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Multi-party computing method and device based on blockchain, equipment and medium

A multi-party computing and blockchain technology, applied in the computer field, can solve the problem of data security on the chain cannot be guaranteed, and achieve the effect of improving security

Active Publication Date: 2020-06-02
BEIJING BAIDU NETCOM SCI & TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the openness of the blockchain, the security of data on the chain cannot be guaranteed

Method used

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  • Multi-party computing method and device based on blockchain, equipment and medium
  • Multi-party computing method and device based on blockchain, equipment and medium
  • Multi-party computing method and device based on blockchain, equipment and medium

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Embodiment Construction

[0067] Exemplary embodiments of the present application are described below in conjunction with the accompanying drawings, which include various details of the embodiments of the present application to facilitate understanding, and they should be regarded as exemplary only. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the application. Also, descriptions of well-known functions and constructions are omitted in the following description for clarity and conciseness.

[0068] The blockchain-based multi-party computing method, device, device, and medium disclosed in the embodiments of the present application are described below with reference to the accompanying drawings. First, the block chain-based multi-party computing method disclosed in the embodiment of the present application is described by taking the executing subject as th...

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Abstract

The embodiment of the invention discloses a multi-party computing method and device based on blockchain, equipment and a medium, and relates to the blockchain technology in the technical field of computers. The method comprises the following steps: encrypting service data to obtain a service data ciphertext; performing hash processing on the service data ciphertext to obtain a service data hash result; sending a service data hash result to the blockchain node to indicate the blockchain node to write the service data hash result into the blockchain; and sending the service data ciphertext to atarget trusted computing module in the target server, wherein the service data ciphertext is used for indicating the target trusted computing module to perform multi-party computing according to the service data ciphertext and the service data hash result in the blockchain. According to the embodiment of the invention, a solution considering the security and reliability of multi-party computing data is provided, and conditions are provided for ensuring the security and reliability of the data.

Description

technical field [0001] The embodiment of the present application relates to the field of computer technology, specifically to blockchain technology, and in particular to a blockchain-based multi-party computing method, device, device, and medium. Background technique [0002] Blockchain is a new application model of computer technologies such as distributed data storage, point-to-point transmission, consensus mechanism, and encryption algorithm. The distributed transaction processing process of the blockchain is generally processed by a block generation node. [0003] With the rapid development of Internet technology, enterprises need to share data. When sharing data between enterprises, how to protect the security of data is very important. [0004] In order to improve the credibility (that is, reliability) of shared data, blockchain can be used to store certificates for shared data. However, due to the openness of the blockchain, the security of data on the chain cannot ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F21/62G06F21/60
CPCG06F21/6218G06F21/602H04L63/123H04L63/0435H04L9/3239H04L2209/46G06F21/64H04L9/50H04L9/0643H04L9/0618H04L9/3247H04L63/0428
Inventor 孟洋陈浩栋宋雨筱王辉黎相敏曹京奇
Owner BEIJING BAIDU NETCOM SCI & TECH CO LTD
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