KR102363064B1 - Precious metal goods genuine product certification server to perform genuine product certification for the precious metal goods based on a two-dimensional code and operating method thereof - Google Patents

Abstract

Disclosed are a precious metal product activation server which performs activation of precious metal products based on a two-dimensional code and an operation method thereof. According to the present invention, when a user who has purchased a precious metal product allows a user electronic terminal to recognize a predetermined two-dimensional code in which information for authenticating the precious metal product printed on a warranty is inserted, the present invention provides a precious metal product activation server capable of determining whether the precious metal product is genuine based on the information inserted into the two-dimensional code, and an operating method thereof, thereby supporting more accurate and efficient product activation for precious metal products.

Description

A precious metal product activation server that performs activation of precious metal products based on a two-dimensional code and its operation method OPERATING METHOD THEREOF}

The present invention relates to a precious metal product genuine product authentication server for performing genuine product authentication for precious metal products based on a two-dimensional code, and a method for operating the same.

Amid unstable economic conditions, more and more people are showing interest in spot assets, which are expected to see steady appreciation in value. In particular, as the expected return on real estate investment is decreasing due to loan regulations and increased holding tax, people are showing interest in trading in precious metals such as gold and diamonds, artworks, and commemorative coins in addition to real estate.

Among these spot assets, precious metals are regarded as safe assets worldwide, and many people are showing interest in purchasing precious metals as the economy becomes difficult.

In relation to this, in the past, genuine guarantees for precious metal products were issued to maintain the value of precious metal products.

In order to solve these shortcomings, it is necessary to have a new system that supports verification that the precious metal products are genuine precious metal products that have been officially issued.

In this regard, by printing a predetermined two-dimensional code in which information for authenticating the precious metal product is inserted in the warranty issued together with the precious metal product, the user who purchased the precious metal product can use the two-dimensional code printed on the warranty card. When scanning with one's own electronic terminal, based on this two-dimensional code, the introduction of a system that determines whether a precious metal product is genuine may be considered.

Therefore, there is a need for research on system technology to support more efficient activation of precious metal products.

According to the present invention, when a user who has purchased a precious metal product recognizes with his/her electronic terminal a predetermined two-dimensional code in which information for authenticating a precious metal product printed on a warranty is inserted, the information inserted into the two-dimensional code is retrieved. By presenting a precious metal product genuine product authentication server that can determine whether a precious metal product is genuine or not, and its operation method, it is intended to support more accurate and efficient genuine product authentication for precious metal products.

In accordance with an embodiment of the present invention, the precious metal product activation server for performing genuine product authentication for precious metal products based on a two-dimensional code includes a plurality of precious metal products—each of the plurality of precious metal products includes authenticating each precious metal product. n (n is a natural number of 2 or more) digit main identification number and k (k is a natural number of 2 or more) digit secondary identification number for There is a two-dimensional code embedded with information on and a warranty certificate printed with the secondary identification number of each precious metal product - A secondary identification number for each and a preset authentication token for each of the plurality of precious metal products - The authentication token is It means the output value calculated by applying the main identification number and the auxiliary identification number for each precious metal product as input to the preset token generation function - a composite information storage unit that is stored in correspondence with each other, among the plurality of precious metal products When a genuine product authentication request for the first precious metal product is received from the first electronic terminal of the first user who purchased the first precious metal product, the auxiliary identification number for the first precious metal product is sent to the first electronic terminal. Auxiliary identification number requesting unit requesting transmission, from the first electronic terminal, as an auxiliary identification number for the first precious metal product, the first auxiliary identification number pre-printed on the first warranty card corresponding to the first precious metal product When is received, an authentication token extraction unit for extracting a first authentication token stored in correspondence with the first auxiliary identification number from the composite information storage unit, when the first authentication token is extracted, to the first electronic terminal A main identification number requesting unit requesting transmission of a main identification number for the first precious metal product inserted in the two-dimensional code printed on the first warranty certificate, the two-dimensional code printed on the first warranty from the first electronic terminal is recognized and the first main identification number that is the main identification number of the first precious metal product is extracted, and when the first main identification number is received from the first electronic terminal, the A token calculation unit for calculating an authentication token for verification by applying the first main identification number and the first auxiliary identification number as inputs to a token generation function, by checking whether the first authentication token is the same as the authentication token for verification When it is confirmed that the first authentication token is the same as the authentication token for verification, a genuine product checking unit that confirms that the first precious metal product is genuine, and when it is confirmed that the first precious metal product is genuine, the first precious metal product and a message transmission unit for generating an activation message indicating that the product is genuine and transmitting it to the first electronic terminal.

