JP2011212069A - Game system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a game system capable of surely detecting fraudulent modification with respect to a game machine.SOLUTION: In the game system 7 including a Pachinko game machine 2 provided with a game machine main board 53 for drawing winning and losing every time a predetermined drawing trigger is established on condition that a game ball is supplied and a game ball lending device 63 connected to the Pachinko game machine so as to transmit and receive data and controlling the lending of game balls, a security chip 64A holding an encryption key for encrypting and decrypting the data is provided on the game machine main board, and also a first encryption processing board 65 holding an encryption key to be used when transmitting and receiving the encrypted data to/from the security chip and authenticating the security chip by transmitting and receiving the data encrypted by the encryption key to/from the security chip is provided. The game ball lending device is provided with a second encryption processing board 86 configured to set the encryption key held by the first encryption processing board of the Pachinko game machine and mutually performing authentication by transmitting and receiving the data encrypted by the encryption key to/from the first encryption processing board.

Description

  The present invention relates to a technique for detecting unauthorized modification of a gaming machine.

  There is known a gaming machine in which a winning lottery is performed every time a predetermined lottery opportunity is established on condition that a game medium is inserted, and the player can increase the number of gaming media by winning. In this type of gaming machine, there is a problem of an illegal act of replacing the board that controls the winning lottery with an illegally modified board, and various countermeasure technologies have been proposed. For example, the board that controls the winning lottery is installed in a technology (for example, see Patent Document 1 and Patent Document 2) for verifying the validity of the board by authenticating another board provided in the gaming machine. A technique (for example, refer to Patent Document 3) that inspects the legitimacy of the unique identification information registered in advance in the gaming machine by an inspection device and detects unauthorized modification has been proposed.

JP 2002-263340 A JP-A-2005-21330 JP 2001-137516 A

In the techniques of Patent Documents 1 and 2, there is a problem that unauthorized modification cannot be detected when all the boards involved in authentication are replaced with unauthorized boards. Further, the technique of Patent Document 3 has a problem that an illegal gaming machine cannot be detected if the inspection device is illegally modified.
The present invention has been made in view of the above-described circumstances, and an object of the present invention is to provide a gaming system that can more reliably detect unauthorized modification of a gaming machine.

  In order to achieve the above-mentioned object, the present invention is connected to a gaming machine having a gaming machine main board that wins lottery every time a predetermined lottery opportunity is established on condition that a gaming medium is inserted, and to transmit and receive data to the gaming machine And a gaming medium lending device for controlling lending of the gaming medium, wherein a first security means holding an encryption key for encrypting and decrypting data is provided on the gaming machine main board, and the first An encryption key used for sending / receiving data encrypted with one security means is held, and data encrypted with the encryption key is sent / received to / from the first security means to authenticate the first security means The game medium lending device is configured to be able to set an encryption key held by the first encryption processing board of the gaming machine, and is encrypted with the encryption key. The data sent and received between the first encryption processing board, characterized in that a second cryptographic processing substrate to authenticate each other.

  According to the present invention, in the gaming system, the gaming medium lending device includes a lending device main board that controls lending of the gaming medium, and an encryption key that encrypts and decrypts data provided on the lending apparatus main board. The second encryption processing board holds an encryption key used when transmitting / receiving encrypted data to / from the second security means, and encrypts with the encryption key. The received data is sent to and received from the second security means to authenticate the second security means.

  According to the present invention, in the gaming system, the gaming machine and the game medium lending device encrypt and transmit data to be transmitted and received with the encryption keys held by the first and second cryptographic processing boards. It is characterized by.

  According to the present invention, in the above gaming system, the gaming machine controls a payout of the game medium and includes a payout control board provided with a third security means that holds an encryption key for encrypting and decrypting data. The first cryptographic processing board sends and receives encrypted data between the first and second security means and authenticates the validity of the combination of the gaming machine main board and the payout control board. It is characterized by doing.

  According to the present invention, since the gaming machine is provided with the first cryptographic processing board for authenticating the first security means provided on the gaming machine main board, it is possible to detect unauthorized exchange of the gaming machine main board. In addition, since the game medium lending device is provided with the second encryption processing board that mutually authenticates with the first encryption processing board of the gaming machine, the first encryption processing board of the gaming machine and the second of the gaming medium lending apparatus are provided. Even when one of the cryptographic processing boards is illegally exchanged, this illegal exchange can be detected. Therefore, even if all the boards related to detection of unauthorized exchange are illegally exchanged in either one of the gaming machine and the game medium lending device, the unauthorized exchange can be reliably detected.

It is a figure showing the whole game management system composition concerning an embodiment of the present invention. It is a block diagram which shows the electric constitution of a pachinko machine. It is a figure which shows the functional structure of a game ball rental apparatus. It is a figure which shows the functional structure of the game ball rental apparatus which concerns on the modification of this invention.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a diagram showing an overall configuration of a game management system 1 according to the present embodiment.
The game management system 1 is a system that is provided in a game hall where a pachinko machine 2 that uses a game ball as a game medium is installed, acquires game information from the pachinko machine 2, and manages a plurality of pachinko machines 2 and CR A (Card Reader) unit (game ball lending device) 3, a settlement machine 4, and a management computer group 5 including a hall computer 40, each of the CR unit 3, the settlement machine 4 and the management computer group 5 are connected to a communication network 6. So that they can communicate with each other.

  The pachinko machine 2 is a game machine that uses a game ball as a game medium. This pachinko machine 2 is a so-called CR in which a player purchases a prepaid medium 22 as a value medium or charges cash to the prepaid medium 22 and borrows a game ball at the price of the remaining value of the prepaid medium 22. A gaming machine called a machine, which is connected to the pachinko machine 2 and communicably connected to the pachinko machine 2 and includes the CR unit 3 that reads the prepaid medium 22, and constitutes a gaming system 7. The pachinko machine 2 It is configured to be able to launch a game ball on condition that the unit 3 is connected to be communicable.

