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Encrypted communication method and system of block chain node

A technology of encrypted communication and blockchain, which is applied in key distribution, can solve problems such as communication security cannot be guaranteed, and achieve the effect of ensuring communication security

Inactive Publication Date: 2018-11-02
全链通有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention provides an encrypted communication method and system for blockchain nodes to solve the technical problem in the prior art that the communication security of each node in the blockchain network cannot be guaranteed

Method used

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  • Encrypted communication method and system of block chain node
  • Encrypted communication method and system of block chain node
  • Encrypted communication method and system of block chain node

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Embodiment Construction

[0019] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0020] Based on the above analysis, it can be seen that the confidentiality of the existing blockchain network communication is not strong, and the security of the communication cannot be guaranteed. In order to solve this technical problem, the present invention introduces the public key certificate technology. Since the public key certificate technology is not It is necessary to maintain the directory containing the name and public key, so it is a relatively safe public key distribution method. In the present invention, the publ...

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Abstract

The invention provides an encrypted communication method and system of a block chain node. The method comprises the following steps: for a participating node firstly added in a block chain network, afirst user identifier and a first signature private key of the participating node are signed by using a first signature private key of the participating node, and a first adding broadcast message is sent by the block chain network after the timestamp is stamped thereon through a timestamp server; a mining node analyzes the first adding broadcast message to acquire the first user identifier and thefirst signature public key, and performs the legality verification on the participating node according to the first signature public key; a supervision node generates and distributes the first encryption public key and the first encryption private key corresponding to the first user identifier according to the first signature public key; the participating node perform safety communication with the target node based on the first encryption public key and the first encryption private key. Therefore, the public key certificate scheme is combined with the block chain network to guarantee the communication security of the block chain network.

Description

technical field [0001] The present invention relates to the technical field of communication, in particular to an encrypted communication method and system for blockchain nodes. Background technique [0002] Blockchain technology has gradually become known with the emergence of Bitcoin. There is no central node in the blockchain network, and all nodes have equal status. The transaction data in the blockchain network is packaged and written into blocks by using consensus mechanisms such as workload proof and equity proof. In this decentralized network, all nodes keep data backups of the entire network. The consensus mechanism adopted by the blockchain guarantees the authenticity and effectiveness of information transmission on untrusted channels. [0003] However, based on the operation mechanism of the blockchain, even if it can guarantee that the data is tampered with during transmission, it can also prevent nodes from being attacked by denial of service. Transaction inf...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04L12/18H04L9/32H04L9/08
CPCH04L9/0863H04L9/3247H04L12/18H04L63/0428H04L63/08H04L63/0823H04L63/083
Inventor 路成业王凌
Owner 全链通有限公司
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