Dr. Lucas C.K. Hui

BSc, MPhil HK; MSc, PhD UC Davis
Associate Professor

Tel: (+852) 2859 2190
Fax: (+852) 2559 8447
Email: hui<at>

Dr. Hui is the founder and Honorary Director of the Center for Information Security and Cryptography, and concurrently an associate professor in the Department of Computer Science, The University of Hong Kong. Dr. Hui received his BSc and MPhil degrees in computer science from The University of Hong Kong, and his MSc and PhD degrees in computer science from the University of California, Davis. Besides actively publishing research papers, he is also involved in consultation work in security systems, and in industrial collaboration projects. For instance, he is the Principal Investigator of several applied research projects relating to I.T. security with a total sum of around US$2.5 millions.

Dr. Hui's research interests include information security, authentication services, network security, cryptography, and electronic commerce. He is a senior member of IEEE.

Research Interests

Information Security, Cryptography, Electronic Commerce Technology, Computer Crime, E-Security

Selected Publications

  • K.H. Pun, L. Hui, K.P. Chow, W.W. Tsang, C.F. Chong, and H.W. Chan, Review of the Electronic Transactions Ordinance: Can the Personal Identification Number Replace the Digital Signature?, Hong Kong Law Journal, 32(2): 241-257, 2002
  • J. Yau, L. Hui, B. Cheung, S.M. Yiu, and V. Cheung, Cryptographic Schemes in Secure e-Course eXchange(eCX) for e-Course Workflow, Proceedings of the International Conference on Advances in Infrastructure for e-Business, e-Education, e-Science, e-Medicine on the Internet (SSGRR 2002s), L’Aquila, Italy, July-August 2002
  • L.C.K Hui, X. Wang, K.P. Chow, W.W. Tsang, C.F. Chong, and H.W.Chan, The Differential Analysis of Reduced Skipjack Variants from the First Round, Proceedings of the ChinaCrypt'2002 Conference, Shandong, PRC, pp.77-87, August 2002
  • B. Cheung, L. Hui, J. Zhang, and S.M. Yiu, SmartTutor: An Intelligent Tutoring System in Web-based Adult Education, Journal of Systems and Software, 2002
  • L.C.K. Hui, K.P. Chow, K.H. Pun, W.W. Tsang, H.W. Chan, and C.F.Chong, Design of a Cyber Forensic Tool. (invited paper), Proceedings of the Transnational Organized Crime Conference 2002, March 2002

Recent Research Grants

  • Study of Multi-signer Signature Scheme and Identity Authentication, Hong Kong RGC grant, 2003 - 2005, $377,149
  • Development of Digital Evidence Search Kit, Applied Research Seed Funding, University of Hong Kong, 2003 - 2004, $420,000
  • Secure Preservation of Electronic Documents, Innovation and Technology Fund, Innovation and Technology Commission, The Government of HKSAR, and various sponsors, 2002 - 2005, $7,278,000
  • Vulnerability Analysis Tools for Cryptographic Keys, Innovation and Technology Fund, Innovation and Technology Commission, The Government of HKSAR, and various sponsors, 2001 - 2002, $1,996,000
  • Strong Cryptographic Infrastructure for Electronic Commerce, Industrial Support Fund, Industry Department, HKSAR, and various sponsors, 1998 - 2001, $7,790,000
  • On the Theory and Practice of digital Signatures in Workflow, Hong Kong RGC grant, 2000 - 2002, $437,817