Attribute-Based Anonymous Handover Authentication Protocol for Wireless Networks

Table 1

Security comparisons of four protocols.

	P1	P2	P3	P4	P5	P6
He et al.’s protocol [9]	No	No	No	No	Yes	No
He et al.’s protocol [14]	Yes	No	No	No	Yes	No
Xie et al.’s protocol [19]	Yes	No	No	No	Yes	No
Our protocol	Yes	Yes	Yes	Yes	Yes	Yes

P1, P2, P3, P4, P5, and P6 denote mutual authentication, user anonymity with nontraceability, session key update, conditional privacy preserving, session key establishment, and user revocation, respectively.