In addition, according to an embodiment of the present invention, the operation method of the precious metal product genuine authentication server for performing genuine product authentication for the precious metal product based on the two-dimensional code is a plurality of precious metal products - each of the plurality of precious metal products An n (n is a natural number greater than or equal to 2) digit main identification number and k (k is a natural number greater than or equal to 2) digit secondary identification number for authenticating precious metal products are allocated, and for each of the plurality of precious metal products, each precious metal There is a two-dimensional code with information about the main identification number of the product and a warranty certificate printed with the secondary identification number of each precious metal product - A secondary identification number for each and a preset authentication token for each of the plurality of precious metal products - The authentication token means an output value calculated when the main identification number and the auxiliary identification number for each precious metal product are applied as inputs to a preset token generation function - Maintaining a complex information storage unit stored in correspondence with each other , When a genuine product authentication request for the first precious metal product is received from the first electronic terminal of the first user who purchased the first precious metal product, which is one of the plurality of precious metal products, the first Requesting the transmission of the auxiliary identification number for the precious metal product, from the first electronic terminal, as the auxiliary identification number for the first precious metal product, the first product printed in advance on the first warranty corresponding to the first precious metal product When the first auxiliary identification number is received, extracting a first authentication token stored in correspondence with the first auxiliary identification number from the composite information storage unit, when the first authentication token is extracted, to the first electronic terminal requesting transmission of a main identification number for the first precious metal product inserted in the two-dimensional code printed on the first warranty certificate, the two-dimensional code printed on the first warranty certificate is recognized in the first electronic terminal As the first main identification number that is the main identification number of the first precious metal product is extracted, when the first main identification number is received from the first electronic terminal, the token generation calculating an authentication token for verification by applying the first main identification number and the first auxiliary identification number to a gender function as inputs, verifying that the first authentication token is the same as the authentication token for verification When it is confirmed that the token is the same as the verification token for verification, confirming that the first precious metal product is genuine, and when it is confirmed that the first precious metal product is genuine, it is confirmed that the first precious metal product is genuine and generating an instructing activation message and transmitting it to the first electronic terminal.

According to the present invention, when a user who has purchased a precious metal product recognizes with his/her electronic terminal a predetermined two-dimensional code in which information for authenticating a precious metal product printed on a warranty is inserted, the information inserted into the two-dimensional code is retrieved. By presenting a precious metal product genuine product authentication server capable of determining whether a precious metal product is genuine or not based on its operation method and its operation method, it is possible to support more accurate and efficient genuine product authentication for precious metal products.

1 is a diagram illustrating the structure of a precious metal product genuine authentication server for performing genuine product authentication for precious metal products based on a two-dimensional code according to an embodiment of the present invention.
2 is a view for explaining a precious metal product genuine authentication server that performs genuine product authentication for precious metal products based on a two-dimensional code according to an embodiment of the present invention.
3 is a flowchart illustrating an operation method of a precious metal product genuine product authentication server that performs genuine product activation for a precious metal product based on a two-dimensional code according to an embodiment of the present invention.

Hereinafter, embodiments according to the present invention will be described in detail with reference to the accompanying drawings. These descriptions are not intended to limit the present invention to specific embodiments, and should be understood to include all modifications, equivalents, and substitutes included in the spirit and scope of the present invention. While describing each drawing, like reference numerals are used for similar components, and unless otherwise defined, all terms used in this specification, including technical or scientific terms, refer to those of ordinary skill in the art to which the present invention belongs. It has the same meaning as is commonly understood by those who have it.

In this document, when a part "includes" a certain component, it means that other components may be further included, rather than excluding other components, unless otherwise stated. In addition, in various embodiments of the present invention, each of the components, functional blocks or means may be composed of one or more sub-components, and the electrical, electronic, and mechanical functions performed by each component are electronic. A circuit, an integrated circuit, an ASIC (Application Specific Integrated Circuit), etc. may be implemented as various well-known devices or mechanical elements, and may be implemented separately or two or more may be integrated into one.

On the other hand, the blocks in the accompanying block diagram or steps in the flowchart are computer program instructions that are loaded in a processor or memory of equipment capable of data processing, such as a general-purpose computer, a special-purpose computer, a portable notebook computer, and a network computer, and perform specified functions. can be interpreted as meaning Since these computer program instructions may be stored in a memory provided in a computer device or in a computer-readable memory, the functions described in the blocks of the block diagram or the steps of the flowchart are produced as articles of manufacture containing instruction means for performing the same. it might be In addition, each block or each step may represent a module, segment, or portion of code comprising one or more executable instructions for executing the specified logical function(s). It should also be noted that, in some alternative embodiments, it is also possible for the functions recited in blocks or steps to be executed out of the prescribed order. For example, two blocks or steps shown one after another may be performed substantially simultaneously or in the reverse order, and in some cases, some blocks or steps may be omitted.

