Chair of the International Cryptography Institute: Global Challenges, sponsored by the National Intellectual Property Law Institute
Research areas: computer and communications security, including encryption, database security,
multilevel security, intrusion detection, and computer crime.
Author of Cryptography and Data Security and numerous papers.
Research interests are in cryptography, combinatorics
and their interactions, and algorithms and computational complexity.
Research topics in cryptography include authentication codes, secret sharing schemes,
universal hashing, resilient functions, broadcast encryption, and key distribution protocols.
Cryptography Theory and Practice
Journal of Combinatorial Designs (and other journals)