... 19 89; Hoare, 19 85), and tool based methodology (Lowe, 19 97; FDR, 19 99). In this paper, the hash (Sarma. Radio Frequency Identification Fundamentals and Applications, Bringing Research to Practice ... {E 1 , t2, ZR4} {E 1 , t4, ZR4} Radio Frequency Identification Fundamentals and Applications, Bringing Research to Practice 16 8 turn generates a random number Rn with it and ... generates a random number Tn and sends this number to the reader. The reader in Radio Frequency Identification Fundamentals and Applications, Bringing Research to Practice 15 8 et al., 2003)...