On Mon, Aug 1, 2022 at 3:33 PM Evan Green <evgreen@xxxxxxxxxxxx> 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.
