Information Theoretically Secure,Enhanced Johnson Noise Based Key Distribution over the Smart Grid with Switched Filters |
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| Authors: | Elias Gonzalez Laszlo B Kish Robert S Balog Prasad Enjeti |
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| Institution: | Department of Electrical and Computer Engineering, Texas A&M University, College Station, Texas, United States of America.; University of Adelaide, Australia, |
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| Abstract: | We introduce a protocol with a reconfigurable filter system to create non-overlapping single loops in the smart power grid for the realization of the Kirchhoff-Law-Johnson-(like)-Noise secure key distribution system. The protocol is valid for one-dimensional radial networks (chain-like power line) which are typical of the electricity distribution network between the utility and the customer. The speed of the protocol (the number of steps needed) versus grid size is analyzed. When properly generalized, such a system has the potential to achieve unconditionally secure key distribution over the smart power grid of arbitrary geometrical dimensions. |
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