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EMV chip authentication: the conversation behind every chip transaction
The same use case told visually, ready to present. Speaker notes carry the full explanation.
Payments
EMV chip authentication
The cryptographic conversation behind every chip transaction
EMV chip authentication: the conversation behind every chip transaction · Classical Crypto Today1 / 4
Session keys
A fresh key for every transaction
EMV chip authentication: the conversation behind every chip transaction · Classical Crypto Today2 / 4
ARQC and ARPC
Card and issuer prove themselves to each other
EMV chip authentication: the conversation behind every chip transaction · Classical Crypto Today3 / 4
Online versus offline
Not every chip transaction reaches the issuer
EMV chip authentication: the conversation behind every chip transaction · Classical Crypto Today4 / 4
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