| 摘要 |
PURPOSE: To easily maintain and manage the program of software so as not to be illegally used in plural terminal equipments connected by a communication means such as LAN. CONSTITUTION: Each time of the execution request of the program, a terminal equipment Tn transmits security check information such as the identification names of the program, the terminal equipment and a user to a server S. Then the server S judges the validity of the using possibility of the program in the terminal equipment Tn based on managing information such as the identification name of the program, the identification name of the terminal equipment capable of using it and the identification name of the user, which are stored in advance, and security check information received from the terminal equipment Tn. Then the judging result is transmitted to the terminal equipment Tn which transmitted security information and then the terminal equipment Tn gives an execution right to the program based on the judging result received from the server S. |
