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Information 2014, 5(4), 622-633; doi:10.3390/info5040622

Protection Method for Data Communication between ADS-B Sensor and Next-Generation Air Traffic Control Systems

1
ICS Security Research Section, Electronics and Telecommunications Research Institute (ETRI), 218 Gajeong-Ro, Yuseong-Gu, Daejeon 305-700, Korea
2
ICT Convergence Security Research Section, Electronics and Telecommunications Research Institute (ETRI), 218 Gajeong-Ro, Yuseong-Gu, Daejeon 305-700, Korea
3
School of Information Technology, Seowon University, 377-3 Musimseo-ro, Heungdeok-gu, Cheongju-si, Choong-Chung Buk-do 361-742, Korea
*
Author to whom correspondence should be addressed.
Received: 15 August 2014 / Revised: 14 November 2014 / Accepted: 18 November 2014 / Published: 1 December 2014
(This article belongs to the Special Issue Ubiquitous Systems and Services for IT Convergence)
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Abstract

Communications, Navigation, Surveillance/Air Traffic Management (CNS/ATM) systems utilize digital technologies, satellite systems, and various levels of automation to facilitate seamless global air traffic management. Automatic Dependent Surveillance-Broadcast (ADS-B), the core component of CNS/ATM, broadcasts important monitoring information, such as the location, altitude, and direction of aircraft, to the ground. However, ADS-B data are transmitted in an unencrypted (or unprotected) communication channel between ADS-B sensors and Air Traffic Control (ATC). Consequently, these data are vulnerable to security threats, such as spoofing, eavesdropping, and data modification. In this paper, we propose a method that protects the ADS-B data transmitted between ADS-B sensors and ATC using Simple Public Key Infrastructure (SPKI) certificates and symmetric cryptography. The SPKI certificates are used to grant transmission authorization to the ADS-B sensors, while symmetric cryptography is used to encrypt/decrypt the ADS-B data transmitted between the ADS-B sensors and ATC. The proposed security framework comprises an ADS-B sensor authentication module, an encrypted data processing module, and an ADS-B sensor information management module. We believe that application of the proposed security framework to CNS/ATM will enable it to effectively obviate security threats, such as ground station flood denial, ground station target ghost injection, and ADS-B data modification. View Full-Text
Keywords: SPKI certificate; symmetric cryptography; ADS-B; ATC; CNS/ATM; security SPKI certificate; symmetric cryptography; ADS-B; ATC; CNS/ATM; security
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Lee, S.-H.; Kim, Y.-K.; Han, J.-W.; Lee, D.-G. Protection Method for Data Communication between ADS-B Sensor and Next-Generation Air Traffic Control Systems. Information 2014, 5, 622-633.

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