linux-kernel - Re: [PATCH v6 4/6] KEYS: validate certificate trust only with selected owner key

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Date:	Mon, 30 Jun 2014 09:57:47 -0400
From:	Mimi Zohar <zohar@...ux.vnet.ibm.com>
To:	Dmitry Kasatkin <d.kasatkin@...sung.com>
Cc:	David Howells <dhowells@...hat.com>,
	keyrings <keyrings@...ux-nfs.org>,
	linux-security-module <linux-security-module@...r.kernel.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Josh Boyer <jwboyer@...hat.com>,
	Matthew Garrett <mjg59@...f.ucam.org>,
	Dmitry Kasatkin <dmitry.kasatkin@...il.com>
Subject: Re: [PATCH v6 4/6] KEYS: validate certificate trust only with
 selected owner key

On Mon, 2014-06-30 at 16:47 +0300, Dmitry Kasatkin wrote: 
> On 27/06/14 20:44, Mimi Zohar wrote:
> > On Fri, 2014-06-27 at 14:55 +0100, David Howells wrote: 
> >> Mimi Zohar <zohar@...ux.vnet.ibm.com> wrote:
> >>
> >>> This patch defines a new kernel parameter 'keys_ownerid' to identify
> >>> the owner's key which must be used for trust validation of certificates.
> >> "ca_keys" or "only_ca" instead, maybe?
> > Neither of these names reflect the concept of the machine owner or a
> > local key.  The initial patches named it 'owner_keyid'.  If kernel
> > parameters don't need to be prefixed with the subsystem, we could revert
> > the name change or call it localca_keyid.
> >
> > Mimi
> 
> I neither against any of proposals.
> 
> But considering that we use those keys to verify other keys, they become
> ca keys.
> So from that point of view I think 'ca_keys' reflects functionality
> quite ok.
> 
> localca_ prefix is may be not very relevant as builtin keys may
> comesfrom kernel vendor (RH, Ubuntu)
> and is not really local...

Ok.

> so let's decide on 'ca_keys'?

Ok.  This change isn't limited to just the kernel boot parameter name,
but needs to be reflected in the patch description and variable/function
names.

thanks,

Mimi

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