import javax.crypto.spec.SecretKeySpec;
import javax.security.auth.kerberos.KerberosKey;

import org.bouncycastle.asn1.*;

import jcifs.pac.ASN1Util;
import jcifs.pac.PACDecodingException;
import jcifs.util.Encdec;


@SuppressWarnings ( "javadoc" )
public class KerberosEncData {

    private String userRealm;
    private String userPrincipalName;
    private ArrayList<InetAddress> userAddresses;

import jcifs.pac.PacLogonInfo;
import jcifs.pac.kerberos.KerberosEncData;
import jcifs.pac.kerberos.KerberosPacAuthData;
import jcifs.pac.kerberos.KerberosToken;
import jcifs.spnego.NegTokenInit;
import org.bouncycastle.util.encoders.Hex;
import org.junit.Assert;
import org.junit.Test;

import jcifs.pac.PACDecodingException;
import jcifs.pac.PacMac;
import jcifs.util.Hexdump;


/**
 * @author mbechler
 *
 */

    private static final String SECRET_MASK_REPLACE = "$1******$2";

    /**
     * 
     */
    private Strings () {}


    /**
     * 
     * @param str
     * @param encoding
     * @return encoded
     */
    public static byte[] getBytes ( String str, Charset encoding ) {
        if ( str == null ) {
            return new byte[0];
        }
        return str.getBytes(encoding);
    }


    /**

            SMBUtil.writeInt4(0, dst, inBufferLengthOffset);
        }
        else {
            SMBUtil.writeInt2(dstIndex - getHeaderStart(), dst, inBufferOffsetOffset);
            int len = this.inputBuffer.encode(dst, dstIndex);
            SMBUtil.writeInt4(len, dst, inBufferLengthOffset);
            dstIndex += len;
        }
        return dstIndex - start;
    }


    /**
     * {@inheritDoc}
     *

 * <tt>jcifs.Config.registerSmbURLHandler();</tt> method. This is required
 * to register the SMB protocol handler.
 * <p>
 * The userinfo component of the SMB URL (<tt>domain;user:pass</tt>) must
 * be URL encoded if it contains reserved characters. According to RFC 2396
 * these characters are non US-ASCII characters and most meta characters
 * however jCIFS will work correctly with anything but '@' which is used

        if ( setmid ) {
            makeKey(req);
        }
        else {
            req.setMid(0);
            this.mid.set(1);
        }
        int n = req.encode(this.sbuf, 4);
        Encdec.enc_uint32be(n & 0xFFFF, this.sbuf, 0); /* 4 byte ssn msg header */

        if ( log.isTraceEnabled() ) {
            log.trace(req.toString());
            log.trace(Hexdump.toHexString(this.sbuf, 4, n));

 * <tt>jcifs.smb1.Config.registerSmbURLHandler();</tt> method. This is required
 * to register the SMB protocol handler.
 * <p>
 * The userinfo component of the SMB URL (<tt>domain;user:pass</tt>) must
 * be URL encoded if it contains reserved characters. According to RFC 2396
 * these characters are non US-ASCII characters and most meta characters
 * however jCIFS will work correctly with anything but '@' which is used

     * all but the first smb of the chaain do not have a header
     * and therefore we do not want to writeHeaderWireFormat. We
     * just recursivly call writeAndXWireFormat.
     */

    @Override
    public int encode ( byte[] dst, int dstIndex ) {
        int start = this.headerStart = dstIndex;

        dstIndex += writeHeaderWireFormat(dst, dstIndex);
        dstIndex += writeAndXWireFormat(dst, dstIndex);