Re: [GIT PULL] Crypto keys and module signing
From: Nick Bowler
Date: Mon Dec 12 2011 - 09:13:20 EST
On 2011-12-10 12:50 +0000, David Howells wrote:
> Arkadiusz MiÅkiewicz <a.miskiewicz@xxxxxxxxx> wrote:
> > and prehaps kernel could load keys from initramfs?
>
> How do you trust the keys? If you have a TPM, then yes you can do that.
Exactly the same way you trust the kernel image itself. If you can't
trust the integrity of your initramfs (and thus the keys stored within
it), then you also cannot trust the integrity of the kernel image and
thus this whole signing exercise is moot.
Cheers,
--
Nick Bowler, Elliptic Technologies (http://www.elliptictech.com/)
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