WO2022035012A1 - Gold bar authenticity certification server for certifying authenticity of gold bar and operation method thereof - Google Patents

Abstract

Disclosed are a gold bar authenticity certification server for certifying the authenticity of a gold bar, and an operation method thereof. The present invention relates to technology that can assist in preserving the value of a gold bar by certifying the authenticity of the gold bar on the basis of a main identification number and an auxiliary identification number allocated to the gold bar.

Description

Gold bar activation server performing activation for gold bar and its operation method

The present invention relates to a gold bar genuine product authentication server for performing genuine product authentication for gold bars and an operating method thereof.

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, gold is regarded as a safe asset around the world, and many people are interested in purchasing gold as the economy becomes difficult.

In this way, as interest in gold is amplified, interest in gold bars is also increasing recently. A gold bar means a bar-shaped gold bar, and it has a luxurious image, so it is often used as a gift.

In relation to this, in the past, certificates of authenticity for gold bars were issued to maintain the value of gold bars, but there was always a risk of losing the certificates of authenticity for gold bars.

In order to solve these shortcomings, it is necessary to have a new system that supports to verify whether the gold bar is a genuine gold bar that has been officially issued. In this regard, by allocating a predetermined main identification number and a secondary identification number for genuine product authentication to each of the issued gold bars, and enabling genuine product authentication for each of the gold bars based on this, more efficient genuine product authentication for gold bars The introduction of system technology to support this can be considered.

In addition, since a customer holding a gold bar may wish to transfer the gold bar to another customer, it is necessary to have system technology for the transfer platform that supports the transfer of gold bars between individuals.

The present invention intends to support the preservation of the value of the gold bar by providing a gold bar genuine product authentication server that performs genuine product authentication for gold bars based on the main identification number and the sub-type code assigned to the gold bars, and a method for operating the same.

A gold bar genuine authentication server for performing genuine product authentication on a gold bar according to an embodiment of the present invention includes a plurality of preset gold bars - n (n is 2) for identifying each gold bar in each of the plurality of gold bars. More than a natural number) digit main identification number and k (k is a natural number greater than or equal to 2) digit secondary identification number for authenticating each gold bar are allocated, and information on the main identification number of each gold bar is provided to each of the plurality of gold bars A two-dimensional code is printed - each auxiliary identification number and a preset Euclidean Norm of each of the plurality of gold bars - The Euclidean norm is an n-digit main number assigned to each of the plurality of gold bars It has a size of nxk generated by calculating the Kronecker product between a column vector having n numbers constituting an identification number as a component and a row vector having k numbers constituting a k-digit auxiliary identification number as a component Means the Euclidean norm of a matrix - a complex information storage unit stored in correspondence with each other, a terminal of a first user who purchases a first gold bar that is one of the plurality of gold bars - 1 The first auxiliary identification number allocated to the gold bar is pre-stored - When a genuine product authentication request for the first gold bar is received from, the transmission of the auxiliary identification number for the first gold bar to the terminal of the first user When a requesting auxiliary identification number requesting unit receives the first auxiliary identification number pre-stored in the terminal of the first user as an auxiliary identification number for the first gold bar from the terminal of the first user, the first user a main identification number requesting unit requesting transmission of the main identification number for the first gold bar inserted in the two-dimensional code printed on the first gold bar to the terminal of the first user; As the two-dimensional code is recognized and the first main identification number that is the main identification number of the first gold bar is extracted, the terminal of the first user When the first main identification number is received from the Euclidean norm extraction unit for extracting a first Euclidean norm corresponding to the first auxiliary identification number from the composite information storage unit, when the first Euclidean norm is extracted, the first After generating a first column vector having n numbers constituting the main identification number as components, and generating a first row vector having k numbers constituting the first auxiliary identification number as components, the first column vector and an operation unit generating a first operation matrix having a size of nxk by calculating the Kronecker product between the first row vectors, and after calculating the Euclidean norm of the first operation matrix, the Euclidean norm of the first operation matrix is the first Euclidean norm When it is confirmed that the Euclidean norm of the first operation matrix is the same as the first Euclidean norm by checking whether it is the same as and a message transmission unit for generating a genuine product authentication message indicating that the first gold bar is confirmed to be genuine and transmitting it to the terminal of the first user.

In addition, the operating method of the gold bar genuine product authentication server for performing genuine product authentication for gold bars according to an embodiment of the present invention includes a plurality of preset gold bars - each of the plurality of gold bars includes n (n is A primary identification number of 2 or more) digits and a secondary identification number of k (k is a natural number of 2 or more) digits for authenticating each gold bar are allocated, and each of the plurality of gold bars is assigned a primary identification number for each gold bar. A two-dimensional code with embedded information is printed - Each auxiliary identification number and a preset Euclidean norm of each of the plurality of gold bars - The Euclidean norm is an n-digit main identification number assigned to each of the plurality of gold bars It means the Euclidean norm of a matrix having a size of nxk generated by calculating the Kronecker product between a column vector having n numbers constituting its components and a row vector having k numbers constituting k digits constituting an auxiliary identification number as components. maintaining the complex information storage unit stored in correspondence with each other, the terminal of the first user who purchased the first gold bar, which is one of the plurality of gold bars - The terminal of the first user is assigned to the first gold bar A first auxiliary identification number with a pre-stored - when a genuine product authentication request for the first gold bar is received from, requesting transmission of the auxiliary identification number for the first gold bar to the terminal of the first user, the When the first auxiliary identification number pre-stored in the first user's terminal is received from the first user's terminal as the auxiliary identification number for the first gold bar, the first user's terminal is printed on the first gold bar requesting transmission of a main identification number for the first gold bar inserted in the two-dimensional code, the two-dimensional code printed on the first gold bar is recognized by the terminal of the first user, and the main identification number of the first gold bar is recognized. As the first main identification number, which is the identification number, is extracted, when the first main identification number is received from the terminal of the first user, the complex information storage unit extracting a first Euclidean norm corresponding to a first auxiliary identification number; when the first Euclidean norm is extracted, generating a first column vector having n numbers constituting the first main identification number as a component; After generating a first row vector having k numbers constituting the first auxiliary identification number as a component, a Kronecker product between the first column vector and the first row vector is calculated to generate a first operation matrix having a size of nxk After calculating the Euclidean norm of the first operation matrix, check whether the Euclidean norm of the first operation matrix is the same as the first Euclidean norm, so that the Euclidean norm of the first operation matrix is the same as the first Euclidean norm When it is confirmed that the first gold bar is genuine, the step of confirming that the first gold bar is genuine, and when it is confirmed that the first gold bar is genuine, a genuine product authentication message indicating that the first gold bar is confirmed to be genuine is generated and the first user It includes the step of transmitting to the terminal of.

