Applied Cryptography in Wireless Sensor Networks

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Author(s): Dulal C. Kar (Texas A&M University-Corpus Christi, USA), Hung L. Ngo (Texas A&M University-Corpus Christi, USA)and Clifton J. Mulkey (Texas A&M University-Corpus Christi, USA)
Copyright: 2011
Pages: 22
Source title: Applied Cryptography for Cyber Security and Defense: Information Encryption and Cyphering
Source Author(s)/Editor(s): Hamid R. Nemati (The University of North Carolina at Greensboro, USA)and Li Yang (University of Tennessee, USA)
DOI: 10.4018/978-1-61520-783-1.ch006

Keywords: Information Science Reference / Information Security & Privacy / IT Security and Ethics / Security & Forensics

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Abstract

It is challenging to secure a wireless sensor network (WSN) because of its use of inexpensive sensor nodes of very limited processing capability, memory capacity, and battery life that preclude using traditional security solutions. Due to perceived excessive computational and architectural overhead, public key algorithms are altogether avoided for WSNs. Currently security in WSNs is provided using only symmetric key cryptography, but it requires keys to be embedded in sensor nodes before deployment and the entire network has to go through a key establishment phase after deployment. Accordingly, in this chapter, we summarize, discuss, and evaluate recent results reported in literature on sensor network security protocols such as for key establishment, random key pre-distribution, data confidentiality, and broadcast authentication. In addition, we discuss promising research results in public key cryptography for WSNs, particularly related to elliptic curve cryptography and its application for identity based encryption.

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Applied Cryptography in Wireless Sensor Networks

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