kerby-pkix/src/main/java/org/apache/kerby/x509/type/KeyUsage.java

/**
 *  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.
 *
 */
package org.apache.kerby.x509.type;

import org.apache.kerby.asn1.EnumType;
import org.apache.kerby.asn1.type.Asn1Flags;

/**
 * The KeyUsage object.
 * <pre>
 *    id-ce-keyUsage OBJECT IDENTIFIER ::=  { id-ce 15 }
 *
 *    KeyUsage ::= BIT STRING {
 *         digitalSignature        (0),
 *         nonRepudiation          (1),
 *         keyEncipherment         (2),
 *         dataEncipherment        (3),
 *         keyAgreement            (4),
 *         keyCertSign             (5),
 *         cRLSign                 (6),
 *         encipherOnly            (7),
 *         decipherOnly            (8) }
 * </pre>
 */

enum KeyUsageEnum implements EnumType {
    DIGITAL_SIGNATURE,
    NON_REPUDIATION,
    KEY_ENCIPHERMENT,
    DATA_ENCIPHERMENT,
    KEY_AGREEMENT,
    KEY_CERT_SIGN,
    CRL_SIGN,
    ENCIPHER_ONLY,
    DECIPHER_ONLY;

    @Override
    public int getValue() {
        return ordinal();
    }

    @Override
    public String getName() {
        return name();
    }
}

public class KeyUsage extends Asn1Flags {

}