From: Vivek Goyal <vgoyal@redhat.com>
To: Matthew Garrett <mjg59@srcf.ucam.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
Peter Jones <pjones@redhat.com>,
David Howells <dhowells@redhat.com>,
Josh Boyer <jwboyer@redhat.com>,
Kees Cook <keescook@chromium.org>,
keyrings@linux-nfs.org,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [GIT PULL] Load keys from signed PE binaries
Date: Thu, 21 Feb 2013 15:38:43 -0500 [thread overview]
Message-ID: <20130221203843.GD23427@redhat.com> (raw)
In-Reply-To: <20130221203254.GA25166@srcf.ucam.org>
On Thu, Feb 21, 2013 at 08:32:54PM +0000, Matthew Garrett wrote:
> On Thu, Feb 21, 2013 at 03:31:19PM -0500, Vivek Goyal wrote:
> > On Thu, Feb 21, 2013 at 10:56:44AM -0800, Linus Torvalds wrote:
> >
> > [..]
> > > So no. The PE file thing makes no sense what-so-ever. What you mention
> > > we can already do, and we already do it *better*.
> >
> > IIUC, PE/COFF signature verification bits can be useful for verifying
> > the signature of PE/COFF signed bzImage. This verification will be
> > required before kexec decides to load the kernel.
>
> Only if the kexec validation's being done in kernel. We'd need agreement
> on that before it's a justification.
Even if /sbin/kexec does bzImage validation I think it will require
kernel's help. (This is assuming that only /sbin/kexec is signed and we
can't trust user space crypto libraries).
Thanks
Vivek
next prev parent reply other threads:[~2013-02-21 20:38 UTC|newest]
Thread overview: 124+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-21 15:47 [GIT PULL] Load keys from signed PE binaries David Howells
2013-02-21 16:39 ` Linus Torvalds
2013-02-21 16:42 ` Matthew Garrett
2013-02-21 16:58 ` Linus Torvalds
2013-02-21 17:49 ` Matthew Garrett
2013-02-21 18:03 ` Linus Torvalds
2013-02-21 18:11 ` Matthew Garrett
2013-02-22 14:05 ` Peter Jones
2013-02-25 14:46 ` Florian Weimer
2013-02-25 15:42 ` Matthew Garrett
2013-02-25 15:50 ` Florian Weimer
2013-02-25 16:14 ` Matthew Garrett
2013-02-25 16:20 ` Chris Friesen
2013-02-26 21:40 ` Florian Weimer
2013-02-26 22:19 ` Chris Friesen
2013-02-21 18:17 ` David Howells
2013-02-21 18:25 ` Matthew Garrett
2013-02-25 14:33 ` Florian Weimer
2013-02-25 15:42 ` Matthew Garrett
2013-02-21 18:25 ` Linus Torvalds
2013-02-21 18:34 ` Peter Jones
2013-02-21 18:56 ` Linus Torvalds
2013-02-21 19:10 ` Peter Jones
2013-02-21 19:10 ` Matthew Garrett
2013-02-21 20:31 ` Vivek Goyal
2013-02-21 20:32 ` Matthew Garrett
2013-02-21 20:38 ` Vivek Goyal [this message]
2013-03-18 2:12 ` Stephen Rothwell
2013-03-19 18:11 ` David Howells
2013-03-20 16:52 ` David Howells
2013-03-20 23:28 ` Stephen Rothwell
2013-02-21 20:08 ` Theodore Ts'o
2013-02-25 14:28 ` Florian Weimer
2013-02-25 15:45 ` Matthew Garrett
2013-02-26 21:08 ` Florian Weimer
2013-02-25 23:51 ` David Howells
2013-02-26 0:59 ` Greg KH
2013-02-26 2:33 ` Matthew Garrett
