Dynamic secrets and secret keys based scheme for securing last mile smart grid wireless communication

Saxena, Neetesh ORCID: https://orcid.org/0000-0002-6437-0807 and Grijalva, Santiago 2017. Dynamic secrets and secret keys based scheme for securing last mile smart grid wireless communication. IEEE Transactions on Industrial Informatics 13 (3) , pp. 1482-1491. 10.1109/TII.2016.2610950

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Abstract

An integrated and optimized smart grid cannot be achieved without a secure communication network. Due to the large-scale nature of the power system, the variety of technologies used, and limitations of communication bandwidth, supervisory applications for smart grid still use weak security in many deployments. Adversaries can potentially modify measurement values or inject bad commands over the network. In this paper, we propose a novel scheme based on dynamic secrets and encryption with secret keys. The scheme generates a series of dynamic secrets over the communication network, which are used to generate secret keys for data encryption. The generation of dynamic secret is frequent and no adversary can compromise the network for a longer period, even if he/she knows a secret key. The scheme is secure against eavesdropping, malicious communication injection, man-in-the-middle attacks, replay attacks, impersonation attacks, and chosen-plaintext attacks. The security analysis and performance evaluation show that our scheme is feasible to be used in the communications between supervisory and control nodes of various smart grid applications.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Computer Science & Informatics
Publisher:	IEEE
ISSN:	1551-3203
Date of Acceptance:	14 September 2016
Last Modified:	26 Oct 2022 08:13
URI:	https://orca.cardiff.ac.uk/id/eprint/126906

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