| 摘要 |
PROBLEM TO BE SOLVED: To improve the secrecy of communication between control boards by simple configuration.SOLUTION: The game machine of the present invention, on a main control board side, determines an arrangement order lottery random number by a lottery, refers to a rearrangement table, determines an arrangement order based on the arrangement order lottery random number, rearranges partial data of a transmission unit command in accordance with the determined arrangement order, and sends the data. The game machine, on a sub control board side, refers to an arrangement decryption table corresponding to the rearrangement table, identifies one arrangement order based on the arrangement order lottery random number, and decrypts the rearranged partial data of the transmission unit command into the arrangement before the rearrangement in accordance with the identified arrangement order. Thus the secrecy of communication can be improved. |
