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A Novel Key Management Protocol in Body Area Networks

Authors:
Jian Shen
Sangman Moh
Ilyong Chung

Keywords: Body Area Networks (BANs); security; privacy; sensor association; key management;

Abstract:
Body Area Networks (BANs) have emerged as an enabling technique for e-healthcare systems, in which the data of a patient’s vital body parameters and movements can be collected by small wearable or implantable sensors and communicated using short-range wireless communication techniques. Due to the shared wireless medium between the sensors in BANs, adversaries can launch various attacks on the e-healthcare systems. The security and privacy issues of BANs are getting more and more important. To provide secure and correct association of a group of sensors with a patient and satisfy the requirements of data confidentiality and integrity in BANs, we propose a novel key management protocol based on elliptic curve cryptography (ECC) and hash chains. The authentication procedure and group key generation are very simple and efficient. Therefore, our protocol can be easily implemented into the power and resource constrained sensor nodes in BANs. From the comparison results, furthermore, we can conclude that the proposed protocol dramatically reduces the computation and communication cost for the authentication and key derivation compared with the previous protocols.

Pages: 246 to 251

Copyright: Copyright (c) IARIA, 2011

Publication date: May 22, 2011

Published in: conference

ISSN: 2308-4006

ISBN: 978-1-61208-133-5

Location: Venice/Mestre, Italy

Dates: from May 22, 2011 to May 27, 2011