| 摘要 |
<p>The present invention discloses a Near-Field-Communication (NFC)-based information exchange method and device. The method comprises: in response to an information reading request from an NFC scanning device, detecting whether the NFC scanning device works properly; performing security examination on the mobile terminal when the NFC scanning device works properly; acquiring contextual information associated with the information reading request after completing the security examination; choosing one of pre-set risk levels for the information reading request based on the contextual information; selecting an authentication method corresponding to the chosen risk level; prompting a user of the mobile terminal to perform an authentication operation required by the authentication method; and exchanging information with the NFC scanning device according to the information reading request after the authentication operation is verified.</p> |
