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/* * Copyright (c) 2009, 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.util.Enumeration; import sun.security.util.*; /** * Represent the OCSP NoCheck Extension from RFC2560. * <p> * A CA may specify that an OCSP client can trust a responder for the * lifetime of the responder's certificate. The CA does so by including * the extension id-pkix-ocsp-nocheck. This SHOULD be a non-critical * extension. The value of the extension should be NULL. CAs issuing * such a certificate should realized that a compromise of the * responder's key, is as serious as the compromise of a CA key used to * sign CRLs, at least for the validity period of this certificate. CA's * may choose to issue this type of certificate with a very short * lifetime and renew it frequently. * <pre> * id-pkix-ocsp-nocheck OBJECT IDENTIFIER ::= { id-pkix-ocsp 5 } * </pre> * * @author Xuelei Fan * @see Extension * @see CertAttrSet */public class OCSPNoCheckExtension extends Extension    implements CertAttrSet<String> {     /**     * Identifier for this attribute, to be used with the     * get, set, delete methods of Certificate, x509 type.     */    public static final String IDENT =                         "x509.info.extensions.OCSPNoCheck";    /**     * Attribute names.     */    public static final String NAME = "OCSPNoCheck";     /**     * Create a OCSPNoCheckExtension     */    public OCSPNoCheckExtension() throws IOException {        this.extensionId = PKIXExtensions.OCSPNoCheck_Id;        this.critical = false;        this.extensionValue = new byte[0];    }     /**     * Create the extension from the passed DER encoded value.     *     * @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 IOException on error.     */    public OCSPNoCheckExtension(Boolean critical, Object value)        throws IOException {         this.extensionId = PKIXExtensions.OCSPNoCheck_Id;        this.critical = critical.booleanValue();         // the value should be null, just ignore it here.        this.extensionValue = new byte[0];    }     /**     * Set the attribute value.     */    public void set(String name, Object obj) throws IOException {        throw new IOException("No attribute is allowed by " +                        "CertAttrSet:OCSPNoCheckExtension.");    }     /**     * Get the attribute value.     */    public Object get(String name) throws IOException {        throw new IOException("No attribute is allowed by " +                        "CertAttrSet:OCSPNoCheckExtension.");    }     /**     * Delete the attribute value.     */    public void delete(String name) throws IOException {        throw new IOException("No attribute is allowed by " +                        "CertAttrSet:OCSPNoCheckExtension.");    }     /**     * Return an enumeration of names of attributes existing within this     * attribute.     */    public Enumeration<String> getElements() {        return (new AttributeNameEnumeration()).elements();    }     /**     * Return the name of this attribute.     */    public String getName() {        return NAME;    }}