Program Commitees

• NDSS 2024, Usenix Security 2021-24, EuroS&P 2024, CCS 2014, 22-23, RAID 2023
• Crypto 2019, AsiaCrypt 2012-2017, 2023, CT-RSA 2020, PKC 2015
• Web 2019, 21-24, PETS 2018, 21-23 (Quality/Top Senior PC in '23/'22)
• Infocom 2015-2019 (Distinguished TPC in 2018), ICDCS 2015-16, 20-23
• IJCAI 2022-'23 (Distinguished PC Member in '22), Financial Crypt. 2013-15

People

• Jack P. K. Ma, defended on Aug 3, 2023, BSc(CUHK)
  (working on Anonymous Credentials, Secure Multi-party Computation)
• Harry W. H. Wong, defended on Aug 24, BSc(CUHK)
  (working on Lattice-Based Cryptography, Threshold Cryptography)
• Minxin Du, defended on Sep 5, MS(WHU), BS-HongYi(WHU)
  (working on Differential Privacy, internd at Huawei)
• Huangting Wu, BSc(CUHK)
  (working on Pairing-Based Cryptography)
• Yu Zheng, BEng(NEU)
  (working on Machine Learning and Differential Privacy)
• Andes Y. L. Kei, BEng(CUHK), HK PhD Fellowship (HKPFS) Awardee
  (working on AI and Blockchain)
• Ying-yu Pan, MSc, BEng(BUPT)

Funded Projects

• Decentralizing Cryptosystems, HKD 838K
• Deep Learning with Privacy, HKD 731K
• Password-Hardening Services, HKD 875K
• Sublinear Multi-Writer Searchable Encryption, HKD 700K
• Searchable Encryption: General Framework and Practical Constructions, HKD 693K
• Accountable Privacy in Online Communications, HKD 916K

Teaching

• IEMS 5725 - Blockchain and Applications
• IERG 5710B - Cryptography, Info. Security and Privacy
• IERG 4150 - Introduction to Cryptography
• ENGG 5383 / IERG 5240 - Applied Cryptography
• IERG 5590 / IEMS 5709 - Advanced Topics in Blockchain
• IERG 5310 - Security and Privacy in Cyber Systems
• DSME 6788 - Cyber Security
• IERG 4220 - Secure Software Engineering
• IERG 4130 / ESTR 4306 - Introduction to Cyber Security

Research (Selected)

Searchable Encryption

• [NDSS 2024] Unus pro omnibus: Multi-Client Searchable Encryption via Access Control
• [Usenix Security 2022] Omnes pro uno: Practical Multi-Writer Encrypted Database
• [DBSec 2021] Simple Storage-Saving Structure for Volume-Hiding Encrypted Multi-Maps (Best Student Paper Award)

Machine Learning

• [S&P 2023] SoK: Cryptographic Neural-Network Computation

Cryptography

• [NDSS 2024] Secure Multiparty Computation of Threshold Signatures Made More Efficient
• [NDSS 2023] Real Threshold ECDSA
• [RAID 2023] How (Not) to Build Threshold EdDSA
• [ISIT 2023] Unconditionally Secure Access Control Encryption
• [ACNS 2023] Anonymous (Hierarchical) Identity-Based Encryption from Broader Assumptions

Cryptocurrency

• [CSF 2023] On Sustainable Ring-Based Anonymous Systems
• [ICDCS 2023] Towards Decentralized Adaptive Control of Cryptocurrency Liquidity via Auction
• [ICDCS 2021] LDSP: Shopping with Cryptocurrency Privately and Quickly under Leadership

Differential Privacy

• [CCS 2023] DP-Forward: Fine-tuning and Inference on Language Models with Differential Privacy in Forward Pass
• [TheWeb 2023] Sanitizing Sentence Embeddings (and Labels) for Local Differential Privacy

Privacy-Enhancing Cryptography

• [EuroS&P 2023] SMART Credentials in the Multi-queue of Slackness
• [AsiaCCS 2022] Secure-Computation-Friendly Private Set Intersection from Oblivious Compact Graph Evaluation
• [ACSAC 2021] Sipster: Settling IOU Privately and Quickly with Smart Meters