Changing PINs of German bank card

MFPA 2014-667rhzu3dc-lists-groups at riseup.net
Sat Jul 15 16:40:25 CEST 2017


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On Thursday 13 July 2017 at 7:18:41 AM, in
<mid:3e405e1d-507d-255a-b5db-8aa700d4324a at binarus.de>, Binarus wrote:-


> I don't think so. Banking chip cards contain
> mechanisms for local PIN
> verification. You can see that an ATM (or the card)
> immediately decides
> if the PIN is correct or not even if the ATM's
> network connection is
> failing at that moment.

> Banking chip cards furthermore contain a processor
> and software for
> cryptographic operations, so that the endless
> capabilities of modern
> cryptography are at hand. Think of asymmetric methods
> like RSA ...

All of which is irrelevant for online transactions. On the shopping
website, the customer keys in the long card number, the PIN, and the
last three digits from the signature strip. The chip on the card is
not involved.

- --
Best regards

MFPA                  <mailto:2014-667rhzu3dc-lists-groups at riseup.net>

Eat well, stay fit - Die anyway
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