Agent service for downloading specified file through user authentication

By using the combination of zero-knowledge proof and elliptic curve encryption technology in the user authentication and file distribution system, dynamic download links are generated and integrity verification is performed, and the security and reliability problems of user authentication and file distribution in the existing technology are solved, achieving more efficient and secure file transmission.

CN119696911APending Publication Date: 2025-03-25JIANGSU HUANXUN INFORMATION TECH CO LTD
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Patent Information

Application Number
CN202411913012.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-24
Publication Date
2025-03-25

AI Technical Summary

Technical Problem

The prior art has problems such as insufficient security in user authentication and file distribution, limited anti-tampering and access control capabilities of file download links, and insufficient guarantee of file transfer integrity and reliability.

Method used

The user authentication module uses the zero-knowledge proof mechanism and elliptic curve encryption technology to authenticate users and generate authentication credentials; the dynamic download link generation module generates dynamic download links based on the user's authentication credentials, and verifies the link legality and file transfer integrity through the file download and verification module.

Benefits of technology

Improve the security of user identity authentication, prevent data leakage and identity impersonation, enhance the uniqueness and tamper-proofness of download links, and ensure the integrity and reliability of file transfers.

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Abstract

The invention relates to the technical field of information security, and discloses a proxy service for downloading a specified file through user authentication, which comprises a user authentication module for authenticating a user identity through a public key encryption technology to generate an authentication credential; the dynamic downloading link generation module is used for generating a dynamic downloading link associated with the user identity and the file resource according to the authentication certificate of the user; and the file downloading and verifying module is used for verifying legality and validity of the dynamic downloading link and completing file transmission and integrity verification. Through combination of zero-knowledge proof and an elliptic curve encryption technology, random commitment of a user and server verification are realized, identity legality is ensured, direct transmission of a private key and sensitive data is avoided, and data leakage, identity impersonation and replay attack are prevented; meanwhile, by utilizing a dynamic signature mechanism and an elliptic curve discrete logarithm problem, the anti-cracking capability of authentication and downloading link generation is improved, and the system security is remarkably enhanced.
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