Abstract
This paper proposes a hybrid crypto-system that encrypts image data between swarm Unmanned Aerial Vehicles (UAVs) and Ground Control Station (GCS) at a high speed on Long-Term Evolution (LTE)-based control system capable of long-distance communication. This swarm control system consists of environment that can control 10 UAVs through one GCS, and the crypto-system for image data consists of Elliptic Curve Cryptography (ECC) public-key algorithm and Light-weight Encryption Algorithm (LEA) symmetric-key algorithm. ECC is faster than Rivest Shamir Adleman (RSA) public-key algorithm and has the same security strength as the RSA, and LEA is a domestic standard symmetric key algorithm faster than Advanced Encryption Standard (AES). This paper implemented the image processing through OpenCV and Socket programs in the swarm flight system applying LTE communication, showing an efficient real-time image data encryption technique by applying the hybrid crypto-system using OpenSSL for the previously mentioned image processing.
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