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

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Message-ID: <20111001140519.GA26662@kroah.com>
Date:	Sat, 1 Oct 2011 07:05:19 -0700
From:	Greg KH <greg@...ah.com>
To:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Cc:	"H. Peter Anvin" <hpa@...or.com>
Subject: Re: kernel.org status: establishing a PGP web of trust

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.

There are also lots of other smart-card form-factor devices that can be
used to store GPG keys.  Some places to purchase these can be found at
links from the above site.

thanks,

greg k-h
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