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Blockchain transaction method based on multi-user CA digital certificate

A technology of digital certificates and transaction methods, applied in user identity/authority verification, digital transmission systems, data processing applications, etc., to reduce burden, improve efficiency, and shorten initiation time

Active Publication Date: 2019-12-31
中芯昊月(深圳)科技控股有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At the same time, for the same transaction, verifying multiple CAs will inevitably increase the complexity of the function

Method used

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  • Blockchain transaction method based on multi-user CA digital certificate
  • Blockchain transaction method based on multi-user CA digital certificate
  • Blockchain transaction method based on multi-user CA digital certificate

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Embodiment Construction

[0054] The technical solution of the present invention will be described in further non-limiting detail below in combination with preferred embodiments and accompanying drawings.

[0055] Such as figure 1 and figure 2 Shown, corresponding to a kind of blockchain transaction method based on multi-user CA digital certificate of the present invention, it comprises the following steps:

[0056] Step 1: Members of the user group participating in the transaction use their respective public keys and signatures to apply for a CA digital certificate to the CA server. After the review is passed, the CA server generates a multi-user CA digital certificate, including:

[0057] Step 1-A: Members of the user group participating in the transaction use the SM2 elliptic curve public key cryptography algorithm to generate public keys and private keys at their respective user nodes, and store them in their respective user nodes;

[0058] Step 1-B: Members of the user group entrust the authori...

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Abstract

The invention discloses a blockchain transaction method based on a multi-user CA digital certificate, which comprises the following steps that: the step 1, applying, by user group members participating in a transaction, for the CA digital certificate to a CA server by using respective public keys and signatures, and generating the multi-user CA digital certificate by the CA server after the auditing is passed; the step 2, initiating a transaction request by a user group member; the step 3, verifying whether an issuer of the multi-user CA digital certificate is qualified or not; and the step 4,confirming a transaction. According to the blockchain transaction method based on the multi-user CA digital certificate, the complexity in the multi-user transaction process can be effectively reduced, and the transmission efficiency and the processing speed are improved.

Description

technical field [0001] The invention relates to the technical field of block chain transactions, in particular to a block chain transaction method based on multi-user CA digital certificates. Background technique [0002] Blockchain is a distributed consensus network, which broadcasts transactions in network nodes through P2P, and makes transactions reach consensus in the blockchain network to maintain node ledger consistency, reliability and non-tamperable modification. [0003] For transactions in the blockchain, the authenticity verification of the source is a crucial link. In this process, the traditional method is to use an asymmetric key to create a signature for the transaction information using the private key of the transaction user node, and then send its own public key and signature information to the consensus node, and the consensus node verifies the information through the public key. integrity. This method can effectively guarantee the security and integrity...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04L9/32H04L9/30G06Q40/04
CPCH04L63/0823H04L63/0884H04L9/3268H04L9/3265H04L9/3247H04L9/3255H04L9/3066G06Q40/04
Inventor 邱望洁仇瑛姿
Owner 中芯昊月(深圳)科技控股有限公司
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