Modified Pairwise Key Pre-distribution Scheme with Deployment Knowledge in Wireless Sensor Network

Sanchita Gupta¹ , Pooja Saini²

Section:Research Paper, Product Type: Journal
Vol.1 , Issue.2 , pp.21-23, Jun-2013

Online published on Jun 30, 2013

Copyright © Sanchita Gupta , Pooja Saini . This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
 

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Abstract :
To achieve security in wireless sensor networks it is important to be able to encrypt the messages sent among the sensor nodes. Keys for encryption and authentication purpose must be agreed upon by communicating nodes. Due to the resource constraint (limited memory size), achieving such key agreement in wireless sensor network is extremely difficult. Many key agreement schemes used in general networks, such as Diffie-Hellman and public key based schemes, are not suitable for wireless sensor networks. Pre-distribution of secret key for all the pair of nodes is not possible due to the large amount of memory is used when network size is large. In this paper, we provide a view of pairwise key pre-distribution scheme and the deployment knowledge; and also describe the pairwise key pre-distribution scheme with deployment knowledge as an improvement. Deployment knowledge avoids the unnecessary key assignments and improves the performance of the sensor networks in terms of memory usage.

Key-Words / Index Term :
Wireless sensor networks, Pairwise key pre-distribution scheme, Deployment knowledge and security

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