Cryptanalysis on RFID Authentications Using Minimum Disclosure Approach

Secure authentication of low cost Radio Frequency Identification (RFID) with low computing capacity is a big challenge, as low-cost RFIDs own very-limited resources. Recently, Doss et al. proposed eye-catching RFID authentications, using minimum disclosure approach. These schemes were claimed to own several excellent security properties while required only very low computational complexities on tags. However, we shall examine the securities and show they fail in resisting tag impersonation attack and in protecting forward secrecy. Simple amendments are proposed to enhance the security.