GNSS Message Authentication

A method for authentication of GNSS messages by an authentication transmitter apparatus comprising a reference receiver, an authentication server and an authentication transmitter. The method comprises: receiving, by the reference receiver, a plurality of navigation messages from a plurality of GNSS...

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Bibliographic Details
Main Authors Mjaaland Bendik Bjørklid, Støme Kristian Kelter, Erik Vigen
Format Patent
LanguageEnglish
Published 02.02.2022
Subjects
ANALOGOUS ARRANGEMENTS USING OTHER WAVES
DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES
LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES
MEASURING
PHYSICS
RADIO DIRECTION-FINDING
RADIO NAVIGATION
TESTING
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Summary:A method for authentication of GNSS messages by an authentication transmitter apparatus comprising a reference receiver, an authentication server and an authentication transmitter. The method comprises: receiving, by the reference receiver, a plurality of navigation messages from a plurality of GNSS satellites; hashing, by the authentication server, the navigation messages to create a plurality of hashed messages; creating, by the authentication server, a table comprising the plurality of hashed messages; signing, by the authentication server, the table to create a signed table comprising the hashed messages and acryptographic signature, and transmitting, by the authentication transmitter, the signed table to an authentication receiver apparatus.
Bibliography:Application Number: GB20180017140