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Conference Paper
Public Key-based Lightweight Mutual Authentication and Key Agreement Protocol for Drones
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- Authors
- Keonwoo Kim, Yousung Kang
- Issue Date
- 2018-10
- Citation
- Asian/Austrailian Rotorcraft Forum (ARF) 2018, pp.1-5
- Language
- English
- Type
- Conference Paper
- Abstract
- As the use of drones increases, it is necessary to authenticate the drones and to encrypt the communication channel between the drones and the server. In this paper, we propose mutual authentication and key agreement protocol for drones. A UAV(Unmanned Aerial Vehicle, Drone) and a server authenticate each other by verifying the other party's certificate, respectively. After mutual authentication, a common secret value is shared on both sides and a session key is finally created to establish secure communication channel. We use ECDSA algorithm to verify the certificate and ECDH algorithm to share the common secret value. With the use of elliptic curve cryptography, our protocol guarantees the similar security with key of much smaller size than the RSA and DSA signature schemes. Also, this protocol has fewer messages exchanged and fewer communication paths between the UAV and the server, and simpler key derivation process than the conventional authentication and key agreement protocol used in the Internet, such as TLS handshake protocol. We implemented a protocol that runs on UAV using USIM type IC card. We have also developed a server simulation program to test the protocol with the card. Through our protocol and implementation testing, unauthorized UAVs or illegal UAVs cannot be successfully authenticated. Our protocol is applicable for drone that is recognized as IoT device.
- KSP Keywords
- Elliptic Curve Cryptography(ECC), Handshake Protocol, IC Card, IoT Devices, Key Derivation, Public Key, Session key, Signature scheme, Simulation program, authentication and key agreement, key agreement protocol