JP4781410B2 - Game machine, main control board, peripheral board, authentication program, and authentication method - Google Patents

Description

  The present invention relates to a gaming machine including a main control board that performs main control of a game and a peripheral board that operates by control of the main control board, and a board, a program, and a method applied to the gaming machine. The present invention relates to a gaming machine, a main control board, a peripheral board, an authentication program, and an authentication method that are suitable for preventing fraud and improving security strength.

  Various control boards are mounted on pachinko and other gaming machines. The control board includes a main control board that performs main control of the game and a peripheral board that operates under the control of the main control board. The main control board controls the peripheral board by transmitting a control command to the peripheral board.

  For control boards of gaming machines, fraudulent acts may be made, and techniques for preventing fraudulent acts have been proposed. Examples of fraudulent actions include replacing a legitimate main control board with an unauthorized main control board, or altering a control program for causing the main control board to execute. In order to prevent such illegal acts, for example, techniques described in Patent Documents 1 and 2 are known.

  The technique described in Patent Document 1 is to check program data stored in a ROM of a gaming machine using a ROM checker.

In the technique described in Patent Document 2, the main control board has a plurality of encryption keys, while the peripheral board has a plurality of decryption keys corresponding to each of the encryption keys, and the main control board and the peripheral board are based on random numbers. The encryption key and the decryption key that can be decrypted are selected, and the control command is encrypted and decrypted with the selected encryption key and decryption key (in the same document [0060], [0074] to [0079], [ 0082] to [0089]).
JP 11-333108 A JP 2002-78914 A

  However, in the technique described in Patent Document 1, although the replacement of the main control board and the alteration of the control program can be detected, an unauthorized control board is connected between the regular main control board and the peripheral board. There was a problem that it was difficult to prevent fraud.

  FIG. 17 and FIG. 18 are explanatory diagrams showing an outline of the fraud prevention technology according to the prior art.

  As shown in FIG. 17, the regular main control board 1401 controls the peripheral board 1402 by transmitting a regular control command RS to the peripheral board 1402. The main control board 1401 is provided with an inspection port 1403. In the technique described in Patent Document 1, program data stored in the ROM of the main control board 1401 is read by the ROM checker via the inspection port 1403, and no illegal act is performed on the main control board 1401. Can be inspected.

  However, as shown in FIG. 18, an illegal act such as an unauthorized control board 1501 being connected between the main control board 1401 and the peripheral board 1402 may be performed. The control board 1501 discards the control command RS from the main control board 1401 and transmits an unauthorized control command FS to the peripheral board 1402. Since the peripheral board 1402 cannot determine whether the received control command is the control command RS or the control command FS, the peripheral board 1402 operates based on the control command FS. In this case, even if the inspection by the ROM checker is performed, since the main control board 1401 itself is a legitimate one, it is not possible to detect fraud.

  In the technology described in Patent Document 1, not only such illegal acts, but also the main control board is modified so that an unauthorized CPU provided in the main control board can be replaced with a regular CPU during the game. It is also difficult to prevent fraudulent behavior. In this case, even if the inspection by the ROM checker is performed, since the regular CPU operates at the time of the inspection, it is not possible to detect an illegal act.

  On the other hand, in the technique described in Patent Document 2, the combination of the encryption key and the decryption key is dynamically changed and the main control board is authenticated on the peripheral board side. (Reference [0089]).

  However, the selection of the encryption key and the decryption key is performed based on the respective random numbers adjusted so as to have the same value, and this adjustment is performed based on the reset signal from the reset circuit (the same document [0062] ] To [0064]). That is, the main control board and the peripheral board share information (random numbers) necessary for selecting an encryption key and a decryption key that can be decrypted, and select the encryption key and the decryption key based on the shared information. Become. Therefore, the main control board can select an encryption key only based on predetermined shared information, and there is a problem that there is a certain limit to improving the security strength.

  Further, since the control command itself is encrypted, the authentication data is limited to the content of the control command. In this respect, there is a certain limit to improving the security strength.

  Therefore, the present invention has been made paying attention to such an unsolved problem of the conventional technology, and is suitable for preventing illegal acts on a gaming machine and improving the security strength. An object of the present invention is to provide a main control board, a peripheral board, an authentication program, and an authentication method.

[Invention 1]
In order to achieve the above object, a gaming machine according to a first aspect of the present invention is a gaming machine including a main control board that performs main control of a game and a peripheral board that operates under the control of the main control board. Is a lottery means for performing lottery upon establishment of a predetermined condition, a variable display control means for performing variable display of the symbol on the symbol display means, and the symbol in a predetermined manner based on the lottery result of the lottery means. A special prize state generating means for generating a special prize state after stopping , an encryption means for encrypting authentication data by any one of a plurality of encryption algorithms, and a jackpot command for designating the special prize state, in association with the encrypted encryption authentication data encrypting means, continuously in correspondence with each round of the prize state, and a transmission means for transmitting a command to the peripheral board, the Side substrate includes a receiving means for receiving the command, the decoding algorithm corresponding to each of the plurality of encryption algorithms, respectively decrypts the encrypted authentication data associated with the jackpot command received by said receiving means Decrypting means for performing authentication, and authenticating means for performing authentication based on the decryption result of the decrypting means.

  With such a configuration, in the main control board, the authentication data is encrypted by any one of a plurality of encryption algorithms by the encryption means, and is associated with the encrypted authentication data encrypted by the transmission means. Command is sent to the peripheral board.

  In the peripheral board, when the command is received by the receiving means, the encrypted authentication data associated with the received command is decrypted by the decrypting means by the decrypting algorithm corresponding to each of the plurality of encryption algorithms. . Then, the authentication unit performs authentication based on the decryption result of the decryption unit.

  As described above, since the encrypted authentication data is decrypted and authenticated by a plurality of decryption algorithms in the peripheral board, it is necessary to select the encryption algorithm and the decryption algorithm in the main control board and the peripheral board. The main control board can select an encryption algorithm based on arbitrary information or rules that do not depend on the peripheral board.

  In addition, since the command itself is not encrypted, but encrypted authentication data is associated with the command, arbitrary data that does not depend on the content of the command can be adopted as the authentication data.

Here, “authentication” includes, for example, authentication of the main control board, authentication of commands, authentication of game progress, and other authentication of normal operation. The same applies to the main control board of invention 11 , the peripheral board of invention 12 , the authentication program of inventions 13 and 14 , and the authentication method of invention 15 .

The authentication performed based on the decryption result includes, for example, performing authentication using all the decryption results and performing authentication using any one of the decryption results. In the latter case, for example, a configuration in which authentication is performed using a predetermined rule or an arbitrarily selected decryption result from among the decryption results, authentication is performed using the decryption results in order, and when authentication is obtained. The configuration to be terminated is included. The same applies to the peripheral board of the invention 12 , the authentication program of the invention 14 , and the authentication method of the invention 15 .

In addition, as the association of the encrypted authentication data, for example, the encryption authentication data is added to the command, and the rules related to the transmission or reception of the command (for example, after a predetermined time has elapsed since the command was transmitted) Sending authentication authentication data, adding access information (for example, link information) necessary for access to encrypted authentication data to a command, sending access information according to rules related to command transmission or reception included. The same applies to the main control board of invention 11 , the peripheral board of invention 12 , the authentication program of inventions 13 and 14 , and the authentication method of invention 15 .

Further, as the authentication data, for example, dynamically generated authentication data or existing authentication data stored in a storage unit can be used. The same applies to the main control board according to the eleventh aspect , the authentication program according to the thirteenth aspect , and the authentication method according to the fifteenth aspect .

The decryption algorithm corresponding to the encryption algorithm refers to a decryption algorithm that can decrypt the encryption result encrypted by the encryption algorithm. The decryption algorithm only needs to be capable of decrypting the encryption result, and may be different from the corresponding encryption algorithm or may be the same. The same applies to the peripheral board of the invention 12 , the authentication program of the invention 14 , and the authentication method of the invention 15 .

As the command other than the jackpot command, for example, control commands for controlling the peripheral board, there is a notification command for performing notification to the peripheral board.

And if it is said structure, in the main control board, if establishment of predetermined conditions is materialized, a lottery will be performed by this as a trigger by a lottery means. Further, the variable display control means performs control to display the symbols in a variable manner by the symbol display means. Then, the special prize state is generated by the special prize state generating means after the symbol is stopped in a predetermined manner based on the lottery result of the lottery means.

  When the special prize state occurs, the encryption means encrypts the authentication data by one of a plurality of encryption algorithms, and the transmission means associates the jackpot command with the encrypted authentication data on the peripheral board in association with the encrypted authentication data. Sent.

  In this way, since the jackpot command is transmitted with the occurrence of the special prize state, it is possible to authenticate when the special prize state is likely to be performed, and the possibility that the illegal action is performed is effective. Can be reduced.

  Further, since authentication is performed when the jackpot command is transmitted, the processing load on the main control board and the peripheral board can be reduced as compared with the case where authentication is performed for each command transmission. Therefore, the present invention can also be applied to a gaming machine in which the main control board or the peripheral board does not have a high processing capacity or a gaming machine having a large processing load.

  Here, the special prize state refers to an advantageous state in which a predetermined game value can be given to the player, and includes, for example, an opening operation of a special prize opening.

  In addition, as for the establishment of the predetermined condition, for a pachinko machine, for example, a game ball wins a start winning opening, and for a pachislot machine, for example, an operation lever that instructs a game start is operated. Is included.

[ Invention 2 ] Furthermore, in the gaming machine of Invention 2, in the gaming machine of Invention 1, the authentication means determines whether any one of the plurality of decryption results obtained by the decryption means satisfies the authentication condition. Determine.

  With such a configuration, in the peripheral board, the authentication unit determines whether any of the plurality of decryption results obtained by the decryption unit satisfies the authentication condition.

  Here, as an authentication condition, for example, in the case of authentication data including a verification value, the verification value and the expected value include a predetermined relationship. The predetermined relationship is, for example, that the verification value matches the expected value, that the calculation value obtained by calculating one of the verification value and the expected value by the predetermined calculation method matches the other, the verification value and the expected value Means that there is a magnitude relationship or other correlation.

[ Invention 3 ] Furthermore, the gaming machine of Invention 3 is the gaming machine according to any one of Inventions 1 and 2 , wherein the encryption means is configured to transmit the plurality of ciphers for each transmission of the jackpot command or for each predetermined transmission unit. One of the encryption algorithms is selected, and the authentication data is encrypted using the selected encryption algorithm.

  In such a configuration, the main control board selects one of a plurality of encryption algorithms for each transmission of the command or for each predetermined transmission unit by the encryption means, and the selected encryption algorithm By this, the authentication data is encrypted.

[ Invention 4 ] Further, in the gaming machine of Invention 4, in the gaming machine of Invention 3 , the encryption means selects the encryption algorithm at random, in a predetermined order or in a predetermined cycle, or is encrypted by the encryption means. Based on the number of times

  With such a configuration, on the main control board, the encryption unit selects the encryption algorithm at random, in a predetermined order or in a predetermined cycle, or based on the number of times of encryption by the encryption unit.

[ Invention 5 ] Furthermore, in the gaming machine of Invention 5, in the gaming machine of any one of Inventions 1 to 4 , the main control board further generates operation confirmation information indicating an operation sequence of the main control board. 1 operation confirmation information generation means, the peripheral board further includes second operation confirmation information generation means for generating the operation confirmation information, and the encryption means is the first operation confirmation information generation means. The authentication data is encrypted based on the generated operation confirmation information, and the decrypting means decrypts the encrypted authentication data based on the operation confirmation information generated by the second operation confirmation information generating means.

