US US2025168630A1
[0000] Disclosed herein is an apparatus and method for drone control data security. The apparatus includes memory in which at least one program is recorded and a processor for executing the program. The program may encrypt control data in a unit of a block based on a counter block configured using a nonce value and transmit the encrypted control data to a drone along with a nonce change reference counter value, the nonce value initialized to an initial nonce value may change sequentially according to a predetermined sequence each time the control data in a unit of a block is encrypted, and the nonce change reference counter value may increase each time the nonce value changes.
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