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Method and device for node authentication based on block chain network

A blockchain and node certificate technology, applied in the field of financial technology, can solve the problems of complex node certificate management and authentication, and achieve the effect of reducing complexity and ensuring security

Active Publication Date: 2020-05-08
WEBANK (CHINA)
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AI Technical Summary

Problems solved by technology

[0005] Embodiments of the present invention provide a node authentication method and device based on a blockchain network to solve the problem of node certificates caused by cross-chain nodes respectively maintaining node certificates of cross-chain nodes in each blockchain network in the prior art Manage and certify complex technical issues

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  • Method and device for node authentication based on block chain network
  • Method and device for node authentication based on block chain network
  • Method and device for node authentication based on block chain network

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Embodiment Construction

[0037] In order to make the purpose, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0038] figure 1 A schematic diagram of a possible system architecture provided for the embodiment of the present invention, such as figure 1 As shown, the system architecture includes a certificate issuing node 100, a cross-chain node 110, and at least two blockchain networks, such as a blockchain network 121 and a blockchain network 122; wherein, at least two blockchain networks are cross-chain The blockchain network to be joined by t...

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Abstract

The embodiment of the invention discloses a method and a device for node authentication based on a block chain network. A certificate issuing node signs each piece of certificate attribute informationin a cross-chain node to obtain a node certificate, so that the cross-chain node generates to-be-authenticated data according to the authentication attribute information of a first block chain network and the node certificate, and sends the to-be-authenticated data to an authentication node in the first block chain network to enable the authentication node to perform authentication. The node certificate of the cross-chain node is obtained by signing authentication attribute information of at least two to-be-accessed block chain networks, so that the cross-chain node uses one node certificateto manage an authentication process of accessing multiple block chain networks by the cross-chain node, and the complexity of node certificate management and authentication can be reduced; and the authentication attribute information of other block chain networks cannot be leaked during authentication, so that the security of the authentication attribute information of each block chain network canbe ensured.

Description

technical field [0001] The present invention relates to the technical field of financial technology (Fintech), in particular to a node authentication method and device based on a block chain network. Background technique [0002] With the development of computer technology, more and more technologies are applied in the financial field. The traditional financial industry is gradually transforming into financial technology (Fintech), and blockchain technology is no exception. However, due to the security and real-time requirements of the financial industry , Financial technology has also put forward higher requirements for blockchain technology. [0003] At this stage, a common cross-chain node authentication strategy is: before the cross-chain node joins multiple blockchain networks, it obtains the node certificate of the cross-chain node in each blockchain network from the certificate issuing node respectively. When joining any blockchain network, the cross-chain node only ...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04L9/32
CPCH04L9/3247H04L9/3268H04L63/0823
Inventor 廖飞强严强李昊轩李辉忠张开翔范瑞彬
Owner WEBANK (CHINA)
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