1 /* 2 * Copyright (c) 2004, 2012, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 /* 27 */ 28 29 package sun.security.krb5.internal.crypto; 30 31 /** 32 * Key usages used for key derivation in Kerberos. 33 */ 34 public class KeyUsage { 35 KeyUsage()36 private KeyUsage() { 37 } 38 39 public static final int KU_UNKNOWN = 0; // Cannot be 0 40 41 // Defined in draft-yu-krb-wg-kerberos-extensions-00.txt, Appendix A 42 public static final int KU_PA_ENC_TS = 1; // KrbAsReq 43 public static final int KU_TICKET = 2; // KrbApReq (ticket) 44 public static final int KU_ENC_AS_REP_PART = 3; // KrbAsRep 45 public static final int KU_TGS_REQ_AUTH_DATA_SESSKEY= 4; // KrbTgsReq 46 public static final int KU_TGS_REQ_AUTH_DATA_SUBKEY = 5; // KrbTgsReq 47 public static final int KU_PA_TGS_REQ_CKSUM = 6; // KrbTgsReq 48 public static final int KU_PA_TGS_REQ_AUTHENTICATOR = 7; // KrbApReq 49 public static final int KU_ENC_TGS_REP_PART_SESSKEY = 8; // KrbTgsRep 50 public static final int KU_ENC_TGS_REP_PART_SUBKEY = 9; // KrbTgsRep 51 public static final int KU_AUTHENTICATOR_CKSUM = 10; 52 public static final int KU_AP_REQ_AUTHENTICATOR = 11; // KrbApReq 53 public static final int KU_ENC_AP_REP_PART = 12; // KrbApRep 54 public static final int KU_ENC_KRB_PRIV_PART = 13; // KrbPriv 55 public static final int KU_ENC_KRB_CRED_PART = 14; // KrbCred 56 public static final int KU_KRB_SAFE_CKSUM = 15; // KrbSafe 57 public static final int KU_PA_FOR_USER_ENC_CKSUM = 17; // S4U2user 58 public static final int KU_AD_KDC_ISSUED_CKSUM = 19; 59 isValid(int usage)60 public static final boolean isValid(int usage) { 61 return usage >= 0; 62 } 63 } 64