Payment Authentication and Mobile Payment Systems. Cmpe 526 Operating System and Network Security Erdem Savaş İlhan. Spring 2005 Boğaziçi University Department of Computer Engineering. Outline. Introduction Security of Electronic Payments SET Recent Authentication Practices
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Operating System and Network Security
Erdem Savaş İlhan
Boğaziçi University Department of Computer Engineering
encrypted with different session keys and dual-signed
If the card number is in a participating card range, the Visa Directory queries the appropriate Issuer Access Control Server to validate cardholder participation and sends the response back to the Merchant Server Plug-in.
Not possible to check with online databases in an offline