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/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
/*
* Copyright 2005 Sun Microsystems, Inc. All rights reserved.
*/
/*
* $Id$
*/
package javax.xml.crypto.dsig.keyinfo;
import java.util.Collections;
import java.util.List;
import javax.xml.crypto.XMLStructure;
/**
* A representation of the XML PGPData element as defined in
* the
* W3C Recommendation for XML-Signature Syntax and Processing. A
* PGPData object is used to convey information related to
* PGP public key pairs and signatures on such keys. The XML Schema Definition
* is defined as:
*
*
* <element name="PGPData" type="ds:PGPDataType"/>
* <complexType name="PGPDataType">
* <choice>
* <sequence>
* <element name="PGPKeyID" type="base64Binary"/>
* <element name="PGPKeyPacket" type="base64Binary" minOccurs="0"/>
* <any namespace="##other" processContents="lax" minOccurs="0"
* maxOccurs="unbounded"/>
* </sequence>
* <sequence>
* <element name="PGPKeyPacket" type="base64Binary"/>
* <any namespace="##other" processContents="lax" minOccurs="0"
* maxOccurs="unbounded"/>
* </sequence>
* </choice>
* </complexType>
*
*
* A PGPData instance may be created by invoking one of the
* {@link KeyInfoFactory#newPGPData newPGPData} methods of the {@link
* KeyInfoFactory} class, and passing it
* byte 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
* @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 type parameter of the {@link RetrievalMethod}
* class to describe a remote PGPData structure.
*/
String TYPE = "http://www.w3.org/2000/09/xmldsig#PGPData";
/**
* Returns the PGP public key identifier of this PGPData as
* defined in RFC 2440,
* section 11.2.
*
* @return the PGP public key identifier (may be null 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 PGPData as
* defined in RFC 2440,
* section 5.5.
*
* @return the PGP key material packet (may be null 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 XMLStructures (may be
* empty, but never null)
*/
List getExternalElements();
}