KR20230036386A - Service managing server for managing metaverse service, which provides metaverse environment using avatar, and the operating method thereof - Google Patents

Abstract

The present invention relates to a service managing server capable of providing a metaverse environment and an operating method thereof. The service managing server capable of providing a metaverse environment is able to, when an avatar creation command is received from an electronic terminal of a first member subscribed for a metaverse service, create a first avatar, issue a digital DNA for the first avatar, store the digital DNA in an avatar storage server, verify the digital DNA for the first avatar when an access request to the metaverse service is received, load the data on the first avatar on the metaverse environment of the first member, and provide a metaverse environment where the first avatar exists for the first member. Therefore, members can be supported to have and use their own unique avatars in a metaverse environment.

Description

Service operation server and its operation method for operating a metaverse service that provides a metaverse environment using avatars

The present invention relates to a service operation server for operating a metaverse service that provides a metaverse environment using an avatar and an operation method thereof.

Metaverse is a compound word of 'meta', which means virtual and transcendence, and 'universe', which means world and universe, and means a three-dimensional virtual world linked to reality.

Recently, as the global COVID-19 pandemic has been prolonged, contact and movement between people are limited, and as 5G communication networks that can transmit large amounts of information at high speed are expanded, various forms of life or game-type virtual worlds are being developed. Metaverse services are emerging.

These metaverse services provide users with a metaverse environment using avatars, allowing users to conduct personal activities such as education and shopping through their avatars, or to apply various digital items to their avatars. to provide. Using these functions, users can obtain fun and satisfaction by performing desired activities in the metaverse environment without physical limitations or by applying various digital items to avatars.

On the other hand, since the data on users' avatars may include important information such as the user's personal information, if the data on the avatar is exposed to others, it is possible to copy the user's avatar or abuse the user's personal information. Problems can arise.

In this regard, in order to prevent this problem, when creating an avatar that can be used in the metaverse service, digital DNA for the created avatar is issued and stored, and a request for access to the metaverse service is received from the user's electronic terminal. Once received, research on technology for strengthening the security of data for the user's avatar is conducted by performing verification of the digital DNA of the user's avatar before providing the metaverse environment in which the user's avatar exists to the user. need.

In the present invention, when an avatar creation command is received from an electronic terminal of a first member subscribed to a metaverse service, a first avatar is created, digital DNA for the first avatar is issued, and stored in an avatar storage server. After, when a request for access to the metaverse service is received from the electronic terminal, digital DNA for the first avatar is verified, and then the data for the first avatar is transferred to the metaverse of the first member. By presenting a service operation server and its operating method that loads on the environment and provides a metaverse environment in which the first avatar exists for the first member, members subscribed to the metaverse service, their own unique We want to support the use of avatars in the metaverse environment.

A service operation server for operating a metaverse service that provides a metaverse environment using an avatar according to an embodiment of the present invention includes member information for each of a plurality of members subscribed to the metaverse service, A member information storage unit in which member identifiers for identifying each of the plurality of members are stored in correspondence with each other, and an avatar usable in the metaverse service from an electronic terminal of a first member who is one of the plurality of members. When an avatar creation command instructing to be created is received, an issuance event generation unit generating a digital DNA issuance event for issuing a digital DNA for the first avatar after generating a first avatar, the digital DNA issuance event When generated, an electronic signature requesting unit requesting an electronic signature based on the data on the first avatar while transmitting data on the first avatar to the electronic terminal; A first private key and a first public key, wherein the first public key is a public key forming a key pair with the first private key, are generated, and the data for the first avatar is digitally signed with the first private key, and the first electronic key is generated. As the signature value is generated, when the first electronic signature value and the first public key are received from the electronic terminal, a first avatar private key and a first avatar public key - the first avatar public key is the first avatar public key After generating a public key forming a key pair with the avatar private key, a second electronic signature value is generated by additionally electronically signing the first electronic signature value with the first avatar private key, and the second electronic signature value is set to the first digital signature value. 1 Digital DNA designation unit designating digital DNA for an avatar, and when the second electronic signature value is designated as digital DNA for the first avatar, a first member identifier for the first member is obtained from the member information storage unit. After extraction, access to a pre-designated avatar storage server is performed, and the first member identifier, data for the first avatar and the first member identifier are accessed. Avatar storage processing unit for matching digital DNAs of avatars to each other and storing them in the avatar storage server, generating first avatar identification information for identifying the first avatar based on data on the first avatar, A key storage processing unit that accesses a designated key storage server and stores the first avatar identification information, the first public key, and the first avatar public key in the key storage server by matching them with each other; the first avatar identification information; After the first public key and the first avatar public key are stored in the key storage server, when a request for access to the metaverse service is received from the electronic terminal, the information about the first member is received from the member information storage unit. After extracting the first member identifier, the avatar storage server is accessed, and data on the first avatar stored in correspondence with the first member identifier and digital DNA for the first avatar are extracted from the avatar storage server. an information extracting unit that, when the data for the first avatar and the digital DNA for the first avatar are extracted from the avatar storage server, the information for identifying the first avatar based on the data for the first avatar; After generating first avatar identification information, accessing the key storage server and extracting the first public key and the first avatar public key stored in correspondence with the first avatar identification information from the key storage server When the first public key and the first avatar public key are extracted from the key extraction unit and the key storage server, the digital DNA for the first avatar is generated based on the first public key and the first avatar public key. By performing verification, when verification of the digital DNA for the first avatar is completed, data for the first avatar is loaded onto the metaverse environment of the first member, so that for the first member, the first avatar It includes a metaverse environment provider that provides a metaverse environment in which avatars exist.

In addition, the method of operating a service operation server for operating a metaverse service that provides a metaverse environment using an avatar according to an embodiment of the present invention provides member information for each of a plurality of members subscribed to the metaverse service. And, maintaining a member information storage unit in which member identifiers for identifying each of the plurality of members are stored in correspondence with each other, from an electronic terminal of a first member, which is one of the plurality of members, the metaverse service Generating a digital DNA issuance event for issuing a digital DNA for the first avatar after generating a first avatar when an avatar creation command instructing to create an avatar usable in is received, issuing the digital DNA When an event occurs, requesting an electronic signature based on data on the first avatar while transmitting data on the first avatar to the electronic terminal; A private key and a first public key, wherein the first public key is a public key forming a key pair with the first private key, are generated, and data for the first avatar is digitally signed with the first private key, thereby generating the first electronic signature. As the value is generated, when the first electronic signature value and the first public key are received from the electronic terminal, a first avatar private key and a first avatar public key - the first avatar public key is the first avatar public key After generating a public key forming a key pair with a private key, a second electronic signature value is generated by additionally electronically signing the first electronic signature value with the first avatar private key, and the second electronic signature value is converted into the first digital signature value. designating as digital DNA for the avatar; if the second electronic signature value is designated as digital DNA for the first avatar, after extracting a first member identifier for the first member from the member information storage unit, By accessing a designated avatar storage server, the first member identifier, data for the first avatar, and digital DNA for the first avatar Corresponding to each other and storing them in the avatar storage server, generating first avatar identification information for identifying the first avatar based on the data for the first avatar, and then accessing a pre-designated key storage server The first avatar identification information, the first public key, and the first avatar public key are mapped to each other and stored in the key storage server, the first avatar identification information, the first public key, and the first avatar public key. After the public key is stored in the key storage server, when a request for access to the metaverse service is received from the electronic terminal, after extracting the first member identifier for the first member from the member information storage unit, the accessing an avatar storage server, and extracting data on the first avatar stored in correspondence with the first member identifier and digital DNA for the first avatar from the avatar storage server; When the data for the first avatar and the digital DNA for the first avatar are extracted, the first avatar identification information for identifying the first avatar is generated based on the data for the first avatar, and then the first avatar identification information is generated. Accessing a key storage server, extracting the first public key and the first avatar public key stored in correspondence with the first avatar identification information from the key storage server, and the first disclosure from the key storage server When the key and the first avatar public key are extracted, the digital DNA of the first avatar is verified based on the first public key and the first avatar public key, and the digital DNA of the first avatar is verified. When verification of is completed, providing a metaverse environment in which the first avatar exists for the first member by loading data for the first avatar onto the metaverse environment of the first member. do.

