*** Flash - N.Y. Times on Clipper Flaw **

[remail at desert.hacktic.nl]

> ...
> HOW THE CLIPPER TECHNOLOGY IS FLAWED
>
> 1. Taking advantage of desing imperfections, people trying to defeat the
> system could repeatedly alter the LEAF until it erroneously passed the
> "checksum" verification, despite an invalid session-key number.

This sounds like a very simple computation.  How much would it cost 
to fab up some chips to do this, and solder them into the circuitry 
next to the Clipper chip?  Or is there an even easier way to do this?