Operative and Secured Privacy enhanced Location Based Services System
Author(s):
M.Shakul Hameed, V.Indurani
Keywords:
Wireless sensor networks, certificate less public key cryptography, key management scheme
Abstract
Location based services (LBS) are becoming increasingly important to the success and attractiveness of next generation wireless systems. However, a natural tension arises between the need for user privacy and the flexible use of location information. In this paper we present a framework to support privacy enhanced location based services using a certificate less-effective key management (CL-EKM) protocol for secure communication. The CL-EKM supports efficient key updates when a node leaves or joins a cluster and ensures forward and backward key secrecy. Recently, wireless sensor networks (WSNs) have been deployed for a wide variety of applications, including military sensing and tracking, patient status monitoring, traffic flow monitoring, where sensory devices often move between different locations. Securing data and communications requires suitable encryption key protocols. In this paper, we propose a certificate less-effective key management (CL-EKM) protocol for secure communication in dynamic WSNs characterized by node mobility. The CL-EKM supports efficient key updates when a node leaves or joins a cluster and ensures forward and backward key secrecy. The protocol also supports efficient key revocation for compromised nodes and minimizes the impact of a node compromise on the security of other communication links. A security analysis of our scheme shows that our protocol is effective in defending against various attacks.
Article Details
Unique Paper ID: 143383

Publication Volume & Issue: Volume 2, Issue 11

Page(s): 34 - 41
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