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A Lightweight Authenticated Communication Scheme for Smart Grid

机译：智能电网的轻量级认证通信方案

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摘要

In smart grid, various kinds of sensors have been equipped in smart meters to collect real-time consumption data and execute the instructions from the power management center, which leads to a more robust and customer-friendly grid system. However, a smart grid enables the two-way communication between the electricity supplier and users, which brings security challenges to the smart grid. In this paper, we propose a lightweight authenticated communication scheme for the smart grid, which ensures a secure two-way communication between the smart meters and the neighborhood gateway. Since in the proposed scheme, the smart meters only need to execute the bitwise exclusive-OR operations to encrypt collected usage data, and Lagrange interpolation formula is used to authenticate the sender; the transmitted messages can be real-timely authenticated. On the other side, the storage burden and communication cost of the smart meters can be significantly reduced. The security analysis shows that the messages transmission between the smart meters and the neighborhood gateway can be done in a confidential and authenticated manner. Furthermore, compared with other existing schemes, the performance analysis demonstrates that the proposed scheme has both lower storage and communication cost.
机译：在智能电网中，智能电表中已配备了各种传感器，以收集实时消耗数据并执行电源管理中心的指令，从而形成了更强大且更友好的电网系统。然而，智能电网使电力供应商和用户之间能够双向通信，这给智能电网带来了安全挑战。在本文中，我们提出了一种用于智能电网的轻量级认证通信方案，该方案可确保智能电表与邻域网关之间的安全双向通信。由于在提出的方案中，智能电表只需要执行按位异或运算就可以对收集到的使用数据进行加密，并且使用拉格朗日插值公式对发送方进行身份验证。传输的消息可以被实时认证。另一方面，可以显着降低智能电表的存储负担和通信成本。安全分析表明，智能电表和邻居网关之间的消息传输可以以保密和经过身份验证的方式完成。此外，与其他现有方案相比，性能分析表明该方案具有较低的存储和通信成本。

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