Thread (91 messages) 91 messages, 11 authors, 2018-12-13

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

From: Sakkinen, Jarkko <hidden>
Date: 2018-12-13 05:52:17
Also in: keyrings, linux-mm

On Thu, 2018-12-13 at 07:49 +0200, Jarkko Sakkinen wrote:
On Thu, 2018-12-13 at 07:27 +0800, Huang, Kai wrote:
quoted
quoted
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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