US20100273552A1 - Method for Authentication of Game Executing Authority Recording Medium for Storing Authentication Program of Game Executing Authority, and Server for Storing Authentication Program of Game Executing Authority - Google Patents

Method for Authentication of Game Executing Authority Recording Medium for Storing Authentication Program of Game Executing Authority, and Server for Storing Authentication Program of Game Executing Authority Download PDF

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Publication number
US20100273552A1
US20100273552A1 US12/569,761 US56976109A US2010273552A1 US 20100273552 A1 US20100273552 A1 US 20100273552A1 US 56976109 A US56976109 A US 56976109A US 2010273552 A1 US2010273552 A1 US 2010273552A1
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game
game executing
authentication
data
coded
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US12/569,761
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Han Kang
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Mwstory Co Ltd
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Mwstory Co Ltd
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Assigned to MWSTORY CO., LTD. reassignment MWSTORY CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: KANG, HAN
Publication of US20100273552A1 publication Critical patent/US20100273552A1/en
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    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
    • A63F13/00—Video games, i.e. games using an electronically generated display having two or more dimensions
    • A63F13/70—Game security or game management aspects
    • A63F13/71—Game security or game management aspects using secure communication between game devices and game servers, e.g. by encrypting game data or authenticating players
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
    • G06Q50/10—Services
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
    • A63F13/00—Video games, i.e. games using an electronically generated display having two or more dimensions
    • A63F13/70—Game security or game management aspects
    • A63F13/77—Game security or game management aspects involving data related to game devices or game servers, e.g. configuration data, software version or amount of memory
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
    • H04L63/083—Network architectures or network communication protocols for network security for authentication of entities using passwords
    • H04L63/0838—Network architectures or network communication protocols for network security for authentication of entities using passwords using one-time-passwords
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/3236—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using cryptographic hash functions
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
    • A63F2300/00—Features of games using an electronically generated display having two or more dimensions, e.g. on a television screen, showing representations related to the game
    • A63F2300/50—Features of games using an electronically generated display having two or more dimensions, e.g. on a television screen, showing representations related to the game characterized by details of game servers
    • A63F2300/53—Features of games using an electronically generated display having two or more dimensions, e.g. on a television screen, showing representations related to the game characterized by details of game servers details of basic data processing
    • A63F2300/532—Features of games using an electronically generated display having two or more dimensions, e.g. on a television screen, showing representations related to the game characterized by details of game servers details of basic data processing using secure communication, e.g. by encryption, authentication
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
    • A63F2300/00—Features of games using an electronically generated display having two or more dimensions, e.g. on a television screen, showing representations related to the game
    • A63F2300/50—Features of games using an electronically generated display having two or more dimensions, e.g. on a television screen, showing representations related to the game characterized by details of game servers
    • A63F2300/55—Details of game data or player data management
    • A63F2300/5586—Details of game data or player data management for enforcing rights or rules, e.g. to prevent foul play

