3 papers
cs.CR2025
Road Network-Aware Personalized Trajectory Protection with Differential Privacy under Spatiotemporal Correlations
Minghui Min, Jiahui Liu, Mingge Cao +4
Location-Based Services (LBSs) offer significant convenience to mobile users but pose significant privacy risks, as attackers can infer sensitive personal information through spati…
quant-ph2025
A Unified Approach to Quantum Key Leasing with a Classical Lessor
Fuyuki Kitagawa, Jiahui Liu, Shota Yamada +1
Secure key leasing allows a cryptographic key to be leased as a quantum state in such a way that the key can later be revoked in a verifiable manner. In this work, we propose a mod…
quant-ph2024
Unclonable Secret Sharing
Prabhanjan Ananth, Vipul Goyal, Jiahui Liu +1
Unclonable cryptography utilizes the principles of quantum mechanics to addresses cryptographic tasks that are impossible classically. We introduce a novel unclonable primitive in…