[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <87harbj47t.fsf@rustcorp.com.au>
Date: Thu, 06 Sep 2012 11:35:26 +0930
From: Rusty Russell <rusty@...tcorp.com.au>
To: Mimi Zohar <zohar@...ux.vnet.ibm.com>
Cc: "Kasatkin\, Dmitry" <dmitry.kasatkin@...el.com>,
David Howells <dhowells@...hat.com>, jmorris@...ei.org,
keyrings@...ux-nfs.org, linux-security-module@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [RFC] module: signature infrastructure
Mimi Zohar <zohar@...ux.vnet.ibm.com> writes:
> On Wed, 2012-09-05 at 09:59 +0930, Rusty Russell wrote:
>> "Kasatkin, Dmitry" <dmitry.kasatkin@...el.com> writes:
>> > Hi,
>> >
>> > Please read bellow...
>> >
>> > On Tue, Sep 4, 2012 at 8:55 AM, Rusty Russell <rusty@...tcorp.com.au> wrote:
>> >> OK, I took a look at the module.c parts of David and Dmitry's patchsets,
>> >> and didn't really like either, but I stole parts of David's to make
>> >> this.
>> >>
>> >> So, here's the module.c part of module signing. I hope you two got time
>> >> to discuss the signature format details? Mimi suggested a scheme where
>> >> the private key would never be saved on disk (even temporarily), but I
>> >> didn't see patches. Frankly it's something we can do later; let's aim
>> >> at getting the format right for the next merge window.
>> >
>> > In our patches key is stored on the disc in encrypted format...
>>
>> Oh, I missed that twist. Thanks for the explanation.
>>
>> On consideration, I prefer signing to be the final part of the "modules"
>> target rather than modules_install. I run the latter as root, and that
>> is wrong for doing any code generation.
>
> Agreed, but keep in mind that 'modules_install' could subsequently strip
> the module.
That had better be part of your signing step then!
Cheers,
Rusty.
--
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