CN115829595A - Garment products supply chain system of traceing back based on block chain - Google Patents
Garment products supply chain system of traceing back based on block chain Download PDFInfo
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- CN115829595A CN115829595A CN202310107149.9A CN202310107149A CN115829595A CN 115829595 A CN115829595 A CN 115829595A CN 202310107149 A CN202310107149 A CN 202310107149A CN 115829595 A CN115829595 A CN 115829595A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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- Y02P90/30—Computing systems specially adapted for manufacturing
Abstract
The invention discloses a block chain-based garment product supply chain tracing system, which relates to the technical field of supply chains and comprises a service center, wherein the service center is in communication connection with a data input module, a data processing module and a product tracing module; after the information of the clothing products obtained by different supply chain nodes is uploaded to a service center, the product tracing code and the index link corresponding to the supply chain nodes are encrypted to obtain a public key uniquely corresponding to the clothing products, after the user purchases the clothing products, the public key corresponding to the clothing products purchased by the user is sent to the user, and the user can inquire the information of the clothing products through the obtained public key, so that the information difference between the user and a merchant is eliminated, and the risk that the user purchases fake and shoddy products is reduced.
Description
Technical Field
The invention relates to the technical field of supply chains, in particular to a block chain-based garment product supply chain tracing system.
Background
The clothing supply chain is characterized in that a core enterprise (clothing brand) is surrounded, starting from a designer design draft, a design clothing and a finished goods are manufactured by integrating a surface auxiliary material and a ready-made clothing, and finally the clothing is sent to a consumer through a sales network, a supplier (a surface auxiliary material supplier), a ready-made clothing factory, a brand agency distributor and the end consumer user are connected into an integral functional network chain structure. The quality of a supply chain system in the clothing industry often directly determines the comprehensive strength and competitiveness of enterprises and industries;
in the prior art, supply chain information of a clothing product can be inquired by only a merchant, and after the user purchases the clothing product, the supply chain information of the clothing product cannot be inquired, so that information deviation exists, and the information deviation can cause the user to have the risk of purchasing counterfeit and shoddy products.
Disclosure of Invention
The invention aims to provide a block chain-based garment product supply chain tracing system.
The purpose of the invention can be realized by the following technical scheme: a block chain-based garment product supply chain tracing system comprises a service center, wherein the service center is in communication connection with a data entry module, a data processing module and a product tracing module;
the data entry module is used for entering the clothing product information at each supply chain link point on the digital clothing product supply chain;
the data processing module is used for processing the clothing product information input by each supply chain node, fitting the secondary association sequence of each supply chain node to obtain a product traceability code corresponding to the clothing product information, and associating the product traceability code with the clothing product information through an index link;
the product source tracing module is used for the user to inquire the supply chain information of the purchased clothing products.
Further, the establishment process of the supply chain of the digital clothing product comprises the following steps:
constructing a digital clothing product supply chain by a block chain technology, and setting corresponding chain loading ends according to the constructed digital clothing product supply chain, wherein each chain loading end corresponds to a supply chain node;
setting an information verification port, and performing supply chain link point information authentication on a supply chain node through the information verification port;
and the supply chain nodes input the held identity verification sequence and the verification password into the information verification port for verification, and after the verification is passed, the corresponding supply chain nodes obtain the uplink permission of the upper chain ends corresponding to the supply chain nodes.
Further, the process of entering the clothing product information by the data entry module comprises:
each supply chain node is used for inputting the information of the clothing products when receiving the clothing products;
acquiring the clothing product information input by each supply chain node through a product input module, and marking the clothing product information of each supply chain node; the clothing product information comprises clothing product basic information and supply chain node basic information;
the basic information of the clothing product comprises a product serial number, a style, a color, a size and a material,
after the clothing product passes through the supply chain node, the input clothing product information is uploaded to the service center.
Further, the processing procedure of the clothing product information by the data processing module comprises:
acquiring an identity verification sequence corresponding to a supply chain link point through which a clothing product passes, and generating a secondary association sequence associated with clothing product information corresponding to the supply chain link point according to the acquired identity verification sequence;
fitting the obtained secondary association sequence with a secondary association sequence generated by the previous supply chain node every time the clothing product passes through one supply chain node, and taking the fitting result as a product traceability code of the supply chain node;
indexing and linking the obtained product tracing codes and the obtained clothing product information corresponding to all supply chain link points through which the clothing product passes;
uploading the product tracing code and the index link to a service center, and carrying out cloud encryption on the product tracing code and the index link uploaded to the service center.
