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Re: [mentors] Keysign request



On Tue, Jul 03, 2001 at 08:57:08PM +0200, Martin F. Krafft wrote:
> also sprach Taral (on Tue, 03 Jul 2001 01:41:44PM -0500):
[snip]
> > No. Changing the expiration date invalidates the signatures.
> 
> does it? 
[snip]
>   Command> check               <sorry Richard>
>   uid  Martin F. Krafft <madduck@madduck.net>
>   sig!       330C4A75 2001-06-20   [self-signature]
>   sig!       888354F7 2001-07-02   Richard Atterer <email@is.hidden>

No problem, my key is on the key servers anyway! :-)

> but maybe someone can tell me what the subkey (D99FEE8D) is? that's
> for encryption, right? that's not signed by anyone anyway, is it? 
> cause i don't seem to be capable of changing the expiration date on
> that one.

You can, you only need to know how to select it; with "key 1". ;-)

> and besides, i noticed a lot of the keys on debian users are with
> expiration dates. that's a good thing (tm). but judging from the
> wast amounts of signatures some people have collected, i doubt that
> process takes place every year, again and again...

IMHO, expiring encryption keys are a Good Thing. Expiring signature
keys are not. Of course, someone could conceivably, /theoretically/
set up a number cruncher to crack your key with that c00l discrete
logarithm algorithm they knocked up the other day, and succeed after 3
years -- but the web of trust destroyed by the expiration of your key
is a much worse situation, and could allow much more real-life
attacks.

Hm, now that I try to think this through in detail, it doesn't make
sense... why do you have a separate encryption ElGamal key, anyway?

Cheers,

  Richard

-- 
  __   _
  |_) /|  Richard Atterer     |  CS student at the Technische  |  GnuPG key:
  | \/¯|  http://atterer.net  |  Universität München, Germany  |  0x888354F7
  ¯ ´` ¯

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