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Erschienen in:
2010 | OriginalPaper | Buchkapitel
All You Can Eat or Breaking a Real-World Contactless Payment System
(Short Paper)
verfasst von : Timo Kasper, Michael Silbermann, Christof Paar
Erschienen in: Financial Cryptography and Data Security
Verlag: Springer Berlin Heidelberg
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We investigated a real-world contactless payment application based on
mifare
Classic cards. In order to analyze the security of the payment system, we combined previous cryptanalytical results and implemented an improved card-only attack with customized low-cost tools, that is to our knowledge the most efficient practical attack to date. We found several flaws implying severe security vulnerabilities on the system level that allow for devastating attacks including identity theft and recharging the amount of money on the cards. We practically verify and demonstrate the attacks on the commercial system.