Information processing apparatus and method, information management apparatus and method, information providing medium, information providing system and method, and information transmission apparatus

摘要

A generator generating information on charges including information for identifying the usage fee of the encrypted information. A setting device sets information that charges for the encrypted information by discounting the discount amount. A sending device sends the information on charges set with the information that charges for the encrypted information is settled by discounting the discount amount. Independent claims are included for: (a) an information processing method (b) an information providing medium for providing computer readable program for performing an information processing method (c) a managing method (d) a information transmission apparatus.