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IEEE/ICACT20210119 Slide.20        [Big Slide]	Oral Presentation
	Whenever a file is transferred via FTP, the drone will encrypt the data using AES with a random seed. The random seed is used to generate the random seed key (RSEK). The RSEK is the ¡°password¡± used as the input to the encryption. On newer DJI drones, both the seed and RSEK is generated using a Trusted Application in the Trusted Zone (TZ). This makes it exceptionally difficult to find a way to ¡°sniff¡± those data out unless there is a vulnerability in the TZ.

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