In the present invention, when an avatar creation command is received from an electronic terminal of a first member subscribed to a metaverse service, a first avatar is created, digital DNA for the first avatar is issued, and stored in an avatar storage server. After, when a request for access to the metaverse service is received from the electronic terminal, digital DNA for the first avatar is verified, and then the data for the first avatar is transferred to the metaverse of the first member. By presenting a service operation server and its operating method that loads on the environment and provides a metaverse environment in which the first avatar exists for the first member, members subscribed to the metaverse service, their own unique It is possible to support the use of avatars in the metaverse environment.

1 is a diagram showing the structure of a service operation server for operating a metaverse service that provides a metaverse environment using an avatar according to an embodiment of the present invention.
2 is a flowchart illustrating an operating method of a service operation server for operating a metaverse service that provides a metaverse environment using an avatar 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. This description is not intended to limit the present invention to specific embodiments, but should be understood to include all modifications, equivalents, and substitutes included in the spirit and scope of the present invention. While describing each drawing, similar reference numerals have been used for similar components, and unless otherwise defined, all terms used in this specification, including technical or scientific terms, are common knowledge in the art to which the present invention belongs. has the same meaning as commonly understood by the person who has it.

In this document, when a certain component is said to "include", it means that it may further include other components without excluding other components unless otherwise stated. In addition, in various embodiments of the present invention, each component, functional block, or means may be composed of one or more sub-components, and the electrical, electronic, and mechanical functions performed by each component are electronic It may be implemented with various known elements or mechanical elements such as circuits, integrated circuits, ASICs (Application Specific Integrated Circuits), and may be implemented separately or two or more may be integrated into one.

On the other hand, the blocks of the accompanying block diagram or the steps of the flowchart are computer program instructions that perform designated functions by being loaded into a processor or memory of a device capable of data processing, such as a general-purpose computer, a special purpose computer, a portable notebook computer, and a network computer. can be interpreted as meaning Since these computer program instructions may be stored in a memory included in a computer device or in a computer readable memory, the functions described in blocks of a block diagram or steps of a flowchart are produced as a product containing instruction means for performing them. It could be. Further, each block or each step may represent a module, segment or portion of code that includes one or more executable instructions for executing specified logical function(s). Also, it should be noted that in some alternative embodiments, functions mentioned in blocks or steps may be executed out of a predetermined order. For example, two blocks or steps shown in succession may be performed substantially simultaneously or in reverse order, and in some cases, some blocks or steps may be omitted.

1 is a diagram showing the structure of a service operation server for operating a metaverse service that provides a metaverse environment using an avatar according to an embodiment of the present invention.

Referring to FIG. 1, the service operation server 110 according to the present invention includes a member information storage unit 111, an issuance event generator 112, an electronic signature request unit 113, a digital DNA designation unit 114, and an avatar It includes a storage processing unit 115, a key storage processing unit 116, an information extraction unit 117, a key extraction unit 118, and a metaverse environment providing unit 119.

In the member information storage unit 111, member information for each of a plurality of members subscribed to the metaverse service and member identifiers for identifying each of the plurality of members are stored in correspondence with each other.

In relation to this, the member information storage unit 111 includes member information for each of a plurality of members subscribed to the metaverse service as shown in Table 1 below, and member identifiers for identifying each of the plurality of members. Correspondingly, it may be stored.

member Profile member identifier Member 1 Member information 1 member identifier 1 member 2 Member information 2 member identifier 2 member 3 Member information 3 member identifier 3 ... ... ...

Issuance event generating unit 112 receives an avatar creation command instructing to create an avatar usable in the metaverse service from the electronic terminal 150 of the first member 140, which is one of the plurality of members. , after generating the first avatar, a digital DNA issuance event for issuing digital DNA for the first avatar is generated.

When the digital DNA issuance event is generated by the issuance event generating unit 112, the electronic signature requesting unit 113 transmits data on the first avatar to the electronic terminal 150, while transmitting data on the first avatar. Request an electronic signature based on the data.

The digital DNA designation unit 114 generates a first private key and a first public key (the first public key is a public key forming a key pair with the first private key) for electronic signature in the electronic terminal 140, , When the first electronic signature value and the first public key are received from the electronic terminal 150 as the data for the first avatar is digitally signed with the first private key to generate a first electronic signature value, After generating a first avatar private key and a first avatar public key (the first avatar public key is a public key forming a key pair with the first avatar private key), the first electronic signature value is used as the first avatar private key. A second electronic signature value is generated by performing an additional electronic signature, and the second electronic signature value is designated as the digital DNA of the first avatar.

When the second electronic signature value is designated as the digital DNA for the first avatar by the digital DNA designation unit 114, the avatar storage processing unit 115 transmits information from the member information storage unit 111 to the first member 140. After extracting the first member identifier for the first avatar, the avatar storage server 160 is accessed and the first member identifier, the data for the first avatar, and the digital DNA for the first avatar are matched with each other. Save to (160).

The key storage processing unit 116 generates first avatar identification information for identifying the first avatar based on the data of the first avatar, and then accesses a pre-designated key storage server 170 to obtain the first avatar. 1 Avatar identification information, the first public key, and the first avatar public key are stored in the key storage server 170 in correspondence with each other.

At this time, according to one embodiment of the present invention, the key storage processing unit 116 applies the data for the first avatar as an input to a preset hash function for generating avatar identification information to obtain the first avatar identification information. After generating, the key storage server 170 is accessed, and the first avatar identification information, the first public key, and the first avatar public key can be stored in the key storage server 170 in correspondence with each other.

In this way, after the first avatar identification information, the first public key, and the first avatar public key are stored in the key storage server 170 by the key storage processing unit 116, from the electronic terminal 150, the metaverse When a service access request is received, the information extraction unit 117 extracts the first member identifier for the first member 140 from the member information storage unit 111 and accesses the avatar storage server 160 to , Data on the first avatar stored in correspondence to the first member identifier and digital DNA on the first avatar are extracted from the avatar storage server 160 .

Then, the key extractor 118 extracts the first avatar data and the digital DNA of the first avatar from the avatar storage server 160 by the information extractor 117, and extracts the data for the first avatar. After generating the first avatar identification information for identifying the first avatar based on data for the first avatar, accessing the key storage server 170 and responding to the first avatar identification information from the key storage server 170 and extracts the stored first public key and the first avatar public key.

