SECURITY USB DEVICE WITH RF PASSWORD INPUT&OUTPUT DEVICE AND METHOD OF AUTHENTICATION

摘要

PURPOSE: A USB security device having a wireless password I/O device and an authentication method are provided to prevent the leakage of a password due to keyboard hacking with the input of the password using the wireless password I/O device. CONSTITUTION: An input unit(250) includes a wheel switch and a button switch. If the button switch is pushed, a selected number is inputted. An output unit(260) receives a display target password from a controller B(230). The controller B displays the password inputted with the input unit to the output unit. An RF transmitter(220) converts the password into a RF signal and transfers the RF signal to an antenna B(210). The antenna B transfers the RF signal to a USB security device(100).