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Modified Batch Authentication Protocol in Vehicle-to-Grid
Abstract:
Combined electric vehicles with smart grid, Vehicle-to-Grid (V2G) resolve the problem of charging large-scale electric vehicles, and make vehicles as mobile and distributed storage unit accessing to smart grid. V2G requires more efficient authentication protocol to meet fast response and information processing in real-time. Batch authentication can provide large computational savings when several signatures are verified together, which is appropriate for aggregators to verify PHEVs/PEVs. This paper proposes a modified batch authentication protocol based on hybrid cryptography, which takes advantage of public key cryptology to identity authentication and transmit shared session key. Furthermore, the comparison and analysis of the modified with existing batch authentication in V2G are given.
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2603-2606
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Online since:
May 2012
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© 2012 Trans Tech Publications Ltd. All Rights Reserved
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