[Bug 24027] Define a generic Initialization Data solution for ISO Base Media File Format and/or Common Encryption (will be used by Clear Key)

https://www.w3.org/Bugs/Public/show_bug.cgi?id=24027

--- Comment #9 from Joe Steele <steele@adobe.com> ---
(In reply to David Dorwin from comment #8)
> (In reply to Joe Steele from comment #7)
> > This looks like a good format. And many (most?) OTT providers should be able
> > to generate this either at packaging time or at license generation time
> > without trouble.
> 
> Yes, but it's not needed at license generation time - the license contains
> the key but not the Initialization Data. On the other hand, an application
> might want to generate valid Initalization Data at license request
> generation time (createSession()).

You are right. I guess I was thinking of generating it on the server as well to
confirm the key prior to sending to the client. But I don't believe we send
this MAC in the key request for ClearKey do we? So it must be validated on the
client side.

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Received on Wednesday, 19 February 2014 23:47:41 UTC