September 5, 2022
Be Prepared: The EMV Pre-play Attack
Abstract—EMV, also known as “Chip and PIN”, is the
leading system for smartcard-based payments worldwide; it
is widely deployed in Europe and is starting to be introduced
in the USA too. It replaces the familiar mag-strip cards with
chip cards. A cryptographic protocol is executed between a
chip card and bank servers based on a message authentication
code (MAC) over transaction data, including a nonce called
the unpredictable number.
We discovered two protocol flaws: first, the lack of a.....
The best quality at a good price. #skimming #skimmer
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