1 is a diagram showing the structure of a precious metal product genuine authentication server for performing genuine product authentication for precious metal products based on a two-dimensional code according to an embodiment of the present invention.

1, the precious metal product genuine authentication server 110 according to an embodiment of the present invention includes a complex information storage unit 111, an auxiliary identification number request unit 112, an authentication token extraction unit 113, a main identification It includes a number request unit 114 , a token calculation unit 115 , a genuine product confirmation unit 116 , and a message transmission unit 117 .

First, to each of the plurality of precious metal products in the present invention, n (n is a natural number greater than or equal to 2) digit primary identification number and k (k is a natural number greater than or equal to 2) digit auxiliary identification number for authenticating each precious metal product is assigned. For each of the plurality of precious metal products, there is a two-dimensional code into which information on the main identification number of each precious metal product is inserted and a warranty certificate on which the auxiliary identification number of each precious metal product is printed.

In this regard, as shown in Fig. 2, for each of the plurality of precious metal products, the two-dimensional code 211 into which information on the main identification number of each precious metal product is inserted and the auxiliary identification number of each precious metal product ( A warranty 210 on which 212 is printed may exist.

Here, the two-dimensional code 211 refers to a code capable of inserting information such as various characters on a two-dimensional image pattern, and a QR code (Quick Response Code), veri code, dot code, etc. are used or registered in Korea. A digital code capable of expressing predetermined data on a two-dimensional image through a pixel space composed of a plurality of dots disclosed in Patent No. 10-1897960 may be used. In this regard, the example of FIG. 2 shows an example in which a digital code capable of expressing predetermined data on a two-dimensional image through a pixel space composed of a plurality of dots in the warranty 210 is inserted as the two-dimensional code 211. will be. As shown in the figure shown in FIG. 2, this digital code is composed of yellow dots, so when contrasted with the white background, the color contrast is not clear, so it is difficult to clearly observe with the naked eye, but the electronic terminal The camera is a code having a characteristic that a pattern of yellow dots can be clearly identified through an electronic terminal in that it can perform identification of yellow dots differently from human vision.

In this situation, the complex information storage unit 111 of the precious metal product genuine authentication server 110 includes an auxiliary identification number for each of the plurality of precious metal products and a preset authentication token (the authentication) for each of the plurality of precious metal products. The token is stored in correspondence with the output value calculated by applying the main identification number and the auxiliary identification number for each precious metal product as input to a preset token generation function).

At this time, according to an embodiment of the present invention, when the token generation function is applied as an input, an n-digit main identification number and k-digit auxiliary identification number assigned to any one precious metal product among the plurality of precious metal products are applied, Kronecker product (Kronecker product) between a column vector having n numbers constituting the n-digit main identification number applied as input and a row vector having k numbers constituting the k-digit auxiliary identification number applied as input as components Product) to generate an operation matrix having a size of nxk, and may be a function of calculating the Euclidean Norm of the operation matrix as an authentication token corresponding to any one of the precious metal products.

Here, the Euclidean norm is an L2 norm for indicating the size of a vector or matrix, and may be calculated according to Equation 1 below.

는 유클리드 노름을 의미하고, x_i는 벡터나 행렬에 포함되어 있는 i번째 성분을 의미한다.In Equation 1 above

denotes the Euclidean norm, and x _i denotes the i-th component included in a vector or matrix.

In addition, the Kronecker product refers to a matrix that specifically expresses the tensor product of two matrices. Assuming that a matrix M of mxn as in Equation 2 below and a matrix N of pxq as in Equation 3 below are given, the matrix The Kronecker product between M and the matrix N can be expressed as Equation 4 below.

For example, when 'k=6', the complex information storage unit 111 may store a six-digit auxiliary identification number and an authentication token in correspondence with each other as shown in Table 1 below.

Auxiliary identification number for each of a plurality of precious metal products authentication token 123321 auth token 1 234432 auth token 2 345543 authentication token 3 ... ...

The auxiliary identification number requesting unit 112 receives a genuine product authentication request for the first precious metal product from the first electronic terminal 120 of the first user who purchased the first precious metal product, which is any one of the plurality of precious metal products. If it is, it requests transmission of the auxiliary identification number for the first precious metal product to the first electronic terminal 120 .

