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Xiyuan Han

dblp:430/7785 · DBLP profile ↗
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1ranked-venue papers
1as first author
1since 2021 · last 2026
0009-0006-7148-0154ORCID · reported

Domains — the database's venue-derived domains; a paper can count in several

Security and privacy · 1 · 1 first-author · 1 since 2021

Expertise — from the expertise taxonomy: the topics of the expert's papers under the CCF categories. A weight counts papers with recency: 1 for a paper about the topic, 0.3 when the topic is its context, halved every five years.

Network and information security
1 paper
Cryptographic protocols and secure computation · 100%

Topics — the 4 heaviest of 4, each with the papers that count most for it

TopicWeightPapersLastEvidence papers
Cryptographic protocols and secure computation › private set intersection
multi-party private set intersection
1.012026
Efficient Malicious Multiparty Private Set Intersection Supporting Cardinality, Sharing, and Batching · IEEE Trans. Inf. Forensics Secur. 2026
Cryptographic protocols and secure computation
private set intersection
1.012026
Efficient Malicious Multiparty Private Set Intersection Supporting Cardinality, Sharing, and Batching · IEEE Trans. Inf. Forensics Secur. 2026
Cryptographic protocols and secure computation › private set intersection
private set intersection cardinality
1.012026
Efficient Malicious Multiparty Private Set Intersection Supporting Cardinality, Sharing, and Batching · IEEE Trans. Inf. Forensics Secur. 2026
Cryptographic protocols and secure computation
secret sharing
1.012026
Efficient Malicious Multiparty Private Set Intersection Supporting Cardinality, Sharing, and Batching · IEEE Trans. Inf. Forensics Secur. 2026

Methods — techniques the papers use, named apart from their topics

symmetric-key primitives · 1.0oblivious key-value store · 1.0chinese remainder theorem · 1.0
YearPublicationVenuePosition
2026 Efficient Malicious Multiparty Private Set Intersection Supporting Cardinality, Sharing, and Batching
abstract
Efficient and maliciously secure multiparty private set intersection (mPSI)—especially for variants enabling cardinality (mPSI-CA) or secret shared outputs with low communication overhead—faces ongoing challenges regarding performance and scalability. However, existing approaches are either based on strong security assumptions of non-colluding centers or are relatively expensive in terms of computational and communication overheads. Addressing these limitations, this paper introduces a new suite of protocols and formalizes them in a real/ideal model to prove the security of the protocols. Firstly, our core mPSI protocol achieves malicious security under the standard honest majority model, relying solely on symmetric-key primitives. The approach employs a lightweight, oblivious key-value store (OKVS)-based architecture where each non-pivot party sends only a single message to a designated pivot. This approach, inspired by Nevoet al.(CCS 2021), minimizes client overhead by carefully delegating core computations. We extend this framework to support cardinality (mPSI-CA) and secret sharing (mPSI-SS) functionalities, which require an additional non-collusion assumption among specific parties. We also introduce a Chinese Remainder Theorem (CRT)-based batching technique for parallel mPSI, achieving near-linear communication savings by compressing multiple OKVS structures. This method generally trades higher computational costs (from polynomial operations and CRT) for communication efficiency, but it is highly effective when communication is paramount or when batching numerous instances of small item sets, where encoding computations can be competitive. Finally, our implementation and evaluation of the proposed mPSI and mPSI-CA protocols in both LAN and WAN settings demonstrate their practical advantages. For instance, in the LAN setting depicted (15 parties,t= 7,m= 220), our mPSI protocol is 3.0× faster and uses 2.5× less communication than Nevoet al.(CCS 2021). Against the approach of Gaoet al.(CCS 2024), our maliciously secure protocol is 1.4× faster with comparable communication overhead under weaker assumptions.
Xiyuan Han, Jun Zhou 0018, Zhenfu Cao, Xiaolei Dong, Kim-Kwang Raymond Choo
IEEE Trans. Inf. Forensics Secur.1