The present invention can support the preservation of the value of the gold bar by providing a gold bar genuine product authentication server that performs genuine product authentication for gold bars based on the main identification number and the sub-type code assigned to the gold bars, and a method for operating the same.

1 is a diagram showing the structure of a gold bar genuine authentication server according to an embodiment of the present invention.

2 is a view for explaining the operation of the gold bar genuine authentication server according to an embodiment of the present invention.

3 is a flowchart illustrating a method of operating a gold bar genuine authentication server 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 memory readable by a computer, the functions described in the blocks of the block diagrams or the steps of the flowcharts 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 gold bar genuine authentication server according to an embodiment of the present invention.

The gold bar genuine product authentication server 110 according to the present invention is a server that performs genuine product authentication for gold bars, and includes a complex information storage unit 111, a secondary identification number request unit 112, a main identification number request unit 113, and Euclid. It includes a gambling extracting unit 114 , a calculating unit 115 , a genuine product checking unit 116 , and a message transmitting unit 117 .

First, in each of a plurality of Gold Bars, which are the target of genuine product authentication in the present invention, n (n is a natural number greater than or equal to 2) digit main identification number for identifying each gold bar and k for authenticating each gold bar (k is a natural number equal to or greater than 2) A digit auxiliary identification number is allocated, and a two-dimensional code in which information on a main identification number of each gold bar is inserted is printed on each of the plurality of gold bars.

In this regard, as shown in FIG. 2 , a two-dimensional code 211 in which information about a main identification number assigned to each gold bar is printed may be printed on the surface 210 of each of the plurality of gold bars. there is. Here, the two-dimensional code 211 may be a QR code (Quick Response Code) or Veri Code.

In this situation, in the complex information storage unit 111 of the gold bar genuine authentication server 110, the auxiliary identification number of each of the plurality of gold bars and the preset Euclidean norm corresponding to each of the plurality of gold bars are mutually Correspondingly stored.

Here, the Euclidean norm is a column vector having n numbers constituting an n-digit main identification number assigned to each of the plurality of gold bars as components, and k numbers constituting a k-digit auxiliary identification number as components. It means the Euclidean norm of a matrix having a size of nxk generated by calculating the Kronecker product between row vectors.

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.

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=5', the 5-digit auxiliary identification number and the Euclidean norm may be stored in correspondence with each other in the complex information storage unit 111 as shown in Table 1 below.

Auxiliary identification number of each of the plurality of gold bars	Euclidean gambling
12321	N1
23432	N2
34543	N3
...	...

The auxiliary identification number requesting unit 112 receives the activation request for the first gold bar from the terminal 130 of the first user who has purchased the first gold bar, which is one of the plurality of gold bars. The terminal 130 requests transmission of an auxiliary identification number for the first gold bar.

Here, the first auxiliary identification number assigned to the first gold bar may be pre-stored in the terminal 130 of the first user. Usually, when a user purchases any one of the gold bars from among the plurality of gold bars, the user may be given an auxiliary identification number assigned to the corresponding gold bar for use in authenticating the corresponding gold bar, and the auxiliary identification number may be stored in a user terminal owned by the user.

For this reason, the auxiliary identification number requesting unit 112 receives the activation request for the first gold bar from the terminal 130 of the first user who purchased the first gold bar from among the plurality of gold bars. The terminal 130 may request transmission of an auxiliary identification number for the first gold bar.

At this time, when the first user's terminal 130 requests transmission of the auxiliary identification number for the first gold bar from the gold bar genuine authentication server 110 , the first user's terminal 130 is pre-stored in the first user's terminal 130 . The auxiliary identification number for the gold bar may be transmitted to the gold bar genuine authentication server 110 .

When the main identification number requesting unit 113 receives the first auxiliary identification number stored in advance in the terminal 130 of the first user as the auxiliary identification number for the first gold bar from the terminal 130 of the first user, , requests the first user's terminal 130 to transmit the main identification number for the first gold bar inserted in the two-dimensional code printed on the first gold bar.

At this time, when the first user requests transmission of the main identification number for the first gold bar from the gold bar genuine authentication server 110 to the first user's terminal 130 , the second user mounted on the terminal 130 of the first user A two-dimensional code printed on the first gold bar may be recognized through a dimension code recognizer, and a main identification number for the first gold bar may be extracted from the two-dimensional code. If the first primary identification number is extracted as the primary identification number for the first gold bar, the first user's terminal 130 may transmit the first primary identification number to the gold bar genuine authentication server 110 .

