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Energies 2017, 10(9), 1354; doi:10.3390/en10091354

An Anonymous Authentication and Key Establish Scheme for Smart Grid: FAuth

Departamento de Ingeniería Telemática y Electrónica (DTE), Escuela Técnica Superior de Ingeniería y Sistemas de Telecomunicación (ETSIST), Universidad Politécnica de Madrid (UPM), C/Nikola Tesla, s/n, 28031 Madrid, Spain
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Academic Editor: Paras Mandal
Received: 7 August 2017 / Revised: 31 August 2017 / Accepted: 5 September 2017 / Published: 7 September 2017
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Abstract

The smart meters in electricity grids enable fine-grained consumption monitoring. Thus, suppliers could adjust their tariffs. However, as smart meters are deployed within the smart grid field, authentication and key establishment between smart grid parties (smart meters, aggregators, and servers) become an urgency. Besides, as privacy is becoming a big concern for smart meters, smart grid parties are reluctant to leak their real identities during the authentication phase. In this paper, we analyze the recent authentication schemes in smart grids and other applied fields, and propose an anonymous authentication and key establishment scheme between smart grid parties: FAuth. The proposed scheme is based on bilinear maps and the computational Diffie–Hellman problem. We changed the way the smart meter parties registered at Key Generation Center, making the proposed scheme robust against various potential attacks that could be launched by the Key Generation Center, as the scheme could avoid the private key of the smart meter parties from leaking to the Key Generation Center. Besides, the proposed scheme reduced the computational load, both at the smart meter side and at the aggregator side, which make it perfectly suitable for computation-constrained devices. Security proof results show the proposed scheme is secure under the BAN logic and random oracle model. View Full-Text
Keywords: anonymous authentication; key establishment; partial key; smart grid; privacy; bilinear map anonymous authentication; key establishment; partial key; smart grid; privacy; bilinear map
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Chen, Y.; Martínez, J.-F.; Castillejo, P.; López, L. An Anonymous Authentication and Key Establish Scheme for Smart Grid: FAuth. Energies 2017, 10, 1354.

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