linux-kernel - Re: [GIT PULL] Asymmetric keys and module signing

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Date:	Thu, 04 Oct 2012 08:52:51 +0930
From:	Rusty Russell <rusty@...tcorp.com.au>
To:	David Howells <dhowells@...hat.com>
Cc:	dhowells@...hat.com, herbert@...dor.hengli.com.au,
	pjones@...hat.com, jwboyer@...hat.com,
	linux-crypto@...r.kernel.org,
	linux-security-module@...r.kernel.org,
	linux-kernel@...r.kernel.org, keyrings@...ux-nfs.org
Subject: Re: [GIT PULL] Asymmetric keys and module signing

David Howells <dhowells@...hat.com> writes:

> Rusty Russell <rusty@...tcorp.com.au> wrote:
>
>> Right.  I think we need to use different names for generated vs supplied
>> files
>
> The problem with supplied files is people who do allyesconfig, allmodconfig
> and randconfig just to test things finding that their builds break.  The
> kernel build magic is not really set up to handle external files like this.  I
> suppose make logic can be used to conditionally include stuff that might not
> exist.
>
>> BTW, you missed a Signed-off-by: on your "MODSIGN: Use the same digest
>> for the autogen key sig as for the module sig" patch.  Please update.
>
> Done.
>
> I've also added a patch to convert the system clock to a struct tm and to
> produce a struct tm within the ASN.1 decode and then compare those rather than
> time_t values as a way to deal with the validity time overflow problem.  We
> may have to be able to handle certificates that we haven't generated that
> stretch beyond 2038 (I wonder if we might find such in the UEFI key database
> for example.

OK, cherry-picked to replace my hack.

It's in linux-next, and I will push in the next two days.

Thanks,
Rusty.
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