COMMUNICATION SYSTEM, AND SECURITY ASSURANCE DEVICE

摘要

PROBLEM TO BE SOLVED: To propose a communication system and a security assurance device which are capable of assuring that a target party for communication has taken security countermeasures.;SOLUTION: A server 3 transmits information 104 necessary for AC issuance to a security assurance authority 2. The security assurance authority 2 verifies the security of the server 3 during communication based upon the information necessary for AC issuance 104. When the security of the server 3 during communication is confirmed, the security assurance authority 2 issues an AC 105 which proves the security of the server 3 during communication, and transmits it to the server 3. Upon receipt of the AC 105, the server 3 transmits the AC 105 to a client 4 according to a connection request from the client 4. Upon receipt of the AC 105, a client 4 verifies the security during the communication of the server 3 based upon the AC 105.;COPYRIGHT: (C)2006,JPO&NCIPI