2362N/A * Copyright (c) 1997, 2006, Oracle and/or its affiliates. All rights reserved. 0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 0N/A * This code is free software; you can redistribute it and/or modify it 0N/A * under the terms of the GNU General Public License version 2 only, as 2362N/A * published by the Free Software Foundation. Oracle designates this 0N/A * particular file as subject to the "Classpath" exception as provided 2362N/A * by Oracle in the LICENSE file that accompanied this code. 0N/A * This code is distributed in the hope that it will be useful, but WITHOUT 0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 0N/A * version 2 for more details (a copy is included in the LICENSE file that 0N/A * accompanied this code). 0N/A * You should have received a copy of the GNU General Public License version 0N/A * 2 along with this work; if not, write to the Free Software Foundation, 0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 2362N/A * or visit www.oracle.com if you need additional information or have any 0N/A * Represent the Key Usage Extension. 0N/A * <p>This extension, if present, defines the purpose (e.g., encipherment, 0N/A * signature, certificate signing) of the key contained in the certificate. 0N/A * The usage restriction might be employed when a multipurpose key is to be 0N/A * restricted (e.g., when an RSA key should be used only for signing or only 0N/A * for key encipherment). 0N/A * @author Amit Kapoor 0N/A * @author Hemma Prafullchandra 0N/A * Identifier for this attribute, to be used with the 0N/A * get, set, delete methods of Certificate, x509 type. 0N/A // Private data members 0N/A // Encode this extension value 0N/A * Check if bit is set. 0N/A * @param position the position in the bit string to check. 0N/A * Set the bit at the specified position. 0N/A // enlarge bitString if necessary 0N/A * Create a KeyUsageExtension with the passed bit settings. The criticality 0N/A * @param bitString the bits to be set for the extension. 0N/A * Create a KeyUsageExtension with the passed bit settings. The criticality 0N/A * @param bitString the bits to be set for the extension. 0N/A * Create a KeyUsageExtension with the passed bit settings. The criticality 0N/A * @param bitString the bits to be set for the extension. 0N/A * Create the extension from the passed DER encoded value of the same. 0N/A * The DER encoded value may be wrapped in an OCTET STRING. 0N/A * @param critical true if the extension is to be treated as critical. 0N/A * @param value an array of DER encoded bytes of the actual value (possibly 0N/A * wrapped in an OCTET STRING). 0N/A * @exception ClassCastException if value is not an array of bytes 0N/A * @exception IOException on error. 0N/A * The following check should be activated again after 0N/A * the PKIX profiling work becomes standard and the check 0N/A * is not a barrier to interoperability ! 0N/A * if (!this.critical) { 0N/A * throw new IOException("KeyUsageExtension not marked critical," 0N/A * + " invalid profile."); 0N/A * Create a default key usage. 0N/A * Set the attribute value. 0N/A +
" CertAttrSet:KeyUsage.");
0N/A * Get the attribute value. 0N/A +
" CertAttrSet:KeyUsage.");
0N/A * Delete the attribute value. 0N/A +
" CertAttrSet:KeyUsage.");
0N/A * Returns a printable representation of the KeyUsage. 0N/A s +=
" DigitalSignature\n";
0N/A s +=
" Non_repudiation\n";
0N/A s +=
" Key_Encipherment\n";
0N/A s +=
" Data_Encipherment\n";
0N/A s +=
" Key_Agreement\n";
0N/A s +=
" Key_CertSign\n";
0N/A s +=
" Encipher_Only\n";
0N/A s +=
" Decipher_Only\n";
0N/A * Write the extension to the DerOutputStream. 0N/A * @param out the DerOutputStream to write the extension to. 0N/A * @exception IOException on encoding errors. 0N/A * Return an enumeration of names of attributes existing within this 0N/A * Return the name of this attribute.