AUTHENTIFIZIERUNGSVERFAHREN EINES GERÄTS, ENTSPRECHENDE SENDE- UND EMPFANGSVORRICHTUNG UND ENTSPRECHENDES KOMMUNIKATIONSSYSTEM UND LUFTFAHRZEUG

摘要

The invention relates to a method for authenticating an item of equipment (20, 22) by a communication system (12), comprising: - a step of exchanging at least one data frame (30) between a first item of equipment (20) and a second device (22) through a communication bus (14) using a packet switching protocol, the data frame (30) comprising a preamble (34) and a message body (36), - a step of searching in each data frame (30) exchanged for the presence of a marker in the preamble (34), the marker being specific to the communication system (12), and- only when the marker has been found by the second equipment (22) in a data frame (30), a step of authenticating the first equipment (20).