Re: [RFC v2 6/6] firmware: add firmware signature checking support

From: Luis R. Rodriguez
Date: Wed May 13 2015 - 14:46:35 EST

On Wed, May 13, 2015 at 11:23:56AM -0700, Luis R. Rodriguez wrote:
> From: "Luis R. Rodriguez" <mcgrof@xxxxxxxx>
> As with module signing, we do a very simple search for a
> particular string appended to the firmware. There's both a
> config option and a boot parameter which control whether we
> accept or fail with unsigned firmware and firmware that are
> signed with an unknown key.
> If firmware signing is enabled, the kernel will be tainted
> if a firmware is loaded that is unsigned or has a signature
> for which we don't have the key.

Sorry this commit log is obviously still from the v1, the cover
letter addresses the changes best...

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