  The pachinko machine 2 includes a pachinko machine main body 10 provided with a front glass 9 on the front surface of a game board (gauge board) 8 so that the game area of the game board 8 can be seen through the front glass 9. The game area of the game board 8 includes a starting port 11 and a winning port 12 for obtaining a prize ball when passing the game ball, a normally closed large winning port (so-called attacker) 13, the starting port 11, the winning port 12 and the large A game port (a so-called out ball) that has not won a prize in any of the winning openings 13 is guided from the gaming area to the back side of the gaming board 8 and collected, a number of obstacle nails 15 and a game to the starting opening 11 A gaming machine liquid crystal display 16 is provided as a symbol display unit for variably displaying symbols according to the winning (passing) of the ball.

On the front surface of the pachinko machine body 10, a ball lending button 38 A for lending operation of the game ball, a game end button 38 B for returning the prepaid medium 22 (game end instruction), and a display effect on the liquid crystal display 16 of the gaming machine Various operation buttons such as a push button 38C for performing operation input at times are provided.
A game ball launching handle 17 is provided at the lower right of the pachinko machine main body 10 to launch game balls one by one into the game area of the game board 8 at predetermined time intervals. The pachinko machine 2 performs a lottery winning of a special award when the game ball launched in accordance with the operation of the game ball launch handle 17 passes through the start port 11 and displays a symbol on the game machine liquid crystal display 16 to be described later. It is displayed in a variable manner along with the performance, and the winning lottery result is notified to the player by the stop symbol. At the time of winning, the pachinko machine 2 gives the player the opportunity to increase the number of balls by opening the grand prize opening 13 so that the game ball can easily win.

Here, the pachinko machine 2 is a sealed ball type game machine that encloses a predetermined number (for example, 25) of game balls in the pachinko machine body 10 and circulates and uses these game balls in the pachinko machine body 10. It is configured. Specifically, the pachinko machine 2 launches game balls (so-called safe balls) that have been launched on the game board 8 and won the prize opening 12 or the like and game balls (so-called out balls) collected at the collection opening 14 respectively. 8 has a circulation channel (not shown) that is collected on the back side and recirculates to the launch position. A predetermined number of game balls are enclosed in the circulation channel, and the enclosed game balls are repeated in the game area. It is configured to play a game by firing. In the enclosing ball type pachinko machine 2, it is not necessary to replenish game balls from the outside of the pachinko machine body 10, so a so-called upper plate or upper plate for temporarily storing game balls in front of the pachinko machine body 10. The pachinko machine main body 10 is not provided with a ball catching port for catching a game ball, a discharge port for discharging a prize ball on the upper plate, etc. A touch liquid crystal module 20 is provided under the front glass 9.
The touch liquid crystal module 20 is a display unit that can be touch-operated incorporated in the frame of the pachinko machine main body 10, and functions as an operation unit and a display unit of the CR unit 3. This configuration will be described in detail later.

  The CR unit 3 is arranged on one side of each pachinko machine 2 and is connected to be communicable with each other, and on the condition that the residual value of the prepaid medium 22 is not zero, a lending operation signal indicating the operation of the ball lending button 38A is pachinko. When received from the machine 2, a gaming ball lending instruction signal is output. The remaining value of the prepaid medium 22 is managed by the management computer group 5 (more precisely, the prepaid system management computer 42 described later), and the CR unit 3 lends with the management computer group 5 when the ball lending is completed. A process of reducing the remaining value of the prepaid medium 22 according to the number of balls is performed. The CR unit 3 is a unit of remaining value at the time of ball lending (for example, 100 yen unit, 500 yen unit, etc.) and a lending unit price per game ball (for example, 4 yen / ball, 1 yen / ball, etc.) ) Can be set in advance, and the amusement hall can be set and changed as appropriate according to the business form.

  As the prepaid medium 22, a coin-shaped IC coin 22A with a built-in IC and a card-type member card 22B are used. The membership card 22B is a recording medium that is lent to customers who are registered as members of the amusement store, and the IC coin 22A is a recording medium that is lent to other customers (so-called visitors). Identification information for uniquely identifying the prepaid medium 22 is given, and the identification information and the residual value are associated with each other and managed by the management computer group 5.

The CR unit 3 has a function of issuing a prepaid medium 22 and has a bill insertion slot 39 for inserting bills (for example, bills such as “10,000 yen”, “5,000 yen”, and “2,000 yen”), IC A coin insertion slot 23 for inserting the coin 22A, a coin discharge slot 24 for discharging the IC coin 22A, and a member card insertion slot 25 for inserting the membership card 22B are provided.
When a banknote is inserted into the banknote insertion slot 39, the CR unit 3 communicates with the management computer group 5 and performs a process of assigning a value corresponding to the face value of the banknote to the prepaid medium 22. Specifically, when the membership card 22B is inserted as the prepaid medium 22, the CR unit 3 inputs the identification information of the membership card 22B to the management computer group 5 that manages the remaining value of the membership card 22B. Notify that the amount of value will be given. As a result, the prepaid balance is charged to the member card 22B. When the membership card 22B is not inserted, the CR unit 3 issues a new IC coin 22A and also manages the IC coin 22A with respect to the management computer group 5 that manages the remaining value of the IC coin 22A. Notify that the value for the input amount is added to the identification information. Thereby, IC coin 22A as prepaid medium 22 is newly issued to a player who does not have membership card 22B.

The CR unit 3 displays the remaining value on the touch liquid crystal module 20 while the prepaid medium 22 is inserted, and subtracts and updates the remaining value each time the ball lending is performed by operating the ball lending button 38A. The updated residual value is displayed on the touch liquid crystal module 20. In addition, when the game end button 38B is operated, the CR unit 3 ejects the prepaid medium 22 and transmits the identification information and the residual value of the prepaid medium 22 to the management computer group 5, whereby the CR unit 3 The final residual value of the prepaid medium 22 when discharged from is recorded in the management computer group 5.
The settlement machine 4 is a device that settles the remaining value of the prepaid medium 22. The settlement machine 4 is provided with a coin insertion slot 26 for the IC coin 22A and a card insertion slot 27 for the member card 22B. When the prepaid medium 22 is inserted, the checkout machine 4 inquires the management computer group 5 about the remaining value and pays out an amount corresponding to the remaining value. The settlement machine 4 notifies the management computer group 5 of the completion of the payment of the amount, and the management computer group 5 clears the value recorded as the remaining value of the prepaid medium 22 to complete the settlement.