  With such a configuration, in the main control board, the operation confirmation information is generated by the first operation confirmation information generation unit, and the authentication data is encrypted by the encryption unit based on the generated operation confirmation information. .

  In the peripheral board, the operation confirmation information is generated by the second operation confirmation information generation means, and the encrypted authentication data is decrypted by the decryption means based on the generated operation confirmation information.

  Thus, since the operation confirmation information is information indicating the operation sequence of the main control board, the peripheral board can authenticate that the operation sequence of the main control board is normal.

[ Invention 6 ] Further, in the gaming machine of Invention 6, in the gaming machine of any one of Inventions 1 to 5 , the main control board further performs game control processing for performing main control of the game on the main control board. A storage unit that stores a control program for execution; and an authentication data generation unit that generates the authentication data based on control program data stored in the storage unit. The encryption unit includes the authentication data generation unit. Encrypt the authentication data generated in.

  With such a configuration, in the main control board, authentication data is generated by the authentication data generation means based on the data of the control program in the storage means, and the generated authentication data is encrypted by the encryption means. .

  Here, as the generation of the authentication data, for example, the authentication data is generated based on a part or all of the data of the control program, or part or all of the data of the control program and other data (for example, in the storage means). Generating authentication data based on data other than the stored control program.

  The storage means may include any means that can store the control program at any time, and may store the control program in advance, or the game may be stored without storing the control program in advance. The control program may be stored by external input or the like during operation of the machine.

[ Invention 7 ] Further, in the gaming machine of Invention 7, in the gaming machine of Invention 8 , the authentication data generating means is based on the control program data and the jackpot command transmitted in association with the authentication data. The authentication data is generated.

  With such a configuration, in the main control board, the authentication data generation means generates authentication data based on the data of the control program and the command transmitted in association with the authentication data.

  In this way, since the authentication data is generated based on the command transmitted in association with this, the peripheral board can authenticate that the command is authentic. In general, an unauthorized control board attempts to cause a peripheral board to perform an illegal operation by transmitting a command different from a regular command. Therefore, even if an unauthorized control board reuses the authentication data, there is a high possibility that the authentication data and the command are not matched on the peripheral board.

[ Invention 8 ] Further, in the gaming machine according to Invention 8, in the gaming machine according to any one of Inventions 1 to 7 , the transmission means transmits the jackpot command in association with the encrypted authentication data, and the peripheral board further command received and a determination means for determining whether said jackpot command by the reception unit, when it is determined that the jackpot command in said determination means, associated with the jackpot command Obtaining means for obtaining encrypted authentication data, and the decrypting means decrypts the encrypted authentication data obtained by the obtaining means.

With such a configuration, in the main control board, the jackpot command is transmitted to the peripheral board in association with the encrypted authentication data by the transmission means.

In the peripheral board, the determination means determines whether or not the received command is a jackpot command. As a result, when it is determined that the command is a jackpot command, the encrypted authentication data is acquired by the acquiring unit, and the acquired encrypted authentication data is decrypted by the decrypting unit.

[ Invention 9 ] Further, in the gaming machine according to Invention 9, in the gaming machine according to any one of Inventions 1 to 7 , the transmission means transmits the jackpot command in association with the encrypted authentication data, and the peripheral board Is further configured to determine whether or not the encrypted authentication data is associated with the jackpot command received by the receiving unit, and determine that the encrypted authentication data is associated with the determination unit. When it does, it has an acquisition means which acquires the said encryption authentication data, The said decoding means decodes the encryption authentication data acquired by the said acquisition means.

With such a configuration, in the main control board, the jackpot command is transmitted to the peripheral board in association with the encrypted authentication data by the transmission means.

  In the peripheral board, the determination means determines whether or not the encrypted authentication data is associated with the received command. As a result, when it is determined that the encrypted authentication data is associated, the acquisition unit acquires the encrypted authentication data, and the decryption unit decrypts the acquired encrypted authentication data.

[ Invention 10 ] Further, in the gaming machine of Invention 10, in the gaming machine of any one of Inventions 1 to 9 , the peripheral board further notifies when the authentication means cannot obtain authentication. Have

  With such a configuration, when the peripheral board cannot be authenticated by the authentication means, the notification means notifies the user.

  Here, the notification means may be notified by a method in which the notification target can be recognized, and when the notification target is a person, it can be performed by, for example, display, audio output, vibration, or other methods that can be perceived by the five senses. . When the notification target is a computer or the like, signal output, data transmission, or other methods that can be recognized by the computer or the like can be performed.

[ Invention 11 ] On the other hand, in order to achieve the above object, the main control board of the invention 11 is a main control board for controlling the peripheral board of the invention 1, and the authentication data is obtained by any one of a plurality of encryption algorithms. An encryption unit for encrypting; and a transmission unit for transmitting the jackpot command to the peripheral board in association with the encrypted authentication data encrypted by the encryption unit.

  With such a configuration, an action equivalent to that of the main control board of the invention 1 can be obtained.

[ Invention 12 ] On the other hand, in order to achieve the above object, the peripheral board of Invention 12 is a peripheral board that operates under the control of the main control board of Invention 1, and receives the jackpot command from the main control board. And a decryption algorithm for decrypting the encrypted authentication data associated with the jackpot command received by the receiving means by a decryption algorithm corresponding to each of the plurality of encryption algorithms used by the main control board Means and authentication means for performing authentication based on the decryption result of the decryption means.

  With such a configuration, an action equivalent to that of the peripheral substrate of the invention 1 can be obtained.

[ Invention 13 ] On the other hand, in order to achieve the above object, an authentication program of Invention 13 is an authentication program for causing a main control board of Invention 11 comprising a computer to execute, and is any one of a plurality of encryption algorithms. The main control board includes a process including: an encryption step for encrypting the authentication data by the transmission step; and a transmission step for transmitting the jackpot command to a peripheral board in association with the encrypted authentication data encrypted in the encryption step. This is a program to be executed.

With such a configuration, when the program is read by the computer and the computer executes processing in accordance with the read program, an operation equivalent to that of the main control board of the eleventh aspect is obtained.

[ Invention 14 ] Further, the authentication program of the invention 14 is an authentication program for causing the peripheral board of the invention 12 to be executed by a computer, a receiving step of receiving the jackpot command from a main control board, and the main control board A decryption step for decrypting encrypted authentication data associated with the jackpot command received in the reception step by a decryption algorithm corresponding to each of the plurality of encryption algorithms used by the device; and the decryption step A program for causing the peripheral board to execute a process including an authentication step of performing authentication based on the decryption result in.

With such a configuration, when the program is read by the computer and the computer executes processing in accordance with the read program, an operation equivalent to that of the peripheral substrate of the invention 12 is obtained.

[ Invention 15 ] On the other hand, in order to achieve the above object, the authentication method of Invention 15 is applied to a gaming machine including a main control board that performs main control of a game and a peripheral board that operates under the control of the main control board. An authentication step for encrypting authentication data by any of a plurality of encryption algorithms, and encryption authentication encrypted in the encryption step. A transmission step of transmitting a command to the peripheral board in association with data, and a reception step of receiving the command for the peripheral board, and a decryption algorithm corresponding to each of the plurality of encryption algorithms The decryption step of decrypting the encrypted authentication data associated with the command received in the reception step, respectively, and the decryption step And a certification step of performing authentication based on the decoding result of the flop.

As described above, according to the gaming machine of aspect 1, the main control board transmits a jackpot command in association with the encrypted authentication data, and the peripheral board performs authentication based on the authentication data from the main control board. Therefore, as compared with the conventional art, there is an effect that it is possible to reduce the possibility that an illegal act such as an unauthorized control board being connected between the main control board and the peripheral board is performed. In addition, since the authentication data is decrypted and authenticated by a plurality of decryption algorithms in the peripheral board, the information necessary for selecting the encryption algorithm and the decryption algorithm is used in the main control board and the peripheral board. The main control board can select an encryption algorithm based on arbitrary information, rules, etc. that do not depend on the peripheral board. In addition, since the command itself is not encrypted, but encrypted authentication data is associated with the command, arbitrary data that does not depend on the content of the command can be adopted as the authentication data. Therefore, the effect that the security strength can be improved as compared with the prior art is also obtained.

Further, since the transmission in association with encrypted authentication data jackpot commands sent along with the generation of JP award conditions, it is possible to perform authentication when the fraud is carried out easily in prize state generator, cheating The effect that it is possible to effectively reduce the possibility of being performed is obtained. Further, since authentication is performed when the jackpot command is transmitted, the processing load on the main control board and the peripheral board can be reduced as compared with the case where authentication is performed for each command transmission. Therefore, it is possible to obtain an effect that the present invention can be applied to a gaming machine in which the main control board or the peripheral board does not have a high processing capability or a gaming machine having a large processing load.

Further, according to the gaming machine of the third aspect , since the encryption algorithm is selected for each command transmission or for each predetermined transmission unit, an effect that the security strength can be further improved is obtained.

Furthermore, according to the gaming machine of the fourth aspect , the encryption algorithm is selected at random, in a predetermined order or in a predetermined cycle, or based on the number of times of encryption by the encryption means, so that the security strength can be further improved. The effect of being able to be obtained.

Furthermore, according to the gaming machine of the fifth aspect , the peripheral board can authenticate that the operation sequence of the main control board is normal. There is an effect that it is possible to reduce a possibility that an illegal act such as a modification of the main control board is performed so that the CPU replaces the regular CPU during the game.

Furthermore, according to the gaming machine of the sixth aspect , since the authentication data is generated based on the data of the control program stored in the storage means, the authorized main control board is replaced with an unauthorized main control board, or the control program is altered. Thus, an effect of reducing the possibility of such illegal activities can be obtained.

Furthermore, according to the gaming machine of the seventh aspect , since it is possible to authenticate that the command is legitimate on the peripheral board, it is possible to further reduce the possibility that fraud is performed. .

Furthermore, according to the gaming machine of the eighth aspect , the peripheral board receives the encrypted authentication data when it is determined that the received command is a predetermined command without attempting to acquire the encrypted authentication data for each command. Since it only has to be acquired, the effect that the processing load on the peripheral substrate can be reduced is also obtained.

Furthermore, according to the gaming machine of the ninth aspect , when it is determined that the encrypted authentication data is associated with the received command on the peripheral board without attempting to acquire the encrypted authentication data for each command. Since it is sufficient to obtain the encrypted authentication data, an effect that the processing load on the peripheral substrate can be reduced is also obtained.

Furthermore, according to the gaming machine of the tenth aspect , there is an effect that it is possible to grasp that there is a possibility that an illegal act has been performed.

On the other hand, according to the main control board of the invention 11 , the peripheral board of the invention 12 , the authentication program of the invention 13 or 14 , or the authentication method of the invention 15 , the same effect as the gaming machine of the invention 1 can be obtained.

  Embodiments of the present invention will be described below with reference to the drawings. 1 to 16 are diagrams showing embodiments of a gaming machine, a main control board, a peripheral board, an authentication program, and an authentication method according to the present invention.

In this embodiment, a gaming machine, a main control board, a peripheral board, an authentication program, and an authentication method according to the present invention are applied to a pachinko machine.
[Composition of game board]
First, the configuration of the game board 101 in the pachinko machine will be described.

