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[Gildas Bazin]

On Monday 13 August 2001 10:16 pm, Stéphane Borel wrote:
> On Mon, Aug 13, 2001 at 09:09:21PM +0200, Samuel Hocevar wrote:
> >    It has, but in order to decrypt CSS-encoded data, vlc needs a
> > decryption key, and the process of generating the decryption key
> > includes retrieving data from hidden parts of the DVD (through what is
> > called DVD ioctls), which can't be done when the data has been copied to
> > the hard disk.
> 
> As far as I know, libdvdcss doesn't use ioctls to decrypt the title key.
> Unless it has changed lately, the decryption is a magic of statistics
> and periodicity of the stream.
> 
> Only the disk key, which we don't use, needs ioctls to be decrypted.
> That's what libcss did.
> 

So, I'm wondering now, what's all the ioctl stuff about in libdvdcss ?

--
Gildas