At this time, according to one embodiment of the present invention, when the key extraction unit 118 extracts the data for the first avatar and the digital DNA for the first avatar from the avatar storage server 160, the first avatar After generating the first avatar identification information by applying the data for the hash function as an input, it is connected to the key storage server 170 and stored in correspondence with the first avatar identification information from the key storage server 170. The existing first public key and the first avatar public key may be extracted.

In this way, when the first public key and the first avatar public key are extracted from the key storage server 170 by the key extraction unit 118, the metaverse environment providing unit 119 extracts the first public key and the first avatar public key. Based on 1 avatar public key, digital DNA for the first avatar is verified, and when the digital DNA for the first avatar is verified, the data for the first avatar is transferred to the first member 140. By loading on the metaverse environment of , for the first member 140 , a metaverse environment in which the first avatar exists is provided.

At this time, according to one embodiment of the present invention, the metaverse environment provider 119 may include a verification performer 120 and a data loader 121.

When the first public key and the first avatar public key are extracted from the key storage server 170 by the key extraction unit 118, the verification unit 120 converts digital DNA of the first avatar to the first avatar. A first decryption value is generated by decryption with the avatar public key, and a second decryption value is generated by additional decryption of the first decryption value with the first public key, and then the second decryption value is combined with data for the first avatar. After comparison, if it is confirmed that the second decryption value matches the data for the first avatar, verification of the digital DNA for the first avatar is completed.

When the verification of the digital DNA of the first avatar is completed by the verification unit 120, the data loading unit 121 loads the data for the first avatar onto the metaverse environment of the first member 140. By doing so, a metaverse environment in which the first avatar exists is provided to the first member 140 .

Hereinafter, the operation of the service operation server 110 according to the present invention will be described in detail, for example.

First, the first member 140, which is one of the plurality of members, is referred to as 'Member 1 (140)', and from the electronic terminal 150 of 'Member 1 (140)' to the service operation server 110, Assume that an avatar creation command instructing to create an avatar usable in the metaverse service is received.

At this time, the issuance event generating unit 112 may generate a digital DNA issuance event for issuing digital DNA for 'Avatar 1' after generating 'Avatar 1'.

Then, the electronic signature requester 113 may request an electronic signature based on the data on 'Avatar 1' while transmitting data on 'Avatar 1' to the electronic terminal 150.

At this time, when the electronic terminal 150 receives data on 'Avatar 1' from the service operation server 110 and receives an electronic signature request based on the data on 'Avatar 1', the electronic terminal 150 receives 'for the electronic signature'. Create 'Private Key 1' and 'Public Key 1' ('Public Key 1' is a public key that forms a key pair with 'Private Key 1'), and digitally sign the data for 'Avatar 1' with 'Private Key 1'. After generating 'electronic signature value 1', 'electronic signature value 1' and 'public key 1' may be transmitted to the service operation server 110.

Accordingly, when 'electronic signature value 1' and 'public key 1' are received from the electronic terminal 150 in the service operation server 110, the digital DNA designator 114 selects 'avatar private key 1' and 'avatar private key 1'. Generate 'Public Key 1' ('Avatar Public Key 1' is a public key that forms a key pair with 'Avatar Private Key 1'), add 'Electronic Signature Value 1' to 'Avatar Private Key 1', and digitally sign 'Electronic Signature 1'. After creating Value 2', you can designate 'Electronic Signature Value 2' as the digital DNA for 'Avatar 1'.

Then, the avatar storage processing unit 115 extracts 'member identifier 1', which is a member identifier for 'member 1 140', from the member information storage unit 111 as shown in Table 1 above, and then the avatar storage server 160 ), 'Member Identifier 1', data for 'Avatar 1', and digital DNA for 'Avatar 1' may be stored in the avatar storage server 160 in correspondence with each other.

Thereafter, the key storage processing unit 116 applies the data for 'Avatar 1' as an input to a preset hash function for generating avatar identification information to generate 'Avatar identification information 1', and then the key storage server 170 ), 'avatar identification information 1', 'public key 1', and 'avatar public key 1' may be stored in the key storage server 170 in correspondence with each other.

In this way, by the avatar storage processing unit 115, the 'member identifier 1', data for 'avatar 1', and digital DNA for 'avatar 1' are stored in the avatar storage server 160 in correspondence with each other, and the key storage processing unit By (116), after 'avatar identification information 1', 'public key 1' and 'avatar public key 1' correspond to each other and are stored in the key storage server 170, from the electronic terminal 150, the metaverse When a service access request is received, the information extraction unit 117 extracts 'member identifier 1', which is a member identifier for 'member 1 140', from the member information storage unit 111 as shown in Table 1 above, and then , By accessing the avatar storage server 160, it is possible to extract data on 'Avatar 1' stored in correspondence with 'Member Identifier 1' and digital DNA for 'Avatar 1' from the avatar storage server 160. .

Then, the key extractor 118 generates 'Avatar identification information 1' by applying the data for 'Avatar 1' to the hash function as an input, and then accesses the key storage server 170 to access the key storage server. From (170), 'public key 1' and 'avatar public key 1' stored in correspondence with 'avatar identification information 1' can be extracted.

In this way, data on 'Avatar 1' stored in correspondence to 'Member Identifier 1' and digital DNA on 'Avatar 1' are extracted from the avatar storage server 160 by the information extractor 117, When extraction unit 118 completes extraction of 'public key 1' and 'avatar public key 1' stored in correspondence to 'avatar identification information 1' from key storage server 170, verification unit 120 decrypts the digital DNA for 'Avatar 1' with 'Avatar Public Key 1' to generate 'Decryption Value 1', and additionally decrypts 'Decryption Value 1' with 'Public Key 1' to generate 'Decryption Value 2' After that, it is possible to verify the digital DNA for 'Avatar 1' by checking whether 'decryption value 2' matches the data for 'Avatar 1'.

In this regard, in this embodiment, 'Avatar Public Key 1' is a public key forming a key pair with 'Avatar Private Key 1', 'Public Key 1' is a public key forming a key pair with 'Private Key 1', and 'Avatar Private Key 1' is a public key forming a key pair. Digital DNA for '1' is digitally signed by the electronic terminal 150 with 'private key 1' for 'Avatar 1' to generate 'Electronic Signature Value 1', then 'Electronic Signature Value 1' Since the 'electronic signature value 2' generated by being additionally digitally signed with 'avatar private key 1' by the digital DNA designation unit 114, the verification unit 120 converts 'decryption value 2' to 'avatar 1'. By comparing the data and confirming that the 'decryption value 2' matches the data for 'Avatar 1', verification of the digital DNA for 'Avatar 1' can be completed.

Then, the data loading unit 121 loads the data for 'Avatar 1' on the metaverse environment of 'Member 1 (140)', so that 'Avatar 1' exists for 'Member 1 (140)'. A metaverse environment can be provided.

According to one embodiment of the present invention, the service operation server 110 may further include a payment means information requesting unit 122 and a digital DNA inserting unit 123.

After the metaverse environment where the first avatar exists is provided to the first member 140 by the metaverse environment provider 119, the payment method information request unit 122, from the electronic terminal 150, When a purchase request for a first digital item, which is any one of a plurality of digital items applicable to the first avatar, is received, user authentication is performed on the first member 140, and then to the electronic terminal 150, Request transmission of payment method information for performing payment for the first digital item

When the first payment method information is received in response to the transmission request of the payment method information from the electronic terminal 150, the digital DNA insertion unit 123 stores the first digital item based on the first payment method information. After processing the payment for the first digital item, the digital DNA for the first avatar is inserted into the data for the first digital item.

