| CPC G07D 11/32 (2019.01) [G07D 11/22 (2019.01)] | 12 Claims |
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1. A method for managing a money handling device including
a feeder configured to feed money to be handled,
a transport member having a transport path connected to the feeder and configured to transport money,
a receiver connected to the transport path and configured to receive money,
a recognition circuit positioned between the feeder and the receiver on the transport path and configured to recognize money, and
a mount to which a first board or a second board is detachably mounted, a memory detachably attached to the first board or the second board, the memory configured to store information to be used in money handling and each of the first board and the second board configured to output, using the information read from the memory, a control signal for operating the feeder, the receiver, the transport member, and the recognition circuit to execute the money handling, the method comprising:
holding a first key which is an encryption and decryption key unique to the first board by the first board,
holding a second key which is an encryption and decryption key unique to the second board by the second board,
holding a third key which is a common encryption and decryption key by each of the first board and the second board,
encrypting the information using the first key, and storing the encrypted information in the memory by the first board, and
encrypting the first key using the third key, and storing the encrypted first key in the memory by the first board.
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