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Outsourcing data access control system based on block chain

A data access and access control technology, applied in the blockchain field, can solve the problem that data owners are difficult to supervise and control data users' access to data, and achieve the effect of providing security and reliability

Active Publication Date: 2021-10-08
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The data owner uploads the data to the cloud server, and the data user accesses the data through the cloud server. The data user needs to have access rights to access the data. The data owner It is difficult to supervise and control the process of data users accessing data, and it is difficult to prevent some data users from maliciously accessing and operating data

Method used

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  • Outsourcing data access control system based on block chain
  • Outsourcing data access control system based on block chain
  • Outsourcing data access control system based on block chain

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Embodiment Construction

[0032] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0033] The embodiment of the present invention provides a blockchain-based outsourced data access system. The system includes a client, a cloud server, and a blockchain network (blockchain platform or system), wherein the client can serve as a data owner, or As a data user, the data owner is the owner of the outsourced data, and has the right to supervise and control the outsourced data; the user who requests and operates the data in the system is called the data user, and is the entity authorized by the data owner to use the data The cloud server is a platform for data owners to upload data, that is, data outsourcing storage, and data users access data through the cloud server; the blockchain network records the logs of data owners and...

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PUM

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Abstract

The invention discloses an outsourcing data access control system based on a block chain, and belongs to the technical field of block chains. The system comprises a user side, a cloud server and a block chain network, the user side is accessed to the cloud server and the block chain network, data interaction can be performed between the cloud server and the block chain network, and a user corresponding to the user side is a data stakeholder, comprising a data owner and a data user requesting data and operating the data, and is an entity authorized by the data owner to use the data; the cloud server is a storage end for a data owner to upload data, namely a platform for data outsourcing storage, and the data user accesses the data through the cloud server; a block chain network records logs of data access and operation of a data owner and a data user, and the security and reliability of outsourcing data access platform data are provided.

Description

technical field [0001] The invention relates to the technical field of block chains, in particular to a block chain-based outsourcing data access control system. Background technique [0002] Blockchain technology is a distributed ledger technology that can solve the trust problem in an open network without relying on any third-party trusted organization. The characteristics of blockchain technology are decentralization, non-tampering, transparency and fairness and traceability. [0003] Data outsourcing refers to the outsourcing of the basic, common, non-core IT business and IT-based business processes originally provided by the enterprise in the value chain to external professional service providers. The data in the service provider is called outsourced data. [0004] The data owner uploads the data to the cloud server, and the data user accesses the data through the cloud server. The data user needs to have access rights to access the data. It is difficult for the data ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F16/2458G06F16/27G06F21/60G06F21/62
CPCG06F16/2471G06F16/27G06F21/6227G06F21/602G06F2221/2107
Inventor 夏琦高建彬朱涵仪宋炜
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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