Importance

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Abstract

A secret information collation method is used between electronic apparatuses that included a portable electronic device and an information processing device. The portable electronic device can include an arithmetic processing section and a memory section for storing therein a processing program to be executed by the 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. A portable electronic device includes an arithmetic processing section and a memory section 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 stores a secret information input processing program 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.

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First Claim