Patent · US Active

GNSS authentication method

US11009608B2 · kind B2 · utility

0Cited by

2References

20Claims

0Family size

Assignee

Fugro N.V. · NL

Inventors

Erik Vigen · Hønefoss, NO
Kristin Keltner Støme · Oslo, NO
Bendik Bjorklid Mjaaland · Oslo, NO

Key dates

Filing date	Apr 25, 2017
Grant date	May 18, 2021
Priority date	—
Expiry date	Nov 7, 2037

Classification

Technology area (CPC H)Electricity
CPC primaryH04L9/3247
WIPO fieldTelecommunications
WIPO sectorElectrical engineering

Abstract

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.