Re: [RFC V4 PATCH 00/15] Signature verification of hibernate snapshot

From: Michal Marek
Date: Thu Sep 26 2013 - 08:21:43 EST


On 26.9.2013 14:06, Pavel Machek wrote:
> Actually...
>
> Is not it as simple as storing hash of hibernation image into NVRAM
> and then verifying the hash matches the value in NVRAM on next
> startup? No encryption needed.

I think that part of the exercise is to minimize the number of writes to
the NVRAM. The hash changes with every hibernation, obviously.

Michal
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