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A privacy protection method for electricity consumption information of an intelligent electric meter

A technology for electricity consumption information and privacy protection, which is applied to electrical components, secure communication devices, and key distribution. It can solve problems such as wrong aggregation values ​​and inability to determine that data packets have been tampered with, and achieve the effect of protecting electricity privacy.

Inactive Publication Date: 2019-05-31
成都中科微信息技术研究院有限公司
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AI Technical Summary

Problems solved by technology

In this way, it is still possible for ES to obtain the electricity consumption information of individual users
[0007] 2. If a data packet of a certain SM is maliciously tampered with during transmission, ES will get the wrong aggregation value, and it is impossible to determine which data packet has been tampered with

Method used

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  • A privacy protection method for electricity consumption information of an intelligent electric meter
  • A privacy protection method for electricity consumption information of an intelligent electric meter

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Embodiment Construction

[0016] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0017] refer to figure 1 , the privacy protection method of the electricity consumption information of the smart meter in the embodiment of the present invention comprises:

[0018] S1: A CA (Certificate Authority, certificate authority) divides multiple SMs (SmartMeters, smart meters) into multiple meter groups according to a preset strategy, and assigns a different group ID to each meter group.

[0019] Wherein, each meter group has a unique group ID, and a...

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Abstract

The invention discloses a privacy protection method for electricity consumption information of an intelligent electric meter. According to the method, distributing a key and a token to each SM by introducing CA of a third party; and issuing a group key to the ES, the ES can receive encrypted power utilization information of all SM in the same electric meter group; however, the group key can only decrypt the encrypted aggregation value of the encrypted power consumption information and cannot decrypt the encrypted power consumption information of the single SM, so that the power consumption information of a specific user cannot be obtained, and meanwhile, the CA cannot receive the encrypted power consumption information of each SM, so that the power consumption information of the specific user cannot be obtained. The power consumption privacy of a user can be protected, and whether the data packet is tampered or not can be identified.

Description

technical field [0001] The invention relates to the technical field of data protection, in particular to a privacy protection method for electricity consumption information of a smart electric meter. Background technique [0002] Modernization of the electrical grid is critical to the nation's efforts to increase energy efficiency, transition to renewable energy, reduce greenhouse gas emissions, and build a sustainable economy to ensure prosperity for present and future generations. The power system is a large and complex system. In order to maintain the security and stability of the system, communication network and information technology are widely used in the power system. This new hybrid network is the so-called smart grid. Information and communication technologies are being combined with traditional energy delivery systems to deliver higher quality and more reliable power capabilities from aging power infrastructure while effectively reducing costs. [0003] However...

Claims

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Application Information

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IPC IPC(8): H04L9/00H04L9/08H04L29/06
Inventor 卜智勇
Owner 成都中科微信息技术研究院有限公司
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