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

Table 2

Comparison of attack resistance.

Attack resistance	D. Yang and B. Yang scheme [10]	Yoon and Yoo scheme [11]	Chuang and Chen scheme [13]	Our scheme
(A1) Replay attack	◯		◯	◯
(A2) Modification attack	◯	◯	◯	◯
(A3) Stolen-verifier attack	◯	◯	◯	◯
(A4) Off-line guessing attack	◯		◯	◯
(A5) Forgery attack	◯		◯	◯
(A6) Insider attack			◯	◯
(A7) Masquerade attack				◯
(A8) Smart card attack	◯			◯
(A9) User impersonation attack	◯	◯		◯
(A10) DoS attack				◯