At this time, according to an embodiment of the present invention, the payment method information requesting unit 122 has a specific configuration for performing user authentication on the first member 140, and includes a column vector storage unit 124 and an authentication event generating unit. (125), calculation unit 126, combination matrix generation unit 127, random code generation unit 128, feedback request unit 129, calculation matrix generation unit 130, and authentication completion processing unit 131. can

The column vector storage unit 124 stores n (n is a natural number greater than or equal to 2) column vectors previously shared with the electronic terminal 150 .

In this case, each of the n column vectors is a column vector having a size of 1 x n, and a component located in a predetermined column among n components constituting each of the n column vectors is designated as '1'. , elements located in the remaining columns are designated as '0', and each of the n column vectors is pre-assigned with a different integer of 0 or more and less than or equal to n-1 as a unique number.

For example, when n is '4', the column vector storage unit 124 may store '4' column vectors previously shared with the electronic terminal 150 as shown in Table 2 below.

'4' column vectors unique number

0

One

2

3

The authentication event generator 125 receives the first member 140 from the electronic terminal 150 after the metaverse environment where the first avatar exists is provided to the first member 140 by the metaverse environment providing unit 119. When a purchase request for a digital item is received, a user authentication event for performing user authentication on the first member 140 is generated.

When the user authentication event is generated by the authentication event generating unit 125, the calculation unit 126 obtains a date value for the current time when the user authentication event occurred, and uses n as a divisor for the date value. A first calculation value is calculated by performing a modulo operation.

Here, the modulo operation refers to an operation of calculating a remainder by performing division by dividing a dividend by a divisor.

When the first operation value is calculated by the calculator 126, the combination matrix generator 127 determines that the first operation value among the n column vectors stored in the column vector storage unit 124 is a unique number. After extracting the remaining n-1 column vectors excluding the column vector assigned to , the n-1 column vectors are sequentially combined in the order of small numbers assigned to the n-1 column vectors, Create an association matrix of size (n-1) x n.

When the coupling matrix is generated by the coupling matrix generator 127, the random code generator 128 randomly generates n-1 authentication codes and (n-1) ^two dummy codes.

When the n-1 authentication codes and the (n-1) ^two dummy codes are generated by the random code generator 128, the feedback requesting unit 129 sends the electronic terminal 150 to the n-1 authentication codes. While transmitting authentication codes and the (n-1) ² dummy codes, transmission of a feedback matrix based on the n-1 authentication codes and the (n-1) ² dummy codes is requested.

In response to the transmission request of the feedback matrix from the electronic terminal 150, the calculation matrix generator 130 generates a first feedback matrix (the first feedback matrix, the electronic terminal 150, the date for the current point in time). After obtaining a value and calculating the first operation value by performing a modulo operation with n as a divisor for the date value, the first operation value is calculated among the n column vectors pre-stored in the electronic terminal 150. The n-1 column vectors other than the column vectors to which the first operation values are allocated as unique numbers are extracted, and the n-1 column vectors allocated to the n-1 column vectors are in descending order. After sequentially combining column vectors to generate the coupling matrix having a size of (n-1) xn, n of the [(n-1) xn] elements constituting the coupling matrix where '1' is designated Each of the -1 components is replaced with the n-1 authentication codes one by one, and each of the (n-1) ² components designated with '0' is replaced with the (n-1) ² dummy codes. When a matrix having a size of (n-1) xn, generated by permuting one by one, is received, a Hadamard product between the first feedback matrix and the coupling matrix is calculated to obtain a size of (n-1) xn Creates an operation matrix.

Here, the Hadamard product means an operation of multiplying each component in a matrix of the same size. When there are matrices '[a b c]' and '[x y z]', when the Hadamard product between the two matrices is by cz]' may be calculated.

When the calculation matrix is generated by the calculation matrix generator 130, the authentication completion processing unit 131 determines n-1 elements other than '0' among [(n-1) x n] components constituting the calculation matrix. Components are extracted into n-1 authentication components, and the n-1 authentication components are compared with the n-1 authentication codes, so that the n-1 authentication components are the n-1 authentication components. When it is confirmed that all of the authentication codes match, user authentication for the first member 140 is completed.

Hereinafter, an authentication event generating unit 125, a calculating unit 126, a combination matrix generating unit 127, a random code generating unit 128, a feedback requesting unit 129, an operation matrix generating unit 130, and authentication completion The operation of the processing unit 131 will be described in detail by way of example.

First, as in the above example, let n be '4', and the metaverse environment in which 'avatar 1' exists is provided to 'member 1 (140)' by the metaverse environment providing unit 119. , After that, it is assumed that the service operation server 110 receives a purchase request for 'digital item 1', which is any one of a plurality of digital items applicable to 'avatar 1', from the electronic terminal 150.

Then, the authentication event generating unit 125 may generate a user authentication event to perform user authentication for 'Member 1 (140)'.

At this time, if the current time when the user authentication event occurred is 'September 1, 2021', the calculation unit 126 obtains a date value for the current time when the user authentication event occurred, such as '20210901' After that, a first operation value may be calculated as '1' by performing a modulo operation having '4' as a divisor for the date value '20210901'.

,

,

'을 추출한 후, '3'개의 열벡터들에 할당된 고유 번호의 크기가 작은 순으로 '3'개의 열벡터들을 순차적으로 결합하여 '3 x 4' 크기를 갖는 결합 행렬을 '

'과 같이 생성할 수 있다.Then, the combination matrix generation unit 127 removes the column vector to which '1' is assigned as a unique number among the '4' column vectors stored in the column vector storage unit 124 as shown in Table 2 above. 'Three' column vectors '

,

,

After extracting ', '3' column vectors are sequentially combined in descending order of the unique numbers assigned to the '3' column vectors to form a combination matrix having a size of '3 x 4'.

' can be created.

Then, the random code generator 128 uses '3' authentication codes 'R1, R2, R3' and '9' dummy codes 'D1, D2, D3, D4, D5, D6, D7, D8, D9' can be randomly generated.

Then, the feedback requesting unit 129 sends '3' authentication codes 'R1, R2, R3' and '9' dummy codes 'D1, D2, D3, D4, D5, D6' to the electronic terminal 150. , D7, D8, D9', it is possible to request transmission of a feedback matrix based on '3' authentication codes and '9' dummy codes.

At this time, '4' column vectors as shown in Table 2 may be pre-stored in the electronic terminal 150, and in the electronic terminal 150, '3' authentication codes 'R1, When a request to transmit the feedback matrix is received while R2, R3' and '9' dummy codes 'D1, D2, D3, D4, D5, D6, D7, D8, D9' are received, the electronic terminal 150 After obtaining '20210901', which is a date value for the current point in time, '20210901' may be calculated with '1', which is the first operation value, by performing a modulo operation with '4' as a divisor.

'과 같이 생성할 수 있다.After that, the electronic terminal 150 displays '3' columns excluding the column vector to which '1' is assigned as a unique number among the '4' column vectors as shown in Table 2 previously stored in the electronic terminal 150. column vectors are extracted, and the '3' column vectors are sequentially combined in the descending order of the unique numbers assigned to the '3' column vectors to obtain the combining matrix having a size of '3 x 4'.

