METHOD FOR VERIFYING THE AUTHENTICITY OF A TERMINAL, CORRESPONDING DEVICE AND PROGRAM

摘要

The invention relates to a method for verifying an authenticity of a payment terminal (POS), implemented by means of a device for verifying authenticity (DVAuth), According to the invention, such a method comprises: - a step (100) of transmission, to the payment terminal (POS), of a request for obtaining (RqObt) a piece of identification data by means of a contactless communications interface; - a step (150) for receiving a response (RepQVA), through said contactless communications interface and coming from the payment terminal (POS), to said request for obtaining a piece of identification data (AuthD); a step (200) for comparing a field (FIdDAuth) of said response (RepQVA) with at least one piece of pre-recorded identification data (AuthDpe); - when the field (FIdDAuth) comprises a piece of identification data identical to said at least one piece of pre-recorded identification data (AuthDpe), a step (250) for issuing an assertion of authenticity of said payment terminal (POS); - when the field (FIdDAuth) comprises a piece of identification data different from said at least one piece of pre-recorded identification data (AuthDpe), a step for issuing a piece of information on absence of authentication of the payment terminal (POS).