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Medicine enterprise supervision method based on block chain

A blockchain and enterprise technology, applied in the field of computer science, can solve problems such as inapplicability, and achieve the effect of improving management efficiency

Pending Publication Date: 2020-01-14
HUNAN UNIV
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AI Technical Summary

Problems solved by technology

In order to solve this problem, some researchers have designed some methods to completely encrypt transaction data, but this method is not applicable to the supervision of pharmaceutical companies

Method used

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  • Medicine enterprise supervision method based on block chain
  • Medicine enterprise supervision method based on block chain

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Embodiment Construction

[0022] The present invention provides a method for supervising pharmaceutical companies based on blockchain. In order to describe the present invention more specifically, the technical solution of the present invention will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0023] figure 1 It is a flow chart for the supervision and implementation of pharmaceutical companies:

[0024] Step 1: Enterprise node A initiates a semi-public transaction T(a,b), where a is the enterprise production process data that needs to be kept secret, and b is the enterprise and drug information data that can be disclosed; enterprise node A uses the AES algorithm to generate its own The key A-AES, use the key A-AES to encrypt the production process data a of the enterprise into A(a), turn it into a semi-public transaction T(A(a),b), and calculate the semi-public transaction T( The hash value HA of A(a), b), and then use the public key...

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Abstract

The invention belongs to the field of computer science, and discloses a medicine enterprise supervision method based on a block chain. The enterprise node regularly encrypts the production process data of the enterprise drug production supervision process and packages and sends the encrypted production process data and public data to the local drug supervision node, and the local medicine supervision node signs the hash value of the semi-public transaction and sends the hash value back to the enterprise after passing the auditing, the enterprise broadcasts the semi-public transaction, and thelocal medicine supervision node packages the semi-public transaction into a block to be uploaded and broadcasts after at least 2 / 3 of the enterprise agrees with the semi-public transaction. And when other enterprise nodes ask for the semi-public transaction, a question application is submitted to the general supervision node, a verification contract is called by the general supervision node to verify the semi-public transaction, and punishment awarding is performed on two asked parties. According to the method, the enterprises can be mutually supervised under the condition of ensuring the production process data confidentiality of the enterprises, and the method has very important popularization and application values.

Description

technical field [0001] The invention belongs to the field of computer science and relates to the application of block chain technology, in particular to a method for supervising pharmaceutical companies based on block chain. Background technique [0002] At present, most of the transactions on the public chain are transparent. For example, the initiator and recipient of each transaction and the amount of the corresponding transaction are all public. Interested parties can still query anonymous accounts indirectly by querying transaction records. corresponding specific individuals. In order to solve this problem, some researchers have designed some methods to completely encrypt transaction data, but this method is not applicable to the supervision of pharmaceutical companies. The present invention designs a scheme that makes the production process data of pharmaceutical companies only visible to the drug regulatory agency, and others such as company name, company code, compa...

Claims

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Application Information

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IPC IPC(8): G06Q50/26G06Q40/04G06F21/64
CPCG06F21/64G06Q40/04G06Q50/26
Inventor 彭绍亮刘加梦胡星李肯立蒋洪波许莹唐卓李姗姗王小奇王建民
Owner HUNAN UNIV
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