About Me
I am a Ph.D. candidate at Computer Science Department of The University of Hong Kong (HKU). My research interests cryptography and network security, in particular: secure two-party/multi-party computation, zero-knowledge proofs, timed cryptography, blockchain-related applications, etc.
Education
- The University of Hong Kong (HKU) Sept. 2018 – Present
- Ph.D. Candidate in Cryptography
- Joint Ph.D. Programme with SUSTech
- Supervisor: Siu-Ming Yiuopen in new window (HKU) and Qi Wangopen in new window (SUSTech)
- Southern University of Science and Technology (SUSTech) Sept. 2014 – July 2018
- B.Eng. in Computer Science and Technology
- GPA: 3.84/4.00 (Core); 3.70/4.00 (Overall)
- Thesis: An Evaluation System Based on Blockchain and Linkable Ring Signature. [Slidesopen in new window]
- Best Thesis Award in the CSE Department, SUSTech.
Publications
Towards Practical Homomorphic Time-Lock Puzzles: Applicability and Verifiability
Yi Liu, Qi Wang, Siu-Ming Yiu
In European Symposium on Research in Computer Security. ESORICS 2022. [ePrintopen in new window]
Making Private Function Evaluation Safer, Faster, and Simpler
Yi Liu, Qi Wang, Siu-Ming Yiu
In Public-Key Cryptography. PKC 2022. [ePrintopen in new window]
Improved Zero-Knowledge Argument of Encrypted Extended Permutation
Yi Liu, Qi Wang, Siu-Ming Yiu
In Information Security and Cryptology. Inscrypt 2021. [ePrintopen in new window]
Blind Polynomial Evaluation and Data Trading
Yi Liu, Qi Wang, Siu-Ming Yiu
In Applied Cryptography and Network Security. ACNS 2021. [ePrintopen in new window]
An Improvement of Multi-Exponentiation with Encrypted Bases Argument: Smaller and Faster
Yi Liu, Qi Wang, Siu-Ming Yiu
In Information Security and Cryptology. Inscrypt 2020. [ePrintopen in new window]
Manuscripts
An E-voting Protocol Based on Blockchain
Yi Liu, Qi Wang
Manuscript, 2017. [ePrintopen in new window]
Talks
Towards Practical Homomorphic Time-Lock Puzzles: Applicability and Verifiability
In European Symposium on Research in Computer Security. ESORICS 2022.
Virtual. Sept. 2022.
Making Private Function Evaluation Safer, Faster, and Simpler
In Public-Key Cryptography. PKC 2022.
Virtual. March. 2022. [Videoopen in new window]
Improved Zero-Knowledge Argument of Encrypted Extended Permutation
In Information Security and Cryptology. Inscrypt 2021.
Virtual. Aug. 2021.
Blind Polynomial Evaluation and Data Trading
In Applied Cryptography and Network Security. ACNS 2021.
Virtual. June 2021.
An Improvement of Multi-Exponentiation with Encrypted Bases Argument: Smaller and Faster
In Information Security and Cryptology. Inscrypt 2020.
Guangzhou, China. Dec. 2020.
Awards & Honors
- Best Thesis Award Department of Computer Science and Engineering of SUSTech 2018
- SUSTech Outstanding Student Scholarship (Third Prize) 2017
- SUSTech Outstanding Student Scholarship (Second Prize) 2016
- College Student Start-Up Scholarship 2014 – 2018
Experience
Teaching Assistant
- COMP2119: Introduction to Data Structures and Algorithms (HKU Fall 2021)
- CS403: Cryptography and Network Security (SUSTech Fall 2019, Fall 2020)
- COMP7904: Information Security: Attacks and Defense (HKU Spring 2019)
- CS304: Software Engineering (SUSTech Spring 2017)
- CS201: Discrete Mathematics (SUSTech Fall 2016)
- CS302: Operating System (SUSTech Spring 2016)
Research Assistant
- CoCrypto Lab Sept. 2016 – Aug. 2018
- Adviser: Qi Wang
- SUSTech Innovation Center for Data Science July 2017 – Aug. 2017
- Adviser: Rusong Zheng
- UAV and Sensor Network Lab July 2015 – Sept. 2016
- Adviser: Qi Hao
- CoCrypto Lab Sept. 2016 – Aug. 2018
Skills
C/C++, Python, LaTeX, Java, HTML/CSS, JavaScript