Light Weight Network Coding based Key Distribution Scheme for MANETs

Liu Jianwei; Abdur Rashid Sangi; Ruiying Du; Qianhong Wu

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Light Weight Network Coding based Key Distribution Scheme for MANETs

Liu Jianwei 1 *,Abdur Rashid Sangi 2,Ruiying Du 3,Qianhong Wu 3

1.School of Electronics & Information Engineering, Beihang University, Beijing 100191

2.School of Electronics & Information Engineering, Beihang University, 100191 Beijing

3.School of Computer Science, Wuhan University, 430072 Wuhan

*Correspondence author

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Funding: Specialized Research Fund for the Doctoral Program of Higher Education （No.No. 20091102110004）, National Basic Research Program of China (973 Program) Foundation（No.No.2012CB315905）

Opened online: 8 January 2013

Accepted by: none

Citation: Liu Jianwei ,Abdur Rashid Sangi,Ruiying Du.Light Weight Network Coding based Key Distribution Scheme for MANETs[OL]. [ 8 January 2013] http://en.paper.edu.cn/en_releasepaper/content/4505634

Along with other advantages, throughput enrichment is considered a main advantage provided by network coding. It is a lightweight, efficient, easy to implement technique that can be used to resolve security related issues in resource constraint wireless ad hoc networks. To utilize the advantages of network coding, we present a lightweight key distribution scheme based on inherent security property of network coding. Our novel scheme is a combination of simple XOR network coding operations and message authentication codes (MACs) to achieve data confidentiality and guarantee the integrity of the distributed keys, respectively. A thorough security analysis is given to explain the effectiveness of our scheme against eavesdropping and impersonation attacks as well as with few reasonable assumptions, it could withstand more intelligent attacks i.e. node compromising and brute force attacks. this scheme requires adequate amount of memory and we have also discussed memory aspects of our scheme. Simulation analysis proved that while key exchange between two nodes in same cluster, this scheme achieved more than 95% key delivery ratio with an ignorable average delay of 2 m.s. 58% key delivery ratio was achieved while the key was exchanged between two nodes in different clusters and the average delay was around 10 m.s.

Keywords:network coding; key distribution scheme; message authentication code (MAC); wireless ad hoc network; network simulator-2

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