Unified identity authentication method based on blockchain

A technology of identity authentication and blockchain, applied in the transmission system, electrical components, etc., can solve the problems of unforgeability, unlinkability, convenience, anonymity, etc., and achieve the effect of ensuring privacy
CN109495490AActive Publication Date: 2019-03-19NO 30 INST OF CHINA ELECTRONIC TECH GRP CORP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
NO 30 INST OF CHINA ELECTRONIC TECH GRP CORP
Publication Date
2019-03-19

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Abstract

The invention discloses a unified identity authentication method based on a block chain, comprising the following four stages: 1. phase of user registration: a user registering with an annual ring server using his mobile phone number to obtain the certificate issued by the annual ring server CA; 2. phase of user binding identity: the annual ring server cooperating with a public security departmentto verify the identity of the user online with face, and recording the user identity verification result on the block chain; 3. phase of user attribute binding: the user initiating a binding requestfor the attribute to the annual ring server, and the annual ring server binding various attributes of the user to the block chain; 4. phase of user attribute presentation: the user presenting the successfully bound property to a relying party. Compared with the prior art, the positive effects of the present invention are that: the block chain technology ensures the incomprehensible modification ofvarious identity information of the user, and on the other hand, the cryptographic means is used to ensure the privacy of the user identity.
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Description

technical field

[0001] The invention relates to a block chain-based unified identity authentication method. Background technique

[0002] Traditional identity authentication is mainly offline identity authentication and center-based electronic identity authentication.

[0003] Offline identity authentication is currently supported only by citizen ID cards, and card readers are used to verify and obtain ID card information. There is currently no good verification support for other documents. At the same time, offline identity authentication has brought great changes to users carrying various documents. At the same time, there are problems such as leakage of private information and excessive acquisition of user information by merchants.

[0004] The center-based electronic identity authentication greatly relies on the credibility of the center, and the user's identity data is stored in the central server. There is a great possibility of user privacy information leakage and ce...

Claims

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