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Data collection method in smart power grid based on user privacy protection

A technology of smart grid and data collection, applied in the field of data collection, can solve the problems of non-forgeability, scheme without message authentication process, etc.

Active Publication Date: 2016-05-11
XIDIAN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the disadvantage of their scheme is that their scheme does not have a message authentication process and is not unforgeable, that is, an attacker may pretend to be a legitimate user and send wrong information without being discovered.

Method used

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  • Data collection method in smart power grid based on user privacy protection
  • Data collection method in smart power grid based on user privacy protection
  • Data collection method in smart power grid based on user privacy protection

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Embodiment Construction

[0048] The present invention will be further described below in conjunction with the accompanying drawings.

[0049] Refer to attached figure 1 , the relationship and functions of trusted institutions, local aggregators, and smart meters involved in the present invention are as follows:

[0050] The data transmission in the smart grid involved in the present invention adopts a hierarchical structure, and the smart meter is the lowest-level processor, and its upper-level processor is a local aggregator. The hierarchical structure composed of trusted institutions, smart meters, and local aggregators is relatively independent.

[0051] The trusted organization belongs to the independent power system operator, and distributes the blinding factor for the local aggregator and the smart meter. The smart meter calculates the corresponding encrypted information and signature of the user and sends it to the upper-level processor, that is, the local aggregator. The server verifies the ...

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Abstract

The invention discloses a data collection method in a smart power grid based on user privacy protection. The method comprises the following steps that: firstly, a system is initialized; secondly, a smart electric meter sends a plurality of kinds of electricity consumption information of users to a local aggregator; thirdly, the smart electric meter signs the user information and sends the user information to the local aggregator; fourthly, the local aggregator determines the user information and signatures; fifthly, the local aggregator verifies the signatures in batch; sixthly, the local aggregator aggregates total electricity consumption information of all users; seventhly, the local aggregator searches for invalid signatures; eighthly, electric meter fault conditions are processed; and ninthly, user joining and exiting conditions are processed. According to the invention, the collection of plurality of kinds of electricity consumption information is realized, external attackers are resisted, internal attackers can also be resisted, and unforgeability of information is realized, so that the electricity consumption privacy of the users is protected.

Description

technical field [0001] The present invention relates to the field of communication technology, and further relates to the field of encryption technology and data processing technology, especially the data collection in smart grid based on user privacy protection. The invention can be used to count all kinds of electricity consumption information of users in the smart grid, and realize anonymity to untrustworthy local aggregators and unforgeability of messages, thereby protecting the privacy of electricity consumption of users. Background technique [0002] With the continuous development of smart grid technology, its importance has been increasingly revealed. Compared with the traditional centralized one-way transmission grid, the smart grid has the characteristics of information decentralization and two-way transmission, aiming to provide reliable, effective, stable and secure services. In the smart grid, each user will be equipped with a smart meter. On the one hand, the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L9/00H04L9/32H04L29/06
CPCH04L9/008H04L9/3236H04L9/3247H04L63/045
Inventor 陈杰周华张跃宇陈若昕党岚君
Owner XIDIAN UNIV
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