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A unified identity authentication method based on block chain

A technology of identity authentication and blockchain, which is applied in the transmission system, digital transmission system, encryption device with shift register/memory, etc., can solve the problems of lack of guarantee of transaction security and leakage of user identity information, and achieve the goal of solving the problem of encryption The effect of key distribution, ensuring continuity, and ensuring security

Active Publication Date: 2022-06-07
ZHEJIANG GONGSHANG UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

That is, the existing blockchain identity authentication method generally adopts conventional digital signature and public key verification, which is easy to leak the user's identity information during the transaction process, and the security of the transaction is not guaranteed.

Method used

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  • A unified identity authentication method based on block chain
  • A unified identity authentication method based on block chain
  • A unified identity authentication method based on block chain

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0025] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0026] A unified identity authentication method based on blockchain, the blockchain includes a primary node (KGC) and a secondary node, and secondary nodes are users in the blockchain. In order to achieve the security and confidentiality of the identity authentication of both parties in the blockchain, the following methods are provided:

[0027] Step 1. The first node A and the second node B initiate and create transaction n AB (that is, the transaction information that needs to be carried out between A and B), both parties verify the transaction n respectively AB The legitimacy of the transaction (including the price of the transaction, etc.), after authentication by both parties, the two parties send the transaction n AB request to all master nodes;

[0028] Step 2. All master nodes receive transaction n AB After the request, joi...

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Abstract

A block chain-based unified identity authentication method belongs to the field of block chain technology. The present invention includes the following steps: after receiving the transaction request, all master nodes jointly generate two verification keys, and send them to the primary node A and the secondary node B respectively, and each master node, after receiving the transaction request, respectively Generate two keys containing the master node's own identity information, and send them to the primary node A and the second node B respectively; the first node A and the second node B according to their respective ID numbers and transaction n AB The information generates the key e respectively A and e B , the first time node A according to the key e A and the received authentication key to generate the authentication key S A , the second time node B according to e B and the received authentication key to generate the authentication key S B , and send S to each other A and S B , to verify each other's identities are legitimate. The invention can effectively authenticate the identities of both transaction parties in the block chain, and at the same time ensure the security of transactions and the confidentiality of node identities.

Description

technical field [0001] The invention relates to the technical field of blockchain, in particular to a blockchain-based unified identity authentication method. Background technique [0002] Blockchain technology is built on the Internet, using P2P, distributed storage, and distributed key ideas to combine chronological blocks of data into specific data structures in the chain. The chain structure of the blockchain uses cryptographic signatures to ensure that the chain connection of data cannot be tampered with or forged. It can store a large amount of optical time series fingerprint data. The blockchain can be used as a database of data records, which is shared by network nodes. Different from existing databases, when nodes update data, they will submit data records. Through a consensus mechanism, the consistency of data between nodes is guaranteed; after consistency is determined, records such as blockchain will not be changed or changed. delete. Blockchain is a distribu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L9/40H04L9/08H04L9/06H04L67/1095G06Q40/04H04L67/1097
CPCH04L63/08H04L63/0414H04L9/0866H04L9/0861H04L9/0643H04L67/1095G06Q40/04H04L67/1097H04L9/50
Inventor 琚春华沈仲华鲍福光李姝玥张俞佳黄雯静
Owner ZHEJIANG GONGSHANG UNIVERSITY
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