Path: utzoo!attcan!uunet!dino!sharkey!mailrus!accuvax.nwu.edu!nucsrl!telecom-request
From: mpd@anomaly.sbs.com (Michael P. Deignan)
Newsgroups: comp.dcom.telecom
Subject: Re: ATM at Retailers (was: Voice Mail Passwords)
Message-ID: <12712@accuvax.nwu.edu>
Date: 26 Sep 90 21:35:30 GMT
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X-Telecom-Digest: Volume 10, Issue 688, Message 6 of 10


motcid!king@uunet.uu.net (Steven King) writes:

>A one way algorithm?  Pray, how does the bank decode it to verify you?
>A gigantic lookup table?

They don't decode it, they encode the PIN you provide and then compare
the encrypted value of the PIN you entered against the encrypted PIN
on the magstripe.


Michael P. Deignan, President     -- Small Business Systems, Inc.
Domain: mpd@anomaly.sbs.com       -- Box 17220, Esmond, RI 02917 
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