Lightweight Cryptography and RFID: Tackling the Hidden Overheads

Dipl.-Kfm. Axel Poschmann, Matt Robshaw, Frank Vater, Chris­tof Paar

7th International ConferenceInternational Conference on Information Security and Cryptology 2009 - ICISC 2009. LNCS, Springer-Verlag, to appear, Seoul, Korea, Dezember 2-4, 2009.


The field of lightweight cryptography has developed significantly over recent years and many impressive implementation results have been published. However these results are often concerned with a core computation and when it comes to a real implementation there can be significant hidden overheads. In this paper we consider the case of cryptoGPS and we outline a full implementation that has been fabricated in ASIC. Interestingly, the implementation requirements still remain within the typically-cited limits for on-the-tag cryptography.