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Privacy protection data aggregation method and system for smart power grid

A data aggregation and privacy protection technology, applied in the field of information security technology and smart grid, can solve the problem of not being able to obtain the real identity of users

Active Publication Date: 2020-05-08
CHONGQING UNIV OF POSTS & TELECOMM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] 3) The identity of the user is anonymous, and the attacker cannot obtain the real identity of the user

Method used

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  • Privacy protection data aggregation method and system for smart power grid
  • Privacy protection data aggregation method and system for smart power grid
  • Privacy protection data aggregation method and system for smart power grid

Examples

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Embodiment Construction

[0053] The technical solutions in the embodiments of the present invention will be described clearly and in detail below with reference to the drawings in the embodiments of the present invention. The described embodiments are only some of the embodiments of the invention.

[0054] The technical scheme that the present invention solves the problems of the technologies described above is:

[0055] Attached below figure 1 Describe the framework of the system.

[0056] 1) Smart Meter: It is a smart meter that is responsible for collecting real-time electricity consumption data of users on a regular basis and sending encrypted data to the aggregator. A smart meter is honest and curious, it operates according to the protocol and does not initiate active attacks. However, it may infer information about other users.

[0057] 2) Aggregator (Aggregator): It is the manager of the smart meter, responsible for aggregating the user's electricity consumption data and sending the aggrega...

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PUM

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Abstract

The invention requests to protect a privacy protection data aggregation method and system for a smart power grid. The method and system can protect the data privacy of a single user from being leakedand aggregates the sum of data in a certain area, and only a control center can read an aggregation result. The method comprises a system initialization step, a user registration step, an encrypted data generation step, a data aggregation step and a data decryption step. According to the invention, an intelligent electric meter and an aggregator negotiate a session key, and a BGN encryption algorithm based on an elliptic curve is used to encrypt the data. The method does not depend on a trusted third party, the system can still operate normally when the intelligent electric meter is missing, so that better reliability is achieved, the identity of the user is anonymous, and an attacker cannot obtain the real identity of the user. According to the method, the calculation efficiency is improved, the corresponding security requirements of confidentiality, integrity, certification and the like are met, and the security can be proved.

Description

technical field [0001] The invention belongs to the fields of information security technology and smart grid technology, and relates to a privacy protection data aggregation method, which can be used for privacy protection data aggregation in smart grids. Background technique [0002] A smart grid is a modern network that uses information and communication technologies to transmit electricity efficiently, reliably, and safely. The definition in "Grid 2030" is: "A fully automatic power transmission network that can realize bidirectional energy and information flow between power plants and equipment." The smart grid is mainly composed of seven parts: batch power generation, Power transmission field, power distribution field, customer field, electricity market field, service provider field and operation center field. By collecting electricity consumption, the smart grid can adjust power generation and distribution appropriately, thereby reducing power consumption and saving en...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04L9/08H04L9/30H04L9/32
CPCH04L63/0421H04L63/0442H04L9/0825H04L9/3066H04L9/3247H04L63/08H04L63/123
Inventor 周由胜陈美欢
Owner CHONGQING UNIV OF POSTS & TELECOMM
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