securityDescriptor = new SecurityDescriptor();
            bufferIndex += securityDescriptor.decode(buffer, bufferIndex, len);
        } catch (IOException ioe) {
            throw new RuntimeException(ioe.getMessage());
        }

        return bufferIndex - start;
    }
    public String toString() {
        return new String( "NtTransQuerySecurityResponse[" +
            super.toString() + "]" );
    }

                        response.isReceived = true;
                        notifyAll();
                    }
                }
            } catch( Exception ex ) {
                String msg = ex.getMessage();
                boolean timeout = msg != null && msg.equals( "Read timed out" );
                /* If just a timeout, try to disconnect gracefully
                 */
                boolean hard = timeout == false;

            md4.update(password.getBytes(SmbConstants.UNI_ENCODING));
            return md4.digest();
        } catch (UnsupportedEncodingException uee) {
            throw new RuntimeException(uee.getMessage());
        }
    }
    public static byte[] nTOWFv2(String domain, String username, String password)
    {
        try {
            MD4 md4 = new MD4();

            der.writeObject(new DERTaggedObject(true, 1, new DERSequence(fields)));
            return collector.toByteArray();
        }
        catch ( IOException ex ) {
            throw new IllegalStateException(ex.getMessage());
        }
    }


    @Override
    protected void parse ( byte[] token ) throws IOException {
        try ( ASN1InputStream der = new ASN1InputStream(token) ) {

            der.writeObject(derApplicationSpecific);
            return collector.toByteArray();
        }
        catch ( IOException ex ) {
            throw new IllegalStateException(ex.getMessage());
        }
    }


    @Override
    protected void parse ( byte[] token ) throws IOException {

        try ( ASN1InputStream is = new ASN1InputStream(token) ) {

            while (response.charAt(index) == ' ') index++;
            return Integer.parseInt(response.substring(index, index + 3));
        } catch (Exception ex) {
            throw new IOException(ex.getMessage());
        }
    }

    private void doHandshake() throws IOException {
        connect();
        try {
            int response = parseResponseCode();

                writeSecurityBuffer(type1, 24, 32 + domain.length, workstation);
            }
            return type1;
        } catch (IOException ex) {
            throw new IllegalStateException(ex.getMessage());
        }
    }

    public String toString() {
        String suppliedDomain = getSuppliedDomain();
        String suppliedWorkstation = getSuppliedWorkstation();

            try {
                while( used == 0 ) {
                    lock.wait();
                }
            } catch( InterruptedException ie ) {
                throw new IOException( ie.getMessage() );
            }
            result = pipe_buf[beg_idx] & 0xFF;
            beg_idx = ( beg_idx + 1 ) % pipe_buf.length;
        }
        return result;
    }
    public int read( byte[] b ) throws IOException {

            ioe = (TransportException)root;
            root = ((TransportException)ioe).getRootCause();
        }
        if (root instanceof InterruptedException) {
            ioe = new InterruptedIOException(root.getMessage());
            ioe.initCause(root);
        }
        return ioe;
    }

/**
 * Closes this input stream and releases any system resources associated with the stream.
 *

                        doRecv(response);
                        response.received();
                    }
                }
            }
            catch ( Exception ex ) {
                String msg = ex.getMessage();
                boolean timeout = ( ex instanceof SocketTimeoutException ) || msg != null && msg.equals("Read timed out");
                boolean closed = msg != null && msg.equals("Socket closed");