GNSS message authentication

A method for authentication of GNSS messages by an authentication transmitter apparatus (20) comprising a reference receiver (22), an authentication server (24) and an authentication transmitter (26). The method comprises: receiving, by the reference receiver, a plurality of navigation messages (50)...

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Bibliographic Details
Main Authors Vigen, Erik, Keltner Støme, Kristin, Bjørklid Mjaaland, Bendik
Format Patent
LanguageEnglish
Published 15.11.2018
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Summary:A method for authentication of GNSS messages by an authentication transmitter apparatus (20) comprising a reference receiver (22), an authentication server (24) and an authentication transmitter (26). The method comprises: receiving, by the reference receiver, a plurality of navigation messages (50) from a plurality of GNSS satellites (10); 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 (70) comprising the hashed messages and acryptographic signature, and transmitting, by the authentication transmitter, the signed table to an authentication receiver apparatus (40). [FIG. 1]
Bibliography:Application Number: AU20170258272