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OCPM: ortho code privacy mechanism in smart grid using ring communication architecture

AD HOC NETWORKS 2014年 22卷 93-108页

作者： Li, Shi Choi, Kyung Chae, Kijoon Ewha Womans Univ Dept Comp Sci & Engn Seoul South Korea

Various privacy problems routinely arise when the control center manages the power distribution based on customers' power usage which is automatically transmitted by smart meters in the smart grid system. Therefore an improved customers' privacy protection architecture called "Ring Communication Architecture (RCA)" is proposed. In this paper, we propose a novel mechanism focusing on the privacy issues by means of an orthogonal code ("ortho code") based on the RCA. Our mechanism is performed in two processes: measurement transmission process and payment transmission process. During measurement transmission process, the data measured by smart meters are encrypted by using ortho codes and aggregated in the RCA and then sent to the utility through an aggregator. The utility can decrypt each measurement from the receiving aggregation data and charge customers in payment transmission process without realizing the privacy of customers. By the quantitative and qualitative analysis of the performance and security, the proposed mechanism can achieve low power consumption and efficient encryption as well as prevent snooping attack, modification attack, masquerading attack, and replaying attack which threaten the smart grid. (C) 2014 Published by Elsevier B.V.

关键词： Privacy ortho code Walsh code Smart meter Smart grid

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An Enhanced Measurement Transmission Scheme for Privacy Protection in Smart Grid

An Enhanced Measurement Transmission Scheme for Privacy Prot...

引用

27th International Conference on Information Networking (ICOIN)

作者： Li, Shi Choi, Kyung Chae, Kijoon Ewha Womans Univ Dept Comp Sci & Engn Seoul South Korea

ISBN: (纸本)9781467357425;9781467357401

Advanced metering infrastructure (AMI) as a core component of the smart grid integrates a two-way communications network which enables customers and utilities to actively monitor and manage their energy usage in real time. However, various privacy problems routinely arise. In this paper, an improved customer privacy-protection architecture called "Ring Communication Architecture (RCA)," and a novel mechanism is proposed in order to protect the privacy of customers. In our mechanism, the measurement of each smart meter is added together by means of orthogonal code (referred to herein as " ortho code") in the ring architecture of RCA, and transmitted the measurements to the utility through an aggregator. The utility can determine each of the measurements from the receiving summation information processed by aggregator without realizing the identification of each smart meter. By the quantitative and qualitative analysis of the performance and security, we show that the proposed mechanism can achieve low end-to-end delay, and prevent the system from threats by components compromise, as well as security in the form of confidentiality, integrity and privacy.

关键词： Privacy ortho code Walsh code Smart meter Smart grid

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