| 摘要 |
The present invention relates to a system and a method for controlling the usage of an electronic device by using a code input scheme. More specifically, the present invention relates to a security system, apparatus, and method using a supplemental code, which can control an optional function for a users convenience by using a code input scheme in which supplemental codes having the optional function are combined in using a service or a function of an electronic device, such as a smartphone, a mobile device, a computer, a financial device, a door electronic device, and a service providing server, can carry out a normal operation by using a disguise control code including supplemental codes having an optional function which disguises itself as an authentication code in a state of being exposed to the other party, can prohibit the other party from recognizing a request of the other party, which has been processed, and can deal with an emergency or a normal optional situation. |
