Secure recharge of disposable RFID tickets

  • Authors:
  • Riccardo Focardi;Flaminia L. Luccio

  • Affiliations:
  • DAIS, Università Ca' Foscari Venezia, Italy;DAIS, Università Ca' Foscari Venezia, Italy

  • Venue:
  • FAST'11 Proceedings of the 8th international conference on Formal Aspects of Security and Trust
  • Year:
  • 2011

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Abstract

We study the Mifare Ultralight cards in detail, and we present a new secure method for the recharge of these RFID disposable tickets that also extends to the case of multiple resources on a single device. We specify a formal but yet realistic semantics of these cards, and we also define a simple imperative language suitable to program secure APIs. In fact, the language is provided with a type-system enforcing security properties on resources stored in the card.