Information processing system, information communication terminal and method, information processing apparatus and method, recording medium, and program

摘要

The present invention relates to an information processing system, information communication terminal and method, information processing apparatus and method, recording medium, and program capable of enabling safer electronic commercial transactions in a straightforward manner. A point-of-purchase server 21 generates purchasing information using a card identification number allotted to a non-contact IC-card of a mobile telephone 11. A point-of-receipt server 31 acquires this purchasing information and confirms the card identification number allotted to the non-contact IC card of the mobile telephone 11 and a purchasing card identification number. The authentication server 41 calculates user trustworthiness and store trustworthiness based on temporary commercial transaction information stored in the non-contact IC card of the mobile telephone 11. The calculated user trustworthiness and store trustworthiness is then reference by the mobile telephone 11 and point-of-purchase server 21 in the next commercial transaction. The present invention can be applied to electronic commercial transaction services.