Power dispatching business oriented quantum key dynamic supply method and management system

A quantum key and power dispatching technology, which is applied in the field of power system communication information security, can solve the problems of power dispatching business such as high security, hidden dangers, and low key update frequency, and achieve the effect of improving security and improving efficiency

Active Publication Date: 2018-06-08
BEIJING CHINA POWER INFORMATION TECH +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since these security measures are based on classic cryptographic algorithms, and the key update frequency is low, and there are still a considerable number of power services that use plaintext transmission, there are large information securi

Method used

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  • Power dispatching business oriented quantum key dynamic supply method and management system
  • Power dispatching business oriented quantum key dynamic supply method and management system
  • Power dispatching business oriented quantum key dynamic supply method and management system

Examples

Experimental program
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Effect test

Embodiment 1

[0064] Reference figure 1 As shown, the method for dynamic supply of quantum keys for power dispatch services includes the following steps:

[0065] Step S1: Perform hierarchical processing on each site in the power dispatch data network according to preset rules, and determine the priority of each business in the site based on each site; wherein, the priority refers to the priority of each business that needs to be encrypted;

[0066] As the power dispatch data network usually has two typical structures, one is a star structure, and the other is a mesh structure. Therefore, optionally, the step of performing hierarchical processing on each station in the power dispatch data network according to a preset rule further includes:

[0067] The power dispatch data network is abstracted into a multi-layer hierarchical structure consisting of a master station and sub-stations; among them, the master station is the dispatch center at all levels and the corresponding standby stations; the sub...

Embodiment 2

[0104] Reference image 3 As shown, it is a schematic structural diagram of an embodiment of the quantum key dynamic supply management system provided by the present invention. The quantum key dynamic supply management system includes:

[0105] The quantum key distribution terminal 101 is used to generate a symmetric quantum key between two sites and send it to the key server; among them, the two sites communicate through a data encryption channel; the quantum key distribution terminal communicates through quantum Channel for key distribution;

[0106] The key server 102 is used to store, distribute and manage the quantum key generated by the local quantum key distribution terminal;

[0107] The site service module 103 is used to read the quantum key from the local key server module and communicate with the key management module;

[0108] The key management module 104 is used to manage and control the use of quantum keys, the recording of site registration information, and the use of...

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Abstract

The invention discloses a power dispatching business oriented quantum key dynamic supply method and a management system. The method comprises the following steps: performing stage treatment on variousstations in a dispatching data network according to a default rule, and determining the priority level of each business based on each station; determining the use form of quantum keys according to the importance degree of each business and the predicted business traffic; pre-allocating the quantum keys to each business within the station based on the use form of the quantum keys; based on the priority level of each business and the predicated business traffic, dynamically adjusting the allocation of the quantum keys according to the actual needs; and according to the dispatch network architecture of each stage, the working modes of main and standby stations and the health statuses of links, dynamically allocating an optimal relay route for the quantum keys, and then realizing the encryption transmission of the quantum keys to the dispatching business on the basis of the optimal relay route. The invention can provide a safe and reliable power business dispatching mode, and the safety of power dispatching business data transmission is improved to the largest extent.

Description

Technical field [0001] The present invention relates to the technical field related to power system communication information security, in particular to a method and management system for dynamic supply of quantum keys for power dispatch services. Background technique [0002] Electric power dispatching data network is an important part of modern large-scale interconnected power grids, and it is the basis for realizing power dispatching automation. With the rapid development of information and communication technology, the scale of power dispatch data network continues to expand, and the types of services carried by it continue to increase, making it more and more prominent in power system dispatch operation and daily management. Since a large amount of critical dispatch monitoring information is transmitted through the power dispatch data network, it is of great practical significance to adopt advanced information encryption, identity authentication, intrusion detection, physica...

Claims

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Application Information

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IPC IPC(8): H04L9/08H04B3/54
CPCH04B3/54H04L9/0852
Inventor 李国春赵子岩王栋邓伟高德荃陈智雨于卓智张叶峰韩冰洋朱玉坤马永红陈雅琳吴润泽
Owner BEIJING CHINA POWER INFORMATION TECH
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