Another highlight for us at CCC was [Karsten Nohl] and [Henryk Plötz] presenting how they reversed Philips crypto-1 “classic” Mifare RFID chips which are used in car keys, among other things.
This tool provides several features to interact with (and only with) MIFARE Classic RFID-Tags. It is designed for users who have at least basic familiarity with the MIFARE Classic technology. You also ...