| 摘要 |
A link authentication method of a plurality of terminals using user identifier information is provided to enable a user to receive a certificate by issuing a certificate through an SMS(Short Message Service) message. A link authentication method of a plurality of terminals using user identifier information includes the steps of: transmitting a terminal identifier information list of at least one sub terminal and a terminal identifier information of a main terminal to an authentication server, and requesting a certificate issue(S10); generating and transmitting an electronic certificate having user identifier information, main terminal identifier information, sub terminal identifier information, descramble key information to the main terminal(S20); receiving the electronic certificate and storing the received electronic certificate in a memory of the main terminal(S30); storing the electronic certificate which is stored in the main terminal, in the sub terminal(S40); accessing the server terminal and requesting contents to the server terminal(S50); transmitting the scrambled contents using a scramble key corresponding to the descramble key information included in the electronic certificate of the main terminal or the sub terminal(S60); descrambling and providing the scrambled contents to a user based on the descrambled key information of the electronic certificate(S70). |