  In this game management system 1, a data display 28 is provided for each pachinko machine 2. The data display 28 has a display panel 29 for displaying game information such as the jackpot information of the past business day of the corresponding pachinko machine 2, the number of jackpots of the day, and the number of symbol fluctuations (start count) from the previous jackpot. In addition to the display panel 29, the data display 28 displays a predetermined game state such as a call button 30 for calling the hall staff of the game hall, a big hit state of the pachinko machine 2, a probability variation gaming state, a short-time gaming state, etc. A lamp 31 or the like for notification is provided. Each data display 28 is connected to the CR unit 3 that communicates with the corresponding pachinko machine 2, acquires game information output from the pachinko machine 2 from the CR unit 3, and displays it on the display panel 29.

The management computer group 5 includes a hall computer 40, a customer management server 41, a prepaid system management computer 42, and a possession management server 43.
The hall computer 40 is used for game information regarding gaming machines such as the number of balls and the number of hits at each pachinko machine 2, the error status, the opening of the door of the pachinko machine body 10 of the pachinko machine 2, and the CR unit 3 It is a computer that centrally manages information related to payment, replay, consumption of prepaid residual value, and the like. The hall computer 40 acquires various types of information such as the game information from the CR unit 3 provided for each pachinko machine 2.

  The customer management server 41 is a computer that manages the registered customers. The customer's name, age, gender, occupation, mobile phone number, membership number, PIN for service use, identification information of the membership card 22B, customer Manages the number of replayable game media (so-called number of stored balls) stored in the game hall and information related to the game history. When the membership card 22B is inserted, the CR unit 3 displays a personal identification number input screen on the touch liquid crystal module 20 to prompt the input, and the customer management server confirms the validity of the inputted personal identification number and the identification information of the membership card 22B. Ask 41. When these correctness is recognized by the customer management server 41, the CR unit 3 acquires the number of balls from the customer management server 41 and displays it on the touch liquid crystal module 20. Each time the stored unit is used, the CR unit 3 transmits the number of stored balls used to the customer management server 41, whereby the customer management server 41 subtracts and updates the number of stored balls of the customer. Further, when an instruction to change a customer's holding ball into a stored ball is input to the customer management server 41 from a computer or the like installed at a prize counter (not shown), the customer management server 41 adds and updates the number of stored balls of the customer.

The prepaid system management computer 42 is a computer that stores each identification value of the IC coin 22A and the membership card 22B as the prepaid medium 22 in association with the residual value, and manages these residual values. When the prepaid medium 22 is inserted, the CR unit 3 inquires the prepaid system management computer 42 for the residual value corresponding to the identification information of the prepaid medium 22, and displays the residual value obtained by the response on the touch liquid crystal module 20 in frequency. To do.
The remaining value of the prepaid medium 22 is increased by charging at the CR unit 3 and decreased by ball lending, and the prepaid system management computer 42 updates the remaining value according to these charges and ball lending. In other words, when the CR unit 3 charges the prepaid medium 22 with the residual value, the prepaid system management computer 42 acquires the charged residual value together with the identification information, and adds and updates the residual value. When the CR unit 3 makes a ball loan according to the operation of the ball lending button 38A, the prepaid system management computer 42 obtains the compensation value of the ball lending together with the identification information of the prepaid medium 22 and subtracts the residual value. Update.
The payment machine 4 is connected to the prepaid system management computer 42 via the communication network 6, and the payment machine 4 is connected to the payment machine 4 when the payment medium 22 is inserted. The remaining value is inquired to the prepaid system management computer 42, and the payment of the amount according to the remaining value is performed.

  The possession management server 43 is a computer that manages the number of possessions of the player. Specifically, the possession management server 43 acquires and manages the number of possessions of the player from the CR unit 3 through the communication network 6 together with the identification information of the prepaid medium 22 that has been inserted. The player can use the ball for the game only on the day of acquisition, and the CR unit 3 has the number of balls corresponding to the identification information of the prepaid medium 22 when the prepaid medium 22 is inserted. The management server 43 is inquired and the number of possessed balls obtained by the response is displayed on the touch liquid crystal module 20. At this time, the CR unit 3 displays on the touch liquid crystal module 20 a ball use button (not shown) for receiving a payout of a game ball using the ball, and when the ball use button is operated. A game ball payout instruction signal for a predetermined number of balls is output to the pachinko machine 2, and the number of used balls is transmitted together with the identification information of the prepaid medium 22 to the ball management server 43. When the possessed ball management server 43 obtains the number of used balls, the number of possessed balls of the corresponding prepaid medium 22 is subtracted and updated. Further, the CR unit 3 sends the final number of balls together with the identification information of the prepaid medium 22 to the possession management server 43 when the prepaid medium 22 is discharged, and the number of possessions is sent to the possession management server 43. To be recorded.

  In this game management system 1, a player can exchange his / her own balls for prizes or storage balls. That is, when a player exchanges his / her own ball for a prize or a storage ball at a prize counter (not shown) or the like, the fact that the player has exchanged his / her own ball from the computer of the prize counter together with the identification information of the prepaid medium 22 The exchange is completed when the possession management server 43 subtracts and updates the possession number corresponding to the identification information of the prepaid medium 22. In addition, when exchanging the balls for storage, the number of stored balls is transmitted to the customer management server 41 together with the identification information of the prepaid medium 22, and the number of stored storage is added and updated. In addition, when the membership card 22B with no possession is recorded in the possession management server 43 at the end of the business day of the game hall, the possession management server 43 transfers the record to the customer management server 41, and You may make it transfer automatically by adding a ball to the storage of the membership card 22B which the customer management server 41 manages.

