Digital security document with security features that can be checked on a smartphone screen

摘要

The invention relates to a method of protecting a digital document capable of being displayed in the form of pixels on a screen of a display device provided with a digital security document. a screen and at least one sensor capable of detecting a variable physical quantity as a function of a physical action performed on the display device, characterized in that it comprises a step consisting in inserting into the digital document at least one digital security element, the display of which depends in a predefined manner on the physical quantities detected by said at least one sensor. Figure for the abstract: [Fig 4]