AUTHENTICATION METHOD, AND CLIENT DEVICE, SERVER DEVICE, AND PROGRAM THEREOF

摘要

PROBLEM TO BE SOLVED: To increase the safety of a system including a client device and a server device. SOLUTION: When a hardware information acquisition part 61 obtains information on hardware 60 on a terminal 5, a ciphering hardware information generation part 62 ciphers the information to generate ciphered hardware information and an authentication processing part 51 sends the ciphered hardware information. When an authentication server 21 of a remote access server 11 decides that the terminal 5 is a regular terminal according to the ciphered hardware information, a user information input processing part 53 on the terminal 5 urges a user to input user information and the authentication processing part 51 sends the inputted user information. Further, the authentication server 21 of the remote access server 11 when deciding that the user of the terminal 5 is a regular user according to the user information allows the user to access an information distribution server 22 through the terminal 5. COPYRIGHT: (C)2004,JPO