[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <1432297697.2450.53.camel@linux.vnet.ibm.com>
Date: Fri, 22 May 2015 08:28:17 -0400
From: Mimi Zohar <zohar@...ux.vnet.ibm.com>
To: David Howells <dhowells@...hat.com>
Cc: "Luis R. Rodriguez" <mcgrof@...e.com>,
Andy Lutomirski <luto@...capital.net>,
Andy Lutomirski <luto@...nel.org>,
Rusty Russell <rusty@...tcorp.com.au>,
Michal Marek <mmarek@...e.cz>,
Matthew Garrett <mjg59@...f.ucam.org>, keyrings@...ux-nfs.org,
Dmitry Kasatkin <dmitry.kasatkin@...il.com>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
Seth Forshee <seth.forshee@...onical.com>,
LSM List <linux-security-module@...r.kernel.org>,
David Woodhouse <dwmw2@...radead.org>
Subject: Re: [PATCH 0/8] MODSIGN: Use PKCS#7 for module signatures [ver #4]
On Fri, 2015-05-22 at 08:48 +0100, David Howells wrote:
> Luis R. Rodriguez <mcgrof@...e.com> wrote:
>
> > > This is similar to what i am doing right now - create CA hierarchy so we can
> > > have something like:
> > >
> > > +-> KeyB
> > > |
> > > RootCA ---> CertA ---> CertB ---> CertC ---> KeyC
> > > |
> > > +-> CertA' ---> KeyA"
> >
> > How exactly do you go about uploading CertB to the kernel BTW?
>
> Assuming RootCA or CertA is present in the kernel, the idea would be to use
> the add_key() system call or the request_key() mechanism to add the key to the
> system keyring. The key in the cert would only be added to the keyring if it
> is trusted by a key already there.
>From Petko's description, the RootCA is on the system keyring, but CertA
is on a new IMA trusted CA keyring. So everything you said is true,
but on this new, yet to be upstreamed, IMA trusted CA keyring.
Mimi
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists