A data security protection and sharing method based on block chain, a system and an application thereof

A data security and blockchain technology, applied in the field of digital information transmission, can solve problems such as data leakage and difficulties in the Internet system, and achieve the effects of ensuring storage and sharing security, simple and convenient use, and ensuring privacy

Active Publication Date: 2018-12-18
XIDIAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In summary, the problems in the prior art are: Internet system data is very vulnerable to attacks and leaks. At present, there is no suitable data sharing method to solve the p

Method used

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  • A data security protection and sharing method based on block chain, a system and an application thereof
  • A data security protection and sharing method based on block chain, a system and an application thereof
  • A data security protection and sharing method based on block chain, a system and an application thereof

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Embodiment Construction

[0062] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0063] On the basis of ensuring data integrity, confidentiality and availability, the present invention realizes fast data retrieval and efficient system consensus on data to achieve the purpose of sharing, realizes data mining and analysis, and generates value.

[0064] The application principle of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0065] Such as figure 1 As shown, the blockchain-based data security protection and sharing method provided by the embodiment of the present invention includes the following steps:

[0066] S101: Build and manage the syste...

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Abstract

The invention belongs to the technical field of digital information transmission, and discloses a data security protection and sharing method based on block chain, a system and an application thereof.Each participant sends identity authentication information and a key. The summary information and hash value of the original data are packaged and uploaded to the block chain system. The packaging node packages all the summary information and hash values received in the time period into blocks according to a certain order and sends them to the consensus node. According to the RPBFT protocol, thewhole network broadcasts the consensus result after reaching the consensus efficiently; the block is recorded into the account book according to the consensus result; different access control protocols are associated with blocks. The user can access the account book after the authorization of the access control protocol, and obtain the data summary recorded in the account book and the original information storage location by using the quick retrieval function. The user accesses the original information storage database to obtain the original data. The invention can resist the tampering of themalicious node, realize the consensus efficiently, and remarkably improve the data retrieval efficiency.

Description

technical field [0001] The invention belongs to the technical field of digital information transmission, and in particular relates to a block chain-based data security protection and sharing method, system and application. Background technique [0002] At present, the existing technologies commonly used in the industry are as follows: With the development of information and network technology and the advent of the era of big data, all kinds of data are showing explosive growth. People's mining and application of massive data provide important support for the quantitative progress of the national economy, life, military and other fields. For example, through big data mining and analysis, it is possible to detect business trends, determine the quality of research, prevent the spread of diseases, fight crime, or measure real-time traffic conditions. However, while enjoying the convenience brought by data resources, individuals and institutions are also bearing the risk of pri...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04L9/32H04L9/06
CPCH04L9/0643H04L9/3236H04L9/3268H04L63/0823H04L63/123
Inventor 樊凯王尚阳任延辉孙士礼李晖
Owner XIDIAN UNIV
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