Given the advent of the increasing number of GNSS spoofing events being reported, applications relying on satellite navigation are in need of protection against this sophisticated kind of interference. Spoofing consists in the forgery of the satellite navigation signals so that GNSS receivers inadvertently provide a falsified location without the receiver having the means of detecting it. The European GNSS constellation, Galileo, will soon provide a pioneering service that will allow the detection of these spoofing events in Galileo capable receivers. This service, which is called Open Service - Navigation Message Authentication (OSNMA), provides the necessary cryptographic means to authenticate the navigation message broadcasted by Galileo satellites. The navigation device could then raise a warning of a potential spoofing event in case of failure in the authentication of the OSNMA cryptographic material.


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