FIG. 2 is a diagram showing the electrical configuration of the pachinko machine 2 together with the CR unit 3.
As shown in FIG. 2, the pachinko machine 2 includes a gaming machine main board 53 and a payout control board 54 that are classified as main boards, and an effect sub board 51 and a launch control board 52 that are peripheral boards to the main board. ing. The main board is a board on which a circuit having a function that affects or may affect the winning lottery and the acquisition of the game ball is mounted.
The gaming machine main board 53 is a board provided with a circuit for drawing lottery for prize ball payout instructions and winning special prizes when winning a prize. Specifically, the pachinko machine 2 includes a winning detection sensor 55 that detects a winning of a game ball at each of the start port 11, the winning port 12, and the grand winning port 13, and a detection signal is output to the gaming machine main board 53. The The gaming machine main board 53 is provided with a prize ball number storage unit 53A for each prize opening which stores the number of prize balls in association with each of the start opening 11, the winning opening 12 and the big winning opening 13, and a winning at the winning opening is detected. Each time, a prize ball payout instruction signal for instructing the payout of the number of prize balls corresponding to the winning opening is output to the payout control board 54, and a prize ball notification lamp 56 provided on the game board 8 according to the number of prize balls is provided. Light.

  Further, the gaming machine main board 53 performs a winning lottery of a special prize upon detection of winning at the start port 11 and displays a winning lottery result on a symbol display unit (so-called special symbol display) 59. The symbol display unit 59 is provided on the game board 8 so as to be visually recognized. The symbol display unit 59 includes, for example, a 7-segment indicator and a large number of LED lamps. indicate. In the symbol display section 59, a display symbol indicating the winning lottery result is displayed through a time variation display determined by the gaming machine main board 53 each time. Further, the gaming machine main board 53 designates what kind of effect is to be performed in order to perform the gaming effect according to the winning lottery result by the gaming machine liquid crystal display 16, the sound source, the lamp, and the like, and the variation time ( An effect instruction signal designating a winning lottery result display timing) and the like are output to the effect sub-board 51 together with a jackpot occurrence signal indicating the winning lottery result.

The payout control board 54 manages the payout and launch of game balls. Since the pachinko machine 2 is configured as an enclosed ball type gaming machine as described above, the gaming ball is not thrown from the outside of the pachinko machine 2 during the game, and the gaming ball is actually thrown in. Instead, a game ball that can be launched is inserted on the digital data.
That is, the payout control board 54 includes a gaming machine management launchable ball number storage unit 54A that stores the remaining number of game balls that can be launched by the player (hereinafter referred to as “the number of balls that can be fired”). On condition that the number is not “zero”, a launch permission signal for permitting the launch of the game ball is output to the launch control board 52 described later. When a lending instruction signal is input from the CR unit 3, the payout control board 54 adds the predetermined number of lent balls to the number of balls that can be fired instead of inserting a predetermined number of gambling balls.

In addition, the payout control board 54 has an out-ball detecting sensor 57 for detecting an out-ball collected in the collection port 14 so that the increase / decrease in the number of balls that can be shot can be managed, and a game that has not reached the post-launch game area. Detection signals of a foul ball detection sensor 58 that detects a foul ball that is a sphere and one or a plurality of shot ball detection sensors 64 (one in the illustrated example) that detect a game ball that has been shot are input. The payout control board 54 can be fired every time a prize ball payout instruction signal is received from the gaming machine main board 53, every time a foul ball is detected, or every time one of the rental instruction signals is input from the CR unit 3. The number of balls is added and updated, and the number of balls that can be fired is managed by subtracting and updating the number of balls that can be fired each time the detection signal of the firing ball detection sensor 65 is input (that is, the number of balls the player has), Further, the number of balls that can be fired is always displayed on the ball number display lamp 60 provided on the game board 8.
The outputs of the out ball detection sensor 57 and the foul ball detection sensor 58 may be input to the gaming machine main board 53 and output from the gaming machine main board 53 to the payout control board 54.
The launch control board 52 is a board that controls the launch of the game ball by the launch device 69 on the condition that the launch permission signal is input from the payout control board 54, and whether or not the launch of the game ball is possible. The firing state signal shown is output to the payout control board 54. The launching device 69 launches a game ball with a resilience according to the amount of operation of the game ball launching handle 17 based on the control of the launch control board 52.

  Each of the gaming machine main board 53 and the payout control board 54 classified as the main board is sealed in transparent main board sealing cases 50A and 50B that are visible from the outside. The main substrate sealing cases 50A and 50B are so-called caulking cases that are structured to leave traces when opened. In each main board sealing case 50A, 50B, security chips 64A, 64B, which will be described later, are sealed as security means, whereby the security chips 64A, 64B are connected to the gaming machine main board 53 and the payout control board. 54 is provided incidentally. The security chips 64A and 64B may be provided integrally on the same board as the gaming machine main board 53 and the payout control board 54.

  The production sub-board 51 controls the gaming machine liquid crystal display 16, a sound source (not shown), and a frame lamp based on the production instruction signal of the gaming machine main board 53, and performs a game production according to the winning lottery result. It is a board on which a circuit is mounted, and does not output a signal to the gaming machine main board 53, and its operation does not affect the winning lottery result of the gaming machine main board 53. The effect sub-board 51 includes an effect data storage unit 51A for storing image data used for each display effect, and the image data is sent from the effect data storage unit 51A in accordance with the effect instruction signal of the game machine main board 53 and the progress of the effect. The image signals based on the image data are sequentially read out and output to the gaming machine liquid crystal display 16 to be displayed on the gaming machine liquid crystal display 16.

