Applied Cryptography, secure multi-party computation, especially in the cloud setting
Access control problem in general, and password authentication
Network Security
Publications
Third-Party DFA Evaluation on Encrypted Files, Lei Wei and Michael Reiter, Technical Report, 2011. (pdf)
Bounded Vector Signatures and their Applications, Lei Wei, Scott Coull and Michael Reiter, in Proceedings of 6th ACM Symposium on Information, Computer and Communications Security, 2011. (pdf)
Summary-Invisible Networking: Techniques and Defenses, Lei Wei, Michael Reiter and Ketan Mayer-Patel, In Proceedings of 13th Information Security Conference (ISC), 2010. (pdf)