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

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Date:	Sun, 2 Oct 2011 00:07:45 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Greg KH <greg@...ah.com>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	"H. Peter Anvin" <hpa@...or.com>
Subject: Re: kernel.org status: establishing a PGP web of trust

On Saturday, October 01, 2011, Greg KH wrote:
> On Fri, Sep 30, 2011 at 04:50:37PM -0700, H. Peter Anvin wrote:
> > 2. Create a new PGP/GPG key, and also generate a key revocation
> >    certificate (but don't import it anywhere -- save it for the
> >    future) for your new key.  In the near future we are considering
> >    setting up an escrow service for key revocation certificates.
> > 
> >    I recommend using a 4096-bit RSA key.  Given how fast computers are
> >    these days, there is no reason to use a shorter key.  DSA keys
> >    should be considered obsolete; substantial weaknesses have been
> >    found in DSA.
> > 
> >    $ gpg --gen-key
> >    $ gpg -u <key ID> -o <key ID>.revoke --gen-revoke
> 
> I would recommend a physical access device for your new gpg key that you
> create.  I've heard good things about this USB device:
> 	http://www.crypto-stick.org/
> and am trying to have a bunch of them at the Kernel Summit this year to
> hand out to people if they want one.

This thingie is only capable of operating keys up to 3072-bits it seems.

Thanks,
Rafael
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