APAuth: Authenticate an Access Point by Backscatter Devices | Semantic Scholar (2024)

BAuth, a multi-stage authentication and attack tracing scheme based on the physical spatial information of BDs to realize enhanced BD authentication security for both static and mobile BDs is proposed.

This work proposes a novel concept of authentication scheme for backscatter networks that uses an unpredictable collision by applying a data structure called Shifted Counting Bloom Filter (SCBF) and can reduce the overhead of back scatter devices required for security.

Tri-Channel, a novel physical layer key generation scheme between two BDs by multiplying downlink signals and backscatter signals to obtain the information of a triangle channel as a shared random secret source for key generation implies that the scheme is advanced in terms of both security and efficiency of key generation.

Tagora is proposed, a cross-layer authentication protocol, which is the first integration work of two-layer approaches that harness the unpredictable properties of tag’s collision responses at both the physical and application layers.

This work considers identity attack on a singlereader, single-tag RFID system whereby the reader and the tag undergo two-way signaling which enables the reader to extract the tag ID in order to authenticate the legitimate tag (L-tag).

This paper considers a WPBC system in which a full-duplex access point transmits multi-sinewave signals to power back scatter devices (BDs) and injects artificial noise (AN) to secure their backscatter transmissions and proposes two algorithms to solve an energy maximization problem.

This work presents an iterative algorithm by leveraging block coordinate descent (BCD) and successive convex approximation optimization to solve a non-convex problem incurred in WPBC and shows the convergence of the proposed algorithm and analyze its complexity.

A new method for network authentication, identification, and secure communication, using the optical physical unclonable function Challenge-Response (PUF-CRPs) database protocol is proposed and numerically validated.

This work proposes RF-Rhythm, a secure and usable two-factor RFID authentication system with strong resilience to lost/stolen/cloned RFID cards, and proposes a novel phase-hopping protocol in which the RFID reader emits Continuous Wave with random phases for extracting the user’s secret tapping rhythm.

It is demonstrated that the backscatter channel phase sensing enables quantification of a size of air gap between two RF sensors embedded in sand and the sensitivity of the phase to the strain of the sand is demonstrated.

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