Tree Based Protocol for Key Management in Wireless Sensor Networks

Securing a wireless communication has generally a vital importance, particularly when this communication is in a hostile environment like in wireless sensor networks (WSNs). The problem is how to create cryptographic keys between sensor nodes to ensure secure communications. Limited resources of sen...

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Bibliographic Details
Published in:EURASIP journal on wireless communications and networking 2010-01, Vol.2010 (1), Article 910695
Main Authors: Messai, M. -L., Aliouat, M., Seba, H.
Format: Article
Language:English
Subjects:
Communications Engineering
Engineering
Information Systems Applications (incl.Internet)
Networks
Research Article
Signal,Image and Speech Processing
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Summary:Securing a wireless communication has generally a vital importance, particularly when this communication is in a hostile environment like in wireless sensor networks (WSNs). The problem is how to create cryptographic keys between sensor nodes to ensure secure communications. Limited resources of sensor nodes make a public key cryptosystem such as RSA not feasible. So, most solutions rely on a symmetric cryptosystem. In this paper, we propose a new key management scheme based on symmetric cryptography which is well adapted to the specific properties of WSNs. The evaluation of our solution shows that it minimizes memory occupation, ensures scalability, and resists against the hardest attack: compromised nodes.
ISSN:1687-1499
1687-1472
1687-1499
DOI:10.1155/2010/910695