  FIG. 1 is a front view of the game board 101.

  In FIG. 1, two rails 102 a and 102 b are provided on the left side of the game board 101 so as to draw an arc and extend upward. The game area 103 is provided with a plurality of nails (not shown) for making the trajectory of the game ball fall irregularly, and a windmill or a prize opening for changing the fall direction of the game ball is provided in the middle of the fall. It has been. The game ball is fired by a launching unit (not shown) disposed at a lower position of the game board 101, rises between the rails 102a and 102b, reaches the upper position of the game board 101, and then falls within the game area 103. To do.

  In the central portion of the game board 101, a symbol display unit 104 is provided that displays the effect symbols in three regions while independently varying them. The symbol display unit 104 is, for example, a variable display device such as a liquid crystal display (LCD (Liquid Crystal Display)) or a CRT (Cathode Ray Tube) display, a 7-segment LED, a dot matrix display device, a drum that variably displays by rotating a motor. Etc., and the effect symbols composed of a plurality of numbers, symbols, etc. are variably displayed.

  Below the symbol display unit 104 is provided a start winning opening 105 through which a game ball can be won. A winning gate 106 is provided on each of the left and right sides of the symbol display unit 104. When the game ball passes through the winning gate 106, a predetermined lottery is performed, and when the winning ball is won, the start winning opening 105 is opened for a predetermined time.

  A normal winning opening 107 is provided on each of the left and right sides of the start winning opening 105. When a game ball wins the normal winning opening 107, a predetermined number (for example, 10) of game balls is paid out as a prize ball for each game ball.

  Below the start winning opening 105, it is normally closed, but when the design symbol on the symbol display unit 104 becomes a jackpot symbol (for example, “777”), the game ball can be won in an open state. A special winning opening 109 is provided. When the jackpot lottery results in a “hit” (hereinafter simply referred to as “hit”), the opening and closing members installed on the entire surface of the big winning opening 109 repeat the opening and closing operation. While the open / close member is open, a large number of game balls are received. When a game ball wins the big winning opening 109, a predetermined number (for example, 10) of game balls is paid out as a prize ball for each game ball. The opening of the special winning opening 109 continues until a predetermined time (for example, 30 seconds) elapses or a predetermined number (for example, 10) of game balls wins. One opening period of the big prize opening 109 is called a round, and the round continues a maximum of a predetermined number of times (hereinafter referred to as the maximum number of rounds).

At the lowermost part of the game area 103, a collection port 108 is provided for collecting game balls that have not won any of the winning ports.
[Configuration of game control device]
Next, the configuration of the game control device 100 in the pachinko machine will be described.

  FIG. 2 is a block diagram showing a configuration of the game control device 100.

  As shown in FIG. 2, the game control device 100 includes a main control unit 200 that performs main control of the game, an effect control unit 300 that performs game effect control by the control of the main control unit 200, and control of the main control unit 200. And a prize ball control unit 400 that controls the payout of game balls.

  The main control unit 200 performs main control of the game and transmits various control commands for performing game effect control or game ball payout control to the effect control unit 300 and the prize ball control unit 400, respectively. The main control unit 200 includes a ROM 204 that stores a control program, a CPU 202 that executes game control processing in accordance with the control program stored in the ROM 204, a RAM 206 that functions as a data work area during the arithmetic processing of the CPU 202, and input / output between external devices. The I / F 210 is configured to perform.

  The RAM 206 stores input / output data for the main control unit 200, data for arithmetic processing, a random number counter for generating random numbers and other various counters, a jackpot flag and other various flags, and the number of reserved balls. The random number counter is a random number used for lottery lottery (a jackpot determined random number), a random number for determining the stop mode of the effect symbol (stop symbol determined random number), and a random number for determining the variation pattern of the effect symbol (variation pattern determining random number) A random number (reach determination random number) for determining the presence or absence of an effect (hereinafter referred to as a reach effect) for making a jackpot notice by stopping a part of the effect symbol at a reach symbol (eg, “77”), and other games It is provided corresponding to each random number used for control. In addition, the number of reserved balls is the number of game balls won in the start winning opening 105, and means that the big hit lottery is not performed.

  In the I / F 210, a start winning port detection unit 280 that detects a game ball won in the start winning port 105, a gate detection unit 282 that detects a game ball that has passed the winning gate 106, and a normal winning port 107 are won. An ordinary winning opening detection unit 284 that detects a game ball and a large winning opening detection unit 286 that detects a gaming ball that has won a prize winning port 109 are connected. These detection parts 280-286 can be comprised using a proximity switch, for example.

  The I / F 210 is further connected to a big prize opening / closing part 288 that opens and closes the opening / closing member of the big prize opening 109 during the big hit, an effect control part 300, and a prize ball control part 400. Communication with the production control unit 300 is one direction from the main control unit 200 to the production control unit 300. In contrast, communication with the prize ball control unit 400 is bidirectional.

  The big prize opening opening / closing unit 288 can be configured using, for example, a solenoid. The jackpot is pre-programmed to occur with a predetermined probability (for example, 1/300) based on the jackpot random number.

  The effect control unit 300 receives a control command from the main control unit 200 and performs an effect control of the game based on the received control command. The effect control unit 300 includes a ROM 304 that stores a control program, a CPU 302 that executes an effect control process according to the control program stored in the ROM 304, a RAM 306 that functions as a data work area during the calculation process of the CPU 302, and a display on the symbol display unit 104. And an I / F 310 for inputting / outputting data to / from an external device.

  The ROM 304 stores an expected value for collation with the verification value. The verification value is for authenticating the main control unit 200, and the expected value is the same value as the verification value.

  The RAM 306 stores input data from the main control unit 200, data for arithmetic processing, a random number counter for generating random numbers, various other counters, and various flags.

  The I / F 310 includes a main control unit 200, a symbol display unit 104, a sound control unit 382 that performs sound control for outputting sound from the speaker 380, and a lamp control unit 386 that performs lamp control for lighting the lamp 384. It is connected.

  The award ball control unit 400 receives a control command from the main control unit 200 and performs payout control of the game ball based on the received control command. The prize ball control unit 400 includes a ROM 404 that stores a control program, a CPU 402 that executes a payout control process according to the control program in the ROM 404, a RAM 406 that functions as a data work area during the calculation process of the CPU 402, and an external device. And an I / F 410 that performs output.

  The I / F 410 is connected to the main control unit 200, a payout unit 480 that pays out a predetermined number of game balls from the game ball storage unit, and a launch unit 482 that launches the game balls to the game board 101.

  The award ball control unit 400 controls the payout unit 480 to pay out a predetermined number of game balls in accordance with winnings in each winning award (starting winning port 105, normal winning port 107, large winning port 109). . In addition, an operation on the launch unit 482 is detected, and the launch of the game ball is controlled.

  The launching unit 482 includes a sensor (not shown) that detects an operation by the player and a solenoid (not shown) that launches a game ball. When the award ball control unit 400 detects an operation by the sensor of the launch unit 482, the prize ball control unit 400 intermittently fires a game ball by driving a solenoid according to the operation amount.

The main control unit 200, the effect control unit 300, and the prize ball control unit 400 are provided on different printed circuit boards (main control board, effect control board, and prize ball control board). For example, the prize ball control unit 400 may be provided on the same printed circuit board as the main control unit 200.
[Functions of main control unit 200 and effect control unit 300]
Next, functional outlines of the main control unit 200 and the effect control unit 300 will be described.

  FIG. 3 is a functional block diagram showing an outline of functions of the main control unit 200 and the effect control unit 300.

  As shown in FIG. 3, the main control unit 200 generates an authentication data based on the control program data in the ROM 204, and an authentication data generation unit 220 that encrypts the authentication data generated by the authentication data generation unit 220. Unit 222 and a transmission unit 224 that adds the authentication data encrypted by the encryption unit 222 (hereinafter referred to as encrypted authentication data) and transmits a jackpot command to the effect control unit 300. Yes.

  The encryption unit 222 can use a plurality of encryption algorithms, selects one of these encryption algorithms, and encrypts the authentication data using the selected encryption algorithm.

  The effect control unit 300 includes a receiving unit 320 that receives a jackpot command, a decrypting unit 322 that decrypts encrypted authentication data added to the jackpot command received by the receiving unit 320, and a decryption unit 322 decrypting the decryption unit 322. An authentication unit 324 that performs authentication based on the result, and a notification unit 326 that performs notification (hereinafter referred to as fraud notification) indicating that fraud has been performed when the authentication unit 324 fails to authenticate. It is configured.

  The decryption unit 322 can use a decryption algorithm corresponding to each of the plurality of encryption algorithms used by the encryption unit 222, and decrypts the encrypted authentication data using these decryption algorithms. For example, if two decoding algorithms are available, two decoding results are obtained.

The authentication unit 324 determines whether any of the plurality of decryption results obtained by the decryption unit 322 satisfies the authentication condition.
[Data structure of control command]
Next, the data structure of the control command will be described.

  FIG. 4 is a diagram illustrating a data structure of a normal control command and a control command with authentication data.

  The normal control command is a control command other than the jackpot command, and includes only the control command 500 as shown in FIG. On the other hand, the control command with authentication data is obtained by adding encrypted authentication data 502 to the control command 500 that is a jackpot command.

  FIG. 5 is a diagram illustrating the data structure of the control command 500.

  As shown in FIG. 5, the control command 500 includes a mode (MODE) that is an identifier for identifying the control command 500 and an event (EVENT) that is data indicating the specific execution contents of the control command 500. . A mode identification number of 1 byte length is set for the mode, and an event number of 1 byte length is set for the event.

  FIG. 6 is a diagram illustrating the contents of the control command transmitted from the main control unit 200.

  As shown in FIG. 6, the control commands include a power-on command, a power-off command, a customer waiting demo command, a customer waiting demo stop command, a variation pattern command, a jackpot start command, a jackpot end command, and a jackpot command.

  The power-on command is a control command for designating power-on, and is transmitted to the effect control unit 300 and the prize ball control unit 400 when the power is turned on.

  The power-off command is a control command for designating power-off, and is transmitted to the effect control unit 300 and the prize ball control unit 400 when the power is turned off.

  The customer waiting demo command is a control command for designating the start of a demonstration effect (hereinafter referred to as a customer waiting demo) for attracting a player, and is transmitted to the effect control unit 300 when the game is interrupted.

  The customer waiting demo stop command is a control command for designating the end of the customer waiting demo, and is transmitted to the effect control unit 300 when the game is resumed.

  The variation pattern command is a control command for designating the variation pattern of the effect symbol, and is transmitted to the effect control unit 300 when the variation of the effect symbol is started. The variation pattern command includes an outlier non-reach command, an outlier reach command, and a jackpot reach command.

  The non-reach non-reach command is a control command for designating a change pattern that does not perform reach among the change patterns that are selected when the big hit lottery results in “out” (hereinafter, simply referred to as “out”). .

  The detachment reach command is a control command for designating a variation pattern for performing a reach effect among the variation patterns selected at the time of detachment. The effect control unit 300 can determine that there is a loss based on a loss reach command or a loss non-reach command.

  The jackpot reach command is a control command for designating a variation pattern for performing a reach effect among the variation patterns selected at the time of the jackpot. The effect control unit 300 can determine that the jackpot is based on the jackpot reach command.

  The jackpot start command is a control command for designating the start of the jackpot effect, and is transmitted to the effect control unit 300 at the start of the jackpot effect.

