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

From: Vojtech Pavlik
Date: Thu Sep 26 2013 - 08:23:11 EST

On Thu, Sep 26, 2013 at 02:21:23PM +0200, Michal Marek wrote:

> > 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.

The key should, too.

Vojtech Pavlik
Director SUSE Labs
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