| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a technology for sharing information while guaranteeing confidentiality. <P>SOLUTION: A file shared system has: a first terminal; a second terminal; and a server. The first terminal is the terminal to which browse of a predetermined file is already permitted, which transmits a request telegram and receives first information. The second terminal acquires the information to be received by the first terminal, and transmits the acquired information, or information to be derived based on the acquired information. The server receives the request telegram from the first terminal, generates the first information, and transmits the first information to the first terminal. In addition, the server receives the information transmitted from the second terminal, and determines whether or not to permit the browse of the predetermined file at the second terminal on the basis of the information and the generated first information. <P>COPYRIGHT: (C)2013,JPO&INPIT |
