Manufacture link multi-entity security synergy method based on blockchain

Abstract

The invention provides a manufacture link multi-entity security synergy method based on a blockchain. The method comprises the following steps that: firstly, creating a root certificate by the CA (Certificate Authority), and verifying a new certificate which applies to be added into an entity; then, when a bid inviting entity in a trusted network initiates a synergy requirement, releasing requirement information and the signature of the requirement information to the trusted network through ''a smart contract for bid inviting releasing''; when a bidding entity receives the synergy requirement,through negotiation between a ''smart contract for communication key negotiation'' and the bid inviting entity, forming a shared secret key for decrypting the bidding information of the correspondingentity, and releasing encrypted bidding information and singed bidding information into the trusted network; after the bid inviting entity receives the bidding information, checking the credit information of the bidding entity, combining with the credit of the bidding entity to comprehensively evaluate all bidding information, and preferentially selecting one bidding entity as a bid winning entity to carry out synergy product production with the bid inviting entity; and finally, checking and accepting a product delivered by the bid winning entity by the bid inviting entity, and after the product is qualified, carrying out credit evaluation on the bid winning entity.

Description

technical field [0001] The invention belongs to the field of multi-entity collaboration in manufacturing of information security, and specifically relates to a multi-entity security collaboration method in manufacturing links based on block chain. Background technique [0002] As a pillar industry in my country, the manufacturing industry has always maintained a good development trend. However, it is undeniable that the research and application of my country's manufacturing product technology, production technology and management technology still lags far behind industrial developed countries, especially in terms of labor productivity, industrial value-added rate, and energy consumption. There is significant room for improvement. . Supply chain management is an indispensable key link in manufacturing production and management. With the increasing popularity of supply chain management, more and more manufacturing enterprises have become a member of the supply chain. Uncertai...

AI Technical Summary

Problems solved by technology

At present, there is no solution that combines blockchain technology with multi-entity collaboration under manufacturing management, which can effectively solve the problem of information asymmetry during collaboration between entities and provide a method for collaborative information security, information authenticity, and traceability

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