[48955] in Cypherpunks
Re: Prediction about new credit card number scheme
daemon@ATHENA.MIT.EDU (Simon Spero)
Thu Feb 1 21:57:26 1996
Date: Thu, 1 Feb 1996 18:56:03 -0800 (PST)
From: Simon Spero <ses@tipper.oit.unc.edu>
To: Thomas Grant Edwards <tedwards@Glue.umd.edu>
Cc: cypherpunks@toad.com
In-Reply-To: <Pine.SUN.3.91.960201181356.2008H-100000@hertz.isr.umd.edu>
On Thu, 1 Feb 1996, Thomas Grant Edwards wrote:
>
> >By JOHN MARKOFF AN FRANCISCO --
> >Hoping to remove a major impediment to credit card transactions over the
> >Internet, a business group led by Mastercard International and Visa
> >International plans to announce an industry-standard technology Thursday
> >for protecting the security of electronic payments.
>
> My prediction about the new CC standard: it will be a mistake if they
> don't pass on the details to cypherpunks.
>
> BTW - are any micropayment schemes reving up to commerciality yet???
>
> -Thomas
>
>
>
>
>
(defun modexpt (x y n) "computes (x^y) mod n"
(cond ((= y 0) 1)
((= y 1) (mod x n))
((evenp y) (mod (expt (modexpt x (/ y 2) n) 2) n))
(t (mod (* x (modexpt x (1- y) n)) n))))
