lkml.org 
[lkml]   [2018]   [Feb]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v6 00/11] Intel SGX Driver
On Thu, Feb 08, 2018 at 09:46:53AM +0100, Pavel Machek wrote:
> On Tue 2018-01-09 16:27:30, Jarkko Sakkinen wrote:
> > On Thu, Jan 04, 2018 at 03:17:24PM +0100, Cedric Blancher wrote:
> > > So how does this protect against the MELTDOWN attack (CVE-2017-5754)
> > > and the MELTATOMBOMBA4 worm which uses this exploit?
> > >
> > > Ced
> >
> > Everything going out of L1 gets encrypted. This is done to defend
> > against peripheral like adversaries and should work also against
> > meltdown.
>
> Yeah, but useless against spectre and ability to introduce bit flips
> means this is generally useless...

You are right.

And what I said was simply false. In fact, the encryption is done in
LCC. I'm sorry that I didn't response to my response and gave incorrect
info. I simply forgot to do this, no other excuses.

/Jarkko

\
 
 \ /
  Last update: 2018-02-08 14:49    [W:0.047 / U:0.220 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site