In this way, as the two-dimensional code printed on the first gold bar is recognized by the first user's terminal 130 and the first main identification number that is the main identification number of the first gold bar is extracted, the first user's terminal ( When the first main identification number is received from the gold bar genuine authentication server 110 from 130 ), the Euclidean norm extracting unit 114 is a first Euclidean norm corresponding to the first auxiliary identification number from the complex information storage unit 111 . to extract

In this way, when the first Euclidean norm is extracted by the Euclidean norm extraction unit 114, the operation unit 115 generates a first column vector having n numbers constituting the first main identification number as a component, and the After generating a first row vector having k numbers constituting the first auxiliary identification number as a component, a Kronecker product between the first column vector and the first row vector is calculated to generate a first operation matrix having a size of nxk. .

After calculating the Euclidean norm of the first operation matrix, the authenticity check unit 116 checks whether the Euclidean norm of the first operation matrix is the same as the first Euclidean norm, so that the Euclidean norm of the first operation matrix is the first 1 When it is confirmed that it is the same as the Euclid norm, it is confirmed that the first gold bar is genuine.

In this regard, the operations of the Euclidean norm extracting unit 114 , the calculating unit 115 , and the genuine product checking unit 116 will be described in detail with an example.

First, it is assumed that 'n=6' and 'k=5', the first main identification number for the first gold bar received from the terminal 130 of the first user is '321123', and the Assume that the first auxiliary identification number is '12321'.

In this case, the Euclidean norm extraction unit 114 may extract the first Euclidean norm 'N1' corresponding to the first auxiliary identification number '12321' from the complex information storage unit 111 as shown in Table 1 above.

In this way, when 'N1', which is the first Euclidean norm, is extracted by the Euclidean norm extracting unit 114, the calculating unit 115 has the first six numbers constituting the first main identification number '321123' as components. 1 as a column vector '

' as a first row vector having five numbers constituting '12321', which is the first auxiliary identification number, as components.

' can be created.

Thereafter, the operation unit 115 calculates the Kronecker product between the first column vector and the first row vector according to Equations 2 to 4, so that the first operation matrix ' having a size of 6 x 5 '

' can be created.

Then, the authenticity check unit 116 calculates the Euclidean norm of the first arithmetic matrix as '23.06' according to Equation 1, and then '23.06', which is the Euclidean norm of the first arithmetic matrix, is calculated as the first When it is confirmed that both Euclidean norms are identical to each other by checking whether they are the same as the Euclidean norm 'N1', the first main identification number '321123' included in the two-dimensional code printed on the first gold bar was normally issued. Since it can be seen that the main identification number is correct, the first gold bar can be identified as a genuine product.

In this way, when the first gold bar is confirmed as genuine by the genuine product check unit 116, the message transmission unit 117 generates a genuine product authentication message indicating that the first gold bar is genuine, and generates a genuine product authentication message to the first user. It is transmitted to the terminal 130 of

At this time, according to an embodiment of the present invention, when it is confirmed that the Euclidean norm of the first operation matrix is not the same as the first Euclidean norm, the authenticity check unit 116 determines that the first gold bar is not genuine. can be confirmed as

At this time, when it is confirmed that the first gold bar is not genuine, the message transmitting unit 117 may transmit a non-genuine confirmation message indicating that the first gold bar is not genuine to the terminal 130 of the first user. .

According to an embodiment of the present invention, the gold bar genuine authentication server 110 includes an update event generating unit 118 , a new auxiliary identification number generating unit 119 , an operation processing unit 120 , an update unit 121 , and a replacement request unit. (122) may be further included.

The update event generator 118 generates an update event for changing the first auxiliary identification number and the first Euclidean norm when the activation message is transmitted to the terminal 130 of the first user.

When the update event occurs, the new auxiliary identification number generator 119 randomly generates a k-digit first new auxiliary identification number for the first gold bar.

When the first new auxiliary identification number is randomly generated, the operation processing unit 120 generates a second column vector having n numbers constituting the first main identification number as a component, and the first new auxiliary identification number After generating a second row vector having k numbers constituting as components, a Kronecker product between the second column vector and the second row vector is calculated to generate a second operation matrix having a size of nxk.

After calculating the Euclidean norm of the second operation matrix, the update unit 121 changes the first Euclidean norm stored in the complex information storage unit 111 to the Euclidean norm of the second operation matrix, and stores the complex information The first auxiliary identification number stored in the unit 111 is changed to the first new auxiliary identification number.

The replacement request unit 122 transmits the first new auxiliary identification number to the terminal 130 of the first user, and at the same time transmits the first auxiliary identification number stored in the terminal 130 of the first user to the first user. 1 A replacement command instructing to be replaced with a new auxiliary identification number and stored is transmitted to the terminal 130 of the first user.

Hereinafter, operations of the update event generating unit 118 , the new auxiliary identification number generating unit 119 , the arithmetic processing unit 120 , the update unit 121 , and the replacement request unit 122 will be described in detail with an example. .

For example, as in the above example, it is assumed that 'n=6' and 'k=5', the first main identification number is '321123', the first auxiliary identification number is '12321', and the second 1 Assume that the Euclidean norm is 'N1'.

At this time, when the activation message is transmitted to the terminal 130 of the first user by the message transmission unit 117, the update event generation unit 118 sets the first auxiliary identification number '12321' and the first Euclid An update event to change the norm 'N1' may be generated.

In this way, when the update event is generated by the update event generating unit 118 , the new auxiliary identification number generating unit 119 may randomly generate a first new auxiliary identification number of five digits for the first gold bar. .

