| 摘要 |
A security payment device including a finance micro secure digital (SD) card includes: a secure element (SE) in which the SD interface electrically connected to the security payment apparatus, a payment means, authentication information, and a security level are stored individually; and a SD controller which, if a finance micro SD card management application is executed in the security payment device as the security payment device approaches a point of sales (POS) terminal, receives payment information from the finance micro SD card management application through the SD interface, exclusively extracts a security level of the payment information in the SE, and provides an authentication process corresponding to the security level to the finance micro SD card management application through the SD interface. Therefore, the present invention provides the authentication process corresponding to the security level of the payment information to the security payment device, compares the received information with the authentication information stored in the finance micro SD card if receiving the authentication information according to the authentication process for the security payment device, and performs payment depending on whether or not they are identical, so a safe payment can be performed. |
