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PERFORMANCE OF MULTI SERVER AUTHENTICATION AND KEY AGREEMENT WITH USER PROTECTION IN NETWORK SECURITY

Keywords: Network security , privacy protection , session key , smart card , user authentication

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Abstract:

Using smart cards, remote user authentication and key agreement can be simplified, flexible, and efficient for creating a secure distributed computers environment. Addition to user authenticationand key distribution, it is very useful for providing identity privacy for users. In this paper, we propose novel multi server authentication and key agreement schemes with user protection in network security. We first propose a single-server scheme and then apply this scheme to a multi-server environment. The main meritsinclude: (1) The privacy of users can be ensured; (2) a user canfreely choose his own password; (3) the computation and communication cost is very low; (4) servers and users can authenticate each other; (5) it generates a session key agreed by the server and the user; (6) our proposed schemes are Nonce-based schemes which does not have aserious time synchronization problem.

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