DEVICE AND METHOD FOR GENERATING VIRTUAL KEYBOARD FOR USER AUTHENTICATION

摘要

Disclosed are a device and a method for generating a virtual keyboard for user authentication. The embodiments according to the present invention are capable of enhancing security of a user authentication process using the virtual keyboard by: generating a plurality of plain text values corresponding to a plurality of keypads that constitute the virtual keyboard, when a virtual keyboard call request for authenticating a user has been transmitted from a client terminal; performing specific data scrambling and encryption of the plurality of plain text values to generate virtual keyboard data; and transmitting the virtual keyboard data to the client terminal.