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A method for power data and privacy protection in smart grid

A technology for power data and privacy protection, applied in the field of information security to achieve the effect of high practicability and high security strength

Active Publication Date: 2021-11-05
NANJING UNIV OF POSTS & TELECOMM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

It will periodically update the key used by the device, however, using a random number generator to update the key requires setting multiple timers, which means memory consumption for storing the generator state

Method used

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  • A method for power data and privacy protection in smart grid
  • A method for power data and privacy protection in smart grid
  • A method for power data and privacy protection in smart grid

Examples

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Embodiment Construction

[0048] Below in conjunction with accompanying drawing and specific embodiment, further illustrate the present invention, should be understood that these examples are only for illustrating the present invention and are not intended to limit the scope of the present invention, after having read the present invention, those skilled in the art will understand various aspects of the present invention All modifications of the valence form fall within the scope defined by the appended claims of the present application.

[0049] A method for protecting power data and privacy in a smart grid, such as Figure 1-3 shown, including the following steps:

[0050] S1. System initialization: KGC sets the algorithm to obtain security parameters and returns system parameters params and master key s. The algorithm is run by KGC, and only KGC knows the value of s. KGC represents the key generation center.

[0051] Step S1-1. KGC takes security parameter λ as input to generate bilinear group para...

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Abstract

The invention discloses a power data and privacy protection method in a smart grid, which uses certificate-free additive homomorphic encryption to collect meter data, effectively overcomes the shortcomings of smart grid fine-grained measurement data, and ensures user privacy; at the same time, the scheme The use of strong extractors against side channel attacks can effectively solve the problem of key leakage and achieve key security. Using the smart grid data aggregation scheme based on no certificate, the private key is divided into two parts to generate, effectively solving the problem of certificate management. Due to the problem of side channel attack in the smart grid, a strong extractor is used to effectively protect the key and realize the anti-disclosure of the key.

Description

technical field [0001] The invention relates to a power data and privacy protection scheme in a smart grid, which mainly combines an elastic leakage cipher system with a certificateless addition homomorphic technology to realize gateway anti-leakage, and belongs to the field of information security. Background technique [0002] A smart grid is an infrastructure network that combines computers and electricity to monitor and manage energy usage. However, with the continuous development of smart grid technology, it also brings certain security issues. On the one hand, real-time electricity consumption data will reveal the user's behavioral privacy to a certain extent; on the other hand, the geographical environment of the grid gateway makes the gateway less secure. Therefore, effective protection of user privacy, anti-leakage of gateways and identity authentication of gateways have become research hotspots in smart grids. [0003] Encryption of transmitted information plays ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L9/32H04L9/30
CPCH04L9/3033H04L9/3073H04L9/3236H04L9/3247H04L9/3252H04L9/3297H04L2209/72
Inventor 朱聪聪王志伟
Owner NANJING UNIV OF POSTS & TELECOMM
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