/* * 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: SignedInfo.java,v 1.7 2005/05/10 16:03:47 mullan Exp $ */package javax.xml.crypto.dsig; import javax.xml.crypto.XMLStructure;import java.io.InputStream;import java.util.List; /** * An representation of the XML <code>SignedInfo</code> element as * defined in the <a href="http://www.w3.org/TR/xmldsig-core/"> * W3C Recommendation for XML-Signature Syntax and Processing</a>. * The XML Schema Definition is defined as: * <pre><code> * &lt;element name="SignedInfo" type="ds:SignedInfoType"/&gt; * &lt;complexType name="SignedInfoType"&gt; *   &lt;sequence&gt; *     &lt;element ref="ds:CanonicalizationMethod"/&gt; *     &lt;element ref="ds:SignatureMethod"/&gt; *     &lt;element ref="ds:Reference" maxOccurs="unbounded"/&gt; *   &lt;/sequence&gt; *   &lt;attribute name="Id" type="ID" use="optional"/&gt; * &lt;/complexType&gt; * </code></pre> * * A <code>SignedInfo</code> instance may be created by invoking one of the * {@link XMLSignatureFactory#newSignedInfo newSignedInfo} methods of the * {@link XMLSignatureFactory} class. * * @author Sean Mullan * @author JSR 105 Expert Group * @since 1.6 * @see XMLSignatureFactory#newSignedInfo(CanonicalizationMethod, SignatureMethod, List) * @see XMLSignatureFactory#newSignedInfo(CanonicalizationMethod, SignatureMethod, List, String) */public interface SignedInfo extends XMLStructure {     /**     * Returns the canonicalization method of this <code>SignedInfo</code>.     *     * @return the canonicalization method     */    CanonicalizationMethod getCanonicalizationMethod();     /**     * Returns the signature method of this <code>SignedInfo</code>.     *     * @return the signature method     */    SignatureMethod getSignatureMethod();     /**     * Returns an {@link java.util.Collections#unmodifiableList     * unmodifiable list} of one or more {@link Reference}s.     *     * @return an unmodifiable list of one or more {@link Reference}s     */    List getReferences();     /**     * Returns the optional <code>Id</code> attribute of this     * <code>SignedInfo</code>.     *     * @return the id (may be <code>null</code> if not specified)     */    String getId();     /**     * Returns the canonicalized signed info bytes after a signing or     * validation operation. This method is useful for debugging.     *     * @return an <code>InputStream</code> containing the canonicalized bytes,     *    or <code>null</code> if this <code>SignedInfo</code> has not been     *    signed or validated yet     */    InputStream getCanonicalizedData();}