Definitions

  • the present invention relates to a method for authentication of a game executing authority, a recording medium for storing an authentication program of a game executing authority, and a server for storing an authentication program of a game executing authority. More specifically, the present invention relates to a method for authentication of a game executing authority that fundamentally interrupts the execution of a game by a user other than an authorized user, a recording medium for storing an authentication program of game executing authority, and a server for storing an authentication program of a game executing authority.
  • the user authentication of the known Internet online game has been made by an input of a user ID and a password.
  • this method has a problem in that the user ID and the password can be easily stolen on the network. Further, this method has a problem in that the user ID and the password can be illegally used by observing an input process of other people.
  • a method of receiving a separate execution file for executing a game from an authentication server by performing a separate use authentication process also has a problem in that the corresponding file may be illegally duplicated such that other users can execute the game using it.
  • a method for authentication of a game executing authority comprising: (a) requesting a transmission of a decoding key for decoding a coded execution file for executing a game to an authentication server; (b) decoding the coded execution file by the decoding key received from the authentication server to generate the execution file; (c) hashing an obtained present time and a random data together to generate hashed data; (d) encrypting the present time, the random data, and the hashed data by any fixing key to generate the coded data; (e) transmitting the generated coded data as a parameter to the execution file; and (f) confirming whether a hashed value obtained by hashing the present time and the random data, which are obtained by decoding the coded data by the fixing key, matches the hashed data.
  • the method for authentication of a game executing authority further comprises cancelling the execution of the game when the hashed value does not match the hashed data.
  • the method for authentication of a game executing authority may further comprise calculating a time difference between the obtained present time and the present time obtained again when the hashed value matches the hashed data.
  • the method for authentication of a game executing authority may further comprise executing the game by the execution file when the calculated time difference is below 1 second.
  • the method for authentication of a game executing authority may further comprise cancelling the execution of the game when the calculated time difference is 1 second or more.
  • the method for authentication of a game executing authority may further comprise deleting the execution file when the game is executed by the execution file.
  • a recording medium according to the present invention may be stored with a game executing authority authorization program that executes the respective steps.
  • a server according to the present invention may be stored with the authentication program of game executing authority that executes the respective steps.
  • FIG. 1 is a diagram showing a configuration of a system for authentication of a game executing authority according to the present invention.
  • FIG. 2 is a process flowchart for describing a method for authentication of a game executing authority according to the present invention.
  • FIG. 1 is a diagram showing a configuration of a system for authentication of a game executing authority according to the present invention.
  • the system for authentication of a game executing authority according to the present invention includes a game executing apparatus 100 and an authentication server 200 .
  • the game executing apparatus 100 is an apparatus for executing the user desired game and is generally a personal PC including a network communication function.
  • the game executing apparatus 100 performs a function of authenticating the executing authority through communication with the authentication server 200 .
  • the game executing apparatus 100 is installed with an authentication program of a game executing authority that executes a method for authentication of a game executing authority according to the present invention.
  • the corresponding program may be installed using a separate CD or may be installed by being transmitted from the authentication server 200 .
  • the authentication server 200 transmits a decoding key for a coded execution file necessary for executing a game to the game executing apparatus 100 by a request from the game executing apparatus 100 .
  • the authentication server 200 stores the authentication program of a game executing authority according to the present invention and may transmit the corresponding program to the game executing apparatus 100 according to the transmission request of the game executing apparatus 100 .
  • FIG. 2 is a process flowchart for describing the method for authentication of a game executing authority according to the present invention.
  • the method for authentication of a game executing authority according to the present invention will be described with reference to FIGS. 1 and 2 .
  • the game executing apparatus 100 is connected to the authentication server 200 and requests the transmission of the decoding key necessary for executing a game (S 300 ).
  • the decoding key is a key necessary for decoding the coded execution file stored in the game executing apparatus 100 and the coded execution file is an execution file necessary for executing the user desired game that is installed in the game executing apparatus 100 and means the coded execution file by the corresponding decoding key.
  • the coded execution file may be installed in the game execution apparatus 100 when the corresponding game is installed in the game execution apparatus 100 . Further, the coded execution file is transmitted from the authentication server 200 separately from the installation of the corresponding game and may be installed in the game executing apparatus 100 .
  • the authentication server 200 when the authentication server 200 receives the transmission request of the decoding key from the game executing apparatus 100 , it performs the authentication process of the corresponding user through the user ID connected to the authentication server 200 and then transmits the decoding key to the game executing apparatus 100 .
  • the game executing apparatus 100 receives the decoding key from the authentication server 200 (S 305 ) and decodes the foregoing coded execution file by using the corresponding received decoding key to generate the execution file (S 310 ).
  • the game executing apparatus 100 obtains a present time (PT) measured in the game execution apparatus 100 and generates random data (RT) through a random number generating module (S 315 ) and hashes the obtained present time and the generated random data by using a one-way hashed function to generate predetermined hashed data (S 320 ).
  • PT present time
  • RT random data
  • S 315 random number generating module
  • the game executing apparatus 100 encrypts the current time and the random data at the foregoing step S 315 and the hashed data generated at the foregoing step S 320 by any fixing key to generate the coded data (S 325 ).
  • the generated coded data is transmitted as a parameter to the execution file generated at the foregoing step S 310 (S 330 ).
  • the game executing apparatus 100 performs the authentication processes of two steps as follows, prior to executing the game by using the execution file.
  • the game executing apparatus 100 decodes the coded data, which is coded and generated by any fixing key at the foregoing step S 325 , by using the corresponding fixing key and obtains the present time and the random data at the foregoing step S 315 and the hashed data generated at the foregoing step S 320 (S 335 ).
  • the game executing apparatus 100 hashes the present time and the random data obtained at the foregoing step 5335 again by using the one-way hashed function to generate a hashed value (HV) (S 340 ) and confirms whether the generated hashed value matches the hashed data obtained at the foregoing step S 335 (S 345 ).
  • HV hashed value
  • the authentication program of a game executing authority according to the present invention when the authentication program of a game executing authority according to the present invention is transmitted from the authentication server 200 to the game executing apparatus 100 , it is preferable that the foregoing fixing key and one-way hashed function are transmitted together and it is preferable that the authentication server 200 transmits different fixing keys for each user and the one-way hashed function to the game executing apparatus 100 .
  • the game executing apparatuses 100 of other users When the execution file generated at the foregoing step S 310 and the coded data generated at the foregoing step S 325 are illegally duplicated by the game executing apparatuses 100 of other users, the game executing apparatuses 100 of other users in which the illegally duplicated execution file and the coded data are stored does not include the foregoing fixing key and the one-way hashed function, such that it is determined that the confirmation result of matching or not at the foregoing step S 345 is not matched. In this case, the execution of the corresponding game is cancelled (S 350 ).
  • the game executing apparatus 100 calculates a time difference between the present time obtained at the foregoing step S 335 and the present time obtained again and determines whether the calculated time difference is below 1 second (S 355 ).
  • the corresponding game is executed by the execution file at the foregoing step S 330 (S 360 ) and after the game is executed, it is preferable that the execution file at the foregoing step S 330 is deleted (S 365 ).
  • the execution of the game by a user other than an authorized user can be fundamentally interrupted.

