/* * Copyright (c) 2000, 2006, 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.jgss.krb5; import java.io.IOException;import sun.security.util.*;import sun.security.jgss.*; /** * This class represents a base class for all Kerberos v5 GSS-API * tokens. It contains commonly used definitions and utilities. * * @author Mayank Upadhyay */ abstract class Krb5Token extends GSSToken {     /**     * The token id defined for the token emitted by the initSecContext call     * carrying the AP_REQ .     */    public static final int AP_REQ_ID = 0x0100;     /**     * The token id defined for the token emitted by the acceptSecContext call     * carrying the AP_REP .     */    public static final int AP_REP_ID = 0x0200;     /**     * The token id defined for any token carrying a KRB-ERR message.     */    public static final int ERR_ID    = 0x0300;     /**     * The token id defined for the token emitted by the getMIC call.     */    public static final int MIC_ID    = 0x0101;     /**     * The token id defined for the token emitted by the wrap call.     */    public static final int WRAP_ID   = 0x0201;     // new token ID draft-ietf-krb-wg-gssapi-cfx-07.txt    public static final int MIC_ID_v2  = 0x0404;    public static final int WRAP_ID_v2 = 0x0504;     /**     * The object identifier corresponding to the Kerberos v5 GSS-API     * mechanism.     */    public static ObjectIdentifier OID;     static {        try {            OID = new ObjectIdentifier(Krb5MechFactory.                                       GSS_KRB5_MECH_OID.toString());        } catch (IOException ioe) {          // should not happen        }    }     /**     * Returns a strign representing the token type.     *     * @param tokenId the token id for which a string name is desired     * @return the String name of this token type     */    public static String getTokenName(int tokenId) {        String retVal = null;        switch (tokenId) {            case AP_REQ_ID:            case AP_REP_ID:                retVal = "Context Establishment Token";                break;            case MIC_ID:                retVal = "MIC Token";                break;            case MIC_ID_v2:                retVal = "MIC Token (new format)";                break;            case WRAP_ID:                retVal = "Wrap Token";                break;            case WRAP_ID_v2:                retVal = "Wrap Token (new format)";                break;            default:                retVal = "Kerberos GSS-API Mechanism Token";                break;        }        return retVal;    }}