Enhanced Authentication Protocol for the Internet of Things Environment

Table 4

Comparison of communication overhead.

Protocols			Accumulated communication cost	Total no. of messages
Ours	576 bits	416 bits	992 bits	2
Alzahrani and Mahmood [12]	576 bits	416 bits	992 bits	2
Kumari et al. [20]	992 bits	480 bits	1312 bits	3
Chikouche et al. [13]	832 bits	576 bits	1408 bits	3
Chaudhry et al. [28]	416 bits	768 bits	1184 bits	3
Melki et al. [29]	1344 bits	416 bits	1760 bits	3
Panda and Chattopadhyay [30]	928 bits	576 bits	1504 bits	3