To provide a game machine for improving security strength.
A main control unit includes: an output means of outputting a control command; a first generation means of generating a single inspection value generated through the use of the control command output in the prescribed past, and a cumulative inspection value generated through the use of the control commands output in the past; a first decision means of deciding which of the single inspection value and the cumulative inspection value is to be added to the control command according to the control command output this time; and a transmission means of adding an error inspection value according to decision by the first decision means to the control command for transmitting to a peripheral part. The peripheral part includes: a second generation means of generating the single inspection value and the cumulative inspection value; a second decision means of deciding which of the two inspection values is to be used for the present error inspection; and an inspection means of inspecting validity of the control command transmitted this time by using the error inspection value transmitted this time, and the error inspection value according to decision by the second decision means.
MIZUKAMI HIROSHI
YOKOSHIMA MOTONARI
CHO SHIZUKA
TRINITY SECURITY SYSTEMS INC
| JP2010279802A | 2010-12-16 | |||
| JP2005137926A | 2005-06-02 | |||
| JP2010279802A | 2010-12-16 | |||
| JP2005137926A | 2005-06-02 |