The medium and advanced method would become ineffective if civilian GPS was to be authenticated. (cryptographically signed, not encrypted) It seems that progre

The medium and advanced method would become ineffective if civilian GPS was to be authenticated. (cryptographically signed, not encrypted) It seems that progress is being made: https://insidegnss.com/what-is-navigation-message-authentication/ https://insidegnss.com/what-is-navigation-message-authentica...