An Identity-Based Anonymous Three-Party Authenticated Protocol for IoT Infrastructure

Table 6

Communication cost of the proposed and related schemes.

Schemes	No. of messages exchanged	Cost of registration phase	Cost of login authentication	Total cost
Ours	3	672	1344	2016
He et al. [67]	6	928	3776	4704
Challa et al. [68]	5	512	2976	3488
Ma et al. [69]	8	832	4704	5536
Taher et al. [70]	8	3392	5440	8832
Chandrakar and Om [71]	8	2368	3360	5728
Lu et al. [72]	5	672	2944	3616
Mo and Chen [73]	6	2112	4504	6616