| 摘要 |
PROBLEM TO BE SOLVED: To provide a software selling system which prevents illegal transactions in software reusing and eliminates user troubles when software is sold. SOLUTION: In this software selling system, a plurality of user terminals 1 and 2 are connected with a software providing company terminal 3 through the Internet 100. The user who purchases enciphered software and a cryptograph release key (electronic ticket) for the software from the software providing company transmits the discard request of an electronic ticket use right to the company terminal 3 from the user terminal 1, and when the electronic ticket is purchased, its purchase charge is paid to the user terminal 1. When the user gives the software to the other user terminal 2, the user terminal 2 transmits an issue request of the software electronic ticket to the company terminal 3, and the issuing processing of an electronic ticket is performed. The company terminal 3 charges the user terminal 2 for issuing charge of the electronic ticket. |