' can be created.

Thereafter, the electronic terminal 150 assigns each of the '3' components to which '1' is designated among the '12' components constituting the combining matrix are '3' authentication codes 'R1, R2, R3'. ', and each of the '9' components for which '0' is designated is replaced with '9' dummy codes 'D1, D2, D3, D4, D5, D6, D7, D8, D9' one by one. By permutation, a first feedback matrix having a size of '3 x 4' may be generated.

At this time, when the electronic terminal 150 replaces the '12' elements constituting the combination matrix with the authentication codes and dummy codes one by one, in the direction from the left column to the right column and from the top row to the bottom row. They can be replaced sequentially one by one. That is, in the combination matrix, the electronic terminal 150 selects '1 row, 1 column, 1 row, 2 columns, 1 row, 3 columns, 2 rows, 1 column, 2 rows, 2 columns, 2 rows, 3 columns, 3 rows, 1 column, 3 rows. 2nd column, 3rd row, 3rd column, 4th row, 1st column, 4th row, 2nd column, 4th row, 3rd column' may replace each component with the authentication codes and dummy codes one by one.

'에서, 상기 결합 행렬을 구성하는 '12'개의 성분들 중 '1'이 지정되어 있는 '3'개의 성분들을, '3'개의 인증 코드들인 'R1, R2, R3'로 하나씩 치환하고, '0'이 지정되어 있는 '9'개의 성분들을, '9'개의 더미 코드들인 'D1, D2, D3, D4, D5, D6, D7, D8, D9'로 하나씩 치환함으로써,' 3 x 4' 크기의 제1 피드백 행렬을 '

'과 같이 생성할 수 있다.In this way, the electronic terminal 150 is the coupling matrix '

In ', among the '12' components constituting the coupling matrix, '3' components designated with '1' are replaced one by one with '3' authentication codes 'R1, R2, R3', ' By replacing '9' components designated with 0' with '9' dummy codes 'D1, D2, D3, D4, D5, D6, D7, D8, D9' one by one, '3 x 4' size The first feedback matrix of '

' can be created.

'을 서비스 운영 서버(110)로 피드백할 수 있다.Then, the electronic terminal 150 is the first feedback matrix '

' may be fed back to the service operation server 110.

'과 상기 결합 행렬인 '

' 간의 아다마르 곱을 연산하여 '3 x 4' 크기의 연산 행렬을 '

'과 같이 생성할 수 있다.Accordingly, when the first feedback matrix is received by the service operation server 110 from the electronic terminal 150, the operation matrix generator 130 generates the first feedback matrix '

' and the combination matrix '

' Calculate the Hadamard product between the '3 x 4' size operation matrix '

' can be created.

Then, the authentication completion processing unit 131 converts 'R1, R2, R3', which are '3' elements other than '0', from among the '12' elements constituting the operation matrix to '3' elements for authentication. , and comparing '3' authentication components 'R1, R2, R3' with '3' authentication codes 'R1, R2, R3', '3' authentication components are '3' It can be confirmed that all of the authentication codes match.

At this time, the fact that all of the '3' authentication components match the '3' authentication codes means that '4' column vectors previously shared with the service operation server 110 are stored in the electronic terminal 150. Therefore, the authentication completion processing unit 131 may complete authentication for 'Member 1 (140)' when it is confirmed that all of the '3' authentication components match the '3' authentication codes.

Then, the payment method information requesting unit 122 may request the electronic terminal 150 to transmit payment method information for performing payment for the 'digital item 1'.

At this time, when the electronic terminal 150 receives a request for transmission of the payment method information, the electronic terminal 150 transmits information such as 'credit card information' to the service operation server 110 in response to the transmission request for the payment method information. Predetermined payment method information may be transmitted.

In this way, when 'credit card information' is received from the electronic terminal 150 to the service operation server 110 in response to a transmission request of the payment method information, the digital DNA insertion unit 123 transmits 'credit card information' Based on this, after processing the payment for 'Digital Item 1', digital DNA for 'Avatar 1' can be inserted into the data for 'Digital Item 1'.

Through this, the service operation server 110 determines that 'digital item 1' is 'avatar 1' based on the digital DNA of 'avatar 1' in which 'member 1 (140)' is inserted into the data for 'digital item 1'. 1'.

2 is a flowchart illustrating an operating method of a service operation server for operating a metaverse service that provides a metaverse environment using an avatar according to an embodiment of the present invention.

In step S210, a member information storage unit in which member information for each of a plurality of members subscribed to the metaverse service and member identifiers for identifying each of the plurality of members are stored in correspondence with each other is maintained.

In step S220, when an avatar creation command instructing to generate an avatar usable in the metaverse service is received from the electronic terminal of one of the plurality of members, the first member, after generating the first avatar, , Generates a digital DNA issuance event for issuing digital DNA for the first avatar.

In step S230, when the digital DNA issue event occurs, an electronic signature based on the data on the first avatar is requested while transmitting data on the first avatar to the electronic terminal.

In step S240, a first private key and a first public key for electronic signature (the first public key is a public key forming a key pair with the first private key) are generated in the electronic terminal, and the first avatar As data for is digitally signed with the first private key to generate a first electronic signature value, when the first electronic signature value and the first public key are received from the electronic terminal, the first avatar private key and the first electronic signature value are generated. 1 After generating an avatar public key (the first avatar public key is a public key forming a key pair with the first avatar private key), the first electronic signature value is additionally digitally signed with the first avatar private key, and the second electronic signature is obtained. A signature value is generated, and the second electronic signature value is designated as digital DNA for the first avatar.

In step S250, if the second electronic signature value is designated as the digital DNA for the first avatar, the first member identifier for the first member is extracted from the member information storage unit, and then stored in a pre-designated avatar storage server. By accessing, the first member identifier, the data for the first avatar, and the digital DNA for the first avatar are stored in the avatar storage server in correspondence with each other.

In step S260, first avatar identification information for identifying the first avatar is generated based on the data of the first avatar, and then a pre-specified key storage server is accessed, the first avatar identification information, The first public key and the first avatar public key are mapped to each other and stored in the key storage server.

In step S270, after the first avatar identification information, the first public key, and the first avatar public key are stored in the key storage server, when a request for access to the metaverse service is received from the electronic terminal, After extracting the first member identifier for the first member from the member information storage unit, the avatar storage server is accessed, and the first avatar stored in correspondence with the first member identifier is accessed from the avatar storage server. data and digital DNA for the first avatar are extracted.

In step S280, when data on the first avatar and digital DNA on the first avatar are extracted from the avatar storage server, the method for identifying the first avatar based on the data on the first avatar is performed. After generating the first avatar identification information, the key storage server is accessed, and the first public key and the first avatar public key stored in correspondence to the first avatar identification information are extracted from the key storage server. .

In step S290, when the first public key and the first avatar public key are extracted from the key storage server, the digital DNA for the first avatar is based on the first public key and the first avatar public key. When verification of the digital DNA for the first avatar is completed by performing verification of the first avatar, data for the first avatar is loaded onto the metaverse environment of the first member, so that for the first member, the first avatar 1 Provides a metaverse environment where avatars exist.

