Trusted Authority Assisted Three-Factor Authentication and Key Agreement Protocol for the Implantable Medical System

Table 2

Comparison of security features.

	Wang et al.’s scheme [13]	Wazid et al.’s scheme [14]	Our scheme
Mutual authentication	×	√	√
Known key security	√	√	√
Perfect forward secrecy	√	√	√
User anonymity	√	√	√
Biometric template privacy	√	√	√
Resisting modification attack	√	√	√
Resisting user impersonation attack	×	√	√
Resisting server(CN) impersonation attack	√	×	√
Resisting man-in-the-middle attack	√	√	√
Resisting stolen-verifier attack	√	√	√
Resisting privileged insider attack	√	√	√
Resisting replay attack	√	√	√
Resisting modification attack	√	√	√
Resisting password guessing attack	√	×	√
Resisting secure key agreement	×	×	√