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Digital certificate authentication method based on block chain smart contract

A technology of digital certificates and smart contracts, applied in digital data protection, electronic digital data processing, data processing applications, etc., can solve problems such as risks and conceal the real identity of actual users

Inactive Publication Date: 2021-05-18
NANJING UNIV OF POSTS & TELECOMM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The anonymity of blockchain identity hides the real identity of actual users and brings risks to real business transactions

Method used

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  • Digital certificate authentication method based on block chain smart contract
  • Digital certificate authentication method based on block chain smart contract
  • Digital certificate authentication method based on block chain smart contract

Examples

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Embodiment Construction

[0035] 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.

[0036] A digital certificate authentication method based on blockchain smart contracts, such as figure 1 As shown, the participating roles include central nodes, CA nodes, users, service providers, and identity registration smart contracts, where the registration domain includes CA nodes and central nodes, and the registration domain includes service providers. Based on the identity registration smart contract, the central node publishes the verified CA node, and the...

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Abstract

The invention discloses a digital certificate authentication method based on a block chain smart contract. The method comprises the following steps: a CA node registers to a block chain center node; a user registers to the CA node to obtain a block chain digital certificate; and the service provider verifies the user identity to the CA node. According to the method, the PKI system is introduced into the block chain, so that the trusted identity of the block chain user is realized, and the PKI key is applied to the smart contract transaction by using the block chain digital certificate.

Description

technical field [0001] The invention relates to a digital certificate authentication method based on a blockchain smart contract, and belongs to the technical field of network space security. Background technique [0002] Blockchain technology has the characteristics of decentralization, common maintenance, non-tampering, traceability, and trust-building. These features help to solve trust issues among different institutions, different systems, and different regions. As a computer transaction protocol, smart contracts have attracted much attention in recent years with the popularity of blockchain technology. It has the characteristics of decentralization, self-verification, and automatic execution of contract terms, and can use automatic execution codes to improve the level of automated transactions. Smart contracts are based on the distributed ledger characteristics of the blockchain, and have disruptive technical advantages in the financial field. Blockchain technology ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F21/60G06F21/64G06Q40/04
CPCG06F21/602G06F21/64G06Q40/04
Inventor 徐君泽陈丹伟
Owner NANJING UNIV OF POSTS & TELECOMM
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