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Electric quantity data and privacy protection method in intelligent power grid

A technology of smart grid and electricity data, applied in the field of information security

Active Publication Date: 2019-10-08
NANJING UNIV OF POSTS & TELECOMM
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  • 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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  • Electric quantity data and privacy protection method in intelligent power grid
  • Electric quantity data and privacy protection method in intelligent power grid
  • Electric quantity data and privacy protection method in intelligent power 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 an electric quantity data and privacy protection method in an intelligent power grid, which is used for collecting electric meter data by using certificateless addition homomorphic encryption. The method effectively overcomes the defect of fine-grained metering data of the intelligent power grid and ensures the privacy of a user. And meanwhile, a strong extractor is used for side-pass gate attacks, so that the problem of secret key leakage can be effectively solved, and the security of the secret key is realized. A certificateless smart power grid data aggregation scheme is used, a private key is divided into two parts to be generated, and the problem of certificate management is effectively solved. Due to the fact that the intelligent power grid has the side channel attack problem, the strong extractor is used for effectively protecting the secret key, and secret key leakage resistance is achieved.

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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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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