In addition to the above-described members, the pachinko machine 2 includes an external terminal board 61, a lending device connection board 62, and a first encryption processing board 65 as shown in FIG. A module 20 is incorporated.
The external terminal board 61 is a terminal board that outputs an external output signal Sout indicating game information to the CR unit 3 in one direction, and signal input from the CR unit 3 to the external terminal board 61 is prohibited. The game information output from the external terminal board 61 is information managed by the gaming machine main board 53 and the payout control board 54, and is output from these boards to the external terminal board 61.
The signal indicating the game information includes a jackpot signal indicating the occurrence of a jackpot in the pachinko machine 2, a symbol stop signal (start signal) indicating a stop of symbol variation in the symbol display unit 59, a prize ball signal indicating the number of winning balls, An out ball signal indicating the number of out balls, a foul ball signal indicating the number of foul balls, and the like are included. By acquiring this game information by the peripheral device, it is possible to specify the number of jackpot occurrences, the number of jackpot occurrences, the number of symbol fluctuations (start times) based on the jackpot signal and the symbol variation stop signal, and the out ball signal, foul ball signal and Based on the prize ball signal, the difference ball can be managed separately from the payout control board 54. In the present embodiment, the external terminal board 61 is connected to the CR unit 3, and the CR unit 3 manages the number of held balls based on the difference balls, separately from the payout control board 54.
The lending device connection board 62 is a board for connecting to the CR unit 3, and a lending instruction signal from the CR unit 3 to the pachinko machine 2 via this lending apparatus connection board 62 (a payout instruction signal when using a holding ball). ) And a lending (dispensing) result signal indicating whether or not ball lending / dispensing has been normally completed is input from the pachinko machine 2 to the CR unit 3.

The first cryptographic processing board 65 authenticates the security chips 64A and 64B provided on the gaming machine main board 53 and the payout control board 54, which are classified as main boards, as well as the external terminal board 61 and the lending device connection board 62. Is a board for encrypting / decrypting signals input / output via the control board, and includes a control microcomputer 66 and a security chip 64C. The first cryptographic processing board 65 is configured as a so-called black box in which the processing operation, processing contents, etc. of the inside (control microcomputer 66 described later) cannot be specified from the outside of the board.
The control microcomputer 66 centrally controls the authentication and encryption / decryption processes. The security chip 64C is a circuit having an encryption communication function for holding an encryption key used for data encryption and decryption and transmitting / receiving data encrypted with the encryption key. The security chip 64A (first security means) provided on the gaming machine main board 53 and the security chip 64B provided on the payout control board 54 also have the same configuration as the security chip 64C. Each of these security chips 64A to 64C previously holds an encryption key for encrypting and decrypting data to be transmitted and received. This encryption key may be a common key in a common key scheme that uses a common key for encryption and decryption, or a public key in a public key scheme that uses different keys for encryption and decryption. There may be. In the public key method, a secret key is held in each of the security chips 64A to 64C.

The control microcomputer 66 performs authentication based on the security chips 64A and 64B of the gaming machine main board 53 and the payout control board 54 and the encryption key by controlling the security chip 64C when the pachinko machine 2 is turned on. Output authentication result. In the present embodiment, the authentication result is output to the CR unit 3 via the external terminal board 61 or the lending device connection board 62, is output to the hall computer 40 and the touch liquid crystal module 20, and is provided on the pachinko machine 2. It is directly output from the first cryptographic processing board 65 to a lamp or the like. In this way, by outputting the authentication result not only to the outside of the pachinko machine 2 but also to the LED lamp of the pachinko machine 2, etc., even if the authentication result is not normally output due to an unauthorized action on the communication line with the outside, the LED An authentication result can be notified to the game hall manager by lighting the lamp or the like.
Further, the first encryption processing board 65 configured as a black box authenticates the legitimacy of the gaming machine main board 53 and the payout control board 54, thereby realizing high security.

  In particular, the pachinko machine 2 is configured by attaching the gaming machine main board 53 to the gaming board 8 and attaching the payout control board 54 to the main body frame of the gaming machine body 10. In this configuration, the main body frame of the gaming machine main body 10 is commonly used for each model, and a plurality of models are configured by providing the gaming board 8 for each model. In practice, the pachinko machine 2 is installed in the game hall. When replacing, it is also common to replace only the game board 8. In such a case, if another gaming board 8 different from the original is mistakenly attached to the gaming machine main body 10, the gaming machine main board 53 and the payout control by the first cryptographic processing board 65 of the pachinko machine 2 An authentication error is detected by mutual authentication for authenticating the validity of the combination of the substrates 54. Thereby, the operator can easily perceive the erroneous attachment as described above.

  The touch liquid crystal module 20 is controlled by the CR unit 3 and functions as a display unit and an operation unit of the CR unit 3. That is, the CR unit 3 corresponds to the device body of the game ball lending device, and the touch liquid crystal module 20 corresponds to the display unit and the operation unit of the game ball lending device, and the game ball lending device 63 is configured by these. The configuration of the game ball lending device 63 will be described with reference to FIG.

FIG. 3 is a diagram showing a functional configuration of the game ball lending device 63.
The touch liquid crystal module 20 is communicably connected to the CR unit 3 which is the device main body of the game ball lending device 63, and controls a liquid crystal display unit 75 including a liquid crystal panel 73 and a touch panel 74, and the liquid crystal display unit 75. An image display control signal Sg for controlling the display image of the liquid crystal display unit 75 is input from the CR unit 3 to the operation display control board 77. The touch operation on the liquid crystal display unit 75 is output from the operation display control board 77 to the CR unit 3 as a touch operation input signal St, and the touch operation is input to the CR unit 3. That is, the touch liquid crystal module 20 is incorporated in the pachinko machine 2, but its display operation is controlled by the CR unit 3, and the input operation is output to the CR unit 3. And an operation unit.

  Further, operating power is supplied from the CR unit 3 to the touch liquid crystal module 20 via the power supply line 76 of the touch liquid crystal module 20. That is, the touch liquid crystal module 20 is configured to directly communicate with the CR unit 3 without using the pachinko machine 2, and the operation power is also supplied from the CR unit 3. There is no need to change the electric circuit, and manufacturing and the like are facilitated. Note that the touch liquid crystal module 20 may perform communication with the CR unit 3 through the external terminal board 61 and the lending device connection board 62 provided in the pachinko machine 2.

