[Bug 25595] Better definitions needed for session, keys and license

https://www.w3.org/Bugs/Public/show_bug.cgi?id=25595

Petr Peterka <petr@verimatrix.com> changed:

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                 CC|                            |petr@verimatrix.com

--- Comment #1 from Petr Peterka <petr@verimatrix.com> ---
I agree with the suggested definitions with two exceptions. 
Text:
* The Key definition is too restrictive
"Such keys may only be provided to the CDM via an update() call."
Keys may also be provided directly in the initData so this statement should
read:
"Such keys may only be provided to the CDM via the createSession(),
loadSession() or update() calls."

Even this sentence may be too restrictive. Without knowing how the CDM works,
there are techniques to derive keys on the fly based on other (non-key)
information or metadata. Therefore, saying that keys must be provided in only
one of the 3 calls is still restrictive. 

The works license seems to imply certain functionality provided by some CDMs.
There are CDMs in use today that do no rely on the concept of a License that
need to be accommodated as well.

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Received on Thursday, 8 May 2014 16:49:02 UTC