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A privacy-protected data aggregation method and system for smart grid

A data aggregation and privacy protection technology, which is applied in the field of information security technology and smart grid, can solve problems such as the inability to obtain the real identity of users, and achieve good application prospects and good reliability.

Active Publication Date: 2022-03-22
CHONGQING UNIV OF POSTS & TELECOMM
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  • 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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  • A privacy-protected data aggregation method and system for smart grid
  • A privacy-protected data aggregation method and system for smart grid
  • A privacy-protected data aggregation method and system for smart grid

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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 protection of a smart grid-oriented privacy protection data aggregation method and system, which can protect the privacy of individual user data from being leaked, and aggregate the sum of data in a certain area, and only the control center can read the aggregation result. Including: a system initialization step, a user registration step, an encrypted data generation step, a data aggregation step, and a data decryption step; in the present invention, the smart meter negotiates a session key with the aggregator, and uses the BGN encryption algorithm based on elliptic curves to encrypt data. The invention does not rely on a trusted third party, the system can still operate normally when the smart meter is missing, and has better reliability, and the identity of the user is anonymous, and an attacker cannot obtain the real identity of the user. The invention improves the calculation efficiency, satisfies the corresponding safety requirements of confidentiality, integrity, authentication, etc., and is provably safe.

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 Patents(China)
IPC IPC(8): H04L9/40H04L9/08H04L9/30H04L9/32
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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