}


    /**
     * @param key
     *            7 or 8 byte DES key
     * @return DES cipher in encryption mode
     */
    public static Cipher getDES ( byte[] key ) {
        if ( key.length == 7 ) {
            return getDES(des7to8(key));
        }

        try {
            Cipher c = Cipher.getInstance("DES/ECB/NoPadding");
            c.init(Cipher.ENCRYPT_MODE, new SecretKeySpec(key, "DES"));

    public static final int DCERPC_FIRST_FRAG = 0x01; /* First fragment */
    public static final int DCERPC_LAST_FRAG = 0x02; /* Last fragment */
    public static final int DCERPC_PENDING_CANCEL = 0x04; /* Cancel was pending at sender */
    public static final int DCERPC_RESERVED_1 = 0x08;
    public static final int DCERPC_CONC_MPX = 0x10; /* supports concurrent multiplexing */
    public static final int DCERPC_DID_NOT_EXECUTE = 0x20;

        Exception ex0 = null;

        try {
            /* We cannot synchronize (run_thread) here or the caller's
             * thread.wait( timeout ) cannot reaquire the lock and
             * return which would render the timeout effectively useless.
             */
            doConnect();
        } catch( Exception ex ) {
            ex0 = ex; // Defer to below where we're locked
            return;
        } finally {

        try {
            /*
             * We cannot synchronize (run_thread) here or the caller's
             * thread.wait( timeout ) cannot reaquire the lock and
             * return which would render the timeout effectively useless.
             */
            if ( this.state != 5 && this.state != 6 ) {
                doConnect();
            }
        }
        catch ( Exception ex ) {

        "The parameter is incorrect.", "Too many Uids active on this session.", "The Uid is not known as a valid user identifier on this session.",
        "The pipe has been ended.", "The filename, directory name, or volume label syntax is incorrect.", "The directory is not empty.",
        "Cannot create a file when that file already exists.", "All pipe instances are busy.", "The pipe is being closed.",

        "The specified domain did not exist.", "The directory name is invalid.", "Access is denied.",
        "The format of the specified computer name is invalid.", "The pipe has been ended.", "The specified local group does not exist.",
        "Logon failure: the user has not been granted the requested logon type at this computer.",

    public static final int DCERPC_LAST_FRAG       = 0x02; /* Last fragment */
    public static final int DCERPC_PENDING_CANCEL  = 0x04; /* Cancel was pending at sender */
    public static final int DCERPC_RESERVED_1      = 0x08;
    public static final int DCERPC_CONC_MPX        = 0x10; /* supports concurrent multiplexing */
    public static final int DCERPC_DID_NOT_EXECUTE = 0x20;

        byte[] key7 = new byte[7];
        byte[] e8 = new byte[8];

        for ( int i = 0; i < key.length / 7; i++ ) {
            System.arraycopy(key, i * 7, key7, 0, 7);
            Cipher des = Crypto.getDES(key7);
            des.update(data, 0, data.length, e8);
            System.arraycopy(e8, 0, e, i * 8, 8);
        }
    }