A Secure Authentication Scheme with Anonymity and Unlinkability for Wireless Communications
XU Shu-min · Information Security and Communications Privacy · 2010
In a client-server authentication protocol,anonymity means that the server could not know the identity of the client,although be able to authenticate the client. This paper,for authentication protocols,proposes a special requirement—unlinkability,which serves as a complement to the anonymity,and the security of the design in certain paper is strengthened by addressing the unlinkability without reducing the authentication efficiency. The resulting amendment provides the functions of identity protection,unlinkability,mutual authentication,key exchange,key update,key backward secrecy and password modification.