Re: [PATCH v11 00/13] Intel SGX1 support

From: Pavel Machek
Date: Tue Jun 19 2018 - 16:04:24 EST


On Tue 2018-06-19 17:59:43, Jarkko Sakkinen wrote:
> On Tue, Jun 12, 2018 at 12:50:12PM +0200, Pavel Machek wrote:
> > On Fri 2018-06-08 19:09:35, 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.
> >
> > Do you intend to allow non-root applications to use SGX?
> >
> > What are non-evil uses for SGX?
> >
> > ...because it is quite useful for some kinds of evil:
>
> The default permissions for the device are 600.

Good. This does not belong to non-root. But question still remains:

What are some non-evil uses for SGX?

Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

Attachment: signature.asc
Description: Digital signature