linux-kernel - Re: [PATCH 0/5] MODSIGN: Use PKCS#7 for module signatures

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Date:	Mon, 24 Nov 2014 12:14:07 -0500
From:	Mimi Zohar <zohar@...ux.vnet.ibm.com>
To:	David Howells <dhowells@...hat.com>
Cc:	Dmitry Kasatkin <d.kasatkin@...sung.com>, mmarek@...e.cz,
	rusty@...tcorp.com.au, vgoyal@...hat.com, keyrings@...ux-nfs.org,
	linux-security-module@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/5] MODSIGN: Use PKCS#7 for module signatures

On Mon, 2014-11-24 at 16:13 +0000, David Howells wrote: 
> David Howells <dhowells@...hat.com> wrote:
> 
> > > Actually after cleaning the tree and re-signing the modules, I get following
> > > 
> > > Unrecognized character \x7F; marked by <-- HERE after <-- HERE near
> > > column 1 at ./scripts/sign-file line 1.
> > > make[1]: *** [arch/x86/crypto/aes-x86_64.ko] Error 255
> > 
> > warthog>grep -r sign-file Makefile 
> > mod_sign_cmd = perl $(srctree)/scripts/sign-file $(CONFIG_MODULE_SIG_HASH) $(MODSECKEY) $(MODPUBKEY)
> > 
> > Because of that.  I need to remove the 'perl' bit.
> 
> It's a little more involved than that.  The X.509 cert being passed to the
> program is binary, whereas the one I've been testing with is PEM encoded - and
> libssl has separate routines that don't work out for themselves which encoding
> is in force.  Proposed changes below.

With this patch, I'm now able to install and boot the new kernel and
modules.

Mimi

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