At this time, according to one embodiment of the present invention, in step S260, the data for the first avatar is applied as an input to a preset hash function for generating avatar identification information to generate the first avatar identification information. After accessing the key storage server, the first avatar identification information, the first public key, and the first avatar public key may be stored in the key storage server in correspondence with each other.

At this time, according to one embodiment of the present invention, in step S280, when the data on the first avatar and the digital DNA on the first avatar are extracted from the avatar storage server, the data on the first avatar is stored in the After generating the first avatar identification information by applying a hash function as an input, accessing the key storage server and storing the first public key corresponding to the first avatar identification information and the A first avatar public key can be extracted, and in step S290, when the first public key and the first avatar public key are extracted from the key storage server, digital DNA for the first avatar is converted to the first avatar. A first decryption value is generated by decryption with the public key, a second decryption value is generated by additional decryption of the first decryption value with the first public key, and the second decryption value is compared with data for the first avatar. So, if it is confirmed that the second decryption value matches the data for the first avatar, the step of completing verification of the digital DNA for the first avatar and the verification of the digital DNA for the first avatar Upon completion, it may include providing, for the first member, a metaverse environment in which the first avatar exists by loading data for the first avatar onto the metaverse environment of the first member. .

Further, according to one embodiment of the present invention, the operation method of the service operation server is provided to the first member from the electronic terminal to the first avatar after the metaverse environment in which the first avatar exists is provided. When a purchase request for a first digital item, which is any one of a plurality of applicable digital items, is received, user authentication is performed on the first member, and then payment for the first digital item is made through the electronic terminal. Requesting transmission of payment method information to perform and, when the first payment method information is received from the electronic terminal, after processing the payment for the first digital item based on the first payment method information , inserting digital DNA for the first avatar into the data for the first digital item.

At this time, according to an embodiment of the present invention, the step of requesting transmission of the payment method information includes n (n is a natural number equal to or greater than 2) column vectors (the n column vectors) previously shared with the electronic terminal. Each is a column vector having a size of 1 x n. Among the n components constituting each of the n column vectors, a component located in a predetermined column is designated as '1', and a component located in the other columns is designated as '1'. are designated as '0', and each of the n number of column vectors is pre-assigned with a unique number of different integers from 0 to n-1, respectively) maintaining a column vector storage unit storing a column vector; For a first member, after a metaverse environment in which the first avatar exists is provided, when a purchase request for the first digital item is received from the electronic terminal, a user for performing user authentication for the first member Generating an authentication event, when the user authentication event occurs, obtaining a date value at the current point in time at which the user authentication event occurred, and performing a modulo operation with n as a divisor on the date value, Calculating a first operation value; if the first operation value is calculated, the rest of the n column vectors stored in the column vector storage unit except for the column vector to which the first operation value is assigned as a unique number; After extracting n-1 column vectors, the n-1 column vectors are sequentially combined in descending order of the unique numbers assigned to the n-1 column vectors to obtain (n-1) xn size. Generating a combination matrix, randomly generating n-1 authentication codes and (n-1) ² dummy codes when the combination matrix is generated, the n-1 authentication codes and the (n -1) When ^two dummy codes are generated, while transmitting the n-1 authentication codes and the (n-1) ^two dummy codes to the electronic terminal, the n-1 authentication codes and the ( n-1) Feedback based on ² dummy codes Requesting transmission of a matrix, in response to the transmission request of the feedback matrix from the electronic terminal, a first feedback matrix (the first feedback matrix, the electronic terminal obtains a date value for the current time point, , After calculating the first calculation value by performing a modulo operation with n as a divisor for the date value, the first calculation value is unique among the n column vectors pre-stored in the electronic terminal. The remaining n-1 column vectors except for the column vectors assigned by number are extracted, and the n-1 column vectors are sequentially combined in the order of decreasing unique numbers assigned to the n-1 column vectors. After generating the coupling matrix having a size of (n-1) xn, each of the n-1 components to which '1' is designated among the [(n-1) xn] components constituting the coupling matrix generated by substituting one by one with the n-1 authentication codes, and substituting each of the (n-1) ^two components designated with '0' one by one with the (n-1) ^two dummy codes, (n-1) is a matrix having a size of xn) is received, calculating a Hadamard product between the first feedback matrix and the coupling matrix to generate an operation matrix having a size of (n-1) xn, and the operation matrix is When generated, n-1 elements other than '0' among the [(n-1) xn] elements constituting the operation matrix are extracted as n-1 components for authentication, and the n-1 elements Authentication components are compared with the n-1 authentication codes, and if it is confirmed that all of the n-1 authentication components match the n-1 authentication codes, user authentication for the first member is performed. It may include the step of completing processing.

In the above, the operating method of the service operation server for operating a metaverse service providing a metaverse environment using an avatar according to an embodiment of the present invention has been described with reference to FIG. 2 . Here, the operating method of the service operating server for operating a metaverse service that provides a metaverse environment using an avatar according to an embodiment of the present invention is a configuration for the operation of the service operating server 110 described with reference to FIG. Since it may correspond to , a more detailed description thereof will be omitted.

A method of operating a service operating server for operating a metaverse service that provides a metaverse environment using an avatar 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. there is.

In addition, the operating method of the service operation server for operating a metaverse service that provides a metaverse environment using an avatar according to an embodiment of the present invention is implemented in the form of program commands that can be executed through various computer means and is computer readable. It can be recorded on any available medium. The computer readable medium may include program instructions, data files, data structures, etc. alone or in combination. Program instructions recorded on the medium may be those specially designed and configured for the present invention or those known and usable to those skilled in computer software. Examples of computer-readable recording media include magnetic media such as hard disks, floppy disks and magnetic tapes, optical media such as CD-ROMs and DVDs, and magnetic media such as floptical disks. - includes hardware devices specially configured to store and execute program instructions, such as magneto-optical media, and ROM, RAM, flash memory, and the like. Examples of program instructions include high-level language codes that can be executed by a computer using an interpreter, as well as machine language codes such as those produced by a compiler.

As described above, the present invention has been described by specific details such as specific components and limited embodiments and drawings, but these are provided to help a more general understanding of the present invention, and the present invention is not limited to the above embodiments. , Those skilled in the art in the field to which the present invention belongs can make various modifications and variations from these descriptions.

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

110: Service operation server for operating a metaverse service that provides a metaverse environment using an avatar
111: Member information storage unit 112: Issuance event generating unit
113: electronic signature request unit 114: digital DNA designation unit
115: avatar storage processing unit 116: key storage processing unit
117: information extraction unit 118: key extraction unit
119: metaverse environment provision unit 120: verification execution unit
121: data load unit 122: payment method information request unit
123: digital DNA insertion unit 124: thermal vector storage unit
125: authentication event generation unit 126: calculation unit
127: combination matrix generator 128: random code generator
129: feedback request unit 130: calculation matrix generator
131: authentication completion processing unit
140: first member
150: first member's electronic terminal
160: avatar storage server
170: key storage server

Claims (12)

