linux-kernel - Re: Should we automatically generate a module signing key at all?

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Message-ID: <CALCETrWtbiBtJPsFN3yjNxrq148yOqcOmB419tARQANBfSx75g@mail.gmail.com>
Date:	Tue, 19 May 2015 10:17:02 -0700
From:	Andy Lutomirski <luto@...capital.net>
To:	Mimi Zohar <zohar@...ux.vnet.ibm.com>
Cc:	David Howells <dhowells@...hat.com>,
	Andy Lutomirski <luto@...nel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Michal Marek <mmarek@...e.cz>,
	David Woodhouse <dwmw2@...radead.org>,
	Abelardo Ricart III <aricart@...nix.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Sedat Dilek <sedat.dilek@...il.com>, keyrings@...ux-nfs.org,
	Rusty Russell <rusty@...tcorp.com.au>,
	LSM List <linux-security-module@...r.kernel.org>,
	Borislav Petkov <bp@...en8.de>, Jiri Kosina <jkosina@...e.cz>
Subject: Re: Should we automatically generate a module signing key at all?

On Tue, May 19, 2015 at 8:37 AM, Mimi Zohar <zohar@...ux.vnet.ibm.com> wrote:
> I'm not sure why you're bringing this up at such a late date.   There
> was a kernel summit discussion led by Rusty on kernel module
> verification.  The result of that discussion was to append the signature
> to the kernel modules.  At the same time, Kees Cook was told to define
> an LSM kernel module hook.  IMA is on that hook and can be used to
> verify kernel modules integrity based on either fiel hashes or
> signatures.  The choice is yours.

I didn't notice that discussion.  If I had, I would have suggested this at KS.


--Andy
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