The emergence of Automatic Dependent Surveillance-Broadcast (ADS-B) caused a revolution in Air Traffic Control (ATC) thanks to the numerous benefits this protocol provides, especially when compared to traditional surveillance technologies. Notably, ADS-B offers improved location accuracy from its use of GPS while reducing operational and maintenance costs. Despite these advantages, ADS-B's open broadcast of clear-text messages resulted in several vulnerabilities that negatively affected its widespread usage. In previous work, we proposed ADS-Bsec as a framework that leverages technologies such as cryptography, location verification and artificial intelligence to address the core of such vulnerabilities while keeping compatibility with the original protocol. However, air traffic services require aircraft crossing different authorities' zones to obtain additional authorization tokens, especially during international flights, thus imposing the need for ADS-Bsec to have a key management scheme that addresses this added layer of complexity. This paper presents a solution for this issue that extends the ADS-Bsec framework with the proposed implementation of a key management module based on our prior work on the key exchange protocol. The proposed module exchanges and manages keys to be used in the message verification process for each Flight Information Region (FIR) the aircraft goes through during its flight. We evaluate our ideas with a simulation of a real-world scenario based on actual data from a flight departing New York JFK airport and landing at Los Angeles LAX airport. We provide an analysis and a discussion of the results.


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    Title :

    A Key Management Module for Secure ADS-B


    Contributors:


    Publication date :

    2022-10-08


    Size :

    2684262 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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