Chenkai Weng (翁晨凯)

School of Computing and Augmented Intelligence
Arizona State University
[CV] [Google Scholar] [DBLP]

I'm an Assistant Professor of Computer Science at Arizona State University.
My interest lies in applied cryptography. I mainly focus on secure multi-party computation and zero-knowledge proofs.

Perspective students: Please contact me with your CV and a brief self-introduction.

Articles in refereed conferences

  1. Dishonest Majority Constant-Round MPC with Linear Communication from DDH
    Vipul Goyal, Junru Li, Ankit Kumar Misra, Rafail Ostrovsky, Yifan Song, Chenkai Weng
    Asiacrypt 2024 [eprint]

  2. Multi-Verifier Zero-Knowledge Proofs for Any Constant Fraction of Corrupted Verifiers
    Daniel Escudero, Antigoni Polychroniadou, Yifan Song, Chenkai Weng
    CCS 2024 [eprint]

  3. Precio: Private Aggregate Measurement via Oblivious Shuffling
    Kim Laine, Betül Durak, Chenkai Weng, Melissa Chase, Erik Anderson
    CCS 2024 [eprint]

  4. 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

  5. Privacy-Preserving Regular Expression Matching using TNFA
    Ning Luo, Chenkai Weng, Jaspal Singh, Gefei Tan, Mariana Raykova, Ruzica Piskac
    ESORICS 2024 [eprint (full version)]

  6. ZKSQL: Verifiable and Efficient Query Evaluation with Zero-Knowledge Proofs
    Xiling Li, Chenkai Weng, Yongxin Xu, Xiao Wang, Jennie Rogers
    VLDB 2023 [report] [code]

  7. SUPERPACK: Dishonest Majority MPC with Constant Online Communication
    Daniel Escudero, Vipul Goyal, Antigoni Polychroniadou, Yifan Song, Chenkai Weng
    Eurocrypt 2023 [eprint] [code]

  8. AntMan: Interactive Zero-Knowledge Proofs with Sublinear Communication
    Chenkai Weng, Kang Yang, Zhaomin Yang, Xiang Xie, and Xiao Wang
    CCS 2022 [eprint]

  9. Constant-Overhead Zero-Knowledge for RAM Programs
    Olive Franzese, Jonathan Katz, Steve Lu, Rafail Ostrovsky, Xiao Wang, Chenkai Weng
    CCS 2021 [eprint] [code]

  10. 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]

  11. 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]

  12. 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]

  13. 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 [report]

  14. Ferret: Fast Extension for coRRElated oT with small communication
    Kang Yang, Chenkai Weng, Xiao Lan, Jiang Zhang, Xiao Wang
    CCS 2020 [eprint] [code] [video]

  15. Better Concrete Security for Half-Gates Garbling (in the Multi-Instance Setting)
    Chun Guo, Jonathan Katz, Xiao Wang, Chenkai Weng, Yu Yu
    CRYPTO 2020 [eprint] [video]

Journal Papers

  1. An Efficient ZK Compiler from SIMD Circuits to General Circuits
    Dung Bui, Haotian Chu, Geoffroy Couteau, Xiao Wang, Chenkai Weng, Kang Yang, Yu Yu
    The Journal of Cryptology [eprint]

  2. More Efficient Secure Matrix Multiplication for Unbalanced Recommender Systems
    Zhicong Huang, Cheng Hong, Wen-jie Lu, Chenkai Weng, Hunter Qu
    TDSC [link]

Contact Me

Address: Brickyard Engineering, 699 S Mill Ave, Office 486, Tempe, AZ 85281

Email: Chenkai.Weng@asu.edu