| 摘要 |
The present invention relates to a user authentication method using a one-time access code, comprising: a first step of accessing, by a mobile terminal (10), a server (20) via a wireless communication network to request a one-time access code (S1); a second step of generating, by the server (20), the one-time access code by verifying an authentication number of the mobile terminal (10) (S2); a third step of temporarily storing the one-time access code generated from the server (29) in a database (S3); a fourth step of transmitting the one-time access code to the mobile terminal (10) to be outputted (S4); a fifth step of logging into the server (20) by means of a connection terminal (30) by inputting the one-time access code outputted to the mobile terminal (10) in combination with a password (S5); a sixth step of verifying the validity of the combination of the password and the one-time access code and transmitting a verification request to the mobile terminal (10) (S6); and a seventh step of confirming or cancelling the login of the connection terminal (30) to the server (20) according to the confirmation or cancellation of the mobile terminal (10) (S7). As such, the present invention has the effect of being capable of improving security and convenience at the same time. |
