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Lightweight Delegated Authentication with Identity Fraud Detection for Cyber-physical Systems

Published: June 07, 2021

To detect the identity fraud attacks caused by an authentication server compromise, we propose two mutual authentication protocols by using a pseudo-random function family and a one-time signature (OTS) scheme. [CPSS21 full program]

LARP: A Lightweight Auto-Refreshing Pseudonym Protocol for V2X

Published: June 07, 2021

In this paper, we propose a lightweight auto-refreshing pseudonym protocol (LARP) for V2X. LARP supports efficient operations for resource-constrained devices, and provides security even when parts of the vehicle are compromised.

Annual Computer Security Applications Conference (ACSAC)

Published: December 08, 2022

In this talk, I gave a presentation for our ACSAC22 paper “If You Can’t Beat Them, Pay Them: Bitcoin Protection Racket is Profitable”. We describe an attack called Fork Withholding Attack under a Protection Racket (FWAP), in which the mining pool pays the attacker for withholding a fork. [Slides] [ACSAC22 full program page]

Teaching experience 1

Undergraduate course, University 1, Department, 2014

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Teaching experience 2

Workshop, University 1, Department, 2015

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