Abstract

Disclosed is a method for authentication of a game executing authority. The invention is implemented by steps of requesting a transmission of a decoding key for decoding a coded execution file for executing a game to an authentication server; decoding the coded execution file by the decoding key received from the authentication server to generate the execution file; hashing an obtained present time and a random data together to generate hashed data; encrypting the present time, the random data, and the hashed data by any fixing key to generate the coded data; transmitting the generated coded data as a parameter to the execution file; and confirming whether a hashed value obtained by hashing the present time and the random data, which are obtained by decoding the coded data by the fixing key, matches the hashed data.

Description

    BACKGROUND OF THE INVENTION
  • This application claims priority to Korean Patent Application No. 10-2009-0036185, filed on Apr. 24, 2009, in the Korean Intellectual Property Office, the entire contents of which are hereby incorporated by reference.
  • 1. Field of the Invention
  • The present invention relates to a method for authentication of a game executing authority, a recording medium for storing an authentication program of a game executing authority, and a server for storing an authentication program of a game executing authority. More specifically, the present invention relates to a method for authentication of a game executing authority that fundamentally interrupts the execution of a game by a user other than an authorized user, a recording medium for storing an authentication program of game executing authority, and a server for storing an authentication program of a game executing authority.
  • 2. Description of the Related Art
  • As the use of online games using Internet increases, problems of an illegal use of others' IDs for an online game, a theft of cyber property on the game due to the illegal use, and the like are being raised.
  • The user authentication of the known Internet online game has been made by an input of a user ID and a password. However, this method has a problem in that the user ID and the password can be easily stolen on the network. Further, this method has a problem in that the user ID and the password can be illegally used by observing an input process of other people.
  • Moreover, in order to improve these problems, a method of receiving a separate execution file for executing a game from an authentication server by performing a separate use authentication process also has a problem in that the corresponding file may be illegally duplicated such that other users can execute the game using it.
    • SUMMARY OF THE INVENTION
  • Therefore, it is an object of the present invention to provide a method for authentication of a game executing authority that fundamentally interrupts the execution of a game by a user other than an authorized user, a recording medium for storing an authentication program of a game executing authority, and a server for storing an authentication program of a game executing authority.
  • In order to achieve the object, there is provided a method for authentication of a game executing authority according to the present invention comprising: (a) requesting a transmission of a decoding key for decoding a coded execution file for executing a game to an authentication server; (b) decoding the coded execution file by the decoding key received from the authentication server to generate the execution file; (c) hashing an obtained present time and a random data together to generate hashed data; (d) encrypting the present time, the random data, and the hashed data by any fixing key to generate the coded data; (e) transmitting the generated coded data as a parameter to the execution file; and (f) confirming whether a hashed value obtained by hashing the present time and the random data, which are obtained by decoding the coded data by the fixing key, matches the hashed data.
  • Preferably, the method for authentication of a game executing authority further comprises cancelling the execution of the game when the hashed value does not match the hashed data.
  • In addition, the method for authentication of a game executing authority may further comprise calculating a time difference between the obtained present time and the present time obtained again when the hashed value matches the hashed data.
  • Moreover, the method for authentication of a game executing authority may further comprise executing the game by the execution file when the calculated time difference is below 1 second.
  • In addition, the method for authentication of a game executing authority may further comprise cancelling the execution of the game when the calculated time difference is 1 second or more.
  • Also, the method for authentication of a game executing authority may further comprise deleting the execution file when the game is executed by the execution file.
  • Meanwhile, a recording medium according to the present invention may be stored with a game executing authority authorization program that executes the respective steps.
  • Also, a server according to the present invention may be stored with the authentication program of game executing authority that executes the respective steps.
    • BRIEF DESCRIPTION OF THE DRAWINGS
  • These and other objects, features, aspects, and advantages of the present invention will be more fully described in the following detailed description of preferred embodiments and examples, taken in conjunction with the accompanying drawings. In the drawings:
  • FIG. 1 is a diagram showing a configuration of a system for authentication of a game executing authority according to the present invention; and
  • FIG. 2 is a process flowchart for describing a method for authentication of a game executing authority according to the present invention.
    •  DETAILED DESCRIPTION OF THE INVENTION
  • Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be noted that like reference numerals refer to like components throughout the drawings. In addition, the detailed description of a related known function or configuration that may make the purpose of the present invention unnecessarily ambiguous in describing the present invention will be omitted.
  • FIG. 1 is a diagram showing a configuration of a system for authentication of a game executing authority according to the present invention. Referring to FIG. 1, the system for authentication of a game executing authority according to the present invention includes a game executing apparatus 100 and an authentication server 200.
  • The game executing apparatus 100 is an apparatus for executing the user desired game and is generally a personal PC including a network communication function. The game executing apparatus 100 performs a function of authenticating the executing authority through communication with the authentication server 200.