If it is assumed that the first new auxiliary identification number is generated as '10101' by the new auxiliary identification number generation unit 119, the operation processing unit 120 configures the first main identification number '321123' As a second column vector with 6 numbers as components, '

' as a second row vector having five numbers constituting '10101', which is the first new auxiliary identification number, as a component.

' can be created.

Thereafter, the operation processing unit 120 calculates the Kronecker product between the second column vector and the second row vector according to Equations 2 to 4, thereby forming a second operation matrix having a size of 6 × 5 '

' can be created.

Then, the update unit 121 calculates the Euclidean norm of the second operation matrix as '9.16' according to Equation 1, and then stores the first stored in the complex information storage unit 111 as shown in Table 1 above. 1, the Euclidean norm 'N1' is changed to '9.16', which is the Euclidean norm of the second operation matrix, as shown in Table 2 below, and the first auxiliary stored in the complex information storage unit 111 as shown in Table 1 above. The identification number '12321' may be changed to '10101', the first new auxiliary identification number, as shown in Table 2 below.

Auxiliary identification number of each of the plurality of gold bars	Euclidean gambling
10101	9.16
23432	N2
34543	N3
...	...

Thereafter, the replacement request unit 122 transmits '10101', which is the first new auxiliary identification number, to the terminal 130 of the first user, and at the same time, the second stored in the terminal 130 of the first user. The first auxiliary identification number '12321' may be replaced with '10101', which is the first new auxiliary identification number, and a replacement command instructing to be stored may be transmitted to the terminal 130 of the first user.

Through this, the first auxiliary identification number is replaced with the first new auxiliary identification number in the terminal 130 of the first user, and if the first user uses the terminal 130 of the first user When accessing the gold bar genuine product authentication server 110 according to the present invention and performing the activation procedure for the first gold bar again, the gold bar genuine product authentication server 110 according to the present invention receives the information from the terminal 130 of the first user. After receiving the first main identification number included in the two-dimensional code printed on the first gold bar, the Kronecker product between the column vector according to the first main identification number and the row vector according to the first new auxiliary identification number is calculated, , by comparing whether the Euclidean norm of the calculated value is the same as the new Euclidean norm corresponding to the first new auxiliary identification number stored in the complex information storage unit 111, the activation process for the first gold bar can be re-performed there is.

According to an embodiment of the present invention, the gold bar genuine authentication server 110 may further include a configuration for supporting the transfer of gold bars between users. In this regard, the gold bar genuine authentication server 110 according to the present invention includes a terminal information requesting unit 123 , a requesting unit 124 , a generating unit 125 , an operation matrix generating unit 126 , an update processing unit 127 and It may further include a transmitter 128 .

When a transfer processing command for transferring the first gold bar to the second user is received from the terminal 130 of the first user, the terminal information request unit 123 sends the terminal 130 of the first user to the terminal of the second user. Requests terminal information for (140).

At this time, when the terminal information about the second user's terminal 140 is requested from the gold bar genuine authentication server 110, the first user's terminal 130 transmits the terminal information about the second user's terminal 140 to the gold bar genuine product. It can be transmitted to the authentication server 110 .

When terminal information on the terminal 140 of the second user is received from the terminal 130 of the first user, the request unit 124 establishes a communication connection with the terminal 140 of the second user based on the terminal information. When an attempt is made and a communication connection is established with the terminal 140 of the second user, the main identification number for the first gold bar is inserted into the two-dimensional code printed on the first gold bar by the terminal 140 of the second user. request the transmission of

At this time, when the second user requests transmission of the primary identification number for the first gold bar from the gold bar genuine authentication server 110 to the second user's terminal 140 , the 2 installed in the second user's terminal 140 . A two-dimensional code printed on the first gold bar may be recognized through a dimension code recognizer, and a main identification number for the first gold bar may be extracted from the two-dimensional code. If the first primary identification number is extracted as the primary identification number for the first gold bar, the second user's terminal 140 may transmit the first primary identification number to the gold bar genuine authentication server 110 . .

In this way, as the two-dimensional code printed on the first gold bar is recognized by the second user's terminal 140 and the first main identification number is extracted, the gold bar genuine authentication server 110 from the second user's terminal 140 ), when the first main identification number is received, the generator 125 randomly generates a second new auxiliary identification number of k digits for the first gold bar.

When the second new auxiliary identification number is randomly generated, the operation matrix generation unit 126 generates a third column vector having n numbers constituting the first main identification number as a component, and the second new auxiliary identification number is generated. After generating a third row vector having k numbers constituting an identification number as a component, a Kronecker product between the third column vector and the third row vector is calculated to generate a third operation matrix having a size of nxk.

The update processing unit 127 calculates the Euclidean norm of the third operation matrix, then changes the first Euclidean norm stored in the complex information storage unit 111 to the Euclidean norm of the third operation matrix, and stores the complex information The first auxiliary identification number stored in the unit 111 is changed to the second new auxiliary identification number.

The transmission unit 128 transmits the second new auxiliary identification number to the terminal 140 of the second user, and at the same time uses the second new auxiliary identification number as an auxiliary identification number for the first gold bar of the second user. A storage command instructing the terminal 140 to be stored is transmitted to the terminal 140 of the second user.

Hereinafter, operations of the generating unit 125 , the arithmetic matrix generating unit 126 , the update processing unit 127 , and the transmitting unit 128 will be described in detail by way of example.

For example, as in the above example, it is assumed that 'n=6' and 'k=5', and that the first main identification number for the first gold bar received from the terminal 140 of the second user is '321123'. It is assumed that the first auxiliary identification number is '12321' and the first Euclidean norm is 'N1'.

