Message time of arrival codes: A fundamental primitive for secure distance measurement
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Date
2020-07-30
Publication Type
Conference Paper
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yes
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Abstract
Secure distance measurement and therefore secure Time-of-Arrival (ToA) measurement is critical for applications such as contactless payments, passive-keyless entry and start systems, and navigation systems. This paper initiates the study of Message Time of Arrival Codes (MTACs) and their security. MTACs represent a core primitive in the construction of systems for secure ToA measurement. By surfacing MTACs in this way, we are able for the first time to formally define the security requirements of physical-layer measures that protect ToA measurement systems against attacks. Our viewpoint also enables us to provide a unified presentation of existing MTACs (such as those proposed in distance-bounding protocols and in a secure distance measurement standard) and to propose basic principles for protecting ToA measurement systems against attacks that remain unaddressed by existing mechanisms. We also use our perspective to systematically explore the tradeoffs between security and performance that apply to all signal modulation techniques enabling ToA measurements. © 2020 IEEE.
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Publication status
published
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Editor
Book title
2020 IEEE Symposium on Security and Privacy (SP)
Journal / series
Volume
2020-May
Pages / Article No.
500 - 516
Publisher
IEEE
Event
41st IEEE Symposium on Security and Privacy (SP2020) (virtual)
Edition / version
Methods
Software
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Date collected
Date created
Subject
Organisational unit
03755 - Capkun, Srdan / Capkun, Srdan
09653 - Paterson, Kenneth / Paterson, Kenneth
Notes
Due to the Coronavirus (COVID-19) the conference was conducted virtually.
Funding
726227 - Cross-Layer Design of Securing Positioning (EC)