What is spoofing and how to ensure GPS security?: Page 5 of 5

October 01, 2019 // By Maria Simsky
spoofing
As technological advances make GPS/GNSS devices more affordable, our lives are becoming increasingly dependent on precise positioning and timing. Industries such as survey, construction and logistics rely on precise positioning for automation, efficiency and safety.

The strongest shield: signal-level GNSS authentication

The Galileo system will be offering Commercial Authentication Service (CAS) on the E6 signal with the highest level of security for safety-critical applications such as autonomous vehicles. The signal level encryption will be based on similar techniques as the military GPS signals. Only the receivers who have the secret key are able to track such encrypted signals. The secret key is also needed to generate the signal making it impossible to fake. CAS authentication techniques are currently being prototyped at Septentrio in collaboration with the European Space Agency.

Spoof-resilient GNSS means reliable precise positioning and timing, and a peace of mind for everyone touched by this indispensable technology.

About the author:

Maria Simsky is Technical Writer at Septentrio – www.septentrio.com – She can be reached at maria.simsky@septentrio.com

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