/*****************************************************************************
* css.c: Functions for DVD authentication and descrambling
*****************************************************************************
* Copyright (C) 1999-2003 VideoLAN
*
* Modified for use with MPlayer, changes contained in libdvdcss_changes.diff.
* detailed changelog at http://svn.mplayerhq.hu/mplayer/trunk/
* $Id$
*
* Authors: Stéphane Borel <stef@via.ecp.fr>
* Håkan Hjort <d95hjort@dtek.chalmers.se>
*
* based on:
* - css-auth by Derek Fawcus <derek@spider.com>
* - DVD CSS ioctls example program by Andrew T. Veliath &