/* * Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation.  Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code 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 General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. *//* * $Id: PGPData.java,v 1.4 2005/05/10 16:35:35 mullan Exp $ */package javax.xml.crypto.dsig.keyinfo; import java.util.Collections;import java.util.List;import javax.xml.crypto.XMLStructure; /** * A representation of the XML <code>PGPData</code> element as defined in * the <a href="http://www.w3.org/TR/xmldsig-core/"> * W3C Recommendation for XML-Signature Syntax and Processing</a>. A * <code>PGPData</code> object is used to convey information related to * PGP public key pairs and signatures on such keys. The XML Schema Definition * is defined as: * * <pre> *    &lt;element name="PGPData" type="ds:PGPDataType"/&gt; *    &lt;complexType name="PGPDataType"&gt; *      &lt;choice&gt; *        &lt;sequence&gt; *          &lt;element name="PGPKeyID" type="base64Binary"/&gt; *          &lt;element name="PGPKeyPacket" type="base64Binary" minOccurs="0"/&gt; *          &lt;any namespace="##other" processContents="lax" minOccurs="0" *           maxOccurs="unbounded"/&gt; *        &lt;/sequence&gt; *        &lt;sequence&gt; *          &lt;element name="PGPKeyPacket" type="base64Binary"/&gt; *          &lt;any namespace="##other" processContents="lax" minOccurs="0" *           maxOccurs="unbounded"/&gt; *        &lt;/sequence&gt; *      &lt;/choice&gt; *    &lt;/complexType&gt; * </pre> * * A <code>PGPData</code> instance may be created by invoking one of the * {@link KeyInfoFactory#newPGPData newPGPData} methods of the {@link * KeyInfoFactory} class, and passing it * <code>byte</code> arrays representing the contents of the PGP public key * identifier and/or PGP key material packet, and an optional list of * elements from an external namespace. * * @author Sean Mullan * @author JSR 105 Expert Group * @since 1.6 * @see KeyInfoFactory#newPGPData(byte[]) * @see KeyInfoFactory#newPGPData(byte[], byte[], List) * @see KeyInfoFactory#newPGPData(byte[], List) */public interface PGPData extends XMLStructure {     /**     * URI identifying the PGPData KeyInfo type:     * http://www.w3.org/2000/09/xmldsig#PGPData. This can be specified as the     * value of the <code>type</code> parameter of the {@link RetrievalMethod}     * class to describe a remote <code>PGPData</code> structure.     */    final static String TYPE = "http://www.w3.org/2000/09/xmldsig#PGPData";     /**     * Returns the PGP public key identifier of this <code>PGPData</code> as     * defined in <a href="http://www.ietf.org/rfc/rfc2440.txt">RFC 2440</a>,     * section 11.2.     *     * @return the PGP public key identifier (may be <code>null</code> if     *    not specified). Each invocation of this method returns a new clone     *    to protect against subsequent modification.     */    byte[] getKeyId();     /**     * Returns the PGP key material packet of this <code>PGPData</code> as     * defined in <a href="http://www.ietf.org/rfc/rfc2440.txt">RFC 2440</a>,     * section 5.5.     *     * @return the PGP key material packet (may be <code>null</code> if not     *    specified). Each invocation of this method returns a new clone to     *    protect against subsequent modification.     */    byte[] getKeyPacket();     /**     * Returns an {@link Collections#unmodifiableList unmodifiable list}     * of {@link XMLStructure}s representing elements from an external     * namespace.     *     * @return an unmodifiable list of <code>XMLStructure</code>s (may be     *    empty, but never <code>null</code>)     */    List getExternalElements();}