J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 3 | * |
| 4 | * This code is free software; you can redistribute it and/or modify it |
| 5 | * under the terms of the GNU General Public License version 2 only, as |
| 6 | * published by the Free Software Foundation. Sun designates this |
| 7 | * particular file as subject to the "Classpath" exception as provided |
| 8 | * by Sun in the LICENSE file that accompanied this code. |
| 9 | * |
| 10 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| 11 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 12 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 13 | * version 2 for more details (a copy is included in the LICENSE file that |
| 14 | * accompanied this code). |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License version |
| 17 | * 2 along with this work; if not, write to the Free Software Foundation, |
| 18 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| 19 | * |
| 20 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 21 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 22 | * have any questions. |
| 23 | */ |
| 24 | |
| 25 | /* |
| 26 | * |
| 27 | * (C) Copyright IBM Corp. 1999 All Rights Reserved. |
| 28 | * Copyright 1997 The Open Group Research Institute. All rights reserved. |
| 29 | */ |
| 30 | |
| 31 | package sun.security.krb5.internal.ktab; |
| 32 | |
| 33 | import sun.security.krb5.*; |
| 34 | import sun.security.krb5.internal.*; |
| 35 | import java.io.UnsupportedEncodingException; |
| 36 | |
| 37 | /** |
| 38 | * This class represents a Key Table entry. Each entry contains the service principal of |
| 39 | * the key, time stamp, key version and secret key itself. |
| 40 | * |
| 41 | * @author Yanni Zhang |
| 42 | */ |
| 43 | public class KeyTabEntry implements KeyTabConstants { |
| 44 | PrincipalName service; |
| 45 | Realm realm; |
| 46 | KerberosTime timestamp; |
| 47 | int keyVersion; |
| 48 | int keyType; |
| 49 | byte[] keyblock = null; |
| 50 | boolean DEBUG = Krb5.DEBUG; |
| 51 | |
| 52 | public KeyTabEntry (PrincipalName new_service, Realm new_realm, KerberosTime new_time, |
| 53 | int new_keyVersion, int new_keyType, byte[] new_keyblock) { |
| 54 | service = new_service; |
| 55 | realm = new_realm; |
| 56 | timestamp = new_time; |
| 57 | keyVersion = new_keyVersion; |
| 58 | keyType = new_keyType; |
| 59 | if (new_keyblock != null) { |
| 60 | keyblock = new_keyblock.clone(); |
| 61 | } |
| 62 | } |
| 63 | |
| 64 | public PrincipalName getService() { |
| 65 | return service; |
| 66 | } |
| 67 | |
| 68 | public EncryptionKey getKey() { |
| 69 | EncryptionKey key = new EncryptionKey(keyblock, |
| 70 | keyType, |
| 71 | new Integer(keyVersion)); |
| 72 | return key; |
| 73 | } |
| 74 | |
| 75 | public String getKeyString() { |
| 76 | StringBuffer sb = new StringBuffer("0x"); |
| 77 | for (int i = 0; i < keyblock.length; i++) { |
| 78 | sb.append(Integer.toHexString(keyblock[i]&0xff)); |
| 79 | } |
| 80 | return sb.toString(); |
| 81 | } |
| 82 | public int entryLength() { |
| 83 | int totalPrincipalLength = 0; |
| 84 | String[] names = service.getNameStrings(); |
| 85 | for (int i = 0; i < names.length; i++) { |
| 86 | try { |
| 87 | totalPrincipalLength += principalSize + names[i].getBytes("8859_1").length; |
| 88 | } catch (UnsupportedEncodingException exc) { |
| 89 | } |
| 90 | } |
| 91 | |
| 92 | int realmLen = 0; |
| 93 | try { |
| 94 | realmLen = realm.toString().getBytes("8859_1").length; |
| 95 | } catch (UnsupportedEncodingException exc) { |
| 96 | } |
| 97 | |
| 98 | int size = principalComponentSize + realmSize + realmLen |
| 99 | + totalPrincipalLength + principalTypeSize |
| 100 | + timestampSize + keyVersionSize |
| 101 | + keyTypeSize + keySize + keyblock.length; |
| 102 | |
| 103 | if (DEBUG) { |
| 104 | System.out.println(">>> KeyTabEntry: key tab entry size is " + size); |
| 105 | } |
| 106 | return size; |
| 107 | } |
| 108 | |
| 109 | public KerberosTime getTimeStamp() { |
| 110 | return timestamp; |
| 111 | } |
| 112 | } |