  The CR unit 3 includes a lending device main board 80, a coin R / W 81 for reading / writing the IC coin 22A, a card R / W 82 for reading / writing the membership card 22B, and one-segment broadcasting (one-segment broadcasting: one for mobile phones / mobile terminals). A one-segment receiving circuit 83 that receives and displays the segment partial reception service) on the touch liquid crystal module 20, a gaming machine side external input / output connection board 84 that is a connection board for connecting the pachinko machine 2 and the touch liquid crystal module 20, A hall-side external input / output connection board 85 and a second encryption processing board 86 are provided. An external output signal Sout including the operation amount of the game ball launching handle 17 and game information is input to the gaming machine side external input / output connection board 84, and this information is sent from the hall side external input / output connection board 85 to the hall computer 40. Is output.

The lending device main board 80 includes a main control general-purpose CPU 87 that centrally controls each part, and reads / writes data from / to the IC coin 22A and the membership card 22B, and transmits / receives data to / from the management computer group 5 and the data display 28. In addition to the control and ball lending control for the pachinko machine 2, the remaining value of the prepaid medium 22, the number of balls and the number of replayable balls (stored balls) during the game are managed.
Specifically, the main control general-purpose CPU 87 includes a cache memory, and using the cache memory, the prepaid residual value storage unit 88, the lending device management possession ball number storage unit 89, the replayable ball number storage unit 90, and the gaming machine It functions as the management remaining ball number storage unit 91.
The prepaid residual value storage unit 88 stores the residual value of the prepaid medium 22, stores the residual value acquired from the prepaid system management computer 42 when the prepaid medium 22 is inserted or issued as an initial value, The residual value is subtracted and updated with the operation, and added and updated with the charging operation.

  The lending device management number-of-balls storage unit 89 calculates and stores the number of players' balls (hereinafter referred to as “lending device management number of balls”) based on the game information received by the CR unit 3 from the pachinko machine 2. To do. That is, the CR unit 3 adds the number of balls to be lent or the number of balls to be paid out to the number of balls managed by the lending device for each gaming ball lending operation, storage ball, and holding ball payout operation, and also outputs an out ball signal included in the game information. The number of owned lending device management balls is subtracted and updated, and the number of owned lending device management balls is additionally updated based on a prize ball signal indicating a foul ball or a prize ball included in the game information. As shown in FIG. 2, the number of lending device management possessions is displayed on the touch liquid crystal module 20 in real time.

  Here, also in the pachinko machine 2, as described above, the payout control board 54 counts the number of balls, and this count value is stored in the gaming machine management launchable ball number storage unit 54A. The number of game machine management remaining balls managed by the pachinko machine 2 is subtracted and updated every time a signal indicating game ball launch is received from the launch control board 52, whereas the lending device management managed by the CR unit 3 Since the number of held balls is subtracted and updated based on the detection signal of the out ball, the subtraction update timing of the lending device management held ball number is later than the number of remaining gaming machine management balls. Therefore, when notifying the ball management server 43 of the number of balls in association with the operation of the game end button 38B, the CR unit 3 acquires the number of remaining gaming machine management balls from the pachinko machine 2 and the above gaming machine management balance. By storing the number of balls in the ball number storage unit 91 and notifying the ball management server 43 of the number of balls remaining in the gaming machine management, an accurate number of balls is recorded. When the game end button 38B is operated, the number of remaining gaming machine management balls is also displayed on the touch liquid crystal module 20 as shown in FIG.

  The replayable ball number storage unit 90 stores the number of balls stored by the player, and stores the number of balls acquired from the customer management server 41 as an initial value when the password authentication is normally completed after insertion of the membership card 22B. The number of stored balls is subtracted and updated with the operation of paying out the stored balls. As shown in FIG. 2, the number of stored balls is displayed as the number of replayable balls on the touch liquid crystal module 20, and when the game end button 38B is operated, the number of stored balls stored in the replayable ball number storage unit 90 is It is transmitted to the customer management server 41 and recorded.

The lending device main board 80 is provided with a security chip (second security means) 64D having an encryption communication function for holding an encryption key for data encryption and decryption on the same board.
The second cryptographic processing board 86 authenticates the lending device main board 80 and encrypts / decrypts signals input / output via the gaming machine side external input / output connection board 84. Such authentication and encryption And a security microcomputer 64E having the same configuration as the security chip 64D. Each of the security chips 64D and E holds in advance an encryption key for decrypting / encrypting data transmitted / received to / from each other. Similar to the first cryptographic processing board 86, the second cryptographic processing board 86 is configured as a so-called black box in which it is impossible to specify processing operations, processing contents, and the like inside (control microcomputer 92 described later) from the outside of the board. ing.
The control microcomputer 92 of the second cryptographic processing board 86 controls the security chip 64E when the CR unit 3 is turned on, thereby performing authentication based on the security chip 64D of the lending apparatus main board 80 and the cryptographic key. The result is output to the hall computer 40 and the touch liquid crystal module 20.
Note that the encryption key held by the security chips 64D and 64E may be either a common key or a public key, similar to the security chips 64A to 64C.

  In addition, when the CR unit 3 and the pachinko machine 2 are turned on, the first and second cryptographic processing boards 65 and 86 configured as respective black boxes are connected to the security chips 64C and 64E. The second cryptographic processing board 86 of the CR unit 3 outputs the authentication result to the hall computer 40 and the touch liquid crystal module 20, and the first of the pachinko machine 2. The cryptographic processing board 65 outputs the authentication result to the hall computer 40 via the CR unit 3 and to an LED lamp or the like provided in the pachinko machine 2. As a result, even if a fraudulent action such as chip exchange or board exchange is performed on one of the first and second cryptographic processing boards 65 and 86, it is reliably detected and notified to the game hall side. High security can be realized.

  Here, the encryption key used by the first encryption processing board 65 of the pachinko machine 2 (that is, the encryption key held by the security chip 64C) is determined by the manufacturer or the distributor, and at least until it is installed in the game hall. Are set and held in the security chips 64A to 64C of the pachinko machine 2. In particular, after setting the encryption key in the security chips 64A and 64B, the main board sealing case 50A and 50B together with the gaming machine main board 53 and the payout control board 54, which are the main boards, are sealed from the manufacturer or distributor to the game hall. Even when the gaming machine main board 53 and the payout control board 54 are exchanged during the transportation process, the unauthorized exchange can be reliably detected by the first encryption processing board 65 of the pachinko machine 2.