Further, the process of cloud encryption of the product tracing code and the index link comprises the following steps:
converting the obtained product tracing codes and index links into corresponding binary sequences consisting of a plurality of binary unit codes;
respectively obtaining the lengths of binary sequences converted by the product tracing codes and the index links;
respectively obtaining all common factors corresponding to the converted binary sequence length according to the converted binary sequence length, and respectively summarizing the obtained common factors to obtain a corresponding common factor set;
respectively obtaining whether common factors in the common factor set have prime numbers, and if so, respectively marking the maximum prime number in the prime numbers;
if no prime number exists, acquiring a maximum prime number smaller than the length value of the binary sequence;
obtaining prime numbers which are relatively prime with the obtained prime numbers and are smaller than the obtained prime numbers;
obtaining a corresponding public key and a corresponding private key according to the obtained prime numbers;
and sending the obtained private key to a corresponding supply chain node, and uploading the obtained public key to a service center for storage.
Further, the process of querying the supply chain information of the purchased clothing product by the user comprises the following steps:
after a user purchases a clothing product, the user provides a mobile phone number with real-name authentication for a merchant, and uploads the mobile phone number and a product serial number of the purchased clothing product to a service center;
acquiring a public key corresponding to the clothing product, associating the acquired public key with a mobile phone number of a user, sending the public key to the mobile phone of the user, and marking the product serial number of the clothing product as a 'traded' state;
the user inputs the obtained public key into the product tracing module to obtain the clothing product information of all supply chain nodes passed by the purchased clothing product.
Compared with the prior art, the invention has the beneficial effects that: after the information of the clothing products obtained by different supply chain nodes is uploaded to a service center, a public key uniquely corresponding to the clothing products is obtained by encrypting the product tracing source codes and the index links corresponding to the supply chain nodes, after the user purchases the clothing products, the public key corresponding to the clothing products purchased by the user is sent to the user, and the user can inquire the information of the clothing products through the obtained public key, so that the information difference between the user and a merchant is eliminated, and the risk that the user purchases fake and shoddy products is reduced.
Drawings
Fig. 1 is a schematic diagram of the present invention.
Detailed description of the preferred embodiments
As shown in fig. 1, a system for tracing a supply chain of a clothing product based on a block chain comprises a service center, wherein the service center is in communication connection with a data entry module, a data processing module and a product tracing module;
the data entry module is used for entering clothing product information, and the specific process comprises the following steps:
constructing a digital clothing product supply chain by a block chain technology, and setting corresponding chain loading ends according to the constructed digital clothing product supply chain, wherein each chain loading end corresponds to a supply chain node; it is further noted that, in the implementation process, the upper link end is set by a manager of the service center;
setting an information verification port, and performing supply chain link point information authentication on a supply chain node through the information verification port;
the supply chain node inputs the held identity verification sequence and the verification password into the information verification port for verification, and after the verification is passed, the corresponding supply chain node obtains the uplink authority of the upper chain end corresponding to the supply chain node; it should be further noted that, in the specific implementation process, the authentication sequence and the authentication password are distributed by the service center, and the authentication sequence and the authentication password of different supply chain nodes are different;
the data entry module is used for each supply chain node and entering the information of the clothing products when the clothing products are received;
the various supply chain nodes are numbered in sequence, denoted as i, where i =1,2, \8230;, n, n are integers;
acquiring the clothing product information input by each supply chain node through a product input module, marking the clothing product information of each supply chain node, and uploading the acquired clothing product information to a service center; it is further noted that, in the implementation process, the clothing product information includes clothing product basic information and supply chain node basic information;
the basic information of the clothing products comprises product serial numbers, styles, colors, sizes and materials, and the basic information of the supply chain nodes comprises names of the supply chain nodes, addresses of the supply chain nodes, types of the supply chain nodes and the time of the clothing products entering the supply chain nodes and leaving the supply chain nodes; the supply link point types include supplier, manufacturer, distributor, and retailer;
after the clothing product passes through the supply chain node, the input clothing product information is uploaded to the service center.
