Re: [PATCH v6 00/11] Intel SGX Driver

From: Jarkko Sakkinen
Date: Thu Dec 14 2017 - 06:19:12 EST


On Tue, Dec 12, 2017 at 03:07:50PM +0100, Pavel Machek wrote:
> On Sat 2017-11-25 21:29:17, Jarkko Sakkinen wrote:
> > Intel(R) SGX is a set of CPU instructions that can be used by applications to
> > set aside private regions of code and data. The code outside the enclave is
> > disallowed to access the memory inside the enclave by the CPU access control.
> > In a way you can think that SGX provides inverted sandbox. It protects the
> > application from a malicious host.
>
> Would you list guarantees provided by SGX?
>
> For example, host can still observe timing of cachelines being
> accessed by "protected" app, right? Can it also introduce bit flips?
>
> Pavel

I'll put this in my backlog. Thank you.

/Jarkko