Registration and login system based on block chain zero knowledge proof and application thereof

A zero-knowledge proof, registration and login technology, applied in the field of registration and login systems, can solve the problems of user privacy information leakage, information leakage, security is not the best solution, etc., to achieve the effect of improving privacy security and protecting privacy information

Active Publication Date: 2019-12-17
SHANGHAI INSTITUTE OF TECHNOLOGY
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this registration and login method is based on the premise of collecting the user's personal information, and the user's personal information belongs to the category of privacy, and the user does not want to be collected by a third party, because this will lead to information leakage, and these information leakage incidents often occur , causing great confusion to users
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  • Registration and login system based on block chain zero knowledge proof and application thereof
  • Registration and login system based on block chain zero knowledge proof and application thereof

Examples

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[0046] Example

[0047] A registration and login system based on blockchain zero-knowledge proof, which includes a token issuance module, an account address generation module, an account registration module and an account application login module;

[0048] The implementation of the token issuance module is: the alliance chain system issues a unique token number coin[i] to the web application or mobile app that joins the chain, that is, the node, where i∈[0,2 m -1], m is the number of nodes in the alliance chain; the number of the token is determined and unique, and the use of the token indicates that the user wants to log in to the node;

[0049] The implementation of the account address generation module is: the user generates a pair of public-private key pairs (pk, sk) with a cryptographic algorithm, where the hash digest corresponding to pk is used as his address in the blockchain network, which is the original The account used by the user in the solution to log in to the node, an...

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Abstract

The invention discloses a registration and login system based on blockchain zero knowledge proof and an application of the registration and login system in a registration method given by minimizationof information amount, a token number issuing method of a node and a login method with a hidden login state. The registration and login system comprises a token issuing module, an account address generation module, an account registration module and an account login application module. According to the invention, the registration and login system is integrated into the blockchain, and based on thecharacteristics of anonymity, decentration, tamper resistance and the like of the blockchain, and zero knowledge range is added to prove that personal information such as a user account is effectively protected, so that the privacy security of the user is improved, and the privacy information of the user is protected.

Description

technical field [0001] The invention relates to a registration and login system based on blockchain zero-knowledge proof and its application, and belongs to the technical field of network information security. Background technique [0002] In the existing web and mobile app registration systems, most of them register based on mobile phone numbers, email addresses or associated accounts, and obtain login rights by obtaining verification codes to verify identities. However, this registration and login method is based on the premise of collecting the user's personal information, and the user's personal information belongs to the category of privacy, and the user does not want to be collected by a third party, because this will lead to information leakage, and these information leakage incidents often occur , causing great confusion to users. Existing solutions use the user's mobile phone number, email address or associated account (such as WeChat) to register and log in to the...

Claims

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Application Information

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IPC IPC(8): H04L9/32H04L29/06H04L9/06H04L29/08G06Q40/04
CPCH04L9/3221H04L9/3247H04L63/0815H04L63/0421H04L63/0428H04L65/1073H04L9/0643H04L67/1095G06Q40/04
Inventor 薛庆水朱浩之马海峰鞠兴忠
Owner SHANGHAI INSTITUTE OF TECHNOLOGY
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