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A secure fusion authentication method for user multi-modal identity based on blockchain

An authentication method and blockchain technology, applied in the field of security fusion authentication of users' multi-modal identities, can solve the problems of easy counterfeiting, single authentication elements, user information theft, etc., and achieve the effect of efficient and reliable storage and use

Active Publication Date: 2019-08-09
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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  • Abstract
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Problems solved by technology

[0004] The purpose of the present invention is to: aim at the problem that the above-mentioned existing single-factor authentication technology has a single authentication factor, and it is easy to cause counterfeiting and user information to be stolen, resulting in low security and reliability in user authentication. The present invention provides a method based on A secure fusion authentication method for user multi-modal identity in blockchain

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  • A secure fusion authentication method for user multi-modal identity based on blockchain
  • A secure fusion authentication method for user multi-modal identity based on blockchain
  • A secure fusion authentication method for user multi-modal identity based on blockchain

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Embodiment Construction

[0036] All the features disclosed in this specification, except mutually exclusive features and / or steps, can be combined in any way.

[0037] Combine below figure 1 , figure 2 , image 3 The present invention will be described in detail.

[0038] A blockchain-based security fusion authentication method for user multi-modal identity, comprising the following steps:

[0039] Initialize, generate the public key and private key of the server and trusted nodes, generate the public parameters of the server and the public algorithm of the server, where the public parameters include: the proportion of identity feature weight, similarity threshold, and the number of different forms of identities supported , The number of feature components of each identity form, and the generated public algorithms include: public hash algorithm, identity feature extraction algorithm, and identity feature matching algorithm. The similarity threshold is used to determine the similarity threshold th...

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Abstract

The invention discloses a block chain-based safe fusion authentication method of user multi-modal identity, comprising the steps of: initialization, entry of identity information, identity feature extraction, and fusion feature matching. The present invention is characterized in that it provides a complete set of mechanisms to realize safe, efficient, convenient and reliable identity authentication by combining multi-form identity fusion authentication methods, block chain technology, and public key encryption system. Among them, the user can self-select the identity information to enter, and the server performs feature extraction on the entered information, and performs fusion and matching on the identity information by decrypting the records on the block chain, and finally judges whether the user is authorized to log in. The scheme proposed by the present invention can Realize safe, efficient, convenient and reliable identity authentication.

Description

technical field [0001] The present invention relates to the technical field of identity recognition, in particular to a secure fusion authentication method based on block chains for user multi-modal identities. Background technique [0002] At present, the limitations brought by the identity authentication technology of a single security mechanism are becoming more and more obvious, and the integrated application of multiple security mechanisms is becoming a new trend. This is because the authentication technology based on a single factor (such as account password login) is prone to the risk of being counterfeited and stolen. The use of multiple security factors not only improves the security of the system, but also improves the reliability of authentication. Even if a user lacks an element of identity authentication, he can still log in with other identity information. In addition, there is currently a lack of a complete mechanism that allows users to freely choose differe...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06H04L9/32G06F21/31
CPCG06F21/31H04L9/3236H04L63/0442H04L63/08
Inventor 黄可张小松夏琦陈瑞东刘小垒
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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