In this case, the generator 125 may randomly generate a 5-digit second new auxiliary identification number for the first gold bar.

If it is assumed that the second new auxiliary identification number is generated by the generation unit 125 as '20002', the operation matrix generation unit 126 may generate six As a third column vector with numbers as components '

' as a third row vector having five numbers constituting '20002', which is the second new auxiliary identification number, as a component.

' can be created.

Thereafter, the update processing unit 127 calculates the Kronecker product between the third column vector and the third row vector according to Equations 2 to 4, so that the third operation matrix ' having a size of 6 x 5'

' can be created.

Then, the update processing unit 127 calculates the Euclidean norm of the third operation matrix as '14.96' according to Equation 1, and then the first stored in the complex information storage unit 111 as shown in Table 1 above. 1, the Euclidean norm 'N1' is changed to '14.96', the Euclidean norm of the third operation matrix, as shown in Table 3 below, and the first auxiliary stored in the complex information storage unit 111 as shown in Table 1 above. The identification number '12321' may be changed to '20002', the second new auxiliary identification number, as shown in Table 3 below.

Auxiliary identification number of each of the plurality of gold bars	Euclidean gambling
20002	14.96
23432	N2
34543	N3
...	...

After that, the transmitting unit 128 transmits the second new auxiliary identification number '20002' to the terminal 140 of the second user and simultaneously transmits the second new auxiliary identification number '20002' to the first user. A storage command instructing to be stored in the terminal 140 of the second user as the auxiliary identification number for the gold bar may be transmitted to the terminal 140 of the second user.

Through this, the second new auxiliary identification number is stored in the second user's terminal 140 , and if the second user receives the first gold bar and then uses the second user's terminal 140 to view it When accessing the gold bar genuine product authentication server 110 according to the present invention and proceeding with the activation procedure for the first gold bar, the gold bar genuine product authentication server 110 according to the present invention receives the first product from the terminal 140 of the second user. After receiving the first main identification number included in the two-dimensional code printed on 1 gold bar, calculating the Kronecker product between the column vector according to the first main identification number and the row vector according to the second new auxiliary identification number, By comparing whether the Euclidean norm of the calculated value is the same as the new Euclidean norm corresponding to the second new auxiliary identification number stored in the complex information storage unit 111, the activation process for the first gold bar can be performed. .

At this time, according to an embodiment of the present invention, the gold bar genuine authentication server 110 may further include a deletion command transmission unit 129 .

The deletion command transmitting unit 129 transmits the second new auxiliary identification number to the second user's terminal 140 and at the same time the storage command is transmitted to the second user's terminal 140, the first user's terminal A deletion command instructing to delete the first auxiliary identification number stored in 130 is transmitted to the terminal 130 of the first user.

For example, according to the above-described example, the deletion command transmitting unit 129 transmits the second new auxiliary identification number '20002' to the second user's terminal 140 by the transmitting unit 128 and simultaneously transmits the storage When the command is transmitted to the terminal 140 of the second user, a deletion command instructing to delete the first auxiliary identification number '12321' stored in the terminal 130 of the first user is transmitted to the terminal of the first user ( 130) can be transmitted.

Through this, the first auxiliary identification number is deleted from the terminal 130 of the first user.

3 is a flowchart illustrating an operation method of a gold bar genuine product authentication server performing genuine product authentication for a gold bar according to an embodiment of the present invention.

In step S310, a plurality of gold bars (in each of the plurality of gold bars, n (n is a natural number of 2 or more) digit main identification number for identifying each gold bar and k (k is 2 or more) for authenticating each gold bar A natural number) a digit auxiliary identification number is assigned, and a two-dimensional code in which information on the main identification number of each gold bar is inserted is printed on each of the plurality of gold bars) each auxiliary identification number and the plurality of gold bars Each preset Euclidean norm (the Euclidean norm is a column vector having as components n numbers constituting an n-digit main identification number assigned to each of the plurality of gold bars, and k constituting a k-digit auxiliary identification number It maintains a complex information storage unit in which the Euclidean norm of a matrix having a size of nxk generated by calculating the Kronecker product between row vectors having numbers as components) corresponds to each other and is stored.

In step S320, the terminal of the first user who purchased the first gold bar which is one of the plurality of gold bars (the first user's terminal stores the first auxiliary identification number assigned to the first gold bar in advance, When a genuine product authentication request for the first gold bar is received from ), a request is made to transmit an auxiliary identification number for the first gold bar to the terminal of the first user.

In step S330, when the first auxiliary identification number pre-stored in the first user's terminal is received as the auxiliary identification number for the first gold bar from the first user's terminal, it is transmitted to the first user's terminal. It requests transmission of the main identification number for the first gold bar, which is inserted in the two-dimensional code printed on the first gold bar.

In step S340, the two-dimensional code printed on the first gold bar is recognized by the terminal of the first user and the first main identification number that is the main identification number of the first gold bar is extracted, so that the terminal of the first user When the first main identification number is received from , a first Euclidean norm corresponding to the first auxiliary identification number is extracted from the composite information storage unit.

In step S350, when the first Euclidean norm is extracted, a first column vector having n numbers constituting the first main identification number as components is generated, and k numbers constituting the first auxiliary identification number After generating a first row vector having as components, a Kronecker product between the first column vector and the first row vector is calculated to generate a first operation matrix having a size of nxk.

