[MPlayer-dev-eng] aes & bluray

[Nico Sabbi]

Il venerdì 11 settembre 2009 10:39:48 Nico Sabbi ha scritto:
> Il venerdì 11 settembre 2009 10:20:42 Reimar Döffinger ha scritto:
> > On Fri, Sep 11, 2009 at 04:51:56AM +0100, Jonathan Nell wrote:
> > > 2009/9/10 Nico Sabbi <nicola.sabbi at poste.it>:
> > > > I didn't read the specs, but unless decryption can't be
> > > > implemented otherwise I'd prefer to keep it in the stream
> > > > layer, just like for CSS
> >
> > And why? I really think it is a mistake to do it there for CSS
> > already. The encryption part of CSS does not really depends on a
> > physical medium at all and could be used for any MPEG stream - if
> > it wasn't always implemented "at the wrong place".
>
> because different media could use different encryptions in the same
> mux format, think for example of dvd and hd-dvd: both use mpeg-ps
> as a container but with very different encryptions.
> Even though there's nothing stream-specific in the encryption
> method, as a matter of fact the media type (thus the stream)
> involves an encryption algorithm.

and the stream can be dumped decrypted ;-)