[RFC v2 00/13] Multi-Key Total Memory Encryption API (MKTME)

Sakkinen, Jarkko jarkko.sakkinen at intel.com
Thu Dec 13 05:52:12 UTC 2018


On Thu, 2018-12-13 at 07:49 +0200, Jarkko Sakkinen wrote:
> On Thu, 2018-12-13 at 07:27 +0800, Huang, Kai wrote:
> > > This all should be summarized in the documentation (high-level model and
> > > corner cases).
> > 
> > I am not sure whether it is necessary to document L1TF explicitly, since it
> > is
> > quite obvious that MKTME doesn't prevent that. IMHO if needed we only need
> > to
> > mention MKTME doesn't prevent any sort of cache based attack, since data in
> > cache is in clear.
> > 
> > In fact SGX doesn't prevent this either..
> 
> Sorry, was a bit unclear. I meant the assumptions and goals.

I.e. what I put in my earlier response, what belongs to TCB and what
types adversaries is pursued to be protected.

/Jarkko



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