Enhanced Authentication Protocol for the Internet of Things Environment

Table 3

Computational cost of the proposed protocol.

Protocols			Total computation
Ours	4 4.252 ms	5 0.0135 ms	4.2655 ms
Alzahrani and Mahmood [12]	3 3.189 ms	5 0.0135 ms	3.2025 ms
Kumari et al. [20]	3  + 6 9.861 ms	4  + 6 0.0354 ms	9.8964 ms
Chikouche et al. [13]	5  + 5 10.874 ms	4  + 5 0.0313 ms	10.9053 ms
Chaudhry et al. [28]	7 + 2  + 2 12.107 ms	6  + 2  + 2 0.0298 ms	12.1368 ms
Melki et al. [29]	5 5.314 ms	5 0.0135 ms	5.3275 ms
Panda and Chattopadhyay [30]	4  + 5 9.812 ms	5  + 5 0.034 ms	9.8460 ms