Assisted NMA proof of concept on Android smartphones

C O'Driscoll, J Winkel… - 2023 IEEE/ION Position …, 2023 - ieeexplore.ieee.org
Navigation Message Authentication (NMA) is a technique to protect GNSS navigation
messages by cryptographically signing them. Cell phone based GNSS receivers, which …

Detecting GNSS misbehavior leveraging secure heterogeneous time sources

M Spanghero, P Papadimitratos - 2023 IEEE/ION Position …, 2023 - ieeexplore.ieee.org
Civilian Global Navigation Satellite Systems (GNSS) vulnerabilities are a threat to a wide
gamut of critical systems. GNSS receivers, as part of the encompassing platform, can lever …

Time-Based GNSS Attack Detection

M Spanghero, P Papadimitratos - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
To safeguard Civilian Global Navigation Satellite Systems (GNSS) external information
available to the platform encompassing the GNSS receiver can be used to detect attacks …

Time Synchronization for TESLA-based GNSS-enabled Systems

J Anderson, S Lo, T Walter - Proceedings of the 35th International Technical …, 2022 - ion.org
Timed Efficient Stream Loss-tolerant Authentication (“TESLA”) is well-posed to serve as the
primary cryptographic authentication algorithm for GNSS. TESLA provides excellent …

Nautilus: An embedded navigation authentication testbed

C O'Driscoll, G Caparra - Proceedings of the 34th International Technical …, 2021 - ion.org
The vulnerability of GNSS signals to malicious spoofing attacks is a topic that has been
gathering increased attention in recent years, and a number of different approaches have …

Addressing a Critical Vulnerability in upcoming Broadcast-only TESLA-based GNSS-enabled Systems

J Anderson, S Lo, T Walter - Proceedings of the 2023 International Technical …, 2023 - ion.org
Herein, we delineate and suggest mitigations for a critical security attack involving the time
synchronization requirement of any broadcast-only Timed-Efficient Stream Loss-tolerant …

Exploiting European GNSS and Ethereum in location proof systems

G Lax, A Russo - International Journal of Digital Earth, 2022 - Taylor & Francis
ABSTRACT Location-Based Services (LBSs) are essential in many application contexts like
ride-sharing or navigation apps. There are cases where users could gain an advantage by …

Observations on Signal-Level GNSS-Based PVT Assurance

C O'Driscoll - 2022 10th Workshop on Satellite Navigation …, 2022 - ieeexplore.ieee.org
The demand for Position Velocity and Time (PVT) assurance is growing across the Global
Navigation Satellite System (GNSS) industry. One of the approaches to assist in providing a …