Crypto suggestion - re: Fatal Flaws in Credit Cards
Nathaniel Borenstein
nsb at nsb.fv.com
Sat Feb 3 12:50:48 PST 1996
Excerpts from mail.cypherpunks: 3-Feb-96 Crypto suggestion - re: Fat..
Bill Stewart at ix.netcom.c (2735*)
> Nathaniel's written about the "fatal flaw" in any system that
> involves typing credit card numbers into your computer being that
> they're easy for a keyboard-sniffer or similar cracker to recognize.
> An obvious work-around for this (and for many of the problems with
> Social Security / Taxpayer ID numbers) is to use some sort of smartcard
> that generates one-shot numbers that the credit card company (or tax thugs)
> can map back to the "real" owner's ID.
Absolutely true. If you go back to my original post, I mentioned smart
cards as one possible solution. Once you add smart cards, you don't
have the system I described as fatally flawed, which is software-only
encryption of credit card numbers. -- NB
--------
Nathaniel Borenstein <nsb at fv.com>
Chief Scientist, First Virtual Holdings
FAQ & PGP key: nsb+faq at nsb.fv.com
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