  On the other hand, the encryption key set in the pachinko machine 2 is notified to the game hall from the manufacturer or the seller, and this encryption key is placed on the security chip 64E of the second encryption processing board 86 of the CR unit 3 before the pachinko machine 2 is installed. Is set. Arbitrary means can be used as means for notifying the game hall of the encryption key, and for example, it can be distributed to a computer (for example, one of the management computer group 5) provided in the game hall via an electric communication line such as the Internet. The encryption key notified to the amusement hall side is input to the CR unit 3 by manual input from the touch liquid crystal module 20 as an operation unit or data input from the hall computer 40 through the hall side external input / output connection board 85, etc. 2 is input to the cryptographic processing board 86. When such an encryption key is input, the control microcomputer 92 of the second encryption processing board 86 outputs and holds the encryption key to each of the security chips 64D and 64E, thereby completing the setting of the encryption key.

As described above, in this embodiment, the encryption key set in the CR unit 3 is acquired and set from the manufacturer or the seller through a route different from the transport route of the pachinko machine 2. As a result, even if the first cryptographic processing board 65, the gaming machine main board 53, and the payout control board 54 are illegally replaced or modified in the process of transporting the pachinko machine 2, the unauthorized exchange / modification is performed by the pachinko machine 2 being installed. Sometimes it will be detected by the second cryptographic processing board 86 of the CR unit 3.
Further, after the pachinko machine 2 is installed, even if the first and second cryptographic processing boards 65 and 86 of either the pachinko machine 2 and the CR unit 3 are illegally exchanged or modified, By mutual authentication, the unauthorized exchange / modification is detected by the first and second cryptographic processing boards 65 and 86 of the other pachinko machine 2 and CR unit 3.
Further, in either the pachinko machine 2 or the CR unit 3, the gaming machine main board 53, the payout control board 54, and the lending device main board 80 other than the first and second cryptographic processing boards 65 and 86 are illegally exchanged / modified. As described above, the first and second cryptographic processing boards 65 and 86 that mutually authenticate with the board detect unauthorized exchange / modification.

  Note that the timing for performing mutual authentication between the pachinko machine 2 and the CR unit 3, mutual authentication between the internal boards of the pachinko machine 2, and mutual authentication between the internal boards of the CR unit 3 is not limited to when the power is turned on, but is constant. It may be performed every period, or may be performed at a timing instructed by, for example, touch-operating the touch liquid crystal module 20 which is an operation unit of the CR unit 3 by a game manager or the like.

Thus, according to the present embodiment, the first cryptographic processing board 65 that authenticates each of the security chip 64A provided on the gaming machine main board 53 and the security chip 64B provided on the payout control board 54 to the pachinko machine 2. Therefore, unauthorized replacement of the gaming machine main board 53 and the payout control board 54 classified as the main board can be detected.
In addition, since the CR unit 3 which is the main body of the game ball lending device 63 is provided with the second cryptographic processing board 86 that mutually authenticates with the first cryptographic processing board 65 of the pachinko machine 2, the pachinko machine 2 Even when one of the first cryptographic processing board 65 and the second cryptographic processing board 86 of the game ball lending device 63 is illegally exchanged, this illegal exchange can be detected reliably. As a result, in any one of the pachinko machine 2 and the game ball lending device 63, even when all the substrates related to the detection of unauthorized exchange are illegally exchanged, the unauthorized exchange can be reliably detected.

  Further, according to the present embodiment, the security chip 64D is provided on the lending device main board 80 of the gaming ball lending device 63, and the second cryptographic processing board 86 authenticates the security chip 64D. As a result, unauthorized replacement or modification of the lending device main board 80 can be detected. In particular, with the enclosed ball type pachinko machine 2, since the rental balls are not exposed outside the pachinko machine 2, even if a large number of rental balls are generated at one time due to fraud, a third party visually confirms it. It is difficult to find fraud. Therefore, although there may be sufficient illegal acts such as unauthorized replacement or modification of the lending device main board 80, according to the present embodiment, it is possible to reliably detect unauthorized exchange or modification of the rental device main board 80. .

Further, according to the present embodiment, the pachinko machine 2 and the game ball lending device 63 transmit and receive data encrypted with the encryption keys held by the first and second encryption processing boards 65 and 86. The configuration.
With this configuration, it is possible to reliably prevent an act of falsifying transmission / reception data by attaching an unauthorized part on the communication path between the pachinko machine 2 and the game ball lending device 63.
In particular, in the gaming system 7 of the present embodiment, the pachinko machine 2 encrypts the external output signal Sout, outputs it to the CR unit 3, and outputs it to the hall computer 40, so that the external output signal Sout is altered. Etc. can be prevented. Further, in the enclosed ball type pachinko machine 2, the payout control board 54 manages the outgoing ball as the number of balls that can be managed by the gaming machine, and outputs the number of balls that can be managed by the gaming machine to the hall computer 40 as an external output signal Sout. Therefore, by tampering with the number of balls that can be managed by the gaming machine, the number of balls can be increased illegally in data recording. On the other hand, according to the present embodiment, since the external output signal Sout is encrypted with a predetermined encryption key, it is possible to prevent such tampering and prevent illegal data recording of the ball.

In addition, embodiment mentioned above shows the one aspect | mode of this invention to the last, A deformation | transformation and application are possible arbitrarily.
For example, in the above-described embodiment, data (signals) transmitted and received between the pachinko machine 2 and the CR unit 3 are encrypted and transmitted by the first and second encryption processing boards 65 and 86 provided respectively. However, it is not limited to this.
That is, as shown in FIG. 4, in the gaming system 107 in which the pachinko machine 102 and the game ball lending device 163 are connected to each other so as to be able to transmit and receive data, the pachinko machine 102 includes a gaming machine main board 153 and a payout control board 154, respectively. In addition, the security chips 164A and 164B are integrally provided, the security chip 164A encrypts the signal output from the gaming machine main board 153, and the security chip 164B and the signal sent and received by the payout control board 154 are encrypted and decrypted. At the same time, the gaming ball lending device 163 may be configured such that a security chip 164D is integrally provided on the lending device main board 180, and signals transmitted and received by the lending apparatus main board 180 are encrypted and decrypted by the security chip 164D.