In a service operation server for operating a metaverse service that provides a metaverse environment using an avatar,
a member information storage unit storing member information for each of a plurality of members subscribed to the metaverse service and member identifiers for identifying each of the plurality of members in correspondence with each other;
When an avatar creation command instructing to generate an avatar usable in the metaverse service is received from an electronic terminal of a first member who is one of the plurality of members, after generating the first avatar, the first avatar Issuance event generation unit for generating a digital DNA issuance event for issuing digital DNA for the;
an electronic signature requesting unit requesting an electronic signature based on data on the first avatar while transmitting data on the first avatar to the electronic terminal when the digital DNA issuance event occurs;
In the electronic terminal, a first private key and a first public key for electronic signature, wherein the first public key is a public key forming a key pair with the first private key, are generated, and data for the first avatar is generated. When the first electronic signature value and the first public key are received from the electronic terminal as the first electronic signature value is generated by digital signature with the first private key, the first avatar private key and the first avatar public key - The first avatar public key is a public key forming a key pair with the first avatar private key, and then additionally electronically signs the first electronic signature value with the first avatar private key to generate a second electronic signature value; , a digital DNA designation unit designating the second electronic signature value as digital DNA for the first avatar;
When the second electronic signature value is designated as the digital DNA for the first avatar, the first member identifier for the first member is extracted from the member information storage unit, and then a pre-designated avatar storage server is accessed, and the first member identifier is accessed. an avatar storage processor configured to store 1 member identifier, data of the first avatar, and digital DNA of the first avatar in the avatar storage server;
After generating first avatar identification information for identifying the first avatar based on the data on the first avatar, accessing a pre-designated key storage server, the first avatar identification information, the first public key and a key storage processor configured to store the first avatar public keys in the key storage server by matching the first avatar public keys with each other.
After the first avatar identification information, the first public key, and the first avatar public key are stored in the key storage server, when a request for access to the metaverse service is received from the electronic terminal, the member information storage unit After extracting the first member identifier for the first member from, accessing the avatar storage server, data for the first avatar stored in correspondence to the first member identifier from the avatar storage server and the first member identifier 1 an information extraction unit for extracting digital DNA for an avatar;
When data on the first avatar and digital DNA on the first avatar are extracted from the avatar storage server, the first avatar identification information for identifying the first avatar based on the data on the first avatar After generating, a key extraction unit accessing the key storage server and extracting the first public key and the first avatar public key stored in correspondence with the first avatar identification information from the key storage server; and
When the first public key and the first avatar public key are extracted from the key storage server, the digital DNA of the first avatar is verified based on the first public key and the first avatar public key. , When the verification of the digital DNA for the first avatar is completed, by loading the data for the first avatar on the metaverse environment of the first member, for the first member, the first avatar exists A metaverse environment providing unit that provides a metaverse environment
A service operation server that includes a. According to claim 1,
The key storage processing unit
After generating the first avatar identification information by applying the data for the first avatar as an input to a preset hash function for generating avatar identification information, connecting to the key storage server, the first avatar identification information , The service operation server characterized in that the first public key and the first avatar public key are stored in the key storage server in correspondence with each other. According to claim 2,
The key extractor
When data on the first avatar and digital DNA on the first avatar are extracted from the avatar storage server, the first avatar identification information is generated by applying the data on the first avatar to the hash function as an input. Then, accessing the key storage server, extracting the first public key and the first avatar public key stored in correspondence with the first avatar identification information from the key storage server;
The meta bus environment providing unit
When the first public key and the first avatar public key are extracted from the key storage server, digital DNA for the first avatar is decrypted with the first avatar public key to generate a first decryption value, and the first decryption value is generated. After generating a second decryption value by additionally decrypting a value with the first public key, the second decryption value is compared with the data of the first avatar, and the second decryption value is the data of the first avatar. a verification performing unit that completes verification of the digital DNA of the first avatar when it is determined that they match; and
When verification of the digital DNA for the first avatar is completed, data for the first avatar is loaded onto the metaverse environment of the first member, so that for the first member, the meta in which the first avatar exists Data loading unit providing bus environment
A service operation server that includes a. According to claim 1,
For the first member, after a metaverse environment in which the first avatar exists is provided, a purchase request for a first digital item, which is any one of a plurality of digital items applicable to the first avatar, is requested from the electronic terminal. a payment method information requesting unit requesting transmission of payment method information for performing payment for the first digital item to the electronic terminal after performing user authentication on the first member; and
When first payment method information is received from the electronic terminal, after processing the payment for the first digital item based on the first payment method information, the first digital item is stored in the data. Digital DNA insertion unit that inserts digital DNA for the avatar
A service operation server further comprising a. According to claim 4,
The payment method information request unit
n (n is a natural number equal to or greater than 2) column vectors previously shared with the electronic terminal - each of the n column vectors is a column vector having a size of 1 x n, and each of the n column vectors constitutes Among the n components, a component located in one of the pre-designated columns is designated as '1', and components located in the remaining columns are designated as '0'. In each of the n column vectors, 0 or more n-1 a column vector storage unit in which the following different integers are pre-assigned one by one as unique numbers;
For the first member, after the metaverse environment in which the first avatar exists is provided, when a purchase request for the first digital item is received from the electronic terminal, performing user authentication for the first member an authentication event generation unit generating a user authentication event;
When the user authentication event occurs, a date value for the current time point at which the user authentication event occurs is obtained, and a modulo operation with n as a divisor is performed on the date value, thereby obtaining a first operation value. a calculation unit that calculates;
When the first operation value is calculated, the remaining n-1 column vectors excluding the column vector to which the first operation value is assigned as a unique number among the n column vectors stored in the column vector storage unit are extracted. Then, the n-1 column vectors are sequentially combined in descending order of the unique numbers assigned to the n-1 column vectors to generate a coupling matrix having a size of (n-1) xn. wealth;
When the combination matrix is generated, a random code generator for randomly generating n-1 authentication codes and (n-1) ^two dummy codes;
When the n-1 authentication codes and the (n-1) ² dummy codes are generated, the electronic terminal transmits the n-1 authentication codes and the (n-1) ² dummy codes. a feedback requesting unit requesting transmission of a feedback matrix based on the n-1 authentication codes and the (n-1) ^two dummy codes;
In response to a request for transmission of the feedback matrix from the electronic terminal, a first feedback matrix—the first feedback matrix, the electronic terminal obtains a date value for the current time point, and n for the date value After calculating the first operation value by performing a modulo operation as a divisor, a column vector to which the first operation value is assigned as a unique number among the n column vectors pre-stored in the electronic terminal is selected. The remaining n-1 column vectors are extracted, and the n-1 column vectors are sequentially combined in descending order of the unique numbers assigned to the n-1 column vectors to (n-1) xn size. After generating the combining matrix having , each of the n-1 elements designated with '1' among the [(n-1) xn] elements constituting the combining matrix is assigned to the n-1 authentication codes. , and replacing each of the (n-1) ^two components designated by '0' with the (n-1) ^two dummy codes one by one, the size of (n-1) xn a matrix having - is received, an operation matrix generator for generating an operation matrix having a size of (n-1)xn by calculating a Hadamard product between the first feedback matrix and the coupling matrix; and
When the calculation matrix is generated, n-1 components other than '0' among the [(n-1) xn] components constituting the calculation matrix are extracted as n-1 authentication components, and the The n-1 authentication components are compared with the n-1 authentication codes, and when it is confirmed that the n-1 authentication components match all of the n-1 authentication codes, the first member Authentication completion processing unit that completes and processes user authentication for