At this time, when the first user requests transmission of the auxiliary identification number for the first precious metal product from the precious metal product genuine product authentication server 110 to the first electronic terminal 120 , the first user corresponding to the first precious metal product The auxiliary identification number for the first precious metal product that is pre-printed on the warranty may be input to the first electronic terminal 120 . If the first auxiliary identification number is input as the auxiliary identification number for the first precious metal product, the first electronic terminal 120 may transmit the first auxiliary identification number to the precious metal product genuine product authentication server 110 . .

In this way, as the first auxiliary identification number, which is an auxiliary identification number for the first precious metal product, which is pre-printed on the first warranty certificate in the first electronic terminal 120 is input, the precious metal from the first electronic terminal 120 is input. When the first auxiliary identification number is received by the product genuine authentication server 110 , the authentication token extraction unit 113 stores the first authentication token corresponding to the first auxiliary identification number from the composite information storage unit 111 . to extract

If it is assumed that '123321' is received as the first auxiliary identification number from the first electronic terminal 120 to the precious metal product genuine authentication server 110, the authentication token extracting unit 113 performs a complex process as shown in Table 1 above. It is possible to extract 'authentication token 1', which is a first authentication token stored in correspondence with '123321', which is the first auxiliary identification number, from the information storage unit 111 .

When the first authentication token is extracted, the main identification number request unit 114 is a main identification number for the first precious metal product that is inserted into the two-dimensional code printed on the first guarantee certificate with the first electronic terminal 120 . request the transmission of

At this time, when the first user requests transmission of the main identification number for the first precious metal product from the precious metal product genuine authentication server 110 to the first electronic terminal 120, the By recognizing the two-dimensional code printed on the first warranty through the two-dimensional code recognizer, it is possible to extract the main identification number for the first precious metal product from the two-dimensional code. If the first primary identification number is extracted as the primary identification number for the first precious metal product, the first electronic terminal 120 may transmit the first primary identification number to the precious metal product genuine authentication server 110 . .

In this way, as the two-dimensional code printed on the first warranty is recognized in the first electronic terminal 120 and the first main identification number, which is the main identification number of the first precious metal product, is extracted, the first electronic terminal 120 ), when the first main identification number is received from the precious metal product genuine authentication server 110, the token calculation unit 115 applies the first main identification number and the first auxiliary identification number to the token generation function as inputs. to calculate an authentication token for verification.

At this time, according to an embodiment of the present invention, the token calculation unit 115 configures the first main identification number by applying the first main identification number and the first auxiliary identification number to the token generation function as inputs. After generating a first operation matrix having a size of nxk by calculating a Kronecker product between a column vector having n numbers as components and a row vector having k numbers constituting the first auxiliary identification number as components, the first operation matrix is generated. 1 The Euclidean norm of the operation matrix may be calculated as the authentication token for verification.

The authenticity confirmation unit 116 checks whether the first authentication token is the same as the authentication token for verification, and when it is confirmed that the first authentication token is the same as the authentication token for verification, the first precious metal product is genuine confirm that

In this regard, the operation of the token calculating unit 115 and the genuine product checking unit 116 will be described in detail with an example.

First, let 'n = 5', 'k = 6', and the first main identification number for the first precious metal product received from the first electronic terminal 120 is '32123', to the first precious metal product Assume that the first auxiliary identification number for '123321' is '123321'.

'과 상기 제1 보조 식별번호인 '123321'을 구성하는 6개의 숫자들을 성분으로 갖는 행벡터인 '

' 간의 크로네커 곱을 상기 수학식 2 내지 4에 따라 연산하여 5 x 6의 크기를 갖는 제1 연산 행렬인 '

'을 생성할 수 있다.Then, the token calculation unit 115 applies the first main identification number '32123' and the first auxiliary identification number '123321' to the token generation function as inputs, and the first main identification number '32123'', which is a column vector with five numbers constituting '

' and ', which is a row vector having six numbers constituting '123321', which is the first auxiliary identification number, as components.

' A first operation matrix having a size of 5 x 6 by calculating the Kronecker product between ' according to Equations 2 to 4

' can be created.

Then, the token calculator 115 calculates the Euclidean norm of the first operation matrix as '27.49' according to Equation 1, and then verifies '27.49', which is the Euclidean norm of the first operation matrix, for the verification. It can be calculated with tokens.

After that, the authenticity check unit 116 checks whether the first authentication token, 'authentication token 1', is the same as '27.49', which is the authentication token for verification. 1 Since it can be seen that the first main identification number '32123' included in the 2D code printed on the warranty is the normally issued main identification number, it is possible to confirm the first precious metal product as a genuine product.

