Key Management in Wireless Sensor Networks

Journal of Sensor and Actuator Networks

Ismail Mansour¹  Gérard Chalhoub¹  Pascal Lafourcade¹ 

[1] University Clermont Auvergne, 49 Boulevard François Mitterrand, BP 10448, F-63000 Clermont-Ferrand, France; E-Mails:

关键词: renewing;    revocation;    authentication;    wireless sensor network;    security;    multihop;    verification;    formal proof;   

DOI  :  10.3390/jsan4030251

来源: mdpi

【 摘 要 】

Wireless sensor networks are a challenging field of research when it comes to security issues. Using low cost sensor nodes with limited resources makes it difficult for cryptographic algorithms to function without impacting energy consumption and latency. In this paper, we focus on key management issues in multi-hop wireless sensor networks. These networks are easy to attack due to the open nature of the wireless medium. Intruders could try to penetrate the network, capture nodes or take control over particular nodes. In this context, it is important to revoke and renew keys that might be learned by malicious nodes. We propose several secure protocols for key revocation and key renewal based on symmetric encryption and elliptic curve cryptography. All protocols are secure, but have different security levels. Each proposed protocol is formally proven and analyzed using Scyther, an automatic verification tool for cryptographic protocols. For efficiency comparison sake, we implemented all protocols on real testbeds using TelosB motes and discussed their performances.

【 授权许可】

CC BY   
© 2015 by the authors; licensee MDPI, Basel, Switzerland.