> afterwards ... all corporate
> copying machines were retrofitted with serial number that would appear
> on all copies made.

Ah - I definitely remember the serial numbered copiers, but I never new the 
original reason they did that!  I always figured it was to discourage people 
from using IBM copiers for personal purposes.

> (this was even before DES, coppersmith was still down at
> harvard) 

I really miss being able to contact Don to get quick and accurate answers to 
crypto questions.

Todd Arnold

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