In this way, when it is confirmed that the first precious metal product is genuine by the genuine product checking unit 116, the message transmitting unit 117 generates a genuine product authentication message indicating that the first precious metal product is confirmed to be genuine. 1 is transmitted to the electronic terminal 120 .

At this time, according to an embodiment of the present invention, when it is confirmed that the first authentication token is not the same as the authentication token for verification, the authenticity confirmation unit 116 determines that the first precious metal product is not genuine. can

At this time, when it is confirmed that the first precious metal product is not genuine, the message transmission unit 117 generates a non-genuine confirmation message indicating that the first precious metal product is not genuine and sends it to the first electronic terminal 120 . can be transmitted

At this time, according to an embodiment of the present invention, when the first electronic terminal 120 receives the genuine product activation message or the non-genuine product confirmation message from the precious metal product activation server 110, the genuine product authentication message or the non-genuine product confirmation message may be output as text on the screen, or the genuine product authentication message or the non-genuine product confirmation message may be synthesized into voice using a predetermined voice synthesis model, and then the voice may be output to the speaker. Through this, the first user may check whether the first precious metal product purchased by the first user is genuine.

According to an embodiment of the present invention, the precious metal product genuine authentication server 110 may further include a transaction generating unit 118 and a registration requesting unit 119 .

When any one of the genuine product authentication message or the non-genuine product confirmation message is transmitted to the first electronic terminal 120, the transaction generating unit 118 determines when the confirmation of whether the first precious metal product is genuine is completed. After generating time information and generating genuine product confirmation history information consisting of information on the result of checking whether the first precious metal product is genuine, the time information, the first main identification number, and the first auxiliary identification number, the genuine product Creates a transaction with confirmation history information.

For example, it is assumed that the genuine product activation message among the genuine product authentication message or the non-genuine product confirmation message has been transmitted to the first electronic terminal 120 through the message transmission unit 117 .

Then, the transaction generating unit 118 generates time information on when the confirmation of whether the first precious metal product is genuine or not is completed, and information on 'genuine' which is the result of checking whether the first precious metal product is genuine or not. , the time information, the first main identification number '32123', and the first auxiliary identification number '123321' may generate genuine confirmation history information.

In relation to this, when the time information is referred to as 'time information 1', the transaction generating unit 118 may generate genuine product confirmation history information as shown in Table 2 below.

Verification result of authenticity time information 1st Primary Identification Number first auxiliary identification number genuine time information 1 32123 123321

Thereafter, the transaction generating unit 118 may generate a transaction including the genuine product confirmation history information.

When the transaction is generated, the registration request unit 119 randomly selects a first node device that is any one of a plurality of node devices 101, 102, 103, and 104 constituting the block chain network, and then While sending the transaction to a one-node device, it sends a registration request of the transaction to the blockchain network.

At this time, when the first node device receives the registration request together with the transaction from the precious metal product activation server 110, the transaction is included based on the previous block chained to the block chain data stored in the memory. After completing the storage of the first block by creating a first block and linking the first block to the block chain data in a chain, the first block is transferred to a plurality of node devices through the block chain network. Among (101, 102, 103, 104), propagation may be performed to other node devices except for the first node device.

Specifically, when the registration request is received with the transaction from the precious metal product genuine authentication server 110, the first node device refers to the block header of a previous block connected to the block chain data in a chain, and the transaction is executed. The first block, which is a new included block, may be generated. Then, the first node device connects the first block to the blockchain data in a chain, thereby completing the storage of the first block and then transferring the first block to a plurality of node devices through the blockchain network. It is possible to propagate to other node devices other than the first node device among the ones 101 , 102 , 103 , and 104 .

In this way, the precious metal product genuine authentication server 110 according to the present invention generates genuine product confirmation history information for the first precious metal product when the genuine product authentication message or the non-genuine product confirmation message is transmitted to the first electronic terminal 120 . By registering in the blockchain network, the manager who sells precious metal products can monitor whether counterfeit or falsified precious metal products are being distributed in the market by checking the authenticity confirmation history information for these precious metal products. can

3 is a flowchart illustrating an operation method of a precious metal product genuine authentication server for performing genuine product authentication for a precious metal product based on a two-dimensional code according to an embodiment of the present invention.

