2012/2/28 Tab Atkins Jr. <jackalmage@gmail.com>
> In your other case (server is untrusted), DRM is unnecessary baggage;
> you only need JS encryption/decryption that can be inserted between
> the server and a <video> element of the user. This can be specified
> and implemented without many of the concerns that people have been
> raising about this proposal.
>
A solution that requires decryption of the actual media content in JS would
be unacceptable from a performance perspective, particularly on resource
constrained devices. The solution must be readily implemented with
reasonable performance on devices at different ends of the spectrum,
including TV/STBs (resource constrained).