SECURITY KEY INPUT SYSTEM AND METHOD USING ONE-TIME KEYPAD

摘要

Provided is a security key input system using a one-time keypad. The security key input system may include: a keypad input unit configured to output a security keypad including one or more null keys each having no identification mark written thereon, and receive a security key from a user; a control unit comprising a one-time keypad generator configured to generate a one-time keypad; an input terminal comprising an NFC recognition unit configured to provide the one-time keypad generated by the one-time keypad generator to an output terminal through NFC with the output terminal contacted with the input terminal; a display module; an NFC recognition module configured to receive the one-time keypad from the input terminal through the NFC recognition unit; and the output terminal comprising a controller configured to output the one-time keypad received from the NFC recognition module through the display module.

主权项

1. A security key input system using a one-time keypad, which comprises an input terminal and an output terminal and receives a security key, comprising:
a keypad input unit configured to output a security keypad including one or more null keys each having no identification mark written thereon, and receive a security key from a user; a control unit comprising a one-time keypad generator configured to generate a one-time keypad; the input terminal comprising an NFC (Near Field Communication) recognition unit configured to provide the one-time keypad generated by the one-time keypad generator to the output terminal through NFC with the output terminal contacted with the input terminal; a display module; an NFC recognition module configured to receive the one-time keypad from the input terminal through the NFC recognition unit; and the output terminal comprising a controller configured to output the one-time keypad received from the NFC recognition module through the display module.