Information Processing Device, Information Processing Method and Program
PROBLEM TO BE SOLVED: To establish a method that effectively functions even when a falsification detection method becomes publicly known or a detection program code itself is falsified, as a new countermeasure technique against falsification of operation history.SOLUTION: A vibration information acquisition unit 111 acquires, from a player terminal 1, vibration history information showing time series of detection results by a vibration detection unit 31 of the player terminal 1. An operation information acquisition unit 113 acquires, from the player terminal 1, vibration history information showing time series of detection results by a touch operation input unit 26 of the player terminal 1. An operation information legitimacy determination unit 114 determines legitimacy of the operation history information by comparing the operation history information acquired by the operation information acquisition unit 113 with the vibration history information that has been determined to be legitimate by a vibration information legitimacy determination unit 112.
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