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Device authentication protocol for smart grid systems using homomorphic hash

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2 Author(s)
Kim, Young-Sam ; National Institute for Mathematical Sciences (NIMS), Daejeon, Korea ; Heo, Joon

In a smart grid environment, data for the usage and control of power are transmitted over an Internet protocol (IP)-based network. This data contains very sensitive information about the user or energy service provider (ESP); hence, measures must be taken to prevent data manipulation. Mutual authentication between devices, which can prevent impersonation attacks by verifying the counterpart's identity, is a necessary process for secure communication. However, it is difficult to apply existing signature-based authentication in a smart grid system because smart meters, a component of such systems, are resource-constrained devices. In this paper, we consider a smart meter and propose an efficient mutual authentication protocol. The proposed protocol uses a matrix-based homomorphic hash that can decrease the amount of computations in a smart meter. To prove this, we analyze the protocol's security and performance.

Published in:

Communications and Networks, Journal of  (Volume:14 ,  Issue: 6 )