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 package sun.security.x509; 27 28 import java.io.IOException; 29 import java.io.OutputStream; 30 import java.math.BigInteger; 31 import java.util.Enumeration; 32 import java.util.List; 33 34 import sun.security.util.*; 35 36 /** 37 * Represents the Freshest CRL Extension. 38 * 39 * <p> 40 * The extension identifies how delta CRL information for a 41 * complete CRL is obtained. 42 * 43 * <p> 44 * The extension is defined in Section 5.2.6 of 45 * <a href="http://www.ietf.org/rfc/rfc3280.txt">Internet X.509 PKI Certific 46 ate and Certificate Revocation List (CRL) Profile</a>. 47 * 48 * <p> 49 * Its ASN.1 definition is as follows: 50 * <pre> 51 * id-ce-freshestCRL OBJECT IDENTIFIER ::= { id-ce 46 } 52 * 53 * FreshestCRL ::= CRLDistributionPoints 54 * </pre> 55 * 56 * @since 1.6 57 */ 58 public class FreshestCRLExtension extends CRLDistributionPointsExtension { 59 60 /** 61 * Attribute name. 62 */ 63 public static final String NAME = "FreshestCRL"; 64 65 /** 66 * Creates a freshest CRL extension. 67 * The criticality is set to false. 68 * 69 * @param distributionPoints the list of delta CRL distribution points. 70 */ 71 public FreshestCRLExtension(List<DistributionPoint> distributionPoints) 72 throws IOException { 73 74 super(PKIXExtensions.FreshestCRL_Id, false, distributionPoints, NAME); 75 } 76 77 /** 78 * Creates the extension from the passed DER encoded value of the same. 79 * 80 * @param critical true if the extension is to be treated as critical. 81 * @param value an array of DER encoded bytes of the actual value. 82 * @exception IOException on decoding error. 83 */ 84 public FreshestCRLExtension(Boolean critical, Object value) 85 throws IOException { 86 super(PKIXExtensions.FreshestCRL_Id, critical.booleanValue(), value, 87 NAME); 88 } 89 90 /** 91 * Writes the extension to the DerOutputStream. 92 * 93 * @param out the DerOutputStream to write the extension to. 94 * @exception IOException on encoding errors. 95 */ 96 public void encode(OutputStream out) throws IOException { 97 super.encode(out, PKIXExtensions.FreshestCRL_Id, false); 98 } 99 } 100