Re: [PATCH 03/27] Enforce module signatures if the kernel is locked down

From: David Howells
Date: Thu Nov 02 2017 - 17:30:19 EST


Mimi Zohar <zohar@xxxxxxxxxxxxxxxxxx> wrote:

> By this point, IMA-appraisal has already verified the kernel module
> signature back in kernel_read_file_from_fd(), if it was required.
> ÂHaving a key with which to verify the appended signature or requiring
> an appended signature, should not be required as well.

I guess I don't need to put in any support for IMA here, then, and you've
taken care of it in your patchset such that it won't actually go into
module_sig_check() in that case (or will at least return immediately).

David