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

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...

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 a file, he needs to upload it again as the authorizer of the file. Corresponding files, and set the operating authority of the file, therefore, causing a certain waste of network resources and reducing the efficiency of file sharing

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