DJI drone IDs are not encrypted
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Drones are widely used in the energy, construction, agriculture, transportation, warehousing, real estate and movie industries. Key applications include surveys, inspections, deliveries and cinematography. With approximately 70-80 Innovations (DJI), headquartered in Shenzhen, China, essentially monopolizes the drone market. As commercial-off-the-shelf drone sales steadily rise, the Federal Aviation Administration has instituted regulations to protect the federal airspace. DJI has become a pioneer in developing remote identification technology in the form of drone ID (also known as AeroScope signals). Despite claims from the company touting its implementation of drone ID technology as "encrypted" yet later being proved incorrect for the claim, it remains a mystery on how one can grab and decode drone IDs over the air with low-cost radio frequency hardware in real-time. This research paper discusses a methodology using radio software and hardware to detect both Enhanced Wi-Fi and OcuSync drone IDs, the three types of drone ID packet structures and a functioning prototype of a DJI OcuSync detection system equipped with two HackRF Ones.
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