Cross-domain access control method based on block chain

An access control and blockchain technology, applied in the field of information security, can solve problems such as lack of transparency in privacy, and achieve the effect of preventing system abnormalities and secure access control

Pending Publication Date: 2022-03-08
HARBIN ENG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the Internet of Things environment has shown characteristics of large-scale, distributed, dynamic, and heterogeneous with the development of technology. Traditional identity authentication and access control relying on trusted third parties have many security threats, such as: privacy issues , lack of transparency, etc., single-domain data sharing and information interaction can no longer meet people's needs. How to overcome this limitation and provide efficient information services between multiple domains has become an urgent problem to be solved

Method used

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  • Cross-domain access control method based on block chain
  • Cross-domain access control method based on block chain
  • Cross-domain access control method based on block chain

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Embodiment Construction

[0040] The present invention will be further described below in conjunction with the accompanying drawings.

[0041] combine figure 1 , the present invention proposes a blockchain-based cross-domain access control method, including registration of users and service providers, generation of capability tokens, and verification of access rights, mainly including the following steps:

[0042] Step 1: In the registration phase, entities participating in the access control process are divided into subjects and objects. Subjects are entities that request access to services or resources. Objects are usually service providers or resource providers. All entities need to participate in the registration process Access control, generate a unique identification EID according to its own address information, and maintain a configuration file database locally by the domain owner.

[0043] Step 2: In the capability token generation stage, the registered user as the subject sends a request to t...

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Abstract

The invention belongs to the technical field of information security, and particularly relates to a cross-domain access control method based on a block chain. According to more rigorous authority verification logic and optimization of a capability token structure, more fine-grained and safer access control is provided, a token counterfeiting behavior can be prevented according to token processing in a token generation stage, man-in-the-middle attack can be resisted according to dynamic verification, a system is prevented from being subjected to flooding attack by malicious nodes, and the security of the system is improved. The behavior of system abnormity caused by a single-point fault is prevented, and all nodes can synchronize states by accessing transactions and intelligent contracts in the block chain based on the transparency and public characteristics of the block chain.

Description

technical field [0001] The invention belongs to the technical field of information security, and in particular relates to a blockchain-based cross-domain access control method. Background technique [0002] At present, the Internet of Things environment has shown characteristics of large-scale, distributed, dynamic, and heterogeneous with the development of technology. Traditional identity authentication and access control relying on trusted third parties have many security threats, such as: privacy issues , lack of transparency, etc., single-domain data sharing and information interaction can no longer meet people's needs. How to overcome this limitation and provide efficient information services between multiple domains has become an urgent problem to be solved. [0003] Blockchain technology is increasingly valued and adopted by countries and companies around the world. Blockchain is currently setting off a technological revolution in many industries such as finance, medi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F21/62G06F21/31G06F16/27G06F16/23G06Q40/04
CPCG06F21/6218G06F21/31G06F16/27G06F16/23G06Q40/04G06F2221/2141Y02A10/40
Inventor 史子卉陈志远皇甫姣姣林茂王明珍韩一夫
Owner HARBIN ENG UNIV
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