linux-kernel - Re: kernel.org status: establishing a PGP web of trust

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Message-Id: <201110020304.28288.rjw@sisk.pl>
Date:	Sun, 2 Oct 2011 03:04:28 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Greg KH <gregkh@...e.de>
Subject: Re: kernel.org status: establishing a PGP web of trust

On Sunday, October 02, 2011, H. Peter Anvin wrote:
> On 10/01/2011 02:33 PM, Rafael J. Wysocki wrote:
> > 
> > OK, how long should the new key be valid?
> > 
> 
> That is a good question.  At the very least you want it to be valid for
> long enough that you will be able to get enough signatures on a new key
> *before* your old key expires.  As such I would recommend 3-5 years
> depending on how much you trust yourself to keep the key secure.

OK, I'm taking this as "5 years is fine by us". :-)

And the recommended procedure for rotating keys seems to be (1) generate
a new key and (2) make as many people as you can sign it before the old
one expires, right?

> Some people have decided to opt for an unlimited key, but that
> *requires* that you have a way to revoke the old key, which is why we
> are considering a key revocation escrow service.

That service will be necessary anyway in case some keys are lost or
compromised.

I wonder what the procedure of restoring kernel.org access in case one
has lost keys is supposed to be?

Rafael
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