Re: [PATCH 0/2] crypto: KEYS: convert public key to akcipher api

From: Mimi Zohar
Date: Thu Dec 10 2015 - 16:56:39 EST


On Thu, 2015-12-10 at 14:37 -0500, Mimi Zohar wrote:
> On Thu, 2015-12-10 at 10:39 -0800, Tadeusz Struk wrote:
> > Hi Mimi,
> > On 12/10/2015 10:25 AM, Mimi Zohar wrote:
> > >> This patch set converts the module verification and digital signature
> > >> > code to the new akcipher API.
> > >> > RSA implementation has been removed from crypto/asymmetric_keys and the
> > >> > new API is used for cryptographic primitives.
> > >> > There is no need for MPI above the akcipher API anymore.
> > >> > Modules can be verified with software as well as HW RSA implementations.
> > > With these two patches my system doesn't even boot. Digging deeper...
> > >
> >
> > It needs RSA implementation built-in.
> > Could you check if you have CONFIG_CRYPTO_RSA=y
>
> The diff between this config and the previous one:
> < CONFIG_CRYPTO_AKCIPHER=y
> < CONFIG_CRYPTO_RSA=y
> ---
> > # CONFIG_CRYPTO_RSA is not set

FYI, dracut loaded the keys on the IMA keyring properly. When we try to
pivot root, real root /sbin/init fails appraisal. The audit subsystem
is showing "invalid-signature".

There's no additional debugging information with the boot command line
options rd.debug or systemd.log_level=debug.

Mimi


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