| 摘要 |
There is provided a secret information collation method used between electronic apparatuses including a portable electronic device (2) and an information processing device (1), the portable electronic device including an arithmetic processing section (9) and a memory section (11) for storing therein a processing program to be executed by said arithmetic processing section and first secret information, the portable electronic device collating second secret information inputted from the outside with the first secret information and performing predetermined operation in response to an operation request from the outside satisfying predetermined secret information relationship, the information processing device transmitting the second secret information to the electronic device and addressing the operation request to the electronic device, the secret information collation method comprising the steps of outputting, from the electronic device to the information processing device, a request for transmission of the second secret information, transmitting the second secret information from the information processing device to the electronic device upon input of the transmission request from the electronic device to the information processing device, collating in the electronic device, the second secret information with the first secret information stored in the memory section (11) of the electronic device upon input of the second secret information, and responding to the operation request addressed from the infomation processing device upon recognition of satisfaction of predetermined secret information relationship. Further, a portable electronic device (2) according to the present invention includes an arithmetic processing section (9) and a memory section (11) for storing therein a processing program to be executed by the arithmetic processing section and first secret information such as a secret identification number. The memory section (11) stores therein a secret information input processing program (11a) for calling upon an external information processing device to transfer second secret information corresponding to the first secret information, and a secret information collation program (11b). |
