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A Secure Cell-Attachment Procedure of LDACS

Mäurer, Nils and Gräupl, Thomas and Gentsch, Christoph and Guggemos, Tobias and Schmitt, Corinna and Dreo-Rodosek, Gabrijela (2021) A Secure Cell-Attachment Procedure of LDACS. In: Proceedings - 2021 IEEE European Symposium on Security and Privacy Workshops, Euro S and PW 2021, pp. 1-10. 6th IEEE European Symposium on Security and Privacy, 06.-10. Sept. 2021, Wien, Österreich. doi: 10.1109/EuroSPW54576.2021.00019. ISSN 2768-0657.

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Official URL: https://concordia-h2020.eu/workshop-SRCNAS-2021/


In Europe the SESAR air traffic management master plan foresees the introduction of several modern digital data links for aeronautical communications. The candidate for long-range continental communication is LDACS. LDACS is a cellular, ground-based digital communications system for flight guidance and communications related to the safety and regularity of flight. Hence, the aeronautical standards for cybersecurity of the link layer and the network layer apply. In previous works, threat- and risk analyses of LDACS were conducted, a draft for an LDACS cybersecurity architecture was introduced, algorithms proposed, and the security of the STS-based MAKE procedure of LDACS formally verified. However, options for cipher-suites and certificate management for LDACS are still missing. This paper proposes a cell-attachment procedure which establishes a secure LDACS communication channel between an aircraft and corresponding ground-station upon cell-entry of the aircraft that addresses these shortcomings. It introduces a full cell-attachment protocol including cipher-suites and certificate revocation for LDACS.

Item URL in elib:https://elib.dlr.de/142721/
Document Type:Conference or Workshop Item (Speech)
Title:A Secure Cell-Attachment Procedure of LDACS
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Mäurer, NilsUNSPECIFIEDhttps://orcid.org/0000-0003-1324-7574UNSPECIFIED
Gräupl, ThomasUNSPECIFIEDhttps://orcid.org/0000-0002-7864-774XUNSPECIFIED
Gentsch, ChristophUNSPECIFIEDhttps://orcid.org/0000-0001-7189-3465UNSPECIFIED
Schmitt, CorinnaUNSPECIFIEDhttps://orcid.org/0000-0002-4118-1878UNSPECIFIED
Date:6 September 2021
Journal or Publication Title:Proceedings - 2021 IEEE European Symposium on Security and Privacy Workshops, Euro S and PW 2021
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In ISI Web of Science:Yes
Page Range:pp. 1-10
Keywords:Cybersecurity, Authentication, Key Establishment, SIGMA, LDACS, Tamarin, Control Channel Protection, Communication Performance
Event Title:6th IEEE European Symposium on Security and Privacy
Event Location:Wien, Österreich
Event Type:international Conference
Event Dates:06.-10. Sept. 2021
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:Air Transportation and Impact
DLR - Research area:Aeronautics
DLR - Program:L AI - Air Transportation and Impact
DLR - Research theme (Project):L - Cyber-Security Centric Communication, Navigation and Surveillance
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Data Science > Secure Digital Systems
Institute of Communication and Navigation > Communications Systems
Deposited By: Mäurer, Nils
Deposited On:08 Oct 2021 11:28
Last Modified:31 Jan 2023 20:50

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