| 摘要 |
PURPOSE: A system and a method for secured email service based on certificate are provided to block an access of a device without prior registration to an opponent device by recognizing the identification number of the device requesting authentication. CONSTITUTION: When user authentication was approved, a terminal(100) builds an encrypted session with an email server(200) according to the encrypted session information which is received from the email server. The email server transmits the encrypted session information to the terminal. The email server requests a server authentication to the terminal using server certificate which was already registered. If the server authentication is approved, the email server transmits email data through the encrypted session to the terminal. |
