try {
            handshake();
        } catch (IOException ex) { }
        return connection.getContentEncoding();
    }

    public long getExpiration() {
        try {
            handshake();
        } catch (IOException ex) { }
        return connection.getExpiration();
    }

    public long getDate() {
        try {
            handshake();

                boolean timeout = msg != null && msg.equals( "Read timed out" );
                /* If just a timeout, try to disconnect gracefully
                 */
                boolean hard = timeout == false;

                if (!timeout && log.level >= 3)
                    ex.printStackTrace( log );

                try {
                    disconnect( hard );
                } catch( IOException ioe ) {

    public static MessageDigest getMD4 () {
        try {
            return MessageDigest.getInstance("MD4", getProvider());
        }
        catch ( NoSuchAlgorithmException e ) {
            throw new CIFSUnsupportedCryptoException(e);
        }
    }


    /**
     * 
     * @return MD5 digest
     */
    public static MessageDigest getMD5 () {
        try {
            return MessageDigest.getInstance("MD5");

    }


    private void runFilenameTest ( String... names ) throws CIFSException, UnknownHostException, MalformedURLException {
        try ( SmbFile d = createTestDirectory() ) {
            try {

                for ( String name : names ) {
                    try ( SmbResource tf = new SmbFile(d, name) ) {
                        tf.createNewFile();
                    }
                }

    /**
     * 
     * {@inheritDoc}
     *
     * @see jcifs.smb.SmbPipeHandleInternal#getSessionKey()
     */
    @Override
    public byte[] getSessionKey () throws CIFSException {
        try ( SmbTreeHandleImpl th = ensureTreeConnected();
              SmbSessionImpl sess = th.getSession() ) {
            return sess.getSessionKey();
        }
    }


    /**
     * {@inheritDoc}
     *

        if ( token.length <= 0 )
            throw new PACDecodingException("Empty kerberos ticket");

        ASN1Sequence sequence;
        try {
            try ( ASN1InputStream stream = new ASN1InputStream(new ByteArrayInputStream(token)) ) {
                sequence = ASN1Util.as(ASN1Sequence.class, stream);
            }
        }
        catch ( IOException e ) {

        byte[] p21 = new byte[21];
        byte[] p24 = new byte[24];
        byte[] passwordBytes;
        try {
            passwordBytes = password.toUpperCase().getBytes( ServerMessageBlock.OEM_ENCODING );
        } catch( UnsupportedEncodingException uee ) {
            throw new RuntimeException("Try setting jcifs.smb1.encoding=US-ASCII", uee);
        }
        int passwordLength = passwordBytes.length;

                    if (provider.equals("jcifs.smb1")) continue;
                    String className = provider + "." + protocol + ".Handler";
                    try {
                        Class handlerClass = null;
                        try {
                            handlerClass = Class.forName(className);
                        } catch (Exception ex) { }
                        if (handlerClass == null) {

    private void loop () {
        while ( this.thread == Thread.currentThread() ) {
            try {
                synchronized ( this.inLock ) {
                    Long key;
                    try {
                        key = peekKey();
                    }
                    catch ( SocketTimeoutException e ) {

                    return null;
                }
                return ri;
            }
            ce = new CacheEntry<>(tf.getConfig().getDfsTtl());
            try {
                try ( SmbTransportInternal trans = tf.getTransportPool().getSmbTransport(tf, domain, 0, false, false)
                        .unwrap(SmbTransportInternal.class) ) {
                    synchronized ( trans ) {