LSec: lightweight security protocol for distributed wireless sensor network

Authors:
Riaz Ahmed Shaikh;Sungyoung Lee;Mohammad A. U. Khan;Young Jae Song
Affiliations:
Department of Computer Engineering, Kyung Hee University, Gyeonggi-do, South Korea;Department of Computer Engineering, Kyung Hee University, Gyeonggi-do, South Korea;Department of Computer Engineering, Kyung Hee University, Gyeonggi-do, South Korea;Department of Computer Engineering, Kyung Hee University, Gyeonggi-do, South Korea
Venue:
PWC'06 Proceedings of the 11th IFIP TC6 international conference on Personal Wireless Communications
Year:
2006

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Abstract

Constraint specific wireless sensor networks need energy efficient and secure communication mechanisms. In this paper we propose Lightweight Security protocol (LSec) that fulfils both requirements. LSec provides authentication and authorization of sensor nodes with simple secure key exchange scheme. It also provides confidentiality of data and protection mechanism against intrusions and anomalies. LSec is memory efficient that requires 72 bytes of memory storage for keys. It only introduces 74.125 bytes of transmission and reception cost per connection.