Publications

Publications below are listed in alphabetical order (either among all authors or among student authors), unless marked with *, which denotes the main contributor. Papers without a URL are currently in preparation for ePrint and will be available soon.

Published

UnifOMR: Oblivious Message Retrieval with Near-optimal Concrete Efficiency

Ben Fisch, Zeyu Liu, Yunhao Wang, Eran Tromer

ACM Conference on Computer and Communications Security (CCS), to appear • 2026

Relect: Single Secret Leader Election via FHE with Reduced Computation and Communication and Transparent Setup

Haofei Liang, Zeyu Liu, Yunhao Wang, Xiang Xie, Yu Yu, Fan Zhang

ACM Conference on Computer and Communications Security (CCS), to appear • 2026

TACITA: Threshold Aggregation without Client Interaction

Varun Madathil*, Arthur Lazzaretti, Zeyu Liu, Charalampos Papamanthou

ACM Conference on Computer and Communications Security (CCS), to appear • 2025
URL

InstantOMR: Oblivious Message Retrieval with Low Latency and Optimal Parallelizability

Haofei Liang, Zeyu Liu, Eran Tromer, Xiang Xie, Yu Yu

USENIX Security Symposium (USENIX Security), to appear • 2026
URL

Multi-Server Doubly Efficient PIR in the Classical Model and Beyond

Arthur Lazzaretti, Zeyu Liu, Ben Fisch, Peihan Miao, Charalampos Papamanthou

Theory of Cryptography Conference (TCC) • 2025
URL

Lattice-based Multi-message Multi-recipient KEM/PKE with Malicious Security

Zeyu Liu, Katerina Sotiraki, Eran Tromer, Yunhao Wang

International Conference on the Theory and Application of Cryptology and Information Security (ASIACRYPT) • 2025
URL

IND-CPA-D of Relaxed Functional Bootstrapping: A New Attack, A General Fix, and A Stronger Model

Zeyu Liu, Yunhao Wang, Ben Fisch

ACM Conference on Computer and Communications Security (CCS) • 2025
URL

Scalable Private Signaling

Sashidhar Jakkamsetti, Zeyu Liu, Varun Madathil

IEEE Computer Security Foundations Symposium (CSF) • 2025
URL

Finding Balance in Unbalanced PSI: A New Construction from Single-Server PIR

Chengyu Lin, Zeyu Liu, Peihan Miao, Max Tromanhauser

IACR Communications in Cryptology (CiC) • 2025
URL

Permissionless Verifiable Information Dispersal (Data Availability for Bitcoin Rollups)

Ben Fisch, Arthur Lazzaretti, Zeyu Liu, Lei Yang

IEEE Symposium on Security and Privacy (S&P) • 2025
URL

Snake-Eye Resistant PKE from LWE for Oblivious Message Retrieval and Robust Encryption

Zeyu Liu, Katerina Sotiraki, Eran Tromer, Yunhao Wang

Annual International Conference on the Theory and Applications of Cryptographic Techniques (EUROCRYPT) • 2025
URL

Rational Secret Sharing with Competition

Tiantian Gong, Zeyu Liu

Financial Cryptography and Data Security (FC) • 2025
URL

Phalanx: An FHE-Friendly SNARK for Verifiable Computation on Encrypted Data

Xinxuan Zhang*, Ruida Wang, Zeyu Liu, Binwu Xiang, Yi Deng, Ben Fisch, Xianhui Lu

ACM Conference on Computer and Communications Security (CCS) • 2025
URL

The Case of FBA as a DEX Processing Model

Tiantian Gong*, Zeyu Liu, Aniket Kate

Financial Cryptography and Data Security (FC) • 2025
URL

Relaxed Functional Bootstrapping: A New Perspective on BGV/BFV Bootstrapping

Zeyu Liu, Yunhao Wang

International Conference on the Theory and Application of Cryptology and Information Security (ASIACRYPT) • 2024
URL

ThorPIR: Single Server PIR via Homomorphic Thorp Shuffles

Ben Fisch, Arthur Lazzaretti, Zeyu Liu, Charalampos Papamanthou

ACM Conference on Computer and Communications Security (CCS) • 2024
URL

PerfOMR: Oblivious Message Retrieval with Reduced Communication and Computation

Zeyu Liu, Eran Tromer, Yunhao Wang

USENIX Security Symposium (USENIX Security) • 2024
URL

Group Oblivious Message Retrieval

Zeyu Liu, Eran Tromer, Yunhao Wang

IEEE Symposium on Security and Privacy (S&P) • 2024
URL

CrudiTEE: A Stick-and-Carrot Approach to Building Trustworthy Cryptocurrency Wallets with TEEs

Lulu Zhou*, Zeyu Liu, Fan Zhang, Michael K. Reiter

Advances in Financial Technology (AFT) • 2024
URL

Amortized Functional Bootstrapping in Less than 7 ms, with Õ(1) Polynomial Multiplications

Zeyu Liu, Yunhao Wang

International Conference on the Theory and Application of Cryptology and Information Security (ASIACRYPT) • 2023
URL

Orbweaver: Succinct Linear Functional Commitments from Lattices

Ben Fisch, Zeyu Liu, Psi Vesely

Annual International Cryptology Conference (CRYPTO) • 2023
URL

Large-Precision Homomorphic Sign Evaluation Using FHEW/TFHE Bootstrapping

Zeyu Liu, Daniele Micciancio, Yuriy Polyakov

International Conference on the Theory and Application of Cryptology and Information Security (ASIACRYPT) • 2022
URL

Synthesizing Diverse and Physically Stable Grasps With Arbitrary Hand Structures Using Differentiable Force Closure Estimator

Tengyu Liu*, Zeyu Liu, Ziyuan Jiao, Yixin Zhu, Song-Chun Zhu

IEEE Robotics and Automation Letters (RA-L) • 2022
URL

OpenFHE: Open-Source Fully Homomorphic Encryption Library

Ahmad Al Badawi, Andreea Alexandru, Jack Bates, Flavio Bergamaschi, David Bruce Cousins, Saroja Erabelli, Nicholas Genise, Shai Halevi, Hamish Hunt, Andrey Kim, Yongwoo Lee, Zeyu Liu, Daniele Micciancio, Carlo Pascoe, Yuriy Polyakov, Ian Quah, Saraswathy R.V., Kurt Rohloff, Jonathan Saylor, Dmitriy Suponitsky, Matthew Triplett, Vinod Vaikuntanathan, Vincent Zucca

Workshop on Encrypted Computing & Applied Homomorphic Cryptography (WAHC) • 2022
URL

XSPIR: Efficient Symmetrically Private Information Retrieval from Ring-LWE

Chengyu Lin, Zeyu Liu, Tal Malkin

European Symposium on Research in Computer Security (ESORICS) • 2022
URL

Oblivious Message Retrieval

Zeyu Liu, Eran Tromer

Annual International Cryptology Conference (CRYPTO) • 2022
URL

Preprints

SIMD HSS and aHMAC from Interval Encoding with Application to One-Bit-Per-Gate Garbling

Jaehyung Kim, Hanjun Li, Huijia Lin, Zeyu Liu

Preprint • 2026
URL

Laminate: Succinct SIMD-Friendly Verifiable FHE

Kabir Peshawaria*, Zeyu Liu, Ben Fisch, Eran Tromer

Preprint • 2025
URL