Re: (getting off topic) Re: ATM card pins

Rabid Wombat (wombat@mcfeely.bsfs.org)
Wed, 5 Aug 1998 14:05:19 -0400 (EDT)

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The card doesn't have the DES key, each ATM does.

-r.w.

On Thu, 6 Aug 1998, Mike Stay wrote:

> >> > In fact, if I'm remembering right, the ATM send the PIN to the bank
> >> > encrypted such that the clearing house doesn't see it.
> >>
> >> Hmmm, I wonder how good THAT encryption is.
> >>
> >
> >DES - and we know how good that is.
>
> Except for the fact that the encrypted data on the card is nowhere near
> 8 bytes...
>
> --
> Mike Stay
> Cryptographer / Programmer
> AccessData Corp.
> mailto:staym@accessdata.com
>

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