| 摘要 |
PROBLEM TO BE SOLVED: To secure a communication means between a certifying/charging institution and a user through a simple method, in utilizing information. SOLUTION: For this certifying/charging method, an information user reports personal information, including identification information for identifying the information user and information required for charging and identification information previously applied for specifying information or the information contents to be defined as a utilization object through a telephone line to the certifying/ charging institution. After the substance or client of utilization is specified based on this information, the certifying/charging institution distributes information for information restoration for every information defined as the utilization object to the information user through a radio call to that user. The information user cancels the enciphering applied to the utilization information, through the use of the received information for information restoration. |
