INFORMATION PROCESSING SYSTEM, INFORMATION COMMUNICATION TERMINAL AND METHOD, INFORMATION PROCESSING DEVICE AND METHOD, RECORDING MEDIUM, AND PROGRAM

摘要

PROBLEM TO BE SOLVED: To facilitate safer electronic commerce in an information processing system, an information communication terminal and a method, an information processing device and a method, a recording medium and a program that facilitate the safer electronic commerce.

SOLUTION: A purchase store server 21 uses a card identification number assigned to a noncontact IC card of a portable telephone 11 to generate and supply purchase information. A reception store server 31 acquires the purchase information from the purchase store server 21, and uses an identification number of a purchase card included in the purchase information to check the card identification number assigned to the noncontact IC card of the portable telephone 11 and an identification number of a purchase card included in purchase information stored in the noncontact IC card of the portable telephone 11. An authentication server 41 computes user reliability and store reliability according to temporary transaction information stored in the noncontact IC card of the portable telephone 11. The computed user reliability and store reliability are referred to by the portable telephone 11 and the purchase store server 21 in the next commerce. This invention is applicable to an electronic commerce service.

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