In this system, drones share authentic random numbers as encryption keys with ground stations prior to takeoff, and encrypt control and data communications on a one-time pad encrypted for each packet, thus completely concealing their communication. By arranging multiple photographing and relay drones properly, confidential networks can be set-up in a wide area and instantly, for monitoring important facilities. The project was shared by the Quantum ICT Advanced Development Center and by Prodrone Co
JST news release, March 22, 2017
JST project group develops drone-based hidden relay technology for interference-proof protection of objects