Applying Semigroup Property of Enhanced Chebyshev Polynomials to Anonymous Authentication Protocol

Table 3

Comparison of security properties.

Security properties	Chen et al.’s protocol	Our protocol
Anonymity	No	Yes
Man-in-the-middle attack	No	Yes
DoS attack	Yes	Yes
Mutual authentication among three parties	Yes	Yes
Perfect forward secrecy	Yes	Yes
Provision for revocation of lost or stolen smart card	No	Yes
Insider attack	Yes	Yes
User friendliness	No	Yes
Replay attack	Yes	Yes