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Re: Open Source implementations Re: Encrypted Media proposal (was RE: ISSUE-179: av_param - Chairs Solicit Alternate Proposals or Counter-Proposals)

From: Glenn Adams <glenn@skynav.com>
Date: Tue, 28 Feb 2012 10:07:14 -0700
Message-ID: <CACQ=j+etWvbP96b7HnD_=BvBV4aynn1ZbVcfH60-vUHyZPBjSw@mail.gmail.com>
To: "Tab Atkins Jr." <jackalmage@gmail.com>
Cc: Mark Watson <watsonm@netflix.com>, Kornel LesiƄski <kornel@geekhood.net>, "<public-html@w3.org>" <public-html@w3.org>
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).
Received on Tuesday, 28 February 2012 17:08:06 UTC

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