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Hierarchical key management system and method based on cloud computing in smart grid

A technology of key management system and smart grid, applied in the field of hierarchical key management system, can solve problems such as inability to access power data, and achieve the effects of strong computing power, large storage capacity, and protection of privacy and confidentiality

Active Publication Date: 2018-05-01
ELECTRIC POWER RESEARCH INSTITUTE, CHINA SOUTHERN POWER GRID CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, the business of a power grid enterprise in the Southwest area is divided into the Southwest Headquarters, and its subordinates are divided into Sichuan Branch, Yunnan Branch and Guizhou Branch. Among them, the subordinates of the Sichuan Branch are divided into Chengdu Branch, Mianyang Branch, Deyang Branch, etc... In this power hierarchy model, the power data administrators of the Southwest Headquarters and the Sichuan Branch can check the power data of the Chengdu Branch, but the data administrators of the Chengdu Branch cannot Power Data for Southwest Headquarters

Method used

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  • Hierarchical key management system and method based on cloud computing in smart grid
  • Hierarchical key management system and method based on cloud computing in smart grid
  • Hierarchical key management system and method based on cloud computing in smart grid

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0069] Embodiment one, such as image 3 As shown, the enterprise user of level-3 cloud power A needs the service of level-3 power cloud A or needs to access the encrypted data in level-3 power cloud A, and the enterprise user of level-3 cloud power A sends an Request, at this time, since the third-level cloud power A enterprise user directly belongs to the third-level power cloud A, the third-level power cloud A can directly resolve the certificate of the third-level cloud power A enterprise user, and provide services for the third-level cloud power A enterprise user or Decryption key for encrypted data.

Embodiment 2

[0070] Embodiment two, such as Figure 4 As shown, the enterprise user of level-3 cloud power A needs the services of level-3 power cloud B or needs to access the encrypted data in level-3 power cloud B, and the enterprise user of level-3 cloud power A sends a certificate containing its own certificate Request, since the enterprise user of the third-level cloud power A does not directly belong to the third-level power cloud B, the third-level power cloud B cannot directly resolve the certificate of the third-level cloud power A enterprise user; the third-level power cloud B sends the root node power cloud ( First-level power cloud) sends an inquiry, and sends the certificate of the third-level cloud power A enterprise user to the root node power cloud, and the root node power cloud judges whether the third-level cloud power A enterprise user has the authority to allow the third-level power cloud B service ( Explanation: Cloud power enterprise users have the authority to allow ...

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Abstract

The invention discloses a hierarchical key management system and method based on cloud computing in a smart grid. The system includes multi-level private clouds and multi-level cloud power enterprise users; the multi-level private cloud includes a root node cloud and multiple Hierarchical private clouds; each multi-tiered private cloud described includes cloud servers and certification authorities. The present invention provides a hierarchical key management system and method based on cloud computing in a smart grid to limit grid users' access to sensitive grid sensing data. Since grid data contains sensitive data and private information, grid companies need to These sensitive data or information are encrypted and stored in the private power cloud. Applying the hierarchical key management system based on cloud computing in the smart grid can allow users who have access to sensitive data to access these data smoothly, and at the same time prevent illegal users from accessing the data. access.

Description

technical field [0001] The invention relates to a hierarchical key management system and method based on cloud computing in a smart grid. Background technique [0002] The smart grid is the intelligence of the power grid, also known as "grid 2.0", it is based on an integrated, high-speed two-way communication network, through advanced sensing and measurement technology, advanced equipment technology, advanced control methods And the application of advanced decision support system technology to achieve the goal of reliability, safety, economy, efficiency, environmental friendliness and safe use of the power grid. Its main features include self-healing, incentives and user inclusion, defense against attacks, and provision to meet the needs of users in the 21st century. Excellent power quality, allowing access to various forms of power generation, starting the power market, and optimizing and efficient operation of assets; cloud computing is a pay-for-use model that provides an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L9/08H04L9/32H04L29/06H04L29/08
Inventor 谢远鹏蒋屹新文红郭晓斌廖力许爱东王玉秀蒙家晓关泽武
Owner ELECTRIC POWER RESEARCH INSTITUTE, CHINA SOUTHERN POWER GRID CO LTD