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Multi-party security computing method and device based on block chain platform, and electronic equipment

A computing method and block chain technology, applied in the fields of multi-party secure computing methods, devices and electronic equipment, can solve problems such as lack of verifiability of the computing process and results, to improve autonomous security and controllability, increase credibility, Achieving Verifiability Effects

Active Publication Date: 2021-07-09
HEBEI AISINO TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the Boolean shared secure multi-party computing technology based on the semi-honest model realizes the privacy protection of the input data in the logic calculation process of multi-party collaboration, the calculation process and results lack verifiability.

Method used

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  • Multi-party security computing method and device based on block chain platform, and electronic equipment
  • Multi-party security computing method and device based on block chain platform, and electronic equipment
  • Multi-party security computing method and device based on block chain platform, and electronic equipment

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Embodiment Construction

[0072] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0073] In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention based on specific situations.

[0074] The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0075] 1. The present invention ...

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Abstract

The invention provides a multi-party security computing method and device based on a block chain platform and electronic equipment, and the method comprises the steps: taking an alliance chain as a block chain bottom layer support architecture, locally completing Boolean multi-party security computing, and uploading data and result information; nodes on the chain serving as participants and having roles of Boolean data multi-party security calculation including any one, two or all of a data party, a calculation party and a result party at the same time, and AND, NOT and XOR calculation of Boolean data security multi-party is achieved through security multi-party calculation of polynomial secret sharing on the basis of an underlying cryptographic algorithm. Under the mechanism of the alliance chain block chain, Boolean multi-party security calculation is combined with the block chain technology, polynomial Boolean multi-party security calculation based on the semi-honesty model is achieved, the credibility, verifiability and traceability of calculation are improved, and verifiability of multi-party security calculation is achieved.

Description

technical field [0001] The invention belongs to the technical field of distributed networks, and in particular relates to a multi-party secure computing method, device and electronic equipment based on a block chain platform. Background technique [0002] At present, data assets, as one of the factors of production, carry out frequent and extensive multi-party data fusion calculations in data transaction systems among various enterprises and institutions in finance, logistics, and medical care. Although the Boolean shared secure multi-party computing technology based on the semi-honest model realizes the privacy protection of the input data in the process of multi-party collaborative logic calculation, the calculation process and results lack verifiability. [0003] In the existing technology, the decentralized, non-tamperable, open and transparent features of the blockchain are a sharp weapon to solve the trust problem. How to implement multi-party secure computing based o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L9/08H04L9/32
CPCH04L9/085H04L9/0869H04L9/3239H04L9/3297H04L9/50
Inventor 伺彦伟杨为琛薛方田心张平印马军肖张国超赵博媛范国华
Owner HEBEI AISINO TECH CO LTD
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