Abstract: Aiming at the securing hole of current ownership transfer protocol,a ultra-lightweight RFID mutual aut- hentication of ownership transfer protocol was proposed.The formal proof of the proposed authentication protocol was given based on GNY logic.It improves the reader and the tag in an open environment confidentiality of communications,which not only solves problems of Denial of Service (DoS) that are produced when the attacker replays the message,but also achieves the reader and the tag mutual authentication function through changing protocols interact.This paper analyzed the security and compared the performance of the protocol.The results show that the proposed protocol not only satisfies the security requirements of transfer of ownership,but also has the characteristics of ultra-lightweight,which indicates that it is suitable for actual mobile authentication environment.

Key words: RFID,DoS attack,Ultra-lightweigh,Ownership transfer protocol,GNY logic