On Thu, Feb 22, 2018 at 01:07:57PM +0000, David Howells wrote:
> I'm considering folding the attached changes into this patch.
> It adjusts the errors generated:
>  (1) If there's no signature (ENODATA) or we can't check it (ENOPKG, ENOKEY),
>      then:
>      (a) If signatures are enforced then EKEYREJECTED is returned.
>      (b) If IMA will have validated the image, return 0 (okay).
>      (c) If there's no signature or we can't check it, but the kernel is
>        locked down then EPERM is returned (this is then consistent with
>        other lockdown cases).
>  (2) If the signature is unparseable (EBADMSG, EINVAL), the signature fails
>      the check (EKEYREJECTED) or a system error occurs (eg. ENOMEM), we return
>      the error we got.
> Note that the X.509 code doesn't check for key expiry as the RTC might not be
> valid or might not have been transferred to the kernel's clock yet.

Looks good. 

Reviewed-by: Jiri Bohac <jbo...@suse.cz>

Jiri Bohac <jbo...@suse.cz>
SUSE Labs, Prague, Czechia

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