In step S310, a plurality of precious metal products (in each of the plurality of precious metal products, n (n is a natural number greater than or equal to 2) digit main identification number and k (k is a natural number greater than or equal to 2) digits for authenticating each precious metal product of the secondary identification number is assigned, and for each of the plurality of precious metal products, there is a two-dimensional code in which information on the main identification number of each precious metal product is inserted and a warranty certificate printed with the auxiliary identification number of each precious metal product) A secondary identification number for each and a preset authentication token for each of the plurality of precious metal products (the authentication token is a preset token generation function where the primary identification number and secondary identification number for each precious metal product are applied as inputs. It maintains a complex information storage unit in which the output values are stored in correspondence with each other.

In step S320, when a genuine product authentication request for the first precious metal product is received from the first electronic terminal of the first user who purchased the first precious metal product, which is one of the plurality of precious metal products, the first electronic terminal to request transmission of an auxiliary identification number for the first precious metal product.

In step S330, when the first auxiliary identification number pre-printed on the first warranty corresponding to the first precious metal product is received as the auxiliary identification number for the first precious metal product from the first electronic terminal, the A first authentication token stored in correspondence to the first auxiliary identification number is extracted from the composite information storage unit.

In step S340, when the first authentication token is extracted, the first electronic terminal requests transmission of the main identification number for the first precious metal product inserted in the two-dimensional code printed on the first guarantee certificate.

In step S350, as the two-dimensional code printed on the first warranty is recognized in the first electronic terminal and the first main identification number, which is the main identification number of the first precious metal product, is extracted, from the first electronic terminal When the first primary identification number is received, the authentication token for verification is calculated by applying the first primary identification number and the first auxiliary identification number to the token generation function as inputs.

In step S360, it is checked whether the first authentication token is the same as the authentication token for verification, and when it is confirmed that the first authentication token is the same as the authentication token for verification, it is confirmed that the first precious metal product is genuine .

In step S370, when it is confirmed that the first precious metal product is genuine, a genuine product authentication message indicating that the first precious metal product is confirmed as genuine is generated and transmitted to the first electronic terminal.

At this time, according to an embodiment of the present invention, when the token generation function is applied as an input, an n-digit main identification number and k-digit auxiliary identification number assigned to any one precious metal product among the plurality of precious metal products are applied, By calculating the Kronecker product between a column vector having n numbers constituting the n-digit main identification number applied as input and a row vector having k numbers constituting the k-digit auxiliary identification number applied as input as components, After generating an operation matrix having a size of nxk, it may be a function of calculating the Euclidean norm of the operation matrix as an authentication token corresponding to any one of the precious metal products.

At this time, according to an embodiment of the present invention, in step S350, by applying the first main identification number and the first auxiliary identification number as inputs to the token generation function, n constituting the first main identification number After generating a first operation matrix having a size of nxk by calculating a Kronecker product between a column vector having as components of the number of numbers and a row vector having k numbers constituting the first auxiliary identification number as components, the first operation The Euclidean norm of a matrix may be calculated as the authentication token for verification.

In addition, according to an embodiment of the present invention, when it is confirmed that the first authentication token is not the same as the authentication token for verification in step S360, it may be confirmed that the first precious metal product is not a genuine product.

At this time, if it is confirmed that the first precious metal product is not genuine in step S370, a non-genuine confirmation message indicating that the first precious metal product is not genuine may be generated and transmitted to the first electronic terminal.

At this time, according to an embodiment of the present invention, in the method of operating the precious metal product genuine authentication server, when any one of the genuine product authentication message or the non-genuine product confirmation message is transmitted to the first electronic terminal, the first precious metal Time information is generated for the time when the confirmation of whether the product is genuine or not, and information on the result of checking whether the first precious metal product is genuine, the time information, the first main identification number, and the first auxiliary identification After generating genuine confirmation history information consisting of numbers, generating a transaction including the genuine article confirmation history information, and when the transaction is generated, the first After randomly selecting a node device, the method may further include transmitting a registration request of the transaction to the blockchain network while transmitting the transaction to the first node device.

At this time, when the registration request is received with the transaction from the precious metal product genuine authentication server, the first node device includes the first block including the transaction based on the previous block chained to the block chain data stored in the memory By generating one block and linking the first block to the block chain data in a chain, the first block is stored among the plurality of node devices through the block chain network after storage of the first block is completed. It can propagate to other node devices except for the first node device.

Above, the operation method of the precious metal product genuine authentication server according to an embodiment of the present invention has been described with reference to FIG. 3 . Here, the operating method of the precious metal product genuine authentication server according to an embodiment of the present invention may correspond to the configuration of the operation of the precious metal product genuine product authentication server 110 described with reference to FIGS. A detailed description will be omitted.

