/* * Copyright (c) 2004, 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.krb5.internal.crypto; /** * Key usages used for key derivation in Kerberos. */public class KeyUsage {     private KeyUsage() {    }     public static final int KU_UNKNOWN = 0;                     // Cannot be 0     // Defined in draft-yu-krb-wg-kerberos-extensions-00.txt, Appendix A    public static final int KU_PA_ENC_TS = 1;                   // KrbAsReq    public static final int KU_TICKET = 2;                      // KrbApReq (ticket)    public static final int KU_ENC_AS_REP_PART = 3;             // KrbAsRep    public static final int KU_TGS_REQ_AUTH_DATA_SESSKEY= 4;    // KrbTgsReq    public static final int KU_TGS_REQ_AUTH_DATA_SUBKEY = 5;    // KrbTgsReq    public static final int KU_PA_TGS_REQ_CKSUM = 6;            // KrbTgsReq    public static final int KU_PA_TGS_REQ_AUTHENTICATOR = 7;    // KrbApReq    public static final int KU_ENC_TGS_REP_PART_SESSKEY = 8;    // KrbTgsRep    public static final int KU_ENC_TGS_REP_PART_SUBKEY = 9;     // KrbTgsRep    public static final int KU_AUTHENTICATOR_CKSUM = 10;    public static final int KU_AP_REQ_AUTHENTICATOR = 11;       // KrbApReq    public static final int KU_ENC_AP_REP_PART = 12;            // KrbApRep    public static final int KU_ENC_KRB_PRIV_PART = 13;          // KrbPriv    public static final int KU_ENC_KRB_CRED_PART = 14;          // KrbCred    public static final int KU_KRB_SAFE_CKSUM = 15;             // KrbSafe    public static final int KU_AD_KDC_ISSUED_CKSUM = 19;     public static final boolean isValid(int usage) {        return usage >= 0;    }}