3 papers
cs.CR2026
Information-Theoretic Authenticated PIR: From PIR-RV To APIR
Pengzhen Ke, Yuxuan Qin, Liang Feng Zhang
Private Information Retrieval (PIR) allows clients to retrieve database entries without leaking retrieval indices, yet malicious servers seriously compromise retrieval correctness.…
cs.CR2026
Efficient DPF-based Error-Detecting Information-Theoretic Private Information Retrieval Over Rings
Pengzhen Ke, Liang Feng Zhang, Huaxiong Wang +1
Authenticated private information retrieval (APIR) is the state-of-the-art error-detecting private information retrieval (ED-PIR), using Distributed Point Functions (DPFs) for subp…
cs.CR2025
List-Decodable Byzantine Robust PIR: Lower Communication Complexity, Higher Byzantine Tolerance, Smaller List Size
Pengzhen Ke, Liang Feng Zhang, Huaxiong Wang +1
Private Information Retrieval (PIR) is a privacy-preserving primitive in cryptography. Significant endeavors have been made to address the variant of PIR concerning the malicious s…