The operating method of the precious metal product activation server for performing genuine product activation for precious metal products based on a two-dimensional code according to an embodiment of the present invention is implemented as a computer program stored in a storage medium for execution through combination with a computer. can

In addition, the operating method of the precious metal product activation server for performing genuine product authentication for precious metal products based on a two-dimensional code according to an embodiment of the present invention is implemented in the form of a computer program command for execution through combination with a computer. It may be recorded on a computer-readable medium. The computer-readable medium may include program instructions, data files, data structures, etc. alone or in combination. The program instructions recorded on the medium may be specially designed and configured for the present invention, or may be known and available to those skilled in the art of computer software. Examples of the computer-readable recording medium include magnetic media such as hard disks, floppy disks and magnetic tapes, optical media such as CD-ROMs and DVDs, and magnetic such as floppy disks. - includes magneto-optical media, and hardware devices specially configured to store and execute program instructions, such as ROM, RAM, flash memory, and the like. Examples of program instructions include not only machine language codes such as those generated by a compiler, but also high-level language codes that can be executed by a computer using an interpreter or the like.

As described above, in the present invention, specific matters such as specific components, etc., and limited embodiments and drawings have been described, but these are only provided to help a more general understanding of the present invention, and the present invention is not limited to the above embodiments. , various modifications and variations are possible from these descriptions by those of ordinary skill in the art to which the present invention pertains.

Therefore, the spirit of the present invention should not be limited to the described embodiments, and not only the claims described below, but also all of the claims and all equivalents or equivalent modifications to the claims will be said to belong to the scope of the spirit of the present invention. .

110: Precious metal product activation server that performs activation of precious metal products based on the two-dimensional code
111: complex information storage unit 112: auxiliary identification number request unit
113: authentication token extraction unit 114: main identification number request unit
115: token calculation unit 116: authenticity verification unit
117: message transmitting unit 118: transaction generating unit
119: Registration Request Department
120: first electronic terminal
101, 102, 103, 104: a plurality of node devices

Claims (12)

