[1296] in bugtraq
Re: Non-PK encryption not vulnerable via low key length?!
daemon@ATHENA.MIT.EDU (John B. Brown)
Fri Mar 17 18:42:38 1995
Date: Fri, 17 Mar 1995 15:44:25 -0500
From: "John B. Brown" <jbb@cs.umb.edu>
To: bugtraq@fc.net, jhill@srd.bt.co.uk
Dear Jake,
> Very true, but note that exhaustive searching of small key spaces (say
> <2^64 keys) is becoming possible on dedicated hardware. Someone (can't
> remember who) proposed a machine for searching the DES keyspace in a few
> _days_, which you could build for about $1M. For what it's worth, $1B would
> buy you a machine to do it in a few hours.
> Anyway, I think we're getting a little bit tangental now...
> Regards,
> Jake.
That was Michael J. Wiener of Bell Northern Research in 1993.
The paper is 'Efficient DES Key Search'. His proposed machine would have
cost about $1M and would have found a key in about 3.5 hours.
Shalom,
JBB.