  The jackpot end command is a control command for designating the end of the jackpot effect, and is transmitted to the effect control unit 300 at the end of the jackpot effect (at the end of the final round).

  The jackpot command is a control command for designating a jackpot, and includes a round start command and a round end command.

  The round start command is a control command for designating the start of a round, and is transmitted to the effect control unit 300 at the start of the round. The round start command is set for each round. For example, when the maximum number of rounds is 15, 15 types of round start commands are set. Accordingly, when the round continues twice or more, the round start command is transmitted a plurality of times during the jackpot. Also, encrypted authentication data is added to the round start command.

  The round end command is a control command for designating the end of the round, and is transmitted to the effect control unit 300 at the end of the round excluding the final round. The round end command is set for each round except the final round. For example, when the maximum number of rounds is 15, 14 types of round end commands are set. Therefore, when the round continues three or more times, the round end command is transmitted a plurality of times during the jackpot. Also, encrypted authentication data is added to the round end command.

These control commands are merely representative, and various other control commands are defined.
[Game control processing]
Next, game control processing executed by the main control unit 200 will be described.

  The CPU 202 reads from the ROM 204 a control program that can execute one cycle at a predetermined operation clock (for example, 4 [ms]), and executes the game control process shown in the flowchart of FIG. 7 in accordance with the read control program.

  FIG. 7 is a flowchart showing the game control process.

  When the game control process is executed by the CPU 202, as shown in FIG. 7, first, the process proceeds to step S100.

  In step S100, it is determined whether or not the power is turned on. When it is determined that the power is turned on (Yes), the process proceeds to step S102, but when it is determined that it is not (No), the power is turned on. It waits in step S100 until it turns on.

  In step S102, the contents of the RAM 206 are initialized, and an initialization process for transmitting a power-on command to the effect control unit 300 and the prize ball control unit 400 via the I / F 210 is executed.

  Next, the process proceeds to step S104, and a winning determination process is performed to determine that a game ball has been won at the start winning opening 105, and the process proceeds to step S106 to determine the jackpot and determine the variation pattern of the effect symbol. The jackpot determination process is executed, the process proceeds to step S108, the electric accessory control process for opening the opening / closing member of the big winning opening 109 in a predetermined pattern is performed, and the process proceeds to step S110.

  In step S110, a prize ball payout control process for storing in the transmission buffer of the RAM 206 a control command (payout control command) for designating game ball payout to the prize ball control unit 400 is executed, and the process proceeds to step S112. Then, a control command transmission process for transmitting the control command stored in the transmission buffer to the effect control unit 300 or the prize ball control unit 400 via the I / F 210 is executed, and the process proceeds to step S114.

  In step S114, it is determined whether or not the power is turned off. When it is determined that the power is turned off (Yes), the process proceeds to step S116, and the effect control unit 300 and the award are received via the I / F 210. A termination process for transmitting a power-off command to the ball control unit 400 is executed, and the game control process is terminated.

  On the other hand, when it is determined in step S114 that the power is not turned off (No), the process proceeds to step S104.

Note that the random number counter is updated using the remaining time during which each process is executed in one cycle (for example, 4 [ms]) of the operation clock. In addition, it can be updated by a random number update process executed in parallel with the game control process. For example, the random number counter counts up by “1” sequentially from “0”, and returns to “0” when the count value exceeds the maximum value (for example, “999”). Counting is performed cyclically in a range (for example, “0” to “999”).
[Control command transmission processing]
Next, the control command transmission process in step S112 will be described.

  FIG. 8 is a flowchart showing control command transmission processing.

  When the control command transmission process is executed in step S112, the process first proceeds to step S200 as shown in FIG.

  In step S200, the control command is read from the transmission buffer, and the process proceeds to step S202 to determine whether or not the read control command is a jackpot command. When it is determined that the command is a jackpot command (Yes), step S204 is performed. Migrate to

  In step S204, authentication data is generated based on the data of the control program stored in the ROM 204. The authentication data is data for authenticating the main control unit 200 by the production control unit 300. For example, for part or all of the data of the control program, calculation by a hash function, parity check, cyclic redundancy check ( A value obtained by performing error detection calculation such as CRC (Cyclic Redundancy Check) or checksum is included as a verification value. Thus, the verification value is calculated from the data of the control program actually stored in the ROM 204. Therefore, by performing authentication using the verification value, it is possible to detect fraudulent acts such as replacing a regular main control board with an unauthorized main control board or falsifying the control program in the ROM 204.

  Next, the process proceeds to step S206, and an encryption process for encrypting the generated authentication data is performed by any one of a plurality of encryption algorithms. In the encryption process, one of a plurality of encryption algorithms is selected. For example, the encryption algorithm is selected at random based on a random number or the like.

  As an encryption algorithm, for example, an encryption algorithm A that calculates an exclusive OR (XOR) with an encryption key A (for example, “0x33”) and an encryption key B (for example, “0x77”) are exclusive. An encryption algorithm B that calculates a logical sum is used. In this case, the decryption algorithm corresponding to the encryption algorithm is the same.

  Then, the generated authentication data is encrypted by the selected encryption algorithm. For example, when the encryption algorithm A is selected, an exclusive OR of the verification value of the authentication data and the encryption key A is calculated, and the calculated value is used as the encrypted authentication data. Note that the encryption authentication data does not include information on which encryption algorithm is selected.

  Next, the process proceeds to step S208, and the control command read in step S200 is transmitted to the effect control unit 300 with the encrypted encrypted authentication data added thereto, and the series of processes is terminated and the original process is restored. .

  On the other hand, when it is determined in step S202 that the command is not a big hit command (No), the process proceeds to step S210, and the control command read in step S200 is transmitted as it is to the effect control unit 300 or the prize ball control unit 400, and a series of End the process and return to the original process.

Note that the transmission of the power-on command and the power-off command (steps S102 and S116) is the same as the control command transmission process shown in the flowchart of FIG.
[Winning determination process]
Next, the winning determination process in step S104 will be described.

  FIG. 9 is a flowchart showing a winning determination process.

  When the winning determination process is executed in step S104, as shown in FIG. 9, first, the process proceeds to step S300.

  In step S300, it is determined whether or not the number of reserved balls is “0”, and when it is determined that the number of reserved balls is “0” (Yes), the process proceeds to step S302.

  In step S302, a timer (not shown) is used to determine whether or not a predetermined time (for example, 10 minutes) has elapsed since the last winning to the start winning opening 105, and when it is determined that the predetermined time has elapsed ( If Yes, the process proceeds to step S304.

  In step S304, a customer waiting demo execution process for performing a customer waiting demo is executed. In the customer waiting demo execution process, the customer waiting demo is started by storing the customer waiting demo command in the transmission buffer. Further, when the resumption of the game is detected triggered by winning at the start winning opening 105, an operation on the launching unit 482, etc., the customer waiting demo is ended by storing the customer waiting demo stop command in the transmission buffer. Thereby, in the control command transmission process of step S112, a customer waiting demo command or a customer waiting demo stop command is transmitted to the effect control unit 300.

  Next, the process proceeds to step S306, where the sensor signal from the start winning opening detection unit 280 is read via the I / F 210, and whether it is detected that the game ball has won the start winning opening 105 based on the read sensor signal. If it is determined whether or not the winning of the game ball is detected (Yes), the process proceeds to step S308.

  In step S308, it is determined whether or not the number of retained balls is “4” or more, and when it is determined that the number of retained balls is less than “4” (No), the process proceeds to step S310 and the number of retained balls is determined. “1” is added to, and the process proceeds to step S312.

  In step S312, the jackpot determined random number, stop symbol determined random number and other random numbers used for game control are acquired from the random number counter, and the process proceeds to step S314, where each acquired random number is stored in a predetermined area of the RAM 206 corresponding to the number of reserved balls. Store, end a series of processing, and return to the original processing.

  On the other hand, when it is determined in step S308 that the number of held balls is “4” or more (Yes) and when it is determined in step S306 that no winning of a game ball is detected (No), a series of processes To return to the original process.

On the other hand, when it is determined in step S302 that the predetermined time has not elapsed (No) and when it is determined in step S300 that the number of reserved balls is not “0” (No), the process proceeds to step S306. .
[Big hit judgment processing]
Next, the jackpot determination process in step S106 will be described.

  FIG. 10 is a flowchart showing the jackpot determination process.

  In the jackpot determination process, in order to generate a jackpot with a predetermined probability, one jackpot value is set in a predetermined numerical range (for example, “0” to “400”) that can be taken by the jackpot determination random number, and the start winning hole 105 10 is a process for acquiring a jackpot determined random number at the winning timing when the game ball is won and generating a jackpot when the acquired random number value matches the jackpot value, and when executed in step S106, First, the process proceeds to step S400.

  In step S400, it is determined whether or not the effect symbol is changing in the symbol display unit 104, and when it is determined that the effect symbol is not changing (No), the process proceeds to step S402 and the number of reserved balls is “1”. When it is determined whether or not the number is equal to or more than one and it is determined that the number of reserved balls is “1” or more (Yes), the process proceeds to step S404.

  In step S404, the jackpot determination random number is read from a predetermined area of the RAM 206 corresponding to the number of reserved balls, and the process proceeds to step S406 to determine whether or not the read random number value matches the jackpot value. When it is determined that it has been done (Yes), the process proceeds to step S408, the jackpot flag is set, and the process proceeds to step S410.

  In step S410, a big-hit stop symbol determination process is executed to determine the aspect of the effect symbol to be stopped at the big-hit. In the jackpot stop symbol determination process, for example, a jackpot stop symbol determination table is read from the ROM 204. Then, a stop symbol determination random number is read from a predetermined area of the RAM 206 corresponding to the number of reserved balls, a stop symbol number of the order of the read random number value is acquired from the read stop symbol determination table, and control indicating the acquired stop symbol number Store the command (designation command) in the transmission buffer.

  Next, the process proceeds to step S412, and the big hit hour fluctuation pattern determination process is executed for determining the fluctuation pattern of the effect symbol to be displayed in a variable manner at the big hit. In the jackpot variation pattern determination process, for example, a reach determination random number is acquired from a random number counter, and a variation pattern determination table for jackpot corresponding to the acquired random number value is read from the ROM 204. Since the jackpot reach command is registered only in one or a plurality of specific variation pattern determination tables, this selection based on the reach determination random number determines whether or not to perform the reach effect. Then, the fluctuation pattern determination random number is obtained from the random number counter, the fluctuation pattern number of the order of the obtained random number value is obtained from the read fluctuation pattern determination table, and the fluctuation pattern command indicating the obtained fluctuation pattern number is stored in the transmission buffer. To do. As a result, in the control command transmission process of step S112, the jackpot reach command and other variation pattern commands selected at the time of jackpot are transmitted to the effect control unit 300.

  Next, the process proceeds to step S414, and a symbol variation start process for storing in the transmission buffer a control command (variation start command) for designating the effect symbol variation start to the effect control unit 300 is executed, and the process proceeds to step S416. Then, “1” is subtracted from the number of held balls, a series of processing is terminated, and the original processing is restored.

  On the other hand, when it is determined in step S406 that it does not coincide with the jackpot value (No), the process proceeds to step S418, and the off-time stop symbol determining process is executed to determine the mode of the effect symbol to be stopped at the time of loss. The off-time stop symbol determination process is configured in the same manner as in step S410. The difference from step S410 is that a stop symbol determination table for detachment is used.

