */ public PublicKey getPublicKey() throws XMLSecurityException { try { Element nscontext = XMLUtils.createDSctx(this._doc, "ds", Constants.SignatureSpecNS); NodeList rsa = XPathAPI.selectNodeList(this._constructionElement, "./ds:" + Constants._TAG_RSAKEYVALUE, nscontext); if (rsa.getLength() > 0) { RSAKeyValue kv = new RSAKeyValue((Element) rsa.item(0), this._baseURI); return kv.getPublicKey(); } NodeList dsa = XPathAPI.selectNodeList(this._constructionElement, "./ds:" + Constants._TAG_DSAKEYVALUE, nscontext); if (dsa.getLength() > 0) { DSAKeyValue kv = new DSAKeyValue((Element) dsa.item(0), this._baseURI); return kv.getPublicKey(); } } catch (TransformerException ex) {} return null; } public String getBaseLocalName() { return Constants._TAG_KEYVALUE; } }