lkml.org 
[lkml]   [2018]   [Sep]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 5/5] PM / hibernate: An option to request that snapshot image must be authenticated
Hi Randy, 

On Wed, Sep 12, 2018 at 09:24:38AM -0700, Randy Dunlap wrote:
> Hi,
>
> On 9/12/18 7:23 AM, Lee, Chun-Yi wrote:
> > diff --git a/kernel/power/Kconfig b/kernel/power/Kconfig
> > index 7c5c30149dbc..3c998fd6dc4c 100644
> > --- a/kernel/power/Kconfig
> > +++ b/kernel/power/Kconfig
> > @@ -90,6 +90,17 @@ config HIBERNATION_ENC_AUTH
> > master key of hibernation. The TPM trusted key depends on TPM. The
> > security of user defined key relies on user space.
> >
> > +config HIBERNATION_ENC_AUTH_FORCE
> > + bool "Require hibernate snapshot image to be validly signed"
> > + depends on HIBERNATION_ENC_AUTH
> > + help
> > + This option will prevent that a snapshot image without (valid)
> > + signature be restored. Without this option, a unauthenticated
>
> an
>
> > + snapshot image can be restored but the restored kernel will be
> > + tainted. Which also means that the hibernation can be triggered
>
> s/Which/This/
>
> or like this:
> tainted, which also
>

Thanks for your review and suggestion! I will update the description in
next version.

Regards
Joey Lee

\
 
 \ /
  Last update: 2018-09-13 10:38    [W:0.058 / U:33.972 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site