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>> BitTorrent, they can tell exactly which player it was ripped from.
>
> With the understnading that a "player" in this context means "model
> number" at least in the hardware players. I.e., they can tell it got
> ripped by a Sony XYZ-1230 brand blu-ray player, not Joe's blu-ray player.
>
> The idea is to identify it enough to black list the leaked keys, not to
> catch the person who distributed the movie.
The article suggests that the system *is* supposed to be able to narrow
it down to a specific machine or possibly a small number of such
machines, not just a specific model.
Of course, it depends on whether the makers bother to fit each player
with semi-unique keys or not... One commenter pointed out that hardware
manufacturers have no vested interest in making DRM work. Only studios do.
--
http://blog.orphi.me.uk/
http://www.zazzle.com/MathematicalOrchid*
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