In the software circulation system the identifier management device and manner and the software circulation management device and the manner

摘要

PURPOSE: To manage the distribution destinations in a software circulation system based on the information including an identifier and to monitor the illegal copies. ;CONSTITUTION: When a host computer 11 of a circulation center sales the software in response to the request given from a user terminal and via a network 12, a terminal identifier (MID) and a terminal password (MPSW) are given to each terminal At the same time, a user identifier (UID) and a user password are given to the user. Furthermore, a distribution identifier is buried into the software and sold. The computer 11 secures the relation between these identifiers and passwords and manages the sales histories. If the sold software is destroyed, the restoration service is given to the software based on its sales record. And, the terminal password is rewritten every time the computer 11 receives an access and it is checked whether the latest terminal password is used for every access or not.;COPYRIGHT: (C)1996,JPO