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    1   /*
    2    * Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved.
    3    * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
    4    *
    5    * This code is free software; you can redistribute it and/or modify it
    6    * under the terms of the GNU General Public License version 2 only, as
    7    * published by the Free Software Foundation.  Oracle designates this
    8    * particular file as subject to the "Classpath" exception as provided
    9    * by Oracle in the LICENSE file that accompanied this code.
   10    *
   11    * This code is distributed in the hope that it will be useful, but WITHOUT
   12    * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
   13    * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
   14    * version 2 for more details (a copy is included in the LICENSE file that
   15    * accompanied this code).
   16    *
   17    * You should have received a copy of the GNU General Public License version
   18    * 2 along with this work; if not, write to the Free Software Foundation,
   19    * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
   20    *
   21    * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
   22    * or visit www.oracle.com if you need additional information or have any
   23    * questions.
   24    */
   25   /*
   26    * $Id: X509Data.java,v 1.4 2005/05/10 16:35:35 mullan Exp $
   27    */
   28   package javax.xml.crypto.dsig.keyinfo;
   29   
   30   import javax.xml.crypto.XMLStructure;
   31   import java.security.cert.X509CRL;
   32   import java.util.List;
   33   
   34   /**
   35    * A representation of the XML <code>X509Data</code> element as defined in
   36    * the <a href="http://www.w3.org/TR/xmldsig-core/">
   37    * W3C Recommendation for XML-Signature Syntax and Processing</a>. An
   38    * <code>X509Data</code> object contains one or more identifers of keys
   39    * or X.509 certificates (or certificates' identifiers or a revocation list).
   40    * The XML Schema Definition is defined as:
   41    *
   42    * <pre>
   43    *    &lt;element name="X509Data" type="ds:X509DataType"/&gt;
   44    *    &lt;complexType name="X509DataType"&gt;
   45    *        &lt;sequence maxOccurs="unbounded"&gt;
   46    *          &lt;choice&gt;
   47    *            &lt;element name="X509IssuerSerial" type="ds:X509IssuerSerialType"/&gt;
   48    *            &lt;element name="X509SKI" type="base64Binary"/&gt;
   49    *            &lt;element name="X509SubjectName" type="string"/&gt;
   50    *            &lt;element name="X509Certificate" type="base64Binary"/&gt;
   51    *            &lt;element name="X509CRL" type="base64Binary"/&gt;
   52    *            &lt;any namespace="##other" processContents="lax"/&gt;
   53    *          &lt;/choice&gt;
   54    *        &lt;/sequence&gt;
   55    *    &lt;/complexType&gt;
   56    *
   57    *    &lt;complexType name="X509IssuerSerialType"&gt;
   58    *      &lt;sequence&gt;
   59    *        &lt;element name="X509IssuerName" type="string"/&gt;
   60    *        &lt;element name="X509SerialNumber" type="integer"/&gt;
   61    *      &lt;/sequence&gt;
   62    *    &lt;/complexType&gt;
   63    * </pre>
   64    *
   65    * An <code>X509Data</code> instance may be created by invoking the
   66    * {@link KeyInfoFactory#newX509Data newX509Data} methods of the
   67    * {@link KeyInfoFactory} class and passing it a list of one or more
   68    * {@link XMLStructure}s representing X.509 content; for example:
   69    * <pre>
   70    *   KeyInfoFactory factory = KeyInfoFactory.getInstance("DOM");
   71    *   X509Data x509Data = factory.newX509Data
   72    *       (Collections.singletonList("cn=Alice"));
   73    * </pre>
   74    *
   75    * @author Sean Mullan
   76    * @author JSR 105 Expert Group
   77    * @since 1.6
   78    * @see KeyInfoFactory#newX509Data(List)
   79    */
   80   //@@@ check for illegal combinations of data violating MUSTs in W3c spec
   81   public interface X509Data extends XMLStructure {
   82   
   83       /**
   84        * URI identifying the X509Data KeyInfo type:
   85        * http://www.w3.org/2000/09/xmldsig#X509Data. This can be specified as
   86        * the value of the <code>type</code> parameter of the
   87        * {@link RetrievalMethod} class to describe a remote
   88        * <code>X509Data</code> structure.
   89        */
   90       final static String TYPE = "http://www.w3.org/2000/09/xmldsig#X509Data";
   91   
   92       /**
   93        * URI identifying the binary (ASN.1 DER) X.509 Certificate KeyInfo type:
   94        * http://www.w3.org/2000/09/xmldsig#rawX509Certificate. This can be
   95        * specified as the value of the <code>type</code> parameter of the
   96        * {@link RetrievalMethod} class to describe a remote X509 Certificate.
   97        */
   98       final static String RAW_X509_CERTIFICATE_TYPE =
   99           "http://www.w3.org/2000/09/xmldsig#rawX509Certificate";
  100   
  101       /**
  102        * Returns an {@link java.util.Collections#unmodifiableList unmodifiable
  103        * list} of the content in this <code>X509Data</code>. Valid types are
  104        * {@link String} (subject names), <code>byte[]</code> (subject key ids),
  105        * {@link java.security.cert.X509Certificate}, {@link X509CRL},
  106        * or {@link XMLStructure} ({@link X509IssuerSerial}
  107        * objects or elements from an external namespace).
  108        *
  109        * @return an unmodifiable list of the content in this <code>X509Data</code>
  110        *    (never <code>null</code> or empty)
  111        */
  112       List getContent();
  113   }

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