2013-02-26 3:02 ` Greg KH
2013-02-26 3:13 ` Matthew Garrett
2013-02-26 3:25 ` Theodore Ts'o
2013-02-26 3:28 ` Matthew Garrett
2013-02-26 3:32 ` Linus Torvalds
2013-02-26 3:42 ` Matthew Garrett
2013-02-26 3:45 ` Linus Torvalds
2013-02-26 3:48 ` Matthew Garrett
2013-02-26 4:31 ` Linus Torvalds
2013-02-26 4:57 ` Matthew Garrett
2013-02-26 15:30 ` Vivek Goyal
2013-02-26 15:38 ` Vivek Goyal
2013-02-27 17:23 ` Eric W. Biederman
2013-02-26 21:30 ` Florian Weimer
2013-02-26 21:40 ` Peter Jones
2013-02-26 22:35 ` Al Viro
2013-02-26 3:40 ` Greg KH
2013-02-26 3:45 ` Matthew Garrett
2013-02-26 3:49 ` Theodore Ts'o
2013-02-26 19:30 ` Florian Weimer
2013-02-26 19:41 ` Matthew Garrett
2013-02-26 3:31 ` Greg KH
2013-02-26 3:38 ` Matthew Garrett
2013-02-26 3:54 ` Greg KH
2013-02-26 4:04 ` Matthew Garrett
2013-02-26 4:13 ` Greg KH
2013-02-26 4:23 ` Matthew Garrett
2013-02-26 4:43 ` Linus Torvalds
2013-02-26 4:59 ` Matthew Garrett
2013-02-26 21:57 ` Geert Uytterhoeven
2013-02-26 22:06 ` Peter Jones
2013-02-27 12:32 ` Geert Uytterhoeven
2013-02-27 12:43 ` Matthew Garrett
2013-02-27 14:14 ` Peter Jones
2013-02-26 4:25 ` Dave Airlie
2013-02-26 4:45 ` Theodore Ts'o
2013-02-26 4:55 ` Dave Airlie
2013-02-26 6:04 ` Theodore Ts'o
2013-02-26 6:38 ` Theodore Ts'o
2013-02-26 10:07 ` Raymond Jennings
2013-02-26 10:21 ` Matthew Garrett
2013-02-26 16:45 ` Kent Yoder
2013-02-26 16:54 ` Peter Jones
2013-02-27 15:24 ` Theodore Ts'o
2013-02-27 17:36 ` Chris Friesen
2013-02-27 17:59 ` Theodore Ts'o
2013-02-27 19:21 ` Chris Friesen
2013-02-27 19:34 ` Theodore Ts'o
2013-02-27 19:14 ` Paolo Bonzini
2013-02-27 21:31 ` Dave Airlie
2013-02-28 6:27 ` Geert Uytterhoeven
2013-02-28 7:48 ` Paolo Bonzini
2013-02-26 19:40 ` Florian Weimer
2013-02-26 19:46 ` Matthew Garrett
2013-02-26 4:50 ` Greg KH
2013-02-28 7:57 ` Florian Weimer
2013-02-28 15:43 ` Chris Friesen
2013-02-28 19:26 ` Florian Weimer
2013-02-28 19:30 ` Matthew Garrett
2013-02-28 19:41 ` Florian Weimer
2013-02-28 19:53 ` Matthew Garrett
2013-02-28 20:23 ` Florian Weimer
2013-02-28 20:31 ` Matthew Garrett
2013-02-26 15:11 ` David Howells
2013-02-26 16:50 ` Greg KH
2013-02-26 13:34 ` Jiri Kosina
2013-02-26 14:16 ` Raymond Jennings
2013-02-27 9:35 ` ownssh
2013-02-27 10:17 ` James Courtier-Dutton
2013-02-27 11:27 ` Alexander Holler
2013-02-27 11:49 ` James Courtier-Dutton
2013-02-27 14:56 ` Matthew Garrett
2013-02-27 20:35 ` ownssh
2013-03-01 18:21 ` Matthew Garrett
2013-03-01 18:39 ` Gene Heskett
2013-02-28 22:48 ` Jiri Kosina
2013-02-28 22:51 ` Matthew Garrett
2013-02-28 23:02 ` Jiri Kosina
2013-02-28 23:05 ` Matthew Garrett
2013-02-28 23:45 ` Jiri Kosina
2013-02-28 23:47 ` Matthew Garrett
2013-02-28 23:52 ` Jiri Kosina
2013-03-01 0:00 ` Matthew Garrett
2013-03-01 0:08 ` Jiri Kosina
2013-03-01 10:00 ` Vojtech Pavlik
2013-03-01 14:30 ` Theodore Ts'o
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