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Re: [Xen-devel] [Xen-users] UEFI Secure Boot Xen 4.9



On Wed, Aug 30, 2017 at 10:16:23AM -0600, Tamas K Lengyel wrote:
> On Tue, Aug 29, 2017 at 2:01 PM, Daniel Kiper <daniel.kiper@xxxxxxxxxx> wrote:
> > Hey Tamas,
> >
> > Sorry for late reply. I was on vacation.
> >
> > On Tue, Aug 22, 2017 at 09:01:06PM -0600, Tamas K Lengyel wrote:
> >> On Tue, May 16, 2017 at 5:04 AM, Daniel Kiper <daniel.kiper@xxxxxxxxxx> 
> >> wrote:
> >
> > [...]
> >
> >> > UEFI will verify shim secure boot signature then shim will verify GRUB2
> >> > signature then GRUB2 will verify (with shim protocol) Xen signature and
> >> > finally Xen will verify (with shim protocol) Linux kernel signature. Then
> >> > your kernel can verify modules using whatever you want.
> >> >
> >> >> I would be happy to work to help achieve this.
> >> >
> >> > There is a chance that I will have something very raw at the beginning
> >> > of June. If you wish to do tests drop me a line.
> >>
> >> Hi Daniel,
> >> is there any news on this? I would be interested in giving this a shot too.
> >
> > Please look at
> >
> >   https://lists.xen.org/archives/html/xen-devel/2017-07/msg00982.html
> >
> > and at
> >
> >   https://lists.xen.org/archives/html/xen-devel/2017-07/msg00985.html
> >
> > Attachments contain the same patches as above but rebased on latest
> > GRUB2 and Xen git repositories.
> >
> > Due to some travel I am going to restart work on this in the second
> > half of September.
> >
> > If you have any questions please drop me a line.
> >
>
> Hi Daniel,
> thanks for the update, I'll give it a shot today to set it up. In a
> somewhat related note, are you aware of any work on getting secure
> boot + UEFI working in a guest? There is a PoC patch on OpenXT
> (https://github.com/OpenXT/xenclient-oe/pull/729) but was wondering if
> there are any parallel efforts ongoing.

I do not follow this issue in detail. However, I suppose that if OVMF
supports UEFI secure boot (well, QEMU has to enable SMM support too;
I do not know does it work with Xen or not) then guest should work
without any issue. Just guessing...

Daniel

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