In the precious metal product activation server that performs activation for precious metal products based on a two-dimensional code,
A plurality of precious metal products - Each of the plurality of precious metal products has an n (n is a natural number greater than or equal to 2) digit primary identification number and k (k is a natural number greater than or equal to 2) digit secondary identification number for authenticating each precious metal product. is allocated, and for each of the plurality of precious metal products, there is a two-dimensional code in which information on the main identification number of each precious metal product is inserted and a warranty certificate printed with the auxiliary identification number of each precious metal product - Auxiliary identification for each Number and preset authentication token for each of the plurality of precious metal products - The authentication token means an output value calculated by applying the primary identification number and secondary identification number for each precious metal product to a preset token generation function as inputs - A complex information storage unit stored in correspondence with each other;
When a genuine product authentication request for the first precious metal product is received from the first electronic terminal of the first user who purchased the first precious metal product, which is one of the plurality of precious metal products, the first precious metal product is sent to the first electronic terminal Auxiliary identification number requesting unit for requesting the transmission of the auxiliary identification number for the product;
When a first auxiliary identification number pre-printed on the first warranty corresponding to the first precious metal product is received from the first electronic terminal as an auxiliary identification number for the first precious metal product, from the complex information storage unit an authentication token extraction unit for extracting a first authentication token stored in correspondence to the first auxiliary identification number;
when the first authentication token is extracted, a main identification number requesting unit for requesting transmission of a main identification number for the first precious metal product inserted in the two-dimensional code printed on the first guarantee certificate to the first electronic terminal;
As the two-dimensional code printed on the first warranty is recognized in the first electronic terminal and the first main identification number that is the main identification number of the first precious metal product is extracted, the first main identification from the first electronic terminal a token calculation unit for calculating an authentication token for verification by applying the first main identification number and the first auxiliary identification number to the token generation function when the number is received;
a genuine product checking unit that checks whether the first authentication token is the same as the authentication token for verification and confirms that the first precious metal product is genuine when it is confirmed that the first authentication token is the same as the authentication token for verification; and
When it is confirmed that the first precious metal product is genuine, a message transmission unit for generating a genuine product authentication message indicating that the first precious metal product is confirmed to be genuine and transmitting it to the first electronic terminal
including,
The token generation function is
When the n-digit main identification number and k-digit auxiliary identification number assigned to any one precious metal product among the plurality of precious metal products are applied as input, n numbers constituting the n-digit main identification number applied as input After generating an operation matrix having a size of nxk by calculating the Kronecker product between a column vector having as components and a row vector containing k numbers constituting k-digit auxiliary identification numbers applied as inputs, , Precious metal product genuine authentication server, characterized in that it is a function that calculates the Euclidean Norm of the operation matrix as an authentication token corresponding to any one of the precious metal products. delete According to claim 1,
The token calculator
By applying the first main identification number and the first auxiliary identification number to the token generation function as inputs, a column vector having n numbers constituting the first main identification number as components and the first auxiliary identification number After generating a first arithmetic matrix having a size of nxk by calculating the Kronecker product between row vectors having k numbers constituting as components, the Euclidean norm of the first arithmetic matrix is calculated as the authentication token for verification. Precious Metals Product Activation Server. According to claim 1,
The authenticity check unit
If it is confirmed that the first authentication token is not the same as the authentication token for verification, it is confirmed that the first precious metal product is not genuine;
The message sending unit
When it is confirmed that the first precious metal product is not genuine, a precious metal product genuine authentication server, characterized in that it generates a non-genuine confirmation message indicating that the first precious metal product is not genuine and transmits it to the first electronic terminal . delete In the operating method of a precious metal product activation server that performs genuine product activation for precious metal products based on a two-dimensional code,
A plurality of precious metal products - Each of the plurality of precious metal products has an n (n is a natural number greater than or equal to 2) digit primary identification number and k (k is a natural number greater than or equal to 2) digit secondary identification number for authenticating each precious metal product. is allocated, and for each of the plurality of precious metal products, there is a two-dimensional code in which information on the main identification number of each precious metal product is inserted and a warranty certificate printed with the auxiliary identification number of each precious metal product - Auxiliary identification for each Number and preset authentication token for each of the plurality of precious metal products - The authentication token means an output value calculated by applying the primary identification number and secondary identification number for each precious metal product to a preset token generation function as inputs - maintaining the complex information storage unit stored in correspondence with each other;
When a genuine product authentication request for the first precious metal product is received from the first electronic terminal of the first user who purchased the first precious metal product, which is one of the plurality of precious metal products, the first precious metal product is sent to the first electronic terminal requesting transmission of an auxiliary identification number for the product;
When a first auxiliary identification number pre-printed on the first warranty corresponding to the first precious metal product is received from the first electronic terminal as an auxiliary identification number for the first precious metal product, from the complex information storage unit extracting a first authentication token stored in correspondence to the first auxiliary identification number;
when the first authentication token is extracted, requesting transmission of a main identification number for the first precious metal product inserted in the two-dimensional code printed on the first guarantee certificate to the first electronic terminal;
As the two-dimensional code printed on the first warranty is recognized in the first electronic terminal and the first main identification number that is the main identification number of the first precious metal product is extracted, the first main identification from the first electronic terminal when a number is received, applying the first main identification number and the first auxiliary identification number to the token generation function as inputs to calculate an authentication token for verification;
confirming that the first authentication token is the same as the authentication token for verification, and when it is confirmed that the first authentication token is the same as the authentication token for verification, confirming that the first precious metal product is genuine; and
When it is confirmed that the first precious metal product is genuine, generating a genuine product authentication message indicating that the first precious metal product is genuine and transmitting it to the first electronic terminal
including,
The token generation function is
When the n-digit main identification number and k-digit auxiliary identification number assigned to any one precious metal product among the plurality of precious metal products are applied as input, n numbers constituting the n-digit main identification number applied as input After generating an operation matrix having a size of nxk by calculating the Kronecker product between a column vector having as components and a row vector having k numbers constituting the k-digit auxiliary identification number applied as input, , A method of operating a precious metal product genuine authentication server, characterized in that it is a function that calculates the Euclidean Norm of the operation matrix as an authentication token corresponding to any one of the precious metal products. delete 7. The method of claim 6,
The calculating step is
By applying the first main identification number and the first auxiliary identification number to the token generation function as inputs, a column vector having n numbers constituting the first main identification number as components and the first auxiliary identification number After generating a first arithmetic matrix having a size of nxk by calculating the Kronecker product between row vectors having k numbers constituting as components, the Euclidean norm of the first arithmetic matrix is calculated as the authentication token for verification. How the precious metal product activation server works. 7. The method of claim 6,
The checking step is
If it is confirmed that the first authentication token is not the same as the authentication token for verification, it is confirmed that the first precious metal product is not genuine;
The sending step is
When it is confirmed that the first precious metal product is not genuine, a precious metal product genuine authentication server, characterized in that it generates a non-genuine confirmation message indicating that the first precious metal product is not genuine and transmits it to the first electronic terminal how it works. delete A computer-readable recording medium recording a computer program for executing the method of any one of claims 6, 8, or 9 through combination with a computer. A computer program stored in a storage medium for executing the method of any one of claims 6, 8 or 9 in combination with a computer.

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