Tagged Questions
2
votes
1answer
164 views
How does paypal store credit card numbers?
This is just a question for my curiosity, but I was wondering how Paypal stores the credit card numbers?
Did they release any informations about it?
As for now I would say that they encrypt the card ...
2
votes
1answer
96 views
Credit card data - sharing and storage [duplicate]
What is the industry standard for sharing credit card data between client (thin & thick) and server?
4
votes
1answer
179 views
Has the wedge security flaw been fixed for credit cards?
According to this site http://www.lightbluetouchpaper.org/2009/08/25/defending-against-wedge-attacks/ there is a flaw in EMV. Since then has this flaw been fixed?
Is it the same law as the one ...
5
votes
3answers
3k views
What is the DUKPT Key Derivation Function?
I'm tasked with decrypting ciphertext acquired from an encrypted card reader. The card reader utilizes DUKPT(derived unique key per transaction) scheme and 3DES encryption. I don't have a problem with ...
