Calculation method and device based on blockchain

A computing method and block chain technology, applied in the field of block chain-based computing methods and devices, can solve problems such as inability to ensure computing security, easy data leakage, and easy tampering of algorithms, so as to ensure that it is not easy to be tampered with and improve Safety, not easy to be tampered with

Pending Publication Date: 2020-08-18
BANK OF CHINA
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the algorithm of cloud computing is in the cloud, and the data also needs to be transmitted. The algorithm is easy to be tampered with, the transmitted data is easy to leak, and the security of computing cannot be guaranteed.

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  • Calculation method and device based on blockchain
  • Calculation method and device based on blockchain
  • Calculation method and device based on blockchain

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Embodiment Construction

[0038] In order to facilitate understanding and explanation of the technical solutions provided by the embodiments of the present application, the background technology of the present application will first be described below.

[0039] After researching traditional cloud computing, the inventor found that in cloud computing technology, users upload the data used for calculation to the cloud, and calculate the user uploaded data through the algorithm stored in the cloud, and the algorithm stored in the cloud is vulnerable to attack , which will lead to certain insecurity in the algorithm used by cloud computing. Moreover, since the data used in the calculation needs to be uploaded to the cloud when performing cloud computing, there will also be problems such as data leakage during data transmission, which makes cloud computing a hidden danger of insecurity.

[0040] Based on this, the embodiment of the present application provides a blockchain-based calculation method. First, o...

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Abstract

The embodiment of the invention discloses a calculation method and device based on a blockchain. The method comprises the steps of acquiring a calculation application sent by a user side; obtaining uploaded data sent by the user side, and performing homomorphic encryption processing on the uploaded data to obtain calculation data; selecting a target algorithm from algorithms pre-stored in a blockchain network according to the calculation application; calculating the calculation data by using the target algorithm in a homomorphic encryption state to obtain a calculation result; and sending thecalculation result to the user side. According to the method of the invention, the algorithm is stored in the blockchain network, and the uploaded data sent by the user side are subjected to homomorphic encryption, so that the algorithm is not easily tampered and the security of the calculated data can be ensured, and the security of calculation can be improved.

Description

technical field [0001] This application relates to the field of Internet technology, and in particular to a computing method and device based on blockchain. Background technique [0002] With the increasing maturity of cloud technology, cloud computing technology has been widely used. Users can upload the data required for calculation to the cloud, use the algorithm model of the cloud to perform calculations, and then obtain the calculation results from the cloud. Compared with traditional computing methods, cloud computing technology has the advantages of high flexibility and efficient computing capabilities. However, the algorithm of cloud computing is in the cloud, and the data also needs to be transmitted. The algorithm is easy to be tampered with, the transmitted data is easy to leak, and the security of computing cannot be guaranteed. Contents of the invention [0003] In view of this, the embodiments of the present application provide a blockchain-based calculatio...

Claims

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Application Information

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IPC IPC(8): H04L29/08H04L29/06H04L9/00
CPCH04L67/06H04L63/0428H04L67/1097H04L9/008H04L9/50
Inventor 王旭明
Owner BANK OF CHINA
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