Security Enhanced Anonymous Multiserver Authenticated Key Agreement Scheme Using Smart Cards and Biometrics

Table 3

Comparison of efficiency measures.

Efficiency measures	D. Yang and B. Yang scheme [10]	Yoon and Yoo scheme [11]	Chuang and Chen scheme [13]	Our scheme
(E1) Single registration	◯	◯	◯	◯
(E2) S/S PW modification	◯	◯	◯	◯
(E3) Fast error detection	◯	◯	◯	◯
(E4) Low computational cost
Registration user
Registration server
Registration RC	)
Login user
Login server
Authentication user
Authentication server
Authentication RC
PW change user
PW change RC