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International Journal of Smart Sensor and Adhoc Network

Abstract

A wireless sensor network(WSN) consisiting of a large number of tiny sensors can be an effective tool for gathering data in diverse kinds of environments.The data collected by each sensor node is communicated to the base station,which forwards the data to the end user. In wireless sensor network data security plays an important role where confidentiality, authentication, integrity, non repudiation are given importance.This paper synthesizes existing user authentication schemes in wirelss sensor networks and highlights the challenges in user authentication.

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