[3777] in Privacy_Forum
[ PRIVACY Forum ] HTML Encrypted media extensions
daemon@ATHENA.MIT.EDU (PRIVACY Forum mailing list)
Sat Feb 16 16:50:01 2013
Date: Sat, 16 Feb 2013 13:26:04 -0800
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HTML Encrypted media extensions
http://j.mp/WzMFME (W3)
"This proposal extends HTMLMediaElement providing APIs to control
playback of protected content. The API supports use cases ranging
from simple clear key decryption to high value video (given an
appropriate user agent implementation). License/key exchange is
controlled by the application, facilitating the development of robust
playback applications supporting a range of content decryption and
protection technologies. This specification does not define a content
protection or Digital Rights Management system. Rather, it defines a
common API that may be used to discover, select and interact with such
systems as well as with simpler content encryption systems.
Implementation of Digital Rights Management is not required for
compliance with this specification: only the simple clear key system
is required to be implemented as a common baseline. Note: It is an
open issue whether and how the spec should do more to encourage/ensure
CDM-level interop. See Bug 20944. The common API supports a simple
set of content encryption capabilities, leaving application functions
such as authentication and authorization to page authors. This is
achieved by requiring content protection system-specific messaging to
be mediated by the page rather than assuming out-of-band communication
between the encryption system and a license or other server."
- - -
--Lauren--
Lauren Weinstein (lauren@vortex.com): http://www.vortex.com/lauren
Co-Founder: People For Internet Responsibility: http://www.pfir.org/pfir-info
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