Efficient and Secure Biometric-Based User Authenticated Key Agreement Scheme with Anonymity

Table 3

Performance comparison.

Phases/Schemes	An	Chou et al.	Chang et al.	Kumari et al.	Kaul & Awasthi	Proposed
	[9]	[10]	[12]	[13]	[14]	scheme
Registration phase	3+2	7+5	2+1	4+5	6+3	6+3
Login phase	2+4	5+3	4+3	5+10	8+12	6+3
Authentication phase	7+8+4	17+16	6+2	7+3	6+9	8+6
PW change phase	–	7+6	12+8	5+6	8+12	7+3
Total cost	12+14+4	36+31	24+14	21+24	28+36	27+15
Execution time	2.094 s	0.018 s	0.012 s	0.0105 s	0.014 s	0.0135 s
Memory capacity	640 bits	896 bits	384 bits	768 bits	640 bits	512 bits
Exchange cost	896 bits	1080 bits	768 bits	896 bits	768 bits	768 bits