Table 5. Performance analysis of authentication schemes

	Registration	Login & Authentication	Total
Khan et al. [7]	2H	7H	9H
Lin and Lai [8]	1H, 1E	3H, 4E	4H, 5E
Li and Hwang [11]	3H	7H	10H
Ko [44]	2 H	14H	16H
Vaidya et al. [45]	4H	9H	13H
Xue et al. [46]	12H	27H	39H
Tseng et al. [47]	5H	10H, 2E	15H,2E
Wang et al. [48]	2H	6H	8H
Shin et al. [49]	3H, 1E	8H, 1E	11H,2E
Our scheme	3H	13H	16H