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/*
* 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.
*/
package sun.security.x509;
import java.io.IOException;
import java.io.OutputStream;
import java.math.BigInteger;
import java.util.Enumeration;
import sun.security.util.*;
/**
* Represents the Delta CRL Indicator Extension.
*
* <p>
* The extension identifies a CRL as being a delta CRL.
* Delta CRLs contain updates to revocation information previously distributed,
* rather than all the information that would appear in a complete CRL.
* The extension contains a CRL number that identifies the CRL, complete for a
* given scope, that was used as the starting point in the generation of
* this delta CRL.
*
* <p>
* The extension is defined in Section 5.2.4 of
* <a href="http://www.ietf.org/rfc/rfc3280.txt">Internet X.509 PKI Certific
ate and Certificate Revocation List (CRL) Profile</a>.
*
* <p>
* Its ASN.1 definition is as follows:
* <pre>
* id-ce-deltaCRLIndicator OBJECT IDENTIFIER ::= { id-ce 27 }
*
* BaseCRLNumber ::= CRLNumber
* CRLNumber ::= INTEGER (0..MAX)
* </pre>
*
* @since 1.6
*/
public class DeltaCRLIndicatorExtension extends CRLNumberExtension {
/**
* Attribute name.
*/
public static final String NAME = "DeltaCRLIndicator";
private static final String LABEL = "Base CRL Number";
/**
* Creates a delta CRL indicator extension with the integer value .
* The criticality is set to true.
*
* @param crlNum the value to be set for the extension.
*/
public DeltaCRLIndicatorExtension(int crlNum) throws IOException {
super(PKIXExtensions.DeltaCRLIndicator_Id, true,
BigInteger.valueOf(crlNum), NAME, LABEL);
}
/**
* Creates a delta CRL indictor extension with the BigInteger value .
* The criticality is set to true.
*
* @param crlNum the value to be set for the extension.
*/
public DeltaCRLIndicatorExtension(BigInteger crlNum) throws IOException {
super(PKIXExtensions.DeltaCRLIndicator_Id, true, crlNum, NAME, LABEL);
}
/**
* Creates the extension from the passed DER encoded value of the same.
*
* @param critical true if the extension is to be treated as critical.
* @param value an array of DER encoded bytes of the actual value.
* @exception ClassCastException if value is not an array of bytes
* @exception IOException on decoding error.
*/
public DeltaCRLIndicatorExtension(Boolean critical, Object value)
throws IOException {
super(PKIXExtensions.DeltaCRLIndicator_Id, critical.booleanValue(),
value, NAME, LABEL);
}
/**
* Writes the extension to the DerOutputStream.
*
* @param out the DerOutputStream to write the extension to.
* @exception IOException on encoding errors.
*/
public void encode(OutputStream out) throws IOException {
DerOutputStream tmp = new DerOutputStream();
super.encode(out, PKIXExtensions.DeltaCRLIndicator_Id, true);
}
}
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