HidePrint: Hiding the Radio Fingerprint via Random Noise

• URL: http://arxiv.org/abs/2411.06417v1
• Date: Sun, 10 Nov 2024 10:45:35 GMT
• Title: HidePrint: Hiding the Radio Fingerprint via Random Noise
• Authors: Gabriele Oligeri, Savio Sciancalepore,
• Abstract summary: HidePrint hides the transmitter's fingerprint against an illegitimate eavesdropper by injecting controlled noise in the transmitted signal. We introduce selective radio fingerprint disclosure, a new technique that allows the transmitter to disclose the radio fingerprint to only a subset of intended receivers.
• Score: 3.9901365062418312
• License:
• Abstract: Radio Frequency Fingerprinting (RFF) techniques allow a receiver to authenticate a transmitter by analyzing the physical layer of the radio spectrum. Although the vast majority of scientific contributions focus on improving the performance of RFF considering different parameters and scenarios, in this work, we consider RFF as an attack vector to identify and track a target device. We propose, implement, and evaluate HidePrint, a solution to prevent tracking through RFF without affecting the quality of the communication link between the transmitter and the receiver. HidePrint hides the transmitter's fingerprint against an illegitimate eavesdropper by injecting controlled noise in the transmitted signal. We evaluate our solution against state-of-the-art image-based RFF techniques considering different adversarial models, different communication links (wired and wireless), and different configurations. Our results show that the injection of a Gaussian noise pattern with a standard deviation of (at least) 0.02 prevents device fingerprinting in all the considered scenarios, thus making the performance of the identification process indistinguishable from the random guess while affecting the Signal-to-Noise Ratio (SNR) of the received signal by only 0.1 dB. Moreover, we introduce selective radio fingerprint disclosure, a new technique that allows the transmitter to disclose the radio fingerprint to only a subset of intended receivers. This technique allows the transmitter to regain anonymity, thus preventing identification and tracking while allowing authorized receivers to authenticate the transmitter without affecting the quality of the transmitted signal.

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