| 摘要 |
<p>The present invention relates to an apparatus and a method for realizing a double authentication in a virtual private network (VPN). For this purpose, the apparatus for realizing the double authentication according to the present invention comprises: a VPN concentration unit which decrypts a first encrypted message received from a client in the VPN and encrypts the decrypted message to generate a second encrypted message; and a double authentication server which decrypts the second encrypted message to read a message transmitted from the client, and perform a double authentication on the client by performing a first authentication based on a user name and a password, which are included in the message read in connection to a lightweight directory access protocol (LADP) unit and a webserver for token (WS token) unit, and performing a second authentication based on a self-challenge and a challenge response value.</p> |
