PIN code input method using PIN pattern, PIN code input system, online shopping payment system

摘要

Provided is a secret code input method which is inexpensive and easy to operate and can ensure high security. A code input method for inputting a plurality of identifiable symbol icons printed or displayed on a medium surface in a predetermined order and authenticating the code in that order, the medium surface on which the symbol icon is printed The displayed display surface is formed with a dot pattern that means a coordinate value or / and a code value, and the dot pattern is read by a scanner and converted into a secret code according to the coordinate value or / and the code value, The code that authenticates the code in the order of the code that has been read, and the coordinates that the dot pattern means the orientation of the scanner around the vertical axis from the medium surface or display surface when the dot pattern is read by the scanner PIN code using a dot pattern that is entered as a PIN code added to the value or / and code value It was de input method.