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Data sharing method and device, terminal and storage medium

A data sharing and data technology, applied in the blockchain field, can solve problems such as damage to data computing efficiency, and achieve the effect of ensuring privacy protection

Pending Publication Date: 2021-10-22
HANGZHOU QULIAN TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The embodiment of the present application provides a data sharing method, device, terminal and storage medium to solve the problem in the prior art that the privacy union method damages the data calculation efficiency under the premise of ensuring the security of the algorithm

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  • Data sharing method and device, terminal and storage medium
  • Data sharing method and device, terminal and storage medium
  • Data sharing method and device, terminal and storage medium

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Embodiment Construction

[0024] In the following description, specific details such as specific system structures and technologies are presented for the purpose of illustration rather than limitation, so as to thoroughly understand the embodiments of the present application. It will be apparent, however, to one skilled in the art that the present application may be practiced in other embodiments without these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.

[0025] It should be understood that when used in this specification and the appended claims, the term "comprising" indicates the presence of described features, integers, steps, operations, elements and / or components, but does not exclude one or more other features. , whole, step, operation, element, component and / or the presence or addition of a collection thereof.

[0026] It shou...

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Abstract

The invention is suitable for the technical field of block chains, and provides a data sharing method and device, a terminal and a storage medium. The method comprises the steps: initiating, by an initiator node, encrypted information sharing with N groups of participant nodes related to a data sharing task based on the data sharing task; and receiving encrypted shared data sent by the first group of participant nodes in the N groups of participant nodes, and decrypting the encrypted shared data based on the encryption information to obtain shared data. According to the scheme, the operation efficiency can be improved on the premise of ensuring the algorithm security.

Description

technical field [0001] The present application belongs to the technical field of blockchain, and in particular relates to a data sharing method, device, terminal and storage medium. Background technique [0002] Data is a very important national resource, but due to security, compliance and some historical reasons, data is backlogged in various enterprises, forming a data island. How to make data flow safely is a problem that needs to be studied at this stage . [0003] In the existing technology, federated computing, especially the privacy union in federated computing, is a solution to this problem, which can realize the flow of value without data out of the database. [0004] For example, if there is an organization A that needs the data union of organization B, organization C and organization D, organization A can obtain the union of all data sets after using privacy union, but it is impossible to know the specific source of each element in the collection Which institut...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F21/60G06F21/62
CPCG06F21/602G06F21/6218G06F21/6245
Inventor 邱炜伟李伟汪小益匡立中张帅
Owner HANGZHOU QULIAN TECH CO LTD
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