In step S360, after calculating the Euclidean norm of the first operation matrix, it is checked whether the Euclidean norm of the first operation matrix is the same as the first Euclidean norm, so that the Euclidean norm of the first operation matrix is the first Euclidean norm If it is confirmed that it is the same as , it is confirmed that the first gold bar is genuine.

In step S370, when it is confirmed that the first gold bar is genuine, a genuine product authentication message indicating that the first gold bar is genuine is generated and transmitted to the terminal of the first user.

At this time, according to an embodiment of the present invention, if it is confirmed that the Euclidean norm of the first operation matrix is not the same as the first Euclidean norm in step S360, it can be confirmed that the first gold bar is not genuine. there is.

In this case, when it is confirmed that the first gold bar is not genuine in step S370, a non-genuine confirmation message indicating that the first gold bar is not genuine may be transmitted to the terminal of the first user.

In addition, according to an embodiment of the present invention, the operating method of the gold bar activation server is to change the first auxiliary identification number and the first Euclidean norm when the activation message is transmitted to the first user's terminal. generating an update event for, when the update event occurs, randomly generating a k-digit first new auxiliary identification number for the first gold bar; when the first new auxiliary identification number is randomly generated, After generating a second column vector having n numbers constituting the first main identification number as components, and generating a second row vector having k numbers constituting the first new auxiliary identification number as components, the second generating a second arithmetic matrix having a size of nxk by calculating a Kronecker product between two column vectors and the second row vector, the Euclidean norm of the second arithmetic matrix being calculated and stored in the complex information storage unit Changing the first Euclidean norm to the Euclidean norm of the second operation matrix, changing the first auxiliary identification number stored in the complex information storage unit to the first new auxiliary identification number, and the first new auxiliary identification number At the same time as transmitting the identification number to the terminal of the first user, a replacement command instructing to replace and store the first auxiliary identification number stored in the terminal of the first user with the first new auxiliary identification number The method may further include transmitting to the terminal of the first user.

In addition, according to an embodiment of the present invention, in the method of operating the gold bar genuine authentication server, when a transfer processing command for transferring the first gold bar to the second user is received from the terminal of the first user, the first user requesting terminal information on the terminal of the second user from a terminal of, when terminal information on the terminal of the second user is received from the terminal of the first user, based on the terminal information of the second user When a communication connection is attempted with a terminal and a communication connection is established with the terminal of the second user, a note about the first gold bar inserted in the two-dimensional code printed on the first gold bar to the terminal of the second user requesting the transmission of an identification number, as the two-dimensional code printed on the first gold bar is recognized by the terminal of the second user and the first main identification number is extracted, the first from the terminal of the second user When the primary identification number is received, randomly generating a second new secondary identification number of k digits for the first gold bar; when the second new secondary identification number is randomly generated, the first primary identification number is configured After generating a third column vector having n numbers as components, and a third row vector having k numbers constituting the second new auxiliary identification number as components, the third column vector and the third row vector generating a third operation matrix having a size of nxk by calculating a Kronecker product between changing to the Euclidean norm of an operation matrix, changing the first auxiliary identification number stored in the complex information storage unit to the second new auxiliary identification number, and changing the second new auxiliary identification number to the second user's At the same time as transmitting to the terminal, a storage command instructing to store the second new auxiliary identification number as an auxiliary identification number for the first gold bar in the terminal of the second user is transmitted to the second user. It may further include the step of transmitting to the terminal.

At this time, according to an embodiment of the present invention, in the operating method of the gold bar genuine authentication server, the second new auxiliary identification number is transmitted to the second user's terminal and, at the same time, the storage command is transmitted to the second user's terminal When transmitted, the method may further include transmitting a deletion command instructing to delete the first auxiliary identification number stored in the terminal of the first user to the terminal of the first user.

Above, the operation method of the gold bar genuine authentication server according to an embodiment of the present invention has been described with reference to FIG. 3 . Here, since the operation method of the gold bar genuine authentication server according to an embodiment of the present invention may correspond to the configuration of the operation of the gold bar genuine authentication server 110 described with reference to FIGS. 1 and 2 , a more detailed description thereof is to be omitted.

The operating method of the gold bar genuine authentication server according to an embodiment of the present invention may be implemented as a computer program stored in a storage medium for execution through combination with a computer.

In addition, the operating method of the gold bar genuine authentication server according to an embodiment of the present invention may be implemented in the form of a program command that can be executed through various computer means and recorded in 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. .

Claims (12)

1. In the gold bar activation server that performs activation for gold bars,

   A plurality of gold bars - In each of the plurality of gold bars, n (n is a natural number greater than or equal to 2) digit main identification number for identifying each gold bar and k (k is a natural number greater than or equal to 2) for authenticating each gold bar ) digit auxiliary identification number is assigned, and a two-dimensional code in which information on the main identification number of each gold bar is inserted is printed on each of the plurality of gold bars - each auxiliary identification number and each of the plurality of gold bars Pre-set Euclidean Norm of - The Euclidean norm constitutes a column vector having n numbers constituting an n-digit main identification number assigned to each of the plurality of gold bars as components and a k-digit auxiliary identification number. It means the Euclidean norm of a matrix having a size of nxk generated by calculating a Kronecker product between row vectors having k numbers as components - a complex information storage unit that stores the corresponding ones;

   From the terminal of the first user who purchased the first gold bar, which is one of the plurality of gold bars, the first auxiliary identification number assigned to the first gold bar is pre-stored in the terminal of the first user. an auxiliary identification number requesting unit for requesting transmission of an auxiliary identification number for the first gold bar to the terminal of the first user when a genuine product authentication request for the first gold bar is received;

