[Bug 17202] New: Explicitly document how keys are to be shared

https://www.w3.org/Bugs/Public/show_bug.cgi?id=17202

           Summary: Explicitly document how keys are to be shared
           Product: HTML WG
           Version: unspecified
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P3
         Component: Encrypted Media Extensions
        AssignedTo: adrianba@microsoft.com
        ReportedBy: ddorwin@google.com
         QAContact: public-html-bugzilla@w3.org
                CC: mike@w3.org, public-html-wg-issue-tracking@w3.org,
                    public-html@w3.org
        Depends on: 16615


While the algorithms probably cover this, it would be helpful to explicitly
state how keys may be shared. We want to prevent different behavior that could
lead to pages that make assumptions that are not true for all implementations.

The current intent is that keys/licenses are shared for all streams (i.e. audio
and video) in a single media element but are NOT shared between media elements
(whether in a given page or different pages). CDMs should ensure that keys
don't leak between elements.

Bug 16615 proposes a specific scenario where sharing might be allowed.

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Received on Friday, 25 May 2012 23:28:24 UTC