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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: Charles Pritchard <chuck@jumis.com>
Date: Tue, 28 Feb 2012 10:27:07 -0800
Message-ID: <4F4D1C7B.40608@jumis.com>
To: Glenn Adams <glenn@skynav.com>
CC: "Tab Atkins Jr." <jackalmage@gmail.com>, Mark Watson <watsonm@netflix.com>, Kornel LesiƄski <kornel@geekhood.net>, "<public-html@w3.org>" <public-html@w3.org>
On 2/28/2012 9:07 AM, Glenn Adams wrote:
>
> 2012/2/28 Tab Atkins Jr. <jackalmage@gmail.com 
> <mailto: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).

Citation needed.


-Charles
Received on Tuesday, 28 February 2012 18:27:36 GMT

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