METHOD AND SYSTEM FOR AUTHENTICATING A USER BY AN APPLICATION

摘要

The invention relates to a method for authenticating a user by an application by means of a challenge-response method. In this case, the challenge (5) is displayed in the form of a barcode on a display (6) and is transmitted to a communication device (3) associated with the user. The determined response (8) is input by the user at a user interface (10) of the application.