[PATCH 00/10] Encrypted Hibernation
Jarkko Sakkinen
jarkko at kernel.org
Thu Aug 4 00:59:30 UTC 2022
On Tue, Aug 02, 2022 at 11:36:43AM -0700, Matthew Garrett wrote:
> On Mon, Aug 1, 2022 at 3:33 PM Evan Green <evgreen at chromium.org> wrote:
>
> > One more bump here, as we'd really love to get encrypted hibernation
> > to a form upstream would accept if at all possible. We were
> > considering landing this in our Chrome OS tree for now, then coming
> > back in a couple months with a "we've been baking this ourselves and
> > it's going so great, oooh yeah". I'm not sure if upstream would find
> > that compelling or not. But in any case, some guidance towards making
> > this more upstream friendly would be well appreciated.
> >
> > One thing I realized in attempting to pick this myself is that the
> > trusted key blob format has moved to ASN.1. So I should really move
> > the creation ticket to the new ASN.1 format (if I can figure out the
> > right OID for that piece), which would allow me to drop a lot of the
> > ugly stuff in tpm2_unpack_blob(). Maybe if I get no other comments
> > I'll work on that and resend.
>
> I've been revamping my TPM-backed verified hibernation implementation
> based on this work, so I'd definitely be enthusiastic about it being
> mergeable.
BTW, is it tested with QEMU + swtpm?
BR, Jarkko
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