[4950] in cryptography@c2.net mail archive
Re: Bridge
daemon@ATHENA.MIT.EDU (Sandy Harris)
Wed Jun 23 23:02:43 1999
Date: Wed, 23 Jun 1999 18:20:34 -0400
From: Sandy Harris <sandy.harris@sympatico.ca>
To: cryptography@c2.net
Russell Nelson wrote:
> Plus, the source of the entropy and algorithm used to create the
> bridge hands merely need to be auditable. As long as the hands are
> based on some public source of entropy (e.g. the day's stock market)
> plus a letter publicly chosen by each of the participants (that's four
> bits of entropy on a good day), run through an OSI certified(tm) Open
> Source algorithm, everyone can calculate for themselves what the hands
> should be.
>
> It's almost a non-issue.
But if anyone can calculate the hands before the tournament, or
opposing player's hands during it, it's a disaster. Even if they
can significantly improve their guessing, it is a serious problem.
