Creating a secure index for distributed data on the sensor network Online publication date: Tue, 10-Jul-2018
by Vandana Bhasin; P.C. Saxena; C.P. Katti
International Journal of Sensor Networks (IJSNET), Vol. 27, No. 3, 2018
Abstract: Wireless sensor networks (WSNs) deployed in public and untrusted environments are prone to various security vulnerabilities. In this paper, a method has been developed to reduce the security risk of a node from tampering. The sensed data is distributed using the roots of the polynomial equation, thereby reducing the security risk. We propose a security mechanism that works on a clustered heterogeneous network. The index, located on the cluster head, is used for efficient retrieval of data. The scheme provides end-to-end confidentiality. The encrypted data can be decrypted only at the base station and it offers single-value granularity. It provides data confidentiality, authentication and authorisation. We have analysed the performance of the algorithm in terms of energy consumption. The energy consumption has increased with the addition of security. Even though the energy consumption has increased, the network can fulfil the purpose of data collection and can be deployed on large-scale networks.
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