The data processing module is used for processing the clothing product information uploaded to the service center by each supply chain link point, and the specific processing process comprises the following steps:
marking a first supply link point through which the clothing product passes as an initial supply link node;
after the clothing product passes through the first supply chain node, uploading the generated corresponding clothing product information to a service center;
acquiring an identity verification sequence corresponding to a first supply chain link point, generating a secondary association sequence associated with the clothing product information corresponding to the first supply chain link point according to the acquired identity verification sequence, marking the secondary association sequence generated by the identity verification sequence corresponding to the first supply chain link point as a first secondary association sequence, storing the first secondary association sequence in a service center, marking the generated first secondary association sequence as a product traceability code, and performing index linking on the obtained product traceability code and the clothing product information corresponding to the first supply chain link point;
after the clothing product passes through the second supply chain node, acquiring an identity verification sequence corresponding to the second supply chain node, generating a secondary association sequence associated with the clothing product information corresponding to the second supply chain node according to the acquired identity verification sequence, and marking the secondary association sequence generated by the identity verification sequence corresponding to the second supply chain node as the second secondary association sequence;
fitting the obtained first secondary association sequence and the obtained second secondary association sequence, updating the product traceability codes according to fitting results, and performing index linking on the updated product traceability codes and the clothing product information corresponding to the first supply chain node and the second supply chain node; the updated product tracing code is consistent with the length of the secondary correlation sequence;
by analogy, after the clothing product passes through the supply chain nodes, generating corresponding secondary association sequences according to the identity verification sequences corresponding to the passed supply chain nodes, fitting all the generated secondary association sequences, continuously updating the product traceability codes according to the fitting results, and performing index linkage on the updated product traceability codes and clothing product information obtained by corresponding to all the supply chain nodes passed by the clothing product;
uploading the updated product tracing source code and the updated index link to a service center, and performing cloud encryption on the product tracing source code and the updated index link uploaded to the service center;
it should be further explained that, in the specific implementation process, the process of cloud encryption on the product tracing code and the index link includes:
converting the obtained product tracing codes and the index links into corresponding binary sequences consisting of a plurality of binary unit codes;
respectively obtaining the lengths of binary sequences converted by the product tracing codes and the index links, and respectively marking the lengths of the converted binary sequences as S and L;
respectively obtaining all common factors corresponding to the converted binary sequence lengths S and L, and respectively summarizing the obtained common factors to obtain corresponding common factor sets which are respectively marked as P (S) and P (L);
respectively obtaining whether common factors in the common factor set have prime numbers, and if so, respectively marking the maximum prime number in the prime numbers;
if no prime number exists, acquiring a maximum prime number smaller than the length value of the binary sequence;
recording the maximum prime number obtained by the binary sequence corresponding to the product tracing code as Q1;
recording the maximum prime number obtained by the binary sequence corresponding to the index link as Q2;
obtaining prime numbers which are relatively prime with Q1 and smaller than Q1, and marking the maximum value in the obtained prime numbers as H1;
obtaining prime numbers which are relatively prime with Q2 and smaller than Q2, and marking the maximum value in the obtained prime numbers as H2;
respectively obtaining a public key and a private key, marking the public key as P1 and the private key as P2;
wherein P1= Q2 × H2;
P2=Q1*H1*P1；
sending the obtained private key to a corresponding supply chain node, and uploading the obtained public key to a service center for storage;
it should be further explained that, in the specific implementation process, after the information of the clothing products obtained by different supply chain nodes is uploaded to the service center, the private keys obtained by different supply chain nodes are different according to the difference of the product tracing codes corresponding to the supply chain nodes;
according to the sequence of supply chain nodes passed by the clothing product, the private key corresponding to the supply chain link point passed by the clothing product can acquire the clothing product information corresponding to all the passed supply chain link points at the front end, but the supply chain node at the front end cannot acquire the clothing product information corresponding to the passed supply chain link point at the back of the clothing product;
by utilizing the mutual independence among the supply chain nodes, the view range authority of the private key owned by the supply chain nodes is limited, the supply chain information of the clothing product can be monitored, and meanwhile, the information safety and the independence of the supply chain nodes are guaranteed.
The product tracing module is used for inquiring supply chain information of the purchased clothing products by a user, and the specific process comprises the following steps:
after a user purchases a clothing product, the user provides a mobile phone number with real-name authentication for a merchant, and uploads the mobile phone number and a product serial number of the purchased clothing product to a service center;
acquiring a public key corresponding to the clothing product to be associated with the mobile phone number of the user, sending the public key to the mobile phone of the user, and marking the product serial number of the clothing product as a 'traded' state;
the user inputs the obtained public key into the product tracing module to obtain the clothing product information of all supply chain nodes passed by the purchased clothing product.
Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the present invention.
Claims (6)
1. A block chain-based garment product supply chain tracing system comprises a service center, and is characterized in that the service center is in communication connection with a data entry module, a data processing module and a product tracing module;
the data entry module is used for entering the clothing product information at each supply chain link point on the digital clothing product supply chain;
the data processing module is used for processing the clothing product information input by each supply chain node, fitting the secondary association sequence of each supply chain node to obtain a product traceability code corresponding to the clothing product information, and associating the product traceability code with the clothing product information through an index link;
the product source tracing module is used for the user to inquire the supply chain information of the purchased clothing products.
2. The blockchain-based apparel product supply chain traceability system of claim 1, wherein the digital apparel product supply chain establishment process comprises:
constructing a digital clothing product supply chain through a block chain technology, and setting corresponding chain-up ends according to the constructed digital clothing product supply chain, wherein each chain-up end corresponds to a supply chain node;
setting an information verification port, and performing supply chain link point information authentication on a supply chain node through the information verification port;
and the supply chain nodes input the held identity verification sequence and the verification password into the information verification port for verification, and after the verification is passed, the corresponding supply chain nodes obtain the uplink permission of the upper chain ends corresponding to the supply chain nodes.
3. The block chain-based apparel product supply chain traceability system of claim 2, wherein the process of the data entry module entering apparel product information comprises:
each supply chain node is used for inputting the information of the clothing products when receiving the clothing products;
acquiring the clothing product information input by each supply chain node through a product input module, and marking the clothing product information of each supply chain node; the clothing product information comprises clothing product basic information and supply chain node basic information;
the basic information of the clothing product comprises a product serial number, a style, a color, a size and a material,
after the clothing product passes through the supply chain node, the input clothing product information is uploaded to the service center.
4. The block chain-based apparel product supply chain traceability system of claim 3, wherein the processing of the apparel product information by the data processing module comprises:
acquiring an identity verification sequence corresponding to a supply chain link point through which a clothing product passes, and generating a secondary association sequence associated with clothing product information corresponding to the supply chain link point according to the acquired identity verification sequence;
fitting the obtained secondary association sequence with a secondary association sequence generated by the previous supply chain node every time the clothing product passes through one supply chain node, and taking the fitting result as a product traceability code of the supply chain node;
indexing and linking the obtained product tracing codes and the obtained clothing product information corresponding to all supply chain link points through which the clothing product passes;
and uploading the product tracing source code and the index link to a service center, and carrying out cloud encryption on the product tracing source code and the index link uploaded to the service center.
5. The blockchain-based apparel product supply chain traceability system of claim 4, wherein the process of cloud encrypting the product traceability codes and the index links comprises:
converting the obtained product tracing codes and index links into corresponding binary sequences consisting of a plurality of binary unit codes;
respectively obtaining the lengths of binary sequences converted by the product tracing codes and the index links;
respectively obtaining all common factors corresponding to the converted binary sequence length according to the converted binary sequence length, and respectively summarizing the obtained common factors to obtain a corresponding common factor set;
respectively obtaining whether common factors in the common factor set have prime numbers, and if so, respectively marking the maximum prime number in the prime numbers;
if no prime number exists, acquiring a maximum prime number smaller than the length value of the binary sequence;
obtaining prime numbers which are relatively prime with the obtained prime numbers and are smaller than the obtained prime numbers;
obtaining a corresponding public key and a corresponding private key according to the obtained prime numbers;
and sending the obtained private key to a corresponding supply chain node, and uploading the obtained public key to a service center for storage.
6. The blockchain-based apparel product supply chain traceability system of claim 5, wherein the process of querying supply chain information of purchased apparel products by a user comprises:
after a user purchases a clothing product, the user provides a mobile phone number with real-name authentication for a merchant, and uploads the mobile phone number and a product serial number of the purchased clothing product to a service center;
acquiring a public key corresponding to the clothing product, associating the acquired public key with a mobile phone number of a user, sending the public key to the mobile phone of the user, and marking the product serial number of the clothing product as a 'traded' state;
the user inputs the obtained public key into the product tracing module to obtain the clothing product information of all supply chain nodes passed by the purchased clothing product.
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