lkml.org 
[lkml]   [2017]   [Feb]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: Fwd: Re: [tpmdd-devel] [PATCH v9 2/2] tpm: add securityfs support,for TPM 2.0 firmware event log
On Tue, Jan 31, 2017 at 05:31:50PM -0500, Mimi Zohar wrote:
> On Wed, 2017-02-01 at 08:46 +1100, James Morris wrote:
> > On Tue, 31 Jan 2017, Jarkko Sakkinen wrote:
> >
> > > James,
> > >
> > > The discussion is about two features:
> > >
> > > 1. Extension to tpm_pcr_extend() (used by IMA) to extend all PCR banks
> > > instead of just SHA-1 banks. It is recommended by TCG to do so in
> > > order to prevent malicious use of PCRs.
> > > 2. TPM 2.0 event log with backend support for OF device tree (for
> > > getting address where you can grab it).
> > >
> > > These are required as baseline to implement full TPM 2.0 support for
> > > IMA. The commits are fairly well baked and went through many iterations.
> > > I've tested tpm_pcr_extend() patches. I haven't tested event log patches
> > > but have extensively reviewed them and Ken Goldman has tested them with
> > > POWER hardware.
> > >
> > > I don't believe that there is major risk to put them already into 4.11
> > > but it is fairly late so I just want a second opinion before putting
> > > them into pull request.
> > >
> >
> > I'll take this for 4.11. IMA + TPM 2.0 is still developmental and not in
> > wide use, afaik.
>
> Thank you! FYI, I've been running with them as well.
>
> Mimi

OK, so can I also add your Tested-by to these four commits?

/Jarkko

\
 
 \ /
  Last update: 2017-02-01 11:30    [W:0.060 / U:73.048 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site