JDK14/Java14源码在线阅读

/*
 * Copyright (c) 2005, 2014, 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<Reference> 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();


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