  In the configuration shown in FIG. 4, the pachinko machine 102 is provided with a first encryption processing board 165 having a control microcomputer 166 and a security chip 164C, and security chips 164A and 164B of the gaming machine main board 153 and the payout control board 154 are provided. The gaming ball lending device 163 is provided with a second cryptographic processing board 186 having a control microcomputer 186 and a security chip 164E to authenticate the lending apparatus main board 180 as in the above-described embodiment. It is the same. At this time, the mutual authentication of the pachinko machine 102 and the payout control board 154 is performed by the first encryption processing board 165 sending and receiving the encrypted data with the CR unit 103 of the game ball lending device 163 through the payout control board 154 or directly. The second cryptographic processing board 186 transmits / receives encrypted data to / from the pachinko machine 102 through the lending apparatus main board 180 or directly.

In the pachinko machines 2 and 102 described above, the first cryptographic processing boards 65 and 165 are configured to have a function of monitoring the movement of the gaming machine main boards 53 and 153 and the movement of the payout control boards 54 and 154. The first cryptographic processing boards 65 and 165 may detect and notify when there is a contradiction between the state of the gaming machine main boards 53 and 153 and the state of the payout control boards 54 and 154. good.
With this configuration, for example, it is possible to quickly detect an illegal payout of a game ball while the pachinko machine 2 is in operation and notify the game hall side of it.

More specifically, a prize ball payout instruction signal for notifying the payout control boards 54 and 154 of winnings at various winning ports detected by the winning detection sensor 55 connected to the gaming machine main boards 53 and 153, The gaming machine main boards 53 and 153 give out a big hit occurrence message for notifying the payout control boards 54 and 154 of the big hit state generated as a result of the lottery triggered by the winning of the boards 53 and 153 to the start port 11. 54 and 154 are transmitted to the first cryptographic processing boards 65 and 165 via the security chips 64A and 164A. On the other hand, the payout control boards 54 and 154 output a prize ball signal indicating the number of prize balls paid out to the first cryptographic processing boards 65 and 165 via the security chips 64C and 164C. The first cryptographic processing boards 65 and 165 monitor the consistency of the number of payout game balls based on the data received from the gaming machine main boards 53 and 153 and the data received from the payout control boards 54 and 154. .
Thus, for example, a signal for detecting a prize to a big prize opening where 15 prize balls are obtained is not outputted from the main board 53 or 153 of the gaming machine, but is outputted from the instruction command payout control boards 54 and 154 for paying out 15 pieces. In such a case, it is possible to detect an inconsistent operation regarding the occurrence of a winning ball or a big hit between both the gaming machine main boards 53 and 153 and the payout control boards 54 and 154.
In particular, the gaming machine main boards 53 and 153 and the payout control boards 54 and 154 output data to the first cryptographic processing boards 65 and 165 via the security chips 64A, 164A, 64C and 164C, respectively. Therefore, the security of the contradictory operation detection between both the gaming machine main boards 53 and 153 and the payout control boards 54 and 154 is enhanced.

  In the embodiment described above, the pachinko machines 2 and 102 are illustrated as an example of the gaming machine. However, the present invention is not limited to this, and any gaming machine that performs a winning lottery when a predetermined lottery opportunity is established on condition that a gaming medium is inserted. The present invention can be applied to any game machine. Examples of such a gaming machine include a pachislot machine that uses a game medal as a game medium and performs a winning lottery when an operation lever is operated on condition that the game medal is inserted. In this case, the game medium lending device of the present invention is applied to a game medal lending device that lends game medals to pachislot machines.

2,102 Pachinko machine (game machine)
3, 103 CR unit 5 management computer group 7, 107 gaming system 20 touch liquid crystal module 22 prepaid medium 40 hall computer 50A main board sealing case 52 launch control board 53, 153 game machine main board 54 payout control board 54A game machine management launch possible Number of balls 61 External terminal board 62 Lending device connection board 63, 163 Game ball lending device 64A to 64E, 164A to 164E Security chip (security means)
65, 165 First encryption processing board 66 Control microcomputer 80, 180 Lending device main board 86, 186 Second encryption processing board 92 Control microcomputer Sout External output signal

Claims (4)

A gaming machine provided with a gaming machine main board that wins lottery every time a predetermined lottery opportunity is established on condition that a gaming medium is inserted, and a gaming medium rental that is connected to the gaming machine so as to be able to send and receive data and control lending of the gaming medium In a gaming system comprising a device,
The gaming machine is provided with first security means that holds an encryption key for encrypting and decrypting data on the main board of the gaming machine, and when encrypted data is transmitted to and received from the first security means. A first cryptographic processing board that holds the encryption key used in the above and encrypts the data encrypted with the encryption key with the first security means to authenticate the first security means,
The gaming medium lending device is configured so that an encryption key held by the first encryption processing board of the gaming machine can be set, and data encrypted with the encryption key is transmitted to and received from the first encryption processing board. And a second cryptographic processing board for mutual authentication. The gaming medium lending device
A lending device main board for controlling lending of the game medium;
A second security means provided on the lending device main board and holding an encryption key for encrypting and decrypting data;
The second cryptographic processing board holds an encryption key used when transmitting / receiving data encrypted with the second security means, and transmits the data encrypted with the encryption key to / from the second security means. The gaming system according to claim 1, wherein the second security means is authenticated by sending and receiving.   3. The game machine and the game medium lending device transmit and receive data encrypted with encryption keys held by the first and second encryption processing boards, respectively. The described gaming system. The gaming machine includes a payout control board provided with third security means for controlling the payout of the game medium and holding an encryption key for encrypting and decrypting data,
The first cryptographic processing board sends and receives encrypted data between the first and second security means and authenticates the validity of the combination of the gaming machine main board and the payout control board. The game system according to any one of claims 1 to 3.

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