My research interests include high-integrity voting systems (including Scantegrity), key management for large dynamic groups, cryptanalysis, applications of cryptography, information assurance education, and theoretical foundations of cryptology.

Curriculum Vitae
Curriculum Vitae (pdf , 7/3/16)

Biographical Sketches
Biographical sketch (html)
Chess biographical sketch (ms-word)

Scholarly and Creative Works (postscript, 2/18/2008, 18 pages) - complete list

Some papers are available on-line from these old and outdated pages:
old html collection of some of papers by topic
Some of my writings on-line (very incomplete)
very out-of-date html list of publications

An exact formula for the expected wirelength between two randomly chosen terminals
Lazoff, David M., and Alan T. Sherman (revised August 2, 1994), 6 pages.
In this paper we rediscover the solution to a useful problem. Unfortuantely, due to editorial error, the published short summary omits several key references (including Sheng 1983 and Ghosh 1943) that we discuss in the revised version of our technical report:
best version (revised 8-2-1994). Additional details are in appendix to the original 20 July 1994 report.

Current Grants
DoD CAE-R grant for CATS project
NSF SFS Scholarships to UMBC
NSF supplement

Some on-line course documents
How-to's and generic course documents

Notable Facts