Extending the key expiration date

[David Champion]

On 2001.09.05, in <20010905142745.A2054@akamai.com>,
	"David Shaw" <dshaw@jabberwocky.com> wrote:
> 
> Sure, but you can revoke the key, which trumps the attacker :)

But that requires a key update by any peer who already has your key
locally cached, whereas an irrevocable key expiry does not. Expiry is
a more reliable cap on key abuse in a deep network where you cannot
send updates to every peer who's used your key... or it would be, if it
weren't flawed. :)

-- 
 -D.	dgc@uchicago.edu	NSIT	University of Chicago