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/* * 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. */ /* * *  (C) Copyright IBM Corp. 1999 All Rights Reserved. *  Copyright 1997 The Open Group Research Institute.  All rights reserved. */ package sun.security.krb5.internal.ktab; import sun.security.krb5.internal.*;import sun.security.krb5.internal.util.KrbDataOutputStream;import java.io.IOException;import java.io.FileOutputStream;import java.io.OutputStream;import java.io.UnsupportedEncodingException; /** * This class implements a buffered input stream. It is used for parsing key table * data to memory. * * @author Yanni Zhang * */public class KeyTabOutputStream extends KrbDataOutputStream implements KeyTabConstants {    private KeyTabEntry entry;    private int keyType;    private byte[] keyValue;    public int version;     public KeyTabOutputStream(OutputStream os) {        super(os);    }     public void writeVersion(int num) throws IOException {        version = num;        write16(num);           //we use the standard version.    }     public void writeEntry(KeyTabEntry entry) throws IOException {        write32(entry.entryLength());        String[] serviceNames =  entry.service.getNameStrings();        int comp_num = serviceNames.length;        if (version == KRB5_KT_VNO_1) {            write16(comp_num + 1);        }        else write16(comp_num);         byte[] realm = null;        try {            realm = entry.service.getRealmString().getBytes("8859_1");        } catch (UnsupportedEncodingException exc) {        }         write16(realm.length);        write(realm);        for (int i = 0; i < comp_num; i++) {            try {                write16(serviceNames[i].getBytes("8859_1").length);                write(serviceNames[i].getBytes("8859_1"));            } catch (UnsupportedEncodingException exc) {            }        }        write32(entry.service.getNameType());        //time is long, but we only use 4 bytes to store the data.        write32((int)(entry.timestamp.getTime()/1000));         // the key version might be a 32 bit extended number.        write8(entry.keyVersion % 256 );        write16(entry.keyType);        write16(entry.keyblock.length);        write(entry.keyblock);         // if the key version isn't smaller than 256, it could be saved as        // extension key version number in 4 bytes. The nonzero extension        // key version number will be trusted. However, it isn't standardized        // yet, we won't support it.        // if (entry.keyVersion >= 256) {        //    write32(entry.keyVersion);        //}    }}