  Next, the process proceeds to step S420, and a variation pattern determination process at the time of detachment is performed to determine a variation pattern of the effect symbol that is variably displayed at the time of the detachment. The deviation variation pattern determination process is configured in the same manner as in step S412. The difference from step S412 is that a deviation variation pattern determination table is used. Thereby, in the control command transmission process of step S112, the fluctuation pattern command selected at the time of the deviation non-reach command, the deviation reach command or the like is transmitted to the effect control unit 300.

  When the process of step S420 ends, the process proceeds to step S414.

  On the other hand, when it is determined in step S400 that the effect symbol is changing in the symbol display unit 104 (Yes), the process proceeds to step S422.

  In step S422, it is determined whether or not a predetermined time (for example, 30 seconds) has elapsed since the start of the change in the effect design. If it is determined that the predetermined time has elapsed (Yes), the process proceeds to step S424. The symbol stop process for storing in the transmission buffer a control command (design stop command) for designating the stop of the effect symbol to the effect control unit 300 is executed, and the series of processes is terminated and the original process is restored. Let

On the other hand, when it is determined at step S422 that the predetermined time has not elapsed (No) and when it is determined at step S402 that the number of reserved balls is “0” (No), a series of processing is performed. End and return to the original process.
[Electric character control processing]
Next, the electric accessory control process in step S108 will be described.

  FIG. 11 is a flowchart showing the electric accessory control process.

  When the electric accessory control process is executed in step S108, the process proceeds to step S500 as shown in FIG.

  In step S500, it is determined whether or not the jackpot is based on the jackpot flag, and if it is determined that the jackpot is set by setting the jackpot flag (Yes), the process proceeds to step S502.

  In step S502, it is determined whether or not it is time to start the jackpot effect. If it is determined that it is time to start the jackpot effect (Yes), the process proceeds to step S504.

  In step S504, a jackpot presentation start process for storing the jackpot start command in the transmission buffer is executed, and a series of processes is terminated and the process returns to the original process. Thereby, in the control command transmission process of step S112, the jackpot start command is transmitted to the effect control unit 300.

  On the other hand, when it is determined in step S502 that it is not the timing to start the jackpot effect (No), the process proceeds to step S506, where it is determined whether it is the timing to start the round, and the timing to start the round. (Yes), the process proceeds to step S508.

  In step S508, a round start process for storing the round start command in the transmission buffer is executed, a series of processes are terminated, and the original process is restored. Thereby, in the control command transmission process of step S112, the round start command to which the encrypted authentication data is added is transmitted to the effect control unit 300.

  On the other hand, when it is determined in step S506 that it is not the timing to start the round (No), the process proceeds to step S510, where it is determined whether the round is continuing, and it is determined that the round is continuing. If (Yes), the process proceeds to step S512.

  In step S512, a special prize opening / closing control process for controlling the opening / closing of the special prize opening 109 is executed by the special prize opening / closing part 288, and a series of processes is terminated and the process returns to the original process.

  On the other hand, when it is determined in step S510 that the round is not continuing (No), the process proceeds to step S514, where it is determined whether it is time to end the round, and it is determined that it is time to end the round. If yes (Yes), the process proceeds to step S516.

  In step S516, “1” is added to the number of rounds, and the process proceeds to step S518 to determine whether or not the number of rounds exceeds the maximum number of rounds (for example, 15 times). When it determines (No), it transfers to step S520.

  In step S520, a round end process for storing the round end command in the transmission buffer is executed, and a series of processes are ended to return to the original process. Thereby, in the control command transmission process of step S112, the round end command to which the encrypted authentication data is added is transmitted to the effect control unit 300.

  On the other hand, when it is determined in step S518 that the number of rounds exceeds the maximum number of rounds (Yes), the process proceeds to step S522.

  In step S522, a jackpot presentation end process for storing the jackpot end command in the transmission buffer is executed. Thereby, in the control command transmission process of step S112, a jackpot end command is transmitted to the effect control unit 300.

  Next, the process proceeds to step S524, where the jackpot flag is reset, a series of processes are terminated, and the original process is restored.

On the other hand, when it is determined at step S514 that it is not the timing to end the round (No), and when it is determined at step S500 that the big hit flag is not reset because the big hit flag is reset (No), a series of processing To return to the original process.
[Production control processing]
Next, the effect control process executed by the effect control unit 300 will be described.

  CPU302 reads a control program from ROM304, and performs the production | presentation control process shown in the flowchart of FIG. 12 according to the read control program.

  FIG. 12 is a flowchart showing the effect control process.

  When the effect control process is executed by the CPU 302, the process first proceeds to step S600 as shown in FIG.

  In step S600, a control command reception process for receiving a control command from the main control unit 200 is executed, and the process proceeds to step S602 to execute a fluctuation pattern command process for processing a fluctuation pattern command among the received control commands. The process proceeds to S604.

In step S604, a jackpot command process for processing the jackpot command among the received control commands is executed, and the process proceeds to step S606, and other command processes for processing the received control command other than the variation pattern command and the jackpot command. And the process proceeds to step S600.
[Control command reception processing]
Next, the control command reception process in step S600 will be described.

  FIG. 13 is a flowchart showing control command reception processing.

  When the control command receiving process is executed in step S600, the process first proceeds to step S700 as shown in FIG.

  In step S700, it is determined whether or not a control command has been received from the main control unit 200 via the I / F 310. When it is determined that a control command has been received (Yes), the process proceeds to step S702. (No), the process waits in step S700 until a control command is received.

  In step S702, it is determined whether or not the received control command is a jackpot command. If it is determined that the command is a jackpot command (Yes), the process proceeds to step S704, where the encryption added to the received jackpot command is encrypted. Acquisition authentication data is acquired, and the process proceeds to step S706.

  In step S706, a decryption process for decrypting each of the obtained encrypted authentication data is executed by a decryption algorithm corresponding to each of the plurality of encryption algorithms used by the main control unit 200.

  As a decryption algorithm, for example, an exclusive OR with a decryption algorithm A for calculating an exclusive OR with a decryption key A (for example, “0x33”) and a decryption key B (for example, “0x77”) is used. A decoding algorithm B to be operated is used. Here, the decryption algorithm A can decrypt the encryption result encrypted by the encryption algorithm A, and the decryption algorithm B can decrypt the encryption result encrypted by the encryption algorithm B. It is a thing.

  Therefore, in the decryption process, the encrypted authentication data is decrypted by the decryption algorithm A to obtain the verification value A, and the decryption algorithm B is decrypted to obtain the verification value B. One of the verification values A and B matches the verification value (that is, the expected value) generated by the main control unit 200.

  Next, the process proceeds to step S708, the expected value is read from the ROM 304, and the process proceeds to step S710, where it is determined whether any of the verification values obtained by decoding matches the read expected value, When it is determined that the value matches the expected value (Yes), the process proceeds to step S712.

  In step S712, the control command received in step S700 is stored in the reception buffer of the RAM 306, and a series of processing is terminated and the original processing is restored.

  On the other hand, when it is determined in step S710 that the verification value does not match the expected value (No), the process proceeds to step S714, where all the verification values obtained by decoding have been collated with the expected value. If it is determined whether or not the verification has been completed for all the verification values (Yes), the process proceeds to step S716.

  In step S716, the control command received in step S700 is discarded, and the process proceeds to step S718.

  In step S718, a fraud notification process for transmitting a control command (fault notification effect command) for designating a fraud notification effect for performing a fraud notification to the symbol display unit 104, the sound control unit 382, and the lamp control unit 386, respectively. Execute. When the symbol display unit 104, the voice control unit 382, and the lamp control unit 386 receive the fraud notification effect command, the fraud notification effect is performed. In the fraud notification effect, for example, a character that does not normally appear in the symbol display unit 104 appears, or a character appears in a method different from normal. Further, the luminance and color of the symbol display unit 104 may be changed, or the lamp 384 may blink in a predetermined blinking pattern. This makes it easier for employees of pachinko halls to recognize the condition. Further, the fraud notification effect may be performed in a mode in which the player is difficult to recognize the state, or conversely, may be performed in a mode in which the player is easy to recognize. If it is performed in a manner that is easy for the player to recognize, it can be expected that fraud will be stopped.

  When the process of step S718 ends, the series of processes ends and the original process is restored.

  On the other hand, when it is determined in step S714 that the verification has not been completed for all verification values (No), the process proceeds to step S710.

On the other hand, when it is determined in step S702 that the received control command is not a jackpot command (No), the process proceeds to step S718, where the control command received in step S700 is stored in the reception buffer, and the series of processing ends. To return to the original process.
[Variation pattern command processing]
Next, the variation pattern command process in step S602 will be described.

  FIG. 14 is a flowchart showing the variation pattern command processing.

  When the variation pattern command process is executed in step S602, as shown in FIG. 14, first, the process proceeds to step S800.

  In step S800, it is determined whether or not a variation pattern command has been received based on the control command of the reception buffer. When it is determined that the variation pattern command has been received (Yes), the process proceeds to step S802. When it is determined (No), the process waits in step S800 until a variation pattern command is received.

  In step S802, a random number is acquired from a random number counter, the process proceeds to step S804, and one of a plurality of variation effects corresponding to the received variation pattern command is selected based on the acquired random number, and the process proceeds to step S806. Transition.

  In step S806, a variation effect start process for transmitting a control command (variation effect start command) for designating the start of the selected variation effect to the symbol display unit 104, the sound control unit 382, and the lamp control unit 386 is performed. Execute.

  Next, the process proceeds to step S808, where it is determined whether or not a predetermined time (for example, 30 seconds) has elapsed since the transmission of the change effect start command, and when it is determined that the predetermined time has not elapsed (No). Shifts to step S810 to determine whether or not a symbol stop command has been received based on the control command of the reception buffer, and when it is determined that a symbol stop command has been received (Yes), shifts to step S812. .

  In step S812, a variation effect end process is performed in which a control command (variation effect end command) for designating the end of the variation effect is transmitted to the symbol display unit 104, the sound control unit 382, and the lamp control unit 386, respectively. .

  When the process of step S812 ends, the series of processes ends and the original process is restored.

  On the other hand, when it determines with not receiving a symbol stop command by step S810 (No), it transfers to step S808.

  On the other hand, when it is determined in step S808 that the predetermined time has elapsed (Yes), the process proceeds to step S812.

The random number counter can be updated by the above method employed by the main control unit 200. However, the update method is not necessarily the same as that of the main control unit 200.
[Big hit command processing]
Next, the jackpot command processing in step S604 will be described.

  FIG. 15 is a flowchart showing jackpot command processing.

  When the jackpot command process is executed in step S604, the process first proceeds to step S900 as shown in FIG.

  In step S900, it is determined whether or not a jackpot start command has been received based on the control command of the reception buffer. If it is determined that a jackpot start command has been received (Yes), the process proceeds to step S902.

  In step S902, a jackpot effect start process for transmitting a control command (a jackpot effect start command) for designating the start of a jackpot effect to the symbol display unit 104, the sound control unit 382, and the lamp control unit 386 is executed. .

  Next, the process proceeds to step S904, where it is determined whether a round start command is received based on the control command of the reception buffer. When it is determined that the round start command is received (Yes), the process proceeds to step S906. .

  In step S906, a round effect start process for transmitting a control command (round effect start command) for designating the start of the round effect to the symbol display unit 104, the sound control unit 382, and the lamp control unit 386 is executed. .

