Payment cards. For questions about storing credit card numbers, see also pci-dss. For questions involving the physical object, see also smartcard (if the card has a chip).

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PCI DSS - mask PAN and log individual access to PAN

How do you re-conciliate two PCI DSS requirements in applications: 3.3 Mask PAN when displayed (the first six and last four digits are the maximum number of digits to be displayed), such that only ...
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0answers
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Which keys does a bank typically exchange with a card scheme?

I'm trying to understand the different EMV-related keys that are shared between a bank who issues EMV cards and a card scheme, such as Visa or MasterCard. I understand the bank would typically ...
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0answers
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Dealing with credit card data that is not charged directly

I have a client who is a reseller for vacation packages. For years they've had a payment form on their site where the end user would fill out their credit card data and the information is emailed to ...
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Using chip and pin credit card for authentication?

I'd like to use a chip and pin credit card for authentication, that is to register a card into a system and then use it to log in (it's just a side project with no real use other than securing a ...