Re: [PATCH 3/6] firmware: differentiate between signed regulatory.db and other firmware

From: Mimi Zohar
Date: Tue May 15 2018 - 13:38:08 EST


On Tue, 2018-05-15 at 08:32 -0400, Josh Boyer wrote:

> One aspect that was always a concern to some is whether the firmware files
> were modified directly to have the signature attached to them. That may
> run afoul of the "no modification" license that most blobs are shipped
> under. Does IMA have the signatures for the files stored in xattrs or in
> some other detached manner?

They're stored as xattrs. ÂRPM has support for including file
signatures in the RPM header.

Mimi