| 摘要 |
The present invention relates to a method, an apparatus and a system for generating a transaction related one time password (OTP). The method includes the steps of: transmitting a transaction request to a settlement server using a trusted application which is driven by a client terminal; receiving transaction information in response to the transaction request; and generating the transaction related OTP including transaction information as an input value, using the trusted application. Especially, an application processor (AP) of the client terminal is separated into a normal area and a security area logically. When the trusted application is executed, the security area has the right as to all hardware and software operations of the client terminal, and a trusted user interface (UI) displayed at an upper level than a normal UI is driven. |
