Journal Papers

A simplified combinatorial treatment of constructions and threshold gaps of ramp schemes.  Cryptography and Communications - Discrete Structures, Boolean Functions and Sequences, (to appear) with D.R. Stinson  journal.  eprint

A unified approach to combinatorial key predistribution schemes for sensor networks. Designs, Codes and Cryptography, (to appear), with D.R. Stinson. journal  eprint

Constructions for retransmission permutation arrays.  Designs, Codes and Cryptography, 65(3):325-351, 2012 with J. H. Dinitz, D.R. Stinson, R. Wei. journal

Putting dots in triangles. The Journal of Combinatorial Mathematics and Combinatorial Computing, 78:23-32, 2011, with S.R. Blackburn, D.R. Stinson. arxiv

Error decodable secret sharing and one-round perfectly secure message transmission for general adversary structures. Cryptography and Communications - Discrete Structures, Boolean Functions and Sequences, 3(2):65-86, 2011, with K.M. Martin, D.R. Stinson.  journal  eprint

Honeycomb arrays. The Electronic Journal of Combinatorics, 17(1):R172, 2010, with S.R. Blackburn, A. Panoui, D.R. Stinson.  journal  arxiv

Key predistribution for homogeneous wireless sensor networks with group deployment of nodes. ACM Transactions on Sensor Networks, 7(2):11, 2010, with K.M. Martin, D.R. Stinson. journal eprint

Yet another hat game.  The Electronic Journal of Combinatorics, 17(1):R86,  2010, with