Chenkai Weng (翁晨凯)
Computer Science Department
Northwestern University
[CV]
[Research Statement]
[Google Scholar]
[DBLP]
About
I'm a fifth year PhD student at Northwestern University. My advisor is Professor Xiao Wang.
My interest lies in Cryptography with a focus on Secure Multi-Party Computation and Zero-Knowledge Proofs.
I'm a recipient of JPMorgan PhD Fellowship.
Publications
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Scalable Zero-knowledge Proofs for Non-linear Functions in Machine Learning
Meng Hao, Hanxiao Chen, Hongwei Li, Chenkai Weng, Yuan Zhang, Haomiao Yang, Tianwei Zhang
USENIX Security 2024 -
Privacy-Preserving Regular Expression Matching using TNFA
Ning Luo, Chenkai Weng, Jaspal Singh, Gefei Tan, Mariana Raykova, Ruzica Piskac
ESORICS 2024 [eprint (full version)] -
ZKSQL: Verifiable and Efficient Query Evaluation with Zero-Knowledge Proofs
Xiling Li, Chenkai Weng, Yongxin Xu, Xiao Wang, Jennie Rogers
VLDB 2023 [report] [code] -
SUPERPACK: Dishonest Majority MPC with Constant Online Communication
(*alphabetical order) Daniel Escudero, Vipul Goyal, Antigoni Polychroniadou, Yifan Song, Chenkai Weng
Eurocrypt 2023 [eprint] [code] -
AntMan: Interactive Zero-Knowledge Proofs with Sublinear Communication
Chenkai Weng, Kang Yang, Zhaomin Yang, Xiang Xie, and Xiao Wang
CCS 2022 [eprint] -
More Efficient Secure Matrix Multiplication for Unbalanced Recommender Systems
Zhicong Huang, Cheng Hong, Wen-jie Lu, Chenkai Weng, Hunter Qu
TDSC [link] -
Constant-Overhead Zero-Knowledge for RAM Programs
(*alphabetical order) Olive Franzese, Jonathan Katz, Steve Lu, Rafail Ostrovsky, Xiao Wang, Chenkai Weng
CCS 2021 [eprint] [code] -
Mystique: Efficient Conversions for Zero-Knowledge Proofs with Applications to Machine Learning
Chenkai Weng, Kang Yang, Xiang Xie, Jonathan Katz, Xiao Wang
USENIX Security 2021 [eprint] [code] [video] -
QuickSilver: Efficient and Affordable Zero-Knowledge Proofs for Circuits and Polynomials over Any Field
Kang Yang, Pratik Sarkar, Chenkai Weng, Xiao Wang
CCS 2021 (Best Paper Award runner-up) [eprint] [code] [video] -
Wolverine: Fast, Scalable, and Communication-Efficient Zero-Knowledge Proofs for Boolean and Arithmetic Circuits
Chenkai Weng, Kang Yang, Jonathan Katz, Xiao Wang
S&P 2021 [eprint] [preview] [full video] -
Developing High Performance Secure Multi-Party Computation Protocols in Healthcare: A Case Study of Patient Risk Stratification
Xiao Dong, David Randolph, Chenkai Weng, Abel Kho, Jennie Rogers, Xiao Wang
AMIA 2021 Informatics Summit [report] -
Ferret: Fast Extension for coRRElated oT with small communication
Kang Yang, Chenkai Weng, Xiao Lan, Jiang Zhang, Xiao Wang
CCS 2020 [eprint] [code] [video] -
Better Concrete Security for Half-Gates Garbling (in the Multi-Instance Setting)
(*alphabetical order) Chun Guo, Jonathan Katz, Xiao Wang, Chenkai Weng, Yu Yu
CRYPTO 2020 [eprint] [video]
Manuscripts
Invited Talks
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SUPERPACK: Dishonest Majority MPC with Constant Online Communication
-- Eurocrypt 2023 link
-- NYU Crypto reading group link
-- UPenn Security Seminar
-- CMU Cylab Crypto Seminar link video -
Efficient and Scalable Zero-Knowledge Proofs Based on Vector Oblivious Linear evaluation
-- Security and privacy seminar at Duke Univeristy link
-- CS talk at Yale University link
-- JPMorgan AlgoCRYPT Seminar
Contact Me
Address: 3124 Seeley Mudd, 2233 Tech Dr, Evanston, IL, 60208
Email: ckweng@u.northwestern.edu