  Next, the process proceeds to step S908, where it is determined whether a round end command has been received based on the control command of the reception buffer. When it is determined that a round end command has been received (Yes), the process proceeds to step S910. .

  In step S910, a round effect end process for transmitting a control command (round effect end command) for designating the end of the round effect to the symbol display unit 104, the sound control unit 382, and the lamp control unit 386 is executed. The process proceeds to step S904.

  On the other hand, when it is determined in step S908 that the round end command is not received (No), the process proceeds to step S912, where it is determined whether or not the jackpot end command is received based on the control command of the reception buffer. When it is determined that the end command has been received (Yes), the process proceeds to step S914.

  In step S914, a big hit effect ending process is executed for transmitting a control command (big hit effect end command) for designating the end of the big win effect to the symbol display unit 104, the sound control unit 382, and the lamp control unit 386, respectively. Then, the series of processes is terminated and the original process is restored.

  On the other hand, when it is determined in step S912 that the jackpot end command is not received (No), the process proceeds to step S908.

  On the other hand, when it is determined in step S904 that the round start command is not received (No), the process waits in step S904 until the round start command is received.

On the other hand, when it is determined in step S900 that the jackpot start command is not received (No), the process waits in step S900 until the jackpot start command is received.
[Operation of the present embodiment]
Next, the operation of this embodiment will be described.

  FIG. 16 is a diagram showing a sequence of the authentication operation of the pachinko machine.

  First, when power is turned on to the pachinko machine, the main control unit 200 executes an initialization process through step S102. In the initialization process, a power-on command is transmitted. Since the power-on command is a control command other than the jackpot command, as shown in FIG. 16 (outside the dotted frame), through step S210, the effect control unit 300 and the prize ball control unit are added without the encryption authentication data added. 400 is transmitted as it is.

  When the effect control unit 300 receives the power-on command, the effect display unit 104, the sound control unit 382, and the lamp control unit 386 receive the control command for the effect when the power is turned on (specifically, display of a demonstration screen). , The lighting of the lamp 384 and the control command for designating the output of sound) are transmitted respectively.

  When the initialization process is completed, the main control unit 200 repeatedly performs a winning determination process, a jackpot determination process, an electric accessory control process, and a control command transmission process at predetermined intervals through steps S104 to S112. As a result, the pachinko machine is in a playable state. A player can play a game by loading a rented game ball into a pachinko machine and operating the launch unit 482 to fire the game ball onto the game board 101.

  When the game ball launched by the player wins the start winning opening 105, the main control unit 200 acquires a jackpot determination random number at the winning timing through steps S306 and S312. Then, after steps S404 and S406, if the acquired random number value matches the jackpot value, it is a jackpot.

  When the jackpot is reached, the stop symbol mode and the variation pattern at the jackpot are determined through steps S410 and S412. At this time, when it is determined to perform the reach effect, in the control command transmission process, a symbol designation command for designating a jackpot symbol and a jackpot reach command are transmitted. Since the jackpot reach command is a control command other than the jackpot command, as shown in FIG. 16 (outside the dotted line frame), it passes through step S210 and is transmitted as it is to the effect control unit 300 without adding the encrypted authentication data. .

  When the effect control unit 300 receives the jackpot reach command, the process at the time of jackpot reach change is executed based on the received jackpot reach command through steps S802 to S812.

  In the main control unit 200, through steps S414 and S424, the effect symbols are variably displayed with a predetermined variation pattern, and after a part of the effect symbols is stopped with the reach symbol, the effect symbols are stopped with the jackpot symbol. When the effect symbol stops, a jackpot start command is transmitted in the control command transmission process. Since the jackpot start command is a control command other than the jackpot command, as shown in FIG. 16 (outside the dotted frame), through step S210, the encrypted authentication data is not added to the effect control unit 300 as it is. .

  When the effect control unit 300 receives the jackpot start command, the process at the time of starting the jackpot effect is executed based on the received jackpot start command through step S902.

  During the big hit, the round continues until the predetermined condition is satisfied with the maximum number of rounds as the upper limit. In the control command transmission process, a jackpot command is transmitted at the start and end of a round. As shown in FIG. 16 (inside the dotted frame), the jackpot command is transmitted to the effect control unit 300 with the encryption authentication data added through steps S204 to S208.

In transmitting the jackpot command, first, authentication data including a verification value is generated. The authentication data is encrypted by any one of a plurality of encryption algorithms. For example, when the verification value is “0x12” and the encryption algorithm A is selected, encrypted authentication data “0x21” is obtained by the following equation (1).

0x21 = 0x12 xor 0x33 (1)

Upon receiving the jackpot command, the production control unit 300 acquires encrypted authentication data added to the received jackpot command through steps S704 and S706, and the acquired encrypted authentication data is obtained by a plurality of decryption algorithms. Each is decrypted.

First, when the encrypted authentication data “0x21” obtained by the above equation (1) is decrypted by the decryption algorithm A, the verification value “0x12” is obtained by the following equation (2).

0x12 = 0x21 xor 0x33 (2)

Second, when the encrypted authentication data “0x21” obtained by the above equation (1) is decrypted by the decryption algorithm B, the verification value “0x56” is obtained by the following equation (3).

0x56 = 0x21 xor 0x77 (3)

When the verification value is obtained, an expected value “0x12” that is the same value as the verification value generated by the main control unit 200 is read through step S708. Then, through steps S710 and S714, each verification value obtained by decoding is collated with an expected value. At this time, since the verification value “0x12” obtained by the above equation (2) matches the expected value “0x12”, authentication is obtained, and the jackpot command is stored in the reception buffer through step S712. Then, through steps S906 and S910, processing during the jackpot presentation is executed based on the received jackpot command.

  On the other hand, if an unauthorized act such as an unauthorized control board is connected between the main control board and the production control board, even if the unauthorized control board sends a jackpot command to the production control board, In the production control unit 300, since the encrypted authentication data is not added to the jackpot command, the verification value does not match the expected value, and there is a high possibility that authentication will not be obtained. As a result, the received control command is discarded through steps S716 and S718, and the fraud notification process is executed.

  Even if an unauthorized control board adds some authentication data and transmits a jackpot command to the production control board, the production control unit 300 cannot obtain an appropriate verification value by any decoding algorithm. There is a high possibility that the value does not match the expected value and authentication is not obtained.

  In addition, during the big hit, the big winning opening 109 is opened with a predetermined opening / closing pattern, and when a gaming ball wins the big winning opening 109, a predetermined number of gaming balls are paid out as one winning ball.

  When the final round ends, a jackpot end command is transmitted in the control command transmission process. Since the jackpot end command is a control command other than the jackpot command, as shown in FIG. 16 (outside the dotted frame), through step S210, the encrypted authentication data is not added to the effect control unit 300 as it is. .

  When the effect control unit 300 receives the jackpot end command, the process at the time of the end of the jackpot effect is executed based on the received jackpot end command through step S914.

  On the other hand, if the acquired random number value does not coincide with the jackpot value through steps S404 and S406, the result is a loss.

  When it comes off, through steps S418 and S420, the mode and variation pattern of the stop symbol at the time of loss are determined. At this time, when it is determined to perform the reach effect, in the control command transmission process, a symbol designating command and a missed reach command for designating a missed symbol (or an effect of becoming a missed symbol) are transmitted. On the other hand, when it is determined not to perform the reach effect, the symbol designation command and the off-reach non-reach command are transmitted in the control command transmission process. Since the outlier reach command or outlier non-reach command is a control command other than the jackpot command, as shown in FIG. 16 (outside the dotted frame), through step S210, the effect control unit 300 is performed without adding encrypted authentication data. Sent as is.

  When the production control unit 300 receives the outlier reach command or the outlier nonreach command, the process at the time of deviation fluctuation is executed based on the received outlier reach command or outlier nonreach command through steps S802 to S812.

  On the other hand, when the game is interrupted, the main control unit 200 executes a customer waiting demonstration execution process. In the control command transmission process, a customer waiting demo command is transmitted. Since the customer waiting demonstration command is a control command other than the jackpot command, as shown in FIG. 16 (outside the dotted line frame), it passes through step S210 and is transmitted as it is to the effect control unit 300 without adding the encryption authentication data. The

  When the production control unit 300 receives the customer waiting demonstration command, the customer waiting demonstration control command is transmitted to the symbol display unit 104, the voice control unit 382, and the lamp control unit 386 as processing at the time of the customer waiting demonstration start. Is done.

  Thereafter, when the game is resumed, a customer waiting demonstration stop command is transmitted in the control command transmission process. Since the customer waiting demonstration stop command is a control command other than the jackpot command, as shown in FIG. 16 (outside the dotted line frame), it passes through step S210 and is transmitted as it is to the effect control unit 300 without adding the encrypted authentication data. Is done.

When the production control unit 300 receives the customer waiting demonstration stop command, a control command for the customer waiting demonstration is sent to the symbol display unit 104, the voice control unit 382, and the lamp control unit 386 as processing at the time of the customer waiting demonstration end. Sent.
[Effect of this embodiment]
In this way, in the present embodiment, main controller 200 encrypts the authentication data using one of a plurality of encryption algorithms, adds encrypted encrypted authentication data, and controls the jackpot command. The effect control unit 300 receives the jackpot command, and the encryption added to the received jackpot command by the decryption algorithm corresponding to each of the plurality of encryption algorithms used by the main control unit 200. The authentication authentication data is decrypted, and authentication is performed based on the decryption result.

  As a result, the main control unit 200 adds the encrypted authentication data and transmits the jackpot command, and the effect control unit 300 performs authentication based on the authentication data from the main control unit 200. In addition, it is possible to reduce the possibility of an illegal act such as an unauthorized control board being connected between the main control board and the effect control board.

  Further, in the production control unit 300, the encrypted authentication data is respectively decrypted and authenticated by a plurality of decryption algorithms, so that the main control unit 200 and the production control unit 300 select the encryption algorithm and the decryption algorithm. Therefore, the main control unit 200 can select an encryption algorithm based on arbitrary information or rules that do not depend on the presentation control unit 300. Further, since the jackpot command itself is not encrypted, but encrypted authentication data is added to the jackpot command, any data that does not depend on the contents of the jackpot command can be adopted as the authentication data. Therefore, the security strength can be improved as compared with the conventional case.

  In addition, for pachinko machines, there is a restriction on the data capacity of the ROM 204 of the main control unit 200 due to the application of rules relating to gaming machines, so that the main control unit 200 can perform complicated processing to improve the security strength. Have certain limits. On the other hand, in the present embodiment, the decryption process is complicated while simplifying the encryption process, and moreover, the production control unit 300 with less restrictions on the data capacity of the ROM 304 is performed. , Security strength can be improved.

  Furthermore, since the encrypted authentication data is added to the jackpot command and transmitted, the possibility that the encrypted authentication data is extracted from the communication data can be reduced compared to the case where the encrypted authentication data is transmitted alone. it can.

  In addition, since the encrypted authentication data is added to the jackpot command that is sent when the jackpot is sent, authentication can be performed in the event of a jackpot that is likely to be fraudulent. The possibility can be effectively reduced.

  Furthermore, since the authentication is performed when the jackpot command is transmitted, the processing load on the main control unit 200 and the effect control unit 300 can be reduced as compared with the case where the authentication is performed every transmission of each control command. Therefore, the present invention can also be applied to a pachinko machine in which the main control unit 200 or the production control unit 300 does not have a high processing capacity or a pachinko machine with a large processing load.

