Re: MemoryOverwriteRequestControl

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On Mon, Jul 04, 2016 at 06:03:55PM -0700, James Bottomley wrote:

> It's perhaps arguable that for parity we should set it when an
> encrypted filesystem is mounted and unset it when they're all unmounted
> (that implementation could be an entirely in-os thing for us ...
> probably implemented as some type of "secrets held" reference count). 
>  However, the point I was making is that anything that wants access to
> a sealed or bound secret would likely also like to control this, so it
> should be a property of the TSS (or at least the TSS should be a
> participant in the implementation).

We want to set it the moment anything secret lands in RAM. Tying it to 
TSS doesn't get us that.

-- 
Matthew Garrett | mjg59@xxxxxxxxxxxxx
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