| 摘要 |
Provided is a financial service providing method using a key lock device with improved security when using a financial service based on mutual authentication between a security server and the key lock device. The present invention includes the following steps in which: a user terminal authenticates a user by using a certificate if a financial service is requested; a user terminal checks whether a key lock device is connected or not if the authentication using the certificate is completed; a security server of the key lock device performs mutual authentication through a mediation of the user terminal if the key lock device is connected; and the user terminal provides a financial service by being connected with the financial server depending on the result of the mutual authentication between the key lock device and the security server. |
