RE: Biham's paper on 64-bit DES implementations

Johan Hartzenberg (
Thu, 24 Apr 1997 09:48:28 +0200

> I've read Biham's paper on this stuff- I assume he was
>referring to the idea of viewing a 64-bit CPU as a SIMD machine that
>will do 64 one-bit operations at the same time.

This, if I remember correctly, is exactly what those (presumably
non-existing) dedicated hardware DES crackers do. And if we start using
bigger key-size DES implementations, then "they" will suddenly need new

(Perverts, I tell you, all of "them")