  Furthermore, since the jackpot command is transmitted a plurality of times during the jackpot, the authentication can be performed a plurality of times during the jackpot. Therefore, it is possible to further reduce the possibility of cheating.

  Furthermore, in the present embodiment, main controller 200 selects an encryption algorithm for each transmission of jackpot command.

  Thereby, the security strength can be further improved.

  Further, in the present embodiment, main controller 200 randomly selects an encryption algorithm.

  Thereby, the security strength can be further improved.

  Further, in the present embodiment, main controller 200 generates authentication data based on the data of the control program stored in ROM 204.

  As a result, it is possible to reduce the possibility of an illegal act such as replacing the regular main control board with an unauthorized main control board or altering the control program in the ROM 204.

  Furthermore, in the present embodiment, effect control unit 300 determines whether or not the received control command is a jackpot command, and if it is determined that it is a jackpot command, the encryption added to the received jackpot command Acquire authentication data.

  Thereby, the production control unit 300 may acquire the encrypted authentication data when it is determined that the received control command is a jackpot command without attempting to acquire the encrypted authentication data for each control command. Thus, the processing load on the production control unit 300 can be reduced.

  Furthermore, in the present embodiment, effect control unit 300 performs fraud notification when authentication is not obtained.

  Thereby, it is possible to grasp that there is a possibility that an illegal act has been performed.

In the above embodiment, the symbol display unit 104 corresponds to the symbol display means of the first aspect , the ROM 204 corresponds to the storage means of the sixth aspect , and step S204 corresponds to the authentication data generating means of the sixth aspect. The encryption unit 222 and step S206 correspond to the encryption means of the invention 1, 3 , 4 , 6 or 11 . Step S206 corresponds to the encryption step of the invention 13 or 15 , the transmission unit 224 and step S208 correspond to the transmission means of the invention 1, 8 or 11 , and step S208 corresponds to the transmission step of the invention 13 or 15 . Steps S306, S312, S404, and S406 correspond to the lottery means of the first aspect .

In the above embodiment, Steps S412, S414, and S420 correspond to the variable display control means of Invention 1 , and Steps S408, S410, and S424 correspond to the special prize state generating means of Invention 1 , and the receiving unit 320 and Step S700 corresponds to the receiving means of the invention 1, 8 or 12 . Step S700 corresponds to the reception step of the invention 14 or 15 , step S702 corresponds to the determination means of the invention 8 , and step S704 corresponds to the acquisition means of the invention 8 , the decoding unit 322 and the step S706. Corresponds to the decoding means of the invention 1, 2 , 8 or 12 .

Further, in the above embodiment, step S706 corresponds to the decryption step of invention 14 or 15 , and authentication unit 324 and steps S708, S710, S714 correspond to the authentication means of invention 1, 2 , 10 or 12. Steps S708, S710, and S714 correspond to the authentication step of the invention 14 or 15 . Step S718 corresponds to the notification means of the tenth aspect .
[Other Embodiments]
In the above embodiment, the main control unit 200 is configured to select the encryption algorithm for each transmission of the jackpot command. However, the present invention is not limited to this, and the encryption algorithm is used for each predetermined transmission unit of the jackpot command. Can also be configured to select.

  As a configuration for selecting every predetermined transmission unit, for example, a configuration in which a jackpot command is selected every time n is transmitted (n is an integer of 2 or more), a start or unit with a jackpot command transmitted within a predetermined time as a unit, or It is possible to adopt a configuration in which selection is made at each end.

  Thereby, security strength can be improved.

  In the above embodiment, the main control unit 200 is configured to randomly select the encryption algorithm. However, the present invention is not limited to this, and the main control unit 200 is not limited to this. It can also be configured to do.

  As a configuration performed in the predetermined order, for example, a configuration in which the encryption algorithms A and B are alternately used can be employed.

  As a configuration to be performed at a predetermined cycle, for example, a configuration in which the encryption algorithm is changed every time the encryption processing is performed m (m is an integer of 1 or more), and n1 (n1 is an integer of 1 or more) encryption processing A configuration in which one of the encryption algorithms A and B is used and the other of the encryption algorithms A and B is used for subsequent n2 (n2 is an integer of 1 or more) encryption processing can be employed.

  For example, when the number of times of encryption processing is a multiple of n (n is an integer of 2 or more), one of the encryption algorithms A and B is used as the configuration to be performed based on the number of times of encryption processing. In some cases, a configuration using the other of the encryption algorithms A and B or an arbitrary encryption algorithm can be employed.

  Thereby, security strength can be improved.

  In the above embodiment, the main control unit 200 is configured to encrypt the authentication data based on the encryption keys A and B. However, the present invention is not limited to this, and dynamically generated information and other additional information The authentication data can also be configured to be encrypted based on the above.

When the additional information is “0x01”, the above expressions (1) to (3) can be transformed into the following expressions (4) to (6).

0x20 = (0x12 + 0x01) xor 0x33 (4)
0x12 = (0x20 xor 0x33)-0x01 (5)
0x56 = (0x20 xor 0x77)-0x01 (6)

Thereby, the security strength can be further improved.

  As an example in which the additional information is further embodied, the following configuration can be employed.

  The main control unit 200 generates operation check information indicating an operation sequence of the main control unit 200, and encrypts authentication data based on the generated operation check information. The operation confirmation information is, for example, a value that is counted up every predetermined period.

  The effect control unit 300 generates operation confirmation information in synchronization with the operation of the main control unit 200, and decrypts the encrypted authentication data based on the generated operation confirmation information.

  As a result, the production control unit 300 can authenticate that the operation sequence of the main control unit 200 is normal, so that an unauthorized CPU provided in the main control board is playing during the game as compared with the conventional case. It is possible to reduce the possibility of fraudulent acts such as modification of the main control board so as to operate in place of the regular CPU 202. In other words, when an unauthorized CPU operates while replacing the regular CPU 202 during a game, the continuity of the operation confirmation information is cut off, so that the production control unit 300 cannot obtain an appropriate verification value. Therefore, there is a high possibility that the verification value does not match the expected value and authentication cannot be obtained.

  In the above embodiment, the main control unit 200 is configured to generate the authentication data based on the control program data in the ROM 204. However, the present invention is not limited to this, and the control program data and the authentication data are added. The authentication data may be generated on the basis of the jackpot command transmitted in this manner. Alternatively, the authentication data can be generated based on the jackpot command transmitted with the authentication data added without using the control program data.

  Thereby, in the production | presentation control part 300, since it can authenticate that the jackpot command is a regular thing, possibility that a fraudulent act will be performed can further be reduced.

  Further, in the above embodiment, the main control unit 200 is configured to calculate the verification value based on part or all of the data of the control program. The verification value may be calculated based on data and other data (for example, data other than the control program stored in the ROM 204).

  Thereby, the security strength can be further improved.

  Moreover, in the said embodiment, the production | presentation control part 300 determines whether the received control command is a jackpot command, and when it determines with it being a jackpot command, it is comprised so that encryption authentication data may be acquired. However, not limited to this, it is determined whether or not encrypted authentication data is added to the received control command, and if it is determined that encrypted authentication data is added, the encrypted authentication data is acquired. It can also be configured as follows.

  As a result, the production control unit 300 does not attempt to acquire the encrypted authentication data for each control command, and the encrypted authentication data is determined when it is determined that the encrypted authentication data is added to the received control command. Since it only needs to be acquired, the processing load of the effect control unit 300 can be reduced.

  In the above embodiment, the main control unit 200 is configured to add the encrypted authentication data to both the round start command and the round end command. However, the present invention is not limited to this, and only one of them is added. It can also be configured.

  In the above embodiment, the main control unit 200 is configured to add encrypted authentication data to the jackpot command. However, the present invention is not limited to this, and the encryption authentication is performed on one or more types of control commands other than the jackpot command. It can also be configured to append data. Other control commands include, for example, a power-on command, a power-off command, a customer waiting demo command, a customer waiting demo stop command, a missed non-reach command, a missed reach command, a jackpot reach command, a jackpot start command, a jackpot end command, A designation command, a change start command, and a symbol stop command can be considered.

  In this case, a control command to which encrypted authentication data is added can be selected in consideration of the balance between security strength and processing load. That is, if the control command has a high transmission frequency, the number of authentications per unit time increases, so the processing load increases but the security strength increases. Conversely, if the control command has a low transmission frequency, the number of authentications per unit time decreases, so the security strength decreases but the processing load decreases. Therefore, a control command with a high transmission frequency is selected in a scene where the security strength is to be increased, and a control command with a low transmission frequency is selected in a scene where the processing load is to be reduced. These scenes may be set in a table or the like as desired and held in the main control unit 200, for example. For example, it is possible to set a day or time zone in which the player is expected to exceed a predetermined number to a scene where the security strength is desired to be increased and to set a scene where the processing load is desired to be reduced on other days or time periods. .

In the above embodiment, the fixed encryption algorithm and the decryption algorithm are used. However, the present invention is not limited to this, and the dynamic encryption algorithm and the decryption algorithm are used. You can also. For example, the following two configurations can be employed.
(1) First Configuration In the first configuration, the encrypted authentication data obtained by encrypting plaintext A based on the encryption key X using the encryption algorithm f is defined as f (A, X), and the first time Generates and transmits f (X1, X2) based on the encryption keys X1, X2.

  In the second time, f (A1, X1orX2) is generated and transmitted based on either plaintext A1 (current authentication data) and encryption keys X1 and X2. The production control unit 300 cannot decrypt the second encrypted authentication data unless the first encrypted authentication data is obtained.

  Similarly, in the third time, f (A2, X1orX2orA1) is generated and transmitted based on the plaintext A2 (authentication data of this time) and any one of the encryption keys X1, X2 and plaintext A1. The effect control unit 300 cannot decrypt the third encrypted authentication data unless the first and second encrypted authentication data are obtained.

Thereby, in order to obtain authentication in the production control unit 300, the production control unit 300 needs to acquire all the encrypted authentication data transmitted from the main control unit 200, so that the security strength can be further improved. it can.
(2) Second Configuration In the second configuration, encrypted authentication data obtained by encrypting plaintext A based on the encryption key X using the encryption algorithm f is defined as f (A, X), and the first time Generates and transmits f (A1, X1) based on the plaintext A1 (current authentication data) and the encryption key X1. The main control unit 200 and the production control unit 300 generate the encryption key X2 based on the plaintext A1 and the encryption key X1 using the same encryption key generation algorithm.

  The second time generates and transmits f (A2, X1orX2) based on either plaintext A2 (current authentication data) and encryption keys X1 and X2. The main control unit 200 and the production control unit 300 generate the encryption key X3 based on at least two of the plaintexts A1 and A2 and the encryption keys X1 and X2 by the same encryption key generation algorithm.

  Similarly, in the third time, f (A3, X1orX2orX3) is generated and transmitted based on one of the plaintext A3 (current authentication data) and the encryption keys X1 to X3. The main control unit 200 and the production control unit 300 generate the encryption key X4 based on at least two of the plaintexts A1 to A3 and the encryption keys X1 to X3 by the same encryption key generation algorithm.

  Thereby, in order to obtain authentication in the production control unit 300, the production control unit 300 needs to acquire all the encrypted authentication data transmitted from the main control unit 200, so that the security strength can be further improved. it can.

