File authorization access method, device and system based on block chain

A technology of authorized access and block chain, which is applied in the computer field, can solve the problems of reducing the efficiency of file sharing and wasting network resources, and achieve the effects of avoiding uploading and downloading, improving security, ensuring security and not being tampered with

Inactive Publication Date: 2019-12-31
THE PEOPLES BANK OF CHINA DIGITAL CURRENCY INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the process of realizing the present invention, the inventor found that there are at least the following problems in the prior art: when an operator with authority wants to authorize other people to download, use or view

Method used

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  • File authorization access method, device and system based on block chain
  • File authorization access method, device and system based on block chain
  • File authorization access method, device and system based on block chain

Examples

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Embodiment Construction

[0045] Exemplary embodiments of the present invention are described below in conjunction with the accompanying drawings, which include various details of the embodiments of the present invention to facilitate understanding, and they should be regarded as exemplary only. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the invention. Also, descriptions of well-known functions and constructions are omitted in the following description for clarity and conciseness.

[0046] Such as figure 1 As shown, the embodiment of the present invention provides a blockchain-based file authorization access method, which may specifically include the following steps:

[0047]Step S101, receiving a file authorization request sent by a first user, the file authorization request indicating an authorized user identification list and the file identificati...

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PUM

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Abstract

The invention discloses a file authorization access method, device and system based on a block chain, and relates to the technical field of computers. One specific embodiment of the method comprises the following steps: receiving a file authorization request sent by a first user, wherein the file authorization request indicates an authorized user identifier list and a file identifier of the file,and the authorized user identifier list comprises an authorized user identifier of an authorized user having an operation authority for the file; respectively generating file certificate information for the authorized user to operate the file; respectively encrypting the file certificate information by using an authorized user public key of the authorized user; and correspondingly publishing the encrypted file certificate information for the authorized user and one or more of the authorized user identifier and the authorized user public key to a block chain. According to the embodiment, file uploading or downloading in the file authorization process is avoided, the file security is improved, and network resources are saved.

Description

technical field [0001] The present invention relates to the field of computer technology, in particular to a block chain-based file authorization access method, device and system. Background technique [0002] With the development of Internet technology, more and more resources, information and other content are circulated on the Internet, and as a common carrier of resources and information, the security and confidentiality of documents are very important, especially when documents record business When confidential information such as secrets, cooperation agreements, and personal information are extremely in need of protection. [0003] In order to ensure the security of files, a commonly used method for protecting files is to selectively set operation permissions or access permissions of file users. However, in the process of realizing the present invention, the inventor found that there are at least the following problems in the prior art: when an operator with authority...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04L9/32
CPCH04L63/101H04L63/108H04L9/321H04L9/3247H04L9/3239H04L63/08
Inventor 穆长春
Owner THE PEOPLES BANK OF CHINA DIGITAL CURRENCY INST
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