linux-kernel - Re: [PATCH v1] sefltest/ima: support appended signatures (modsig)

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Date:   Wed, 28 Aug 2019 20:01:37 -0400
From:   Mimi Zohar <zohar@...ux.ibm.com>
To:     Thiago Jung Bauermann <bauerman@...ux.ibm.com>
Cc:     linux-integrity@...r.kernel.org, Petr Vorel <pvorel@...e.cz>,
        Jessica Yu <jeyu@...nel.org>, Dave Young <dyoung@...hat.com>,
        shuah <shuah@...nel.org>, linux-kselftest@...r.kernel.org,
        linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1] sefltest/ima: support appended signatures (modsig)

On Wed, 2019-08-28 at 20:38 -0300, Thiago Jung Bauermann wrote:
> Hello Mimi,
> 
> Mimi Zohar <zohar@...ux.ibm.com> writes:
> 
> > In addition to the PE/COFF and IMA xattr signatures, the kexec kernel
> > image can be signed with an appended signature, using the same
> > scripts/sign-file tool that is used to sign kernel modules.
> >
> > This patch adds support for detecting a kernel image signed with an
> > appended signature and updates the existing test messages
> > appropriately.
> >
> > Reviewed-by: Petr Vorel <pvorel@...e.cz>
> > Signed-off-by: Mimi Zohar <zohar@...ux.ibm.com>
> 
> Thanks for doing this!

You're welcome.  This isn't in lieu of a proper regression test that
verifies the IMA measurement list template modsig and d-modsig data
fields.  That still needs to be written.

thanks,

Mimi