A Secure and Lightweight Three-Factor Remote User Authentication Protocol for Future IoT Applications

Table 4

Computation overhead comparison.

Protocols	User	Sensor nodes	nodes	Total cost	Total estimation
[1]					0.66 ms
[8]					1.04 ms
[33]					0.44 ms
[45]					0.96 ms
[50]					3.18 ms
[60]					0.6 ms
Ours					0.36 ms