  • In detail, the game executing apparatus 100 is installed with an authentication program of a game executing authority that executes a method for authentication of a game executing authority according to the present invention. In performing the present invention, the corresponding program may be installed using a separate CD or may be installed by being transmitted from the authentication server 200.
  • The authentication server 200 transmits a decoding key for a coded execution file necessary for executing a game to the game executing apparatus 100 by a request from the game executing apparatus 100. In performing the present invention, the authentication server 200 stores the authentication program of a game executing authority according to the present invention and may transmit the corresponding program to the game executing apparatus 100 according to the transmission request of the game executing apparatus 100.
  • FIG. 2 is a process flowchart for describing the method for authentication of a game executing authority according to the present invention. The method for authentication of a game executing authority according to the present invention will be described with reference to FIGS. 1 and 2. The game executing apparatus 100 is connected to the authentication server 200 and requests the transmission of the decoding key necessary for executing a game (S300).
  • Herein, the decoding key is a key necessary for decoding the coded execution file stored in the game executing apparatus 100 and the coded execution file is an execution file necessary for executing the user desired game that is installed in the game executing apparatus 100 and means the coded execution file by the corresponding decoding key.
  • The coded execution file may be installed in the game execution apparatus 100 when the corresponding game is installed in the game execution apparatus 100. Further, the coded execution file is transmitted from the authentication server 200 separately from the installation of the corresponding game and may be installed in the game executing apparatus 100.
  • Meanwhile, when the authentication server 200 receives the transmission request of the decoding key from the game executing apparatus 100, it performs the authentication process of the corresponding user through the user ID connected to the authentication server 200 and then transmits the decoding key to the game executing apparatus 100.
  • Thereby, the game executing apparatus 100 receives the decoding key from the authentication server 200 (S305) and decodes the foregoing coded execution file by using the corresponding received decoding key to generate the execution file (S310).
  • Then, the game executing apparatus 100 obtains a present time (PT) measured in the game execution apparatus 100 and generates random data (RT) through a random number generating module (S315) and hashes the obtained present time and the generated random data by using a one-way hashed function to generate predetermined hashed data (S320).
  • Thereafter, the game executing apparatus 100 encrypts the current time and the random data at the foregoing step S315 and the hashed data generated at the foregoing step S320 by any fixing key to generate the coded data (S325).
  • As such, the generated coded data is transmitted as a parameter to the execution file generated at the foregoing step S310 (S330).
  • The game executing apparatus 100 according to the present invention performs the authentication processes of two steps as follows, prior to executing the game by using the execution file.
  • First Authentication Process
  • First, the game executing apparatus 100 decodes the coded data, which is coded and generated by any fixing key at the foregoing step S325, by using the corresponding fixing key and obtains the present time and the random data at the foregoing step S315 and the hashed data generated at the foregoing step S320 (S335).
  • Next, the game executing apparatus 100 hashes the present time and the random data obtained at the foregoing step 5335 again by using the one-way hashed function to generate a hashed value (HV) (S340) and confirms whether the generated hashed value matches the hashed data obtained at the foregoing step S335 (S345).
  • Meanwhile, in performing the present invention, when the authentication program of a game executing authority according to the present invention is transmitted from the authentication server 200 to the game executing apparatus 100, it is preferable that the foregoing fixing key and one-way hashed function are transmitted together and it is preferable that the authentication server 200 transmits different fixing keys for each user and the one-way hashed function to the game executing apparatus 100.
  • When the execution file generated at the foregoing step S310 and the coded data generated at the foregoing step S325 are illegally duplicated by the game executing apparatuses 100 of other users, the game executing apparatuses 100 of other users in which the illegally duplicated execution file and the coded data are stored does not include the foregoing fixing key and the one-way hashed function, such that it is determined that the confirmation result of matching or not at the foregoing step S345 is not matched. In this case, the execution of the corresponding game is cancelled (S350).
  • However, when the foregoing steps S300 to S345 are performed in one game executing apparatus 100, it will be confirmed that the corresponding hashed value and the hashed data are matched to each other at the foregoing step S345. In this case, a second authentication process will be performed below.
  • Second Authentication Process
  • When it is confirmed that the corresponding hashed value and the hashed data are matched to each other at the foregoing step S345, the game executing apparatus 100 calculates a time difference between the present time obtained at the foregoing step S335 and the present time obtained again and determines whether the calculated time difference is below 1 second (S355).
  • When the calculated time difference is below 1 second, the corresponding game is executed by the execution file at the foregoing step S330 (S360) and after the game is executed, it is preferable that the execution file at the foregoing step S330 is deleted (S365).
  • If the execution file generated at the foregoing step S310 and the coded data generated at the foregoing step S325 are illegally duplicated by the game executing apparatuses 100 of other users, when considering a time necessary for the illegal duplication, it is apparent that the difference between the present time recognized by the game executing apparatuses 100 of other users and the present time obtained at the foregoing step S335 is at least 1 second or more. When the calculated time difference as described above is 1 second or more, the execution of the corresponding game is cancelled (S350).
  • With the present invention, the execution of the game by a user other than an authorized user can be fundamentally interrupted.
  • While the present invention has been described with reference to the preferred embodiments, it will be understood by those skilled in the related art that various modifications and variations may be made therein without departing from the scope of the present invention as defined by the appended claims.

