An Improved Biometrics-Based Remote User Authentication Scheme with User Anonymity

Table 3

Comparison of computational load in terms of hash functions.

Phases	Schemes
	Li-Hwang’s [19]	Das’s [26]	An’s [27]	Ours
Registration phase	3 h(·)	3 h(·)	3 h(·)	4 h(·)
Login phase	2 h(·)	2 h(·)	3 h(·)	3 h(·)
Authentication phase	5 h(·)	8 h(·)	6 h(·)	7 h(·)
Total	10 h(·)	13 h(·)	12 h(·)	14 h(·)