An Automatic, Time-Based, Secure Pairing Protocol for Passive RFID
This paper introduces the Adopted-Pet (AP) protocol, an automatic (i.e. requiring no human interaction) secure pairing protocol, adequate for the pairing between a passive RFID tag and a reader. Most pairing protocols rely for their security on a certain advantage that the legitimate devices have over any malicious users. Such advantages include proximity (employing near-field communication) or secret keys that are either produced with the assistance of, or verified by, the legitimate user. The advantage exploited by the authors' novel AP protocol is the amount of un-interrupted time spent by the two devices in the proximity (although not requiring near-field communication) of each-other.