A service operation server that includes a. In the operation method of a service operation server for operating a metaverse service that provides a metaverse environment using an avatar,
Maintaining a member information storage unit in which member information for each of a plurality of members subscribed to the metaverse service and member identifiers for identifying each of the plurality of members are stored in correspondence with each other;
When an avatar creation command instructing to generate an avatar usable in the metaverse service is received from an electronic terminal of a first member who is one of the plurality of members, after generating the first avatar, the first avatar Generating a digital DNA issuance event for issuing digital DNA for;
requesting an electronic signature based on data on the first avatar while transmitting data on the first avatar to the electronic terminal when the digital DNA issuance event occurs;
In the electronic terminal, a first private key and a first public key for electronic signature, wherein the first public key is a public key forming a key pair with the first private key, are generated, and data for the first avatar is generated. When the first electronic signature value and the first public key are received from the electronic terminal as the first electronic signature value is generated by digital signature with the first private key, the first avatar private key and the first avatar public key - The first avatar public key is a public key forming a key pair with the first avatar private key, and then additionally electronically signs the first electronic signature value with the first avatar private key to generate a second electronic signature value; , designating the second electronic signature value as digital DNA for the first avatar;
When the second electronic signature value is designated as the digital DNA for the first avatar, the first member identifier for the first member is extracted from the member information storage unit, and then a pre-designated avatar storage server is accessed, and the first member identifier is accessed. 1 storing the member identifier, the data for the first avatar, and the digital DNA for the first avatar in the avatar storage server;
After generating first avatar identification information for identifying the first avatar based on the data on the first avatar, accessing a pre-designated key storage server, the first avatar identification information, the first public key and storing the first avatar public keys in the key storage server in correspondence with each other;
After the first avatar identification information, the first public key, and the first avatar public key are stored in the key storage server, when a request for access to the metaverse service is received from the electronic terminal, the member information storage unit After extracting the first member identifier for the first member from, accessing the avatar storage server, data for the first avatar stored in correspondence to the first member identifier from the avatar storage server and the first member identifier 1 extracting digital DNA for the avatar;
When data on the first avatar and digital DNA on the first avatar are extracted from the avatar storage server, the first avatar identification information for identifying the first avatar based on the data on the first avatar After generating, accessing the key storage server and extracting the first public key and the first avatar public key stored in correspondence with the first avatar identification information from the key storage server; and
When the first public key and the first avatar public key are extracted from the key storage server, the digital DNA of the first avatar is verified based on the first public key and the first avatar public key. , When the verification of the digital DNA for the first avatar is completed, by loading the data for the first avatar on the metaverse environment of the first member, for the first member, the first avatar exists Steps to provide a metaverse environment
A method of operating a service operation server including a. According to claim 6,
Storing in the key storage server
After generating the first avatar identification information by applying the data for the first avatar as an input to a preset hash function for generating avatar identification information, connecting to the key storage server, the first avatar identification information , The first public key and the first avatar public key are corresponding to each other and stored in the key storage server. According to claim 7,
Extracting the first public key and the first avatar public key
When data on the first avatar and digital DNA on the first avatar are extracted from the avatar storage server, the first avatar identification information is generated by applying the data on the first avatar to the hash function as an input. Then, accessing the key storage server, extracting the first public key and the first avatar public key stored in correspondence with the first avatar identification information from the key storage server;
Providing a metaverse environment in which the first avatar exists
When the first public key and the first avatar public key are extracted from the key storage server, digital DNA for the first avatar is decrypted with the first avatar public key to generate a first decryption value, and the first decryption value is generated. After generating a second decryption value by additionally decrypting a value with the first public key, the second decryption value is compared with the data of the first avatar, and the second decryption value is the data of the first avatar. If it is confirmed that they match, completing verification of the digital DNA for the first avatar; and
When verification of the digital DNA for the first avatar is completed, data for the first avatar is loaded onto the metaverse environment of the first member, so that for the first member, the meta in which the first avatar exists Steps to provide a bus environment
A method of operating a service operation server including a. According to claim 6,
For the first member, after a metaverse environment in which the first avatar exists is provided, a purchase request for a first digital item, which is any one of a plurality of digital items applicable to the first avatar, is requested from the electronic terminal. requesting transmission of payment method information for performing payment for the first digital item to the electronic terminal, after performing user authentication for the first member, if the information is received; and
When first payment method information is received from the electronic terminal, after processing the payment for the first digital item based on the first payment method information, the first digital item is stored in the data. Steps to insert digital DNA for your avatar
Method of operating a service operation server further comprising a. According to claim 9,
The step of requesting transmission of the payment method information
n (n is a natural number equal to or greater than 2) column vectors previously shared with the electronic terminal - each of the n column vectors is a column vector having a size of 1 x n, and each of the n column vectors constitutes Among the n components, a component located in one of the pre-designated columns is designated as '1', and components located in the remaining columns are designated as '0'. In each of the n column vectors, 0 or more n-1 maintaining a column vector storage unit in which the following different integers are pre-assigned one by one as unique numbers;
For the first member, after the metaverse environment in which the first avatar exists is provided, when a purchase request for the first digital item is received from the electronic terminal, performing user authentication for the first member Generating a user authentication event;
When the user authentication event occurs, a date value for the current time point at which the user authentication event occurs is obtained, and a modulo operation with n as a divisor is performed on the date value, thereby obtaining a first operation value. calculating;
When the first operation value is calculated, the remaining n-1 column vectors excluding the column vector to which the first operation value is assigned as a unique number among the n column vectors stored in the column vector storage unit are extracted. and then sequentially combining the n-1 column vectors in descending order of unique numbers assigned to the n-1 column vectors to generate a combination matrix having a size of (n-1)xn;
If the combination matrix is generated, randomly generating n-1 authentication codes and (n-1) ² dummy codes;
When the n-1 authentication codes and the (n-1) ² dummy codes are generated, the electronic terminal transmits the n-1 authentication codes and the (n-1) ² dummy codes. , requesting transmission of a feedback matrix based on the n-1 authentication codes and the (n-1) ^two dummy codes;
In response to a request for transmission of the feedback matrix from the electronic terminal, a first feedback matrix—the first feedback matrix, the electronic terminal obtains a date value for the current time point, and n for the date value After calculating the first operation value by performing a modulo operation as a divisor, a column vector to which the first operation value is assigned as a unique number among the n column vectors pre-stored in the electronic terminal is selected. The remaining n-1 column vectors are extracted, and the n-1 column vectors are sequentially combined in descending order of the unique numbers assigned to the n-1 column vectors to (n-1) xn size. After generating the combining matrix having , each of the n-1 elements designated with '1' among the [(n-1) xn] elements constituting the combining matrix is assigned to the n-1 authentication codes. , and replacing each of the (n-1) ^two components designated by '0' with the (n-1) ^two dummy codes one by one, the size of (n-1) xn generating a matrix having a size of (n-1) xn by calculating a Hadamard product between the first feedback matrix and the coupling matrix, when is received; and
When the calculation matrix is generated, n-1 components other than '0' among the [(n-1) xn] components constituting the calculation matrix are extracted as n-1 authentication components, and the The n-1 authentication components are compared with the n-1 authentication codes, and when it is confirmed that the n-1 authentication components match all of the n-1 authentication codes, the first member Steps to complete user authentication for
A method of operating a service operation server including a. A computer-readable recording medium recording a computer program for executing the method of any one of claims 6 to 10 through a combination with a computer. A computer program stored in a storage medium for executing the method of any one of claims 6 to 10 through a combination with a computer.

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