Byzantine fault-tolerant consensus method based on distributed key

A Byzantine, distributed technology, applied in the field of Byzantine fault-tolerant consensus based on distributed keys, to achieve the effect of improving efficiency, improving efficiency, and improving consensus efficiency

Active Publication Date: 2020-07-03
芽米科技(广州)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Its main purpose is to solve the problem of multi-center key authorization in the consortium chain environment, and on this basis to improve the efficiency of verifying signatures when consensus is reached between nodes

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  • Byzantine fault-tolerant consensus method based on distributed key
  • Byzantine fault-tolerant consensus method based on distributed key
  • Byzantine fault-tolerant consensus method based on distributed key

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Embodiment Construction

[0033] In order to make the purpose, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, and Not all examples.

[0034] Embodiments of the present invention are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the diagrams provided in the...

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Abstract

The invention belongs to the field of security authentication in the network space security discipline, and relates to a Byzantine fault-tolerant consensus method based on a distributed key. The method comprises the steps that super nodes participating in consensus are selected, and system common parameters are generated; generating a system public and private key pair and public and private keysof the candidate nodes in a mutual interaction authentication mode according to the public parameters sent by the system; selecting a main node from the super nodes to initiate a proposal request, andstarting a new round of consensus; the secondary node performs individual verification and aggregation verification on the proposal request, and finally determines whether to agree to send the block;after receiving the block, the common node completes time triggering to continue the consensus of the next round, and in the process, if the auxiliary node waits for the case proposal request timeoutor the case proposal response timeout of the main node, the auxiliary node broadcasts the view change request and replaces the main node; according to the invention, the efficiency of reaching the consensus process can be greatly improved.

Description

technical field [0001] The invention belongs to the field of security authentication in the discipline of cyberspace security, and more specifically relates to a distributed key-based Byzantine fault-tolerant consensus method. Background technique [0002] With the rapid development of blockchain technology, there are more and more blockchain applications. While using blockchain technology to ensure data security, how to improve the efficiency of consensus between nodes in the alliance chain environment has become problem to be solved urgently. [0003] Since the nodes of the consortium chain are composed of various relevant institutions or units, the nodes that have a relationship of interest cannot trust each other. Therefore, in the process of reaching consensus, each node needs to use the public key of the other party to verify the message it sends. But who generates the key and how to distribute and authorize the generated key is an urgent problem to be solved. [00...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04L9/32H04L9/08
CPCH04L63/08H04L9/3247H04L9/0861H04L63/1441Y04S40/20
Inventor 唐飞刘文婧马帅
Owner 芽米科技(广州)有限公司
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