ELECTRONIC EQUIPMENT, GAME MACHINE, MAIN CONTROL BOARD, PERIPHERAL BOARD AND AUTHENTICATION METHOD AND PROGRAM

摘要

PROBLEM TO BE SOLVED: To prevent fraudulence committed onto electronic equipment which has a peripheral part for conducting a prescribed processing based on a control command transmitted from the main control part. SOLUTION: An authentication value generation part 313 of the main control board 310 selects a prescribed dyadic operation out of a plurality of those satisfying an associative law to divide data into partitions by a partition number and a prescribed dyadic operation is performed on each of the data divided to generate authentication values according to the partition number. A certification part 323 of a peripheral board 320 selects a prescribed dyadic operation and carries out a dyadic operation for each of the authentication values received to certify the main control board 310 based on the result of the operation and a corresponding operand stored at an operand memory part 322. The dyadic operation to be used for the subsequent authentication is selected based on the partition number or the number of the authentication values (number of associative connections) subjected to the dyadic operation when the certification of the main control board 310 is established. COPYRIGHT: (C)2011,JPO&INPIT