Secure multi-party computing method, electronic device and storage medium

A technology of secure multi-party computing and calculation results, applied in the field of secure multi-party computing, can solve the problem of insufficient data confidentiality, and achieve the effect of robust and high-security secure multi-party computing process

Pending Publication Date: 2021-01-05
YGSOFT INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] This application provides a secure multi-party computing method, electronic equipment and storage media, which can solve the problem that the existing secure multi-party computing method does not have enough confidentiality for data

Method used

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  • Secure multi-party computing method, electronic device and storage medium
  • Secure multi-party computing method, electronic device and storage medium
  • Secure multi-party computing method, electronic device and storage medium

Examples

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Embodiment Construction

[0031] The following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0032] The terms "first", "second", and "third" in this application are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, features defined as "first", "second", and "third" may explicitly or implicitly include at least one of these features. In the description of the present application, "plurality" means at least t...

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Abstract

The invention discloses a secure multi-party computing method, an electronic device and a storage medium. The method comprises: selecting a plurality of secure multi-party computing nodes from a secure multi-party computing node set to serve as participation nodes on the basis of the security fund number and/or credit value through a management contract, and the security fund number and/or creditvalue of the secure multi-party computing nodes being in positive correlation with the probability of being selected as the participation nodes; wherein the participation nodes form a participation node set, and the management contract is deployed on the blockchain; sending the first number of pieces of sub-data to different participation nodes in a participation node set by utilizing a calculation contract, and deploying the calculation contract on a block chain; receiving the transaction information of the participation node by using the calculation contract, and obtaining the transaction information by calculating the sub-data by the participation node under the condition that the sub-data is real; and obtaining a final calculation result based on the transaction information by utilizing the calculation contract. In this way, the data security can be improved.

Description

technical field [0001] The present application relates to the field of secure multi-party computing, in particular to a secure multi-party computing method, electronic equipment and storage media. Background technique [0002] With the advent of the era of big data, data becomes more and more important. And data needs to be calculated to reflect or realize its value. However, many users are considering information security or interests, and their data is often kept in a confidential state, forming islands of data. Therefore, in an environment where user data has no privacy, it is particularly important to confirm data rights and realize data value. [0003] Secure Multiparty Computation (MPC) is a computing protocol based on this purpose. During the execution of the entire computing protocol, users always have control over their personal data, and only the computing logic is public. Participants only need to participate in the calculation, and can complete the data calcul...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q20/38H04L9/08
CPCG06Q20/382G06Q20/3829H04L9/085
Inventor 鲁静程晗蕾宋斌段焱明
Owner YGSOFT INC
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