An Advanced Encryption Standard Powered Mutual Authentication Protocol Based on Elliptic Curve Cryptography for RFID, Proven on WISP

Table 5

Performance comparison.

Communication cost	Liao and Hsiao [19]	Zhao [22]	Chou [23]	Zhang and Qi [24]	Our study
Number of steps	3	3	3	3	2
Bytes	168	168	184	160	176