SERVER APPARATUS HAVING ONE-TIME SCAN CODE ISSUING FUNCTION, USER TERMINAL HAVING ONE-TIME SCAN CODE RECOGNIZING FUNCTION AND METHOD FOR PROCESSING ONE-TIME SCAN CODE

摘要

A server apparatus having a one-time scan code issuing function, a user terminal having a one-time scan code recognizing function, and a method for processing a one-time scan code are provided so as to safely and conveniently transmit one-time information used for key-exchange-scheme-based encryption, using a scan code such as a bar code and a QR code.