Dr. Evil pressed the little lettered thingies in this order...
>
> Thanks for the tip, but... there is a checksum in the CC card, which
> is worth checking. Some others have sent me some code that checks
> that. Or is that no longer valid?
>
Actually, I saw that... and maybe I'm wrong.
When I first started doing eCommerce work (1995), I studied some case
law and one of the credit card companies got succesfully sued for
basing their numbers on a mathematical formula (the premise being that
numbers could be calculated and are therefore insecure). As a result, a
law (or maybe bill?) was written which forbade credit card companies
from using any method other than random number generation (except
for the card company id number). If what others are saying is true
(which I assume it is), then this law must have been overturned (or was
overturned before becoming law). I don't recall how old the case is, so it
may have been a long time ago.
At any rate, I'm interested to see what you come up with now.
Christopher Ostmo
a.k.a. [EMAIL PROTECTED]
AppIdeas.com
Innovative Application Ideas
Meeting cutting edge dynamic
web site needs since the
dawn of Internet time (1995)
For a good time,
http://www.AppIdeas.com/
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