[Discuss] vnc
Dan Ritter
dsr at randomstring.org
Fri Aug 29 07:51:48 EDT 2014
On Thu, Aug 28, 2014 at 11:12:09PM +0000, Edward Ned Harvey (blu) wrote:
> > From: Dan Ritter [mailto:dsr at randomstring.org]
> > Sent: Thursday, August 28, 2014 6:59 PM
> >
> > Suppose we play the game, and I think of a phrase, and you say
> > "the magic word is squeamish ossifrage", and purely by chance,
> > that is what I was thinking of. Is the entropy zero?
>
> What was the probability of me, purely by chance, making that guess? The entropy measurement is not dependent on whether or not I actually succeed in guessing right - it's dependent on the probability that I would succeed in guessing right.
Worse, we don't get to choose our attackers, so it's the
probability of a successful, educated guess by someone in the
set of people who play the game.
-dsr-
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