   When the first auxiliary identification number pre-stored in the first user's terminal is received from the first user's terminal as the auxiliary identification number for the first gold bar, the first user's terminal is transferred to the first gold bar. a main identification number requesting unit for requesting transmission of a main identification number for the first gold bar inserted in the printed two-dimensional code;

   As the two-dimensional code printed on the first gold bar is recognized by the terminal of the first user and the first main identification number that is the main identification number of the first gold bar is extracted, the first main identification number is extracted from the terminal of the first user. When the identification number is received, a Euclidean norm extracting unit for extracting a first Euclidean norm corresponding to the first auxiliary identification number from the complex information storage unit;

   When the first Euclidean norm is extracted, a first column vector having n numbers constituting the first main identification number as components is generated, and a first column vector having k numbers constituting the first auxiliary identification number as components is generated. an operation unit generating a first operation matrix having a size of nxk by calculating a Kronecker product between the first column vector and the first row vector after generating one row vector;

   After calculating the Euclidean norm of the first operation matrix, it is confirmed that the Euclidean norm of the first operation matrix is the same as the first Euclidean norm, and the Euclidean norm of the first operation matrix is confirmed to be the same as the first Euclidean norm In this case, the first gold bar is genuine checking unit to confirm that it is genuine; and

   When it is confirmed that the first gold bar is genuine, a message transmission unit that generates a genuine product authentication message indicating that the first gold bar is genuine and transmits it to the terminal of the first user

   Gold bar activation server that includes.
2. According to claim 1,

   The authenticity check unit

   If it is confirmed that the Euclidean norm of the first operation matrix is not the same as the first Euclidean norm, it is confirmed that the first gold bar is not genuine;

   The message sending unit

   When it is confirmed that the first gold bar is not genuine, the gold bar genuine product authentication server transmits a non-genuine product confirmation message indicating that the first gold bar is not genuine, to the terminal of the first user.
3. According to claim 1,

   an update event generator for generating an update event for changing the first auxiliary identification number and the first Euclidean norm when the activation message is transmitted to the terminal of the first user;

   a new auxiliary identification number generator for randomly generating a k-digit first new auxiliary identification number for the first gold bar when the update event occurs;

   When the first new auxiliary identification number is randomly generated, a second column vector having n numbers constituting the first main identification number as a component is generated, and k numbers constituting the first new auxiliary identification number an arithmetic processing unit generating a second row vector having as components, and then calculating a Kronecker product between the second column vector and the second row vector to generate a second arithmetic matrix having a size of nxk;

   After calculating the Euclidean norm of the second operation matrix, the first Euclidean norm stored in the complex information storage unit is changed to the Euclidean norm of the second operation matrix, and the first Euclidean norm stored in the complex information storage unit an update unit for changing the first auxiliary identification number to the first new auxiliary identification number; and

   Instructs to transmit the first new auxiliary identification number to the first user's terminal and to replace the first auxiliary identification number stored in the first user's terminal with the first new auxiliary identification number to store a replacement request unit for transmitting a replacement command to the terminal of the first user

   Gold bar activation server that further includes.
4. According to claim 1,

   When a transfer processing command for transferring the first gold bar to the second user is received from the first user's terminal, the terminal information request unit requests terminal information on the second user's terminal from the first user's terminal ;

   When terminal information on the terminal of the second user is received from the terminal of the first user, a communication connection with the terminal of the second user is attempted based on the terminal information, and communication connection with the terminal of the second user is received When this is done, a request unit for requesting transmission of the main identification number for the first gold bar inserted in the two-dimensional code printed on the first gold bar to the second user's terminal;

   As the second user's terminal recognizes the two-dimensional code printed on the first gold bar and the first main identification number is extracted, when the first main identification number is received from the second user's terminal, the second a generator for randomly generating a second new auxiliary identification number of k digits for 1 gold bar;

   When the second new auxiliary identification number is randomly generated, a third column vector having n numbers constituting the first main identification number as a component is generated, and k numbers constituting the second new auxiliary identification number an arithmetic matrix generating unit generating a third arithmetic matrix having a size of nxk by calculating a Kronecker product between the third column vector and the third row vector after generating a third row vector having as components;

   After calculating the Euclidean norm of the third operation matrix, the first Euclidean norm stored in the complex information storage unit is changed to the Euclidean norm of the third operation matrix, and the first Euclidean norm stored in the complex information storage unit an update processing unit for changing the first auxiliary identification number to the second new auxiliary identification number; and

   A storage instructing to transmit the second new auxiliary identification number to the terminal of the second user and to store the second new auxiliary identification number as an auxiliary identification number for the first gold bar in the terminal of the second user Transmitting unit for transmitting a command to the terminal of the second user

   Gold bar activation server that further includes.
5. 5. The method of claim 4,

   When the second new auxiliary identification number is transmitted to the terminal of the second user and the storage command is transmitted to the terminal of the second user, the first auxiliary identification number stored in the terminal of the first user is stored Delete command transmission unit for transmitting a deletion command instructing to delete to the terminal of the first user

   Gold bar activation server that further includes.
6. In the operating method of a gold bar activation server that performs activation for gold bars,

   A plurality of gold bars - In each of the plurality of gold bars, n (n is a natural number greater than or equal to 2) digit main identification number for identifying each gold bar and k (k is a natural number greater than or equal to 2) for authenticating each gold bar ) digit auxiliary identification number is assigned, and a two-dimensional code in which information on the main identification number of each gold bar is inserted is printed on each of the plurality of gold bars - each auxiliary identification number and each of the plurality of gold bars Pre-set Euclidean Norm of - The Euclidean Norm constitutes a column vector having n numbers constituting an n-digit main identification number assigned to each of the plurality of gold bars as components and a k-digit auxiliary identification number. means the Euclidean norm of a matrix having a size of nxk generated by calculating a Kronecker product between row vectors having k numbers as components - maintaining a complex information storage unit in which these are stored in correspondence with each other;