Claims (8)

1. A method for authentication of a game executing authority comprising:
(a) requesting a transmission of a decoding key for decoding a coded execution file for executing a game to an authentication server;
(b) decoding the coded execution file by the decoding key received from the authentication server to generate the coded execution file;
(c) hashing an obtained present time and a random data together to generate hashed data;
(d) encrypting the obtained present time, the random data, and the hashed data by any fixing key to generate a coded data;
(e) transmitting the coded data as a parameter to the coded execution file; and
(f) confirming whether a hashed value obtained by hashing the obtained present time and the random data, which are obtained by decoding the coded data by the fixing key, matches the hashed data.
2. The method for authentication of a game executing authority according to claim 1, further comprising cancelling an execution of the game when the hashed value does not match the hashed data.
3. The method for authentication of a game executing authority according to claim 1, further comprising calculating a time difference between the obtained present time and the obtained present time obtained again when the hashed value matches the hashed data.
4. The method for authentication of a game executing authority according to claim 3, further comprising executing the game by the coded execution file when a calculated time difference is below 1 second.
5. The method for authentication of a game executing authority according to claim 3, further comprising cancelling an execution of the game when a calculated time difference is 1 second or more.
6. The method for authentication of a game executing authority according to claim 4, further comprising deleting the coded execution file when the game is executed by the coded execution file.
7. A recording medium stored with a game executing authority authorization program that executes the respective steps in claim 1.
8. A server stored with an authentication program of game executing authority that executes the respective steps in claim 1.
US12/569,761 2009-04-24 2009-09-29 Method for Authentication of Game Executing Authority Recording Medium for Storing Authentication Program of Game Executing Authority, and Server for Storing Authentication Program of Game Executing Authority Abandoned US20100273552A1 (en)

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KR1020090036185A KR101048439B1 (en) 2009-04-24 2009-04-24 The server that stores the game execution authority authentication method, the recording medium on which the game execution authority authentication program is recorded, and the game execution authority authentication program.

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