  Moreover, in the said embodiment, although comprised so that it might authenticate between the main control part 200 and the production | presentation control part 300, not only this but the main control part 200 by the point similar to the said embodiment. Can be configured to perform authentication between the effect control unit 300 and the symbol display unit 104, the voice control unit 382, or the lamp control unit 386. When performing between the main control unit 200 and the prize ball control unit 400, the main control unit 200 transmits a jackpot command to the prize ball control unit 400.

  In the above embodiment, it is configured to determine whether or not the verification value matches the expected value. However, not limited to this, it is determined whether or not the verification value and the expected value have a predetermined relationship. It can also be configured to. Here, the predetermined relationship is, for example, that the verification value matches the expected value, that the calculated value obtained by calculating one of the verification value and the expected value by a predetermined calculation method matches the other, And the expected value has a magnitude relationship and other correlations.

  In the above embodiment, the encrypted authentication data is added after the jackpot command. However, the present invention is not limited to this, and the encrypted authentication data may be added before the jackpot command. The encrypted authentication data may be added via other data (for example, dummy data). Further, one of the jackpot command and the encrypted authentication data may be transmitted after a predetermined time has elapsed, and the other may be transmitted, or access information necessary for accessing the encrypted authentication data instead of the encrypted authentication data (for example, , Link information) may be added.

  Further, in the above embodiment, the production control unit 300 is configured to perform authentication for each transmission of the jackpot command. However, the present invention is not limited to this, and the authentication data is held and held at a predetermined timing. It is also possible to perform a collective authentication based on a plurality of authentication data.

  For example, when the first control data is received together with the first jackpot command, the effect control unit 300 performs processing based on the first jackpot command without performing authentication. Then, when the second control data is received together with the second jackpot command, the effect control unit 300 performs authentication using the first authentication data before performing the process based on the second jackpot command. At this time, the production control unit 300 may perform authentication using both the first authentication data and the second authentication data. In this way, if authentication is performed at the time when a plurality of authentication data is received, the possibility of erroneous authentication being obtained when extra data is added to the jackpot command due to an error is reduced. Can do.

  Moreover, in the said embodiment, although the production | presentation control part 300 was comprised so that each fraud notification production | presentation command might be transmitted with respect to the symbol display part 104, the audio | voice control part 382, and the lamp | ramp control part 386, it is not restricted to this, A fraud notification signal may be transmitted to a management device that manages the pachinko machine. At this time, the fraud notification signal can include game state information relating to the gaming state of the pachinko machine, such as “big hit” or “probability changing”. And in a management apparatus, you may determine the presence or absence of cheating based on game state information. For example, during a jackpot or probability change, even if winnings are concentrated, it may be normal. Therefore, it is preferable to determine the presence / absence of fraudulent activity under conditions different from those of other gaming states during jackpots and probability fluctuations. Further, the game state information may be transmitted as a separate signal without being included in the fraud notification signal. In this case, the employee of the pachinko hall determines the presence or absence of fraud based on both the fraud notification signal and the gaming state information.

  Further, in the above embodiment, the case where the control program stored in advance in the ROM 204 is executed when executing the game control processing shown in the flowcharts of FIGS. 7 to 11 is not limited to this. The program may be read from the storage medium storing the program showing these procedures into the RAM 206 and executed. The same applies to the effect control process shown in the flowcharts of FIGS.

  Here, the storage medium is a semiconductor storage medium such as RAM or ROM, a magnetic storage type storage medium such as FD or HD, an optical reading type storage medium such as CD, CDV, LD, or DVD, or a magnetic storage type such as MO. / Optical reading type storage media, including any storage media that can be read by a computer regardless of electronic, magnetic, optical, or other reading methods.

  In the above embodiment, the case where the present invention is applied to a pachinko machine has been described. However, the present invention is not limited to this, and the present invention is also applicable to a pachislot machine, an amusement game machine, and other gaming machines without departing from the gist of the present invention. Applicable.

1 is a front view of a game board 101. FIG. 2 is a block diagram showing a configuration of a game control device 100. FIG. FIG. 4 is a functional block diagram showing an outline of functions of a main control unit 200 and an effect control unit 300. It is a figure which shows the data structure of a normal control command and a control command with authentication data. 6 is a diagram illustrating a data structure of a control command 500. FIG. It is a figure which shows the content of the control command transmitted from the main control part. It is a flowchart which shows a game control process. It is a flowchart which shows a control command transmission process. It is a flowchart which shows a winning determination process. It is a flowchart which shows a jackpot determination process. It is a flowchart which shows an electric accessory control process. It is a flowchart which shows production control processing. It is a flowchart which shows a control command reception process. It is a flowchart which shows a fluctuation pattern command process. It is a flowchart which shows a jackpot command process. It is a figure which shows the sequence of the authentication operation | movement of a pachinko machine. It is explanatory drawing which shows the outline | summary of the fraud prevention technique by a prior art. It is explanatory drawing which shows the outline | summary of the fraud prevention technique by a prior art.

Explanation of symbols

DESCRIPTION OF SYMBOLS 101 ... Game board, 102a, 102b ... Rail, 103 ... Game area, 104 ... Symbol display part, 105 ... Start winning opening, 106 ... Winning gate, 107 ... Normal winning opening, 108 ... Collection opening, 109 ... Large winning opening, DESCRIPTION OF SYMBOLS 100 ... Game control apparatus 200 ... Main control part 202, 302, 402 ... CPU, 204, 304, 404 ... ROM, 206, 306, 406 ... RAM, 210, 310, 410 ... I / F, 220 ... Authentication data Generating unit 222 ... Encryption unit 224 ... Transmitting unit 280 ... Start winning port detecting unit 282 ... Gate detecting unit 284 ... Normal winning port detecting unit 286 ... Large winning port detecting unit 288 ... Opening of large winning port , 300 ... Production control unit, 308 ... VRAM, 320 ... reception unit, 322 ... decryption unit, 324 ... authentication unit, 326 ... notification unit 380 ... speaker, 382 ... voice control unit, 384 ... lamp, 386 ... lamp control unit, 400 ... winning balls controller, 480 ... supplying section, 482 ... firing unit, 500 ... control commands 502 ... encrypted authentication data

Claims (15)

A gaming machine comprising a main control board that performs main control of a game and a peripheral board that operates under the control of the main control board,
The main control board is
Lottery means for performing lottery with the establishment of a predetermined condition;
Fluctuation display control means for performing control to display the symbols in a variable manner by the symbol display means;
Based on the lottery result of the lottery means, the special state generating means for generating the special state after stopping the symbol in a predetermined manner;
An encryption means for encrypting the authentication data by any one of a plurality of encryption algorithms;
The jackpot command for designating the special prize state is associated with the encrypted authentication data encrypted by the encryption unit, and continuously transmitted to the peripheral board corresponding to each round of the special prize state. Transmission means,
The peripheral substrate is
Receiving means for receiving the command;
Decryption means for decrypting the encrypted authentication data associated with the jackpot command received by the reception means by a decryption algorithm corresponding to each of the plurality of encryption algorithms;
A gaming machine comprising authentication means for performing authentication based on a decryption result of the decryption means. In claim 1,
The gaming machine according to claim 1, wherein the authentication unit determines whether any of a plurality of decryption results obtained by the decryption unit satisfies an authentication condition. In any one of Claim 1 and 2,
The encryption means selects any one of the plurality of encryption algorithms for each transmission of the jackpot command or for each predetermined transmission unit, and encrypts the authentication data with the selected encryption algorithm. A featured gaming machine. In claim 3,
The gaming machine, wherein the encryption unit selects the encryption algorithm at random, in a predetermined order or in a predetermined cycle, or based on the number of times of encryption by the encryption unit. In any one of Claims 1 thru | or 4,
The main control board further includes:
First operation confirmation information generating means for generating operation confirmation information indicating an operation sequence of the main control board;
The peripheral substrate further includes:
Second operation confirmation information generating means for generating the operation confirmation information;
The encryption unit encrypts the authentication data based on the operation confirmation information generated by the first operation confirmation information generation unit,
The game machine characterized in that the decryption means decrypts the encrypted authentication data based on the operation confirmation information generated by the second operation confirmation information generation means. In any one of Claims 1 thru | or 5,
The main control board further includes:
Storage means for storing a control program for causing the main control board to execute game control processing for performing main control of the game;
Authentication data generation means for generating the authentication data based on control program data of the storage means,
The gaming machine characterized in that the encryption means encrypts the authentication data generated by the authentication data generation means. In claim 6,
The gaming machine according to claim 1, wherein the authentication data generating means generates the authentication data based on the control program data and the jackpot command transmitted in association with the authentication data. In any one of Claims 1 thru | or 7,
The transmission means transmits the jackpot command in association with the encrypted authentication data,
The peripheral substrate further includes:
Determining means for determining whether or not the command received by the receiving means is the jackpot command;
When the determination means determines that the jackpot command, the acquisition means for acquiring encrypted authentication data associated with the jackpot command,
The game machine, wherein the decryption means decrypts the encrypted authentication data acquired by the acquisition means. In any one of Claims 1 thru | or 7,
The transmission means transmits the jackpot command in association with the encrypted authentication data,
The peripheral substrate further includes:
Determining means for determining whether or not the encrypted authentication data is associated with the jackpot command received by the receiving means;
When it is determined by the determination means that the encrypted authentication data is associated, the acquisition means acquires the encrypted authentication data,
The game machine, wherein the decryption means decrypts the encrypted authentication data acquired by the acquisition means. In any one of Claims 1 thru | or 9,
The peripheral substrate further includes:
A gaming machine comprising notification means for making a notification when authentication is not obtained by the authentication means. A main control board for controlling the peripheral board according to claim 1,
An encryption means for encrypting the authentication data by any one of a plurality of encryption algorithms;
A main control board comprising: a transmission means for transmitting the jackpot command to the peripheral board in association with the encrypted authentication data encrypted by the encryption means. A peripheral board that operates by controlling the main control board according to claim 1,
Receiving means for receiving the jackpot command from the main control board;
Decryption means for decrypting encrypted authentication data associated with the jackpot command received by the reception means by a decryption algorithm corresponding to each of a plurality of encryption algorithms used by the main control board;
A peripheral board comprising: authentication means for performing authentication based on a decryption result of the decryption means. An authentication program for causing a main control board to execute according to claim 11 comprising a computer,
An encryption step of encrypting the authentication data with any of a plurality of encryption algorithms;
A program for causing the main control board to execute processing including a transmission step of transmitting the jackpot command to a peripheral board in association with the encrypted authentication data encrypted in the encryption step. Authentication program. An authentication program for causing a peripheral board to execute according to claim 12, comprising a computer.
Receiving the jackpot command from the main control board;
A decryption step for decrypting encrypted authentication data associated with the jackpot command received in the reception step by a decryption algorithm corresponding to each of a plurality of encryption algorithms used by the main control board;
An authentication program characterized by being a program for causing the peripheral board to execute a process including an authentication step of performing authentication based on a decryption result in the decryption step. An authentication method applied to a gaming machine comprising a main control board that performs main control of a game and a peripheral board that operates under the control of the main control board,
For the main control board,
An encryption step of encrypting the authentication data with any of a plurality of encryption algorithms;
Transmitting the jackpot command to the peripheral board in association with the encrypted authentication data encrypted in the encryption step,
For the peripheral substrate,
Receiving the jackpot command; and
A decrypting step for decrypting encrypted authentication data associated with the jackpot command received in the receiving step by a decryption algorithm corresponding to each of the plurality of encryption algorithms;
And an authentication step of performing authentication based on the decryption result in the decryption step.

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