   From the terminal of the first user who purchased the first gold bar, which is one of the plurality of gold bars, the first auxiliary identification number assigned to the first gold bar is pre-stored in the terminal of the first user. requesting transmission of an auxiliary identification number for the first gold bar to the terminal of the first user when a genuine product authentication request for the first gold bar is received;

   When the first auxiliary identification number pre-stored in the first user's terminal is received from the first user's terminal as the auxiliary identification number for the first gold bar, the first user's terminal is transferred to the first gold bar. requesting transmission of a main identification number for the first gold bar inserted in the printed two-dimensional code;

   As the two-dimensional code printed on the first gold bar is recognized by the terminal of the first user and the first main identification number that is the main identification number of the first gold bar is extracted, the first main identification number is extracted from the terminal of the first user. when the identification number is received, extracting a first Euclidean norm corresponding to the first auxiliary identification number from the composite information storage unit;

   When the first Euclidean norm is extracted, a first column vector having n numbers constituting the first main identification number as components is generated, and a first column vector having k numbers constituting the first auxiliary identification number as components is generated. generating a first arithmetic matrix having a size of nxk by generating one row vector and then calculating a Kronecker product between the first column vector and the first row vector;

   After calculating the Euclidean norm of the first operation matrix, it is confirmed that the Euclidean norm of the first operation matrix is the same as the first Euclidean norm, and the Euclidean norm of the first operation matrix is confirmed to be the same as the first Euclidean norm in this case, confirming that the first gold bar is genuine; and

   When it is confirmed that the first gold bar is genuine, generating an activation message indicating that the first gold bar is genuine and transmitting it to the terminal of the first user

   A method of operation of a gold bar activation server comprising a.
7. 7. The method of claim 6,

   The checking step is

   If it is confirmed that the Euclidean norm of the first operation matrix is not the same as the first Euclidean norm, it is confirmed that the first gold bar is not genuine;

   The sending step is

   When it is confirmed that the first gold bar is not genuine, a non-genuine confirmation message is transmitted to the terminal of the first user indicating that the first gold bar is not genuine.
8. 7. The method of claim 6,

   generating an update event for changing the first auxiliary identification number and the first Euclidean norm when the activation message is transmitted to the terminal of the first user;

   when the update event occurs, randomly generating a k-digit first new auxiliary identification number for the first gold bar;

   When the first new auxiliary identification number is randomly generated, a second column vector having n numbers constituting the first main identification number as a component is generated, and k numbers constituting the first new auxiliary identification number generating a second arithmetic matrix having a size of nxk by generating a second row vector having as components and then calculating a Kronecker product between the second column vector and the second row vector;

   After calculating the Euclidean norm of the second operation matrix, the first Euclidean norm stored in the complex information storage unit is changed to the Euclidean norm of the second operation matrix, and the first Euclidean norm stored in the complex information storage unit changing the first auxiliary identification number to the first new auxiliary identification number; and

   Instructs to transmit the first new auxiliary identification number to the first user's terminal and to replace the first auxiliary identification number stored in the first user's terminal with the first new auxiliary identification number to store transmitting a replacement command to the terminal of the first user

   The operation method of the gold bar activation server further comprising a.
9. 7. The method of claim 6,

   when a transfer processing command for transferring the first gold bar to a second user is received from the first user's terminal, requesting terminal information on the second user's terminal from the first user's terminal;

   When terminal information on the terminal of the second user is received from the terminal of the first user, a communication connection with the terminal of the second user is attempted based on the terminal information, and communication connection with the terminal of the second user is received when this is done, requesting the second user's terminal to transmit the main identification number for the first gold bar inserted in the two-dimensional code printed on the first gold bar;

   As the second user's terminal recognizes the two-dimensional code printed on the first gold bar and the first main identification number is extracted, when the first main identification number is received from the second user's terminal, the second randomly generating a second new auxiliary identification number of k digits for 1 gold bar;

   When the second new auxiliary identification number is randomly generated, a third column vector having n numbers constituting the first main identification number as a component is generated, and k numbers constituting the second new auxiliary identification number generating a third matrix having a size of nxk by generating a third row vector having as components and then calculating a Kronecker product between the third column vector and the third row vector;

   After calculating the Euclidean norm of the third operation matrix, the first Euclidean norm stored in the complex information storage unit is changed to the Euclidean norm of the third operation matrix, and the first Euclidean norm stored in the complex information storage unit changing the first auxiliary identification number to the second new auxiliary identification number; and

   Storing instructing to transmit the second new auxiliary identification number to the terminal of the second user and to store the second new auxiliary identification number as an auxiliary identification number for the first gold bar in the terminal of the second user sending a command to the terminal of the second user

   The operation method of the gold bar activation server further comprising a.
10. 10. The method of claim 9,

    When the second new auxiliary identification number is transmitted to the terminal of the second user and the storage command is transmitted to the terminal of the second user, the first auxiliary identification number stored in the terminal of the first user is stored Transmitting a deletion command instructing to delete to the terminal of the first user

    The operation method of the gold bar activation server further comprising a.
11. A computer-readable recording medium recording a computer program for executing the method of any one of claims 6 to 10 through combination with a computer.
12. A computer program stored in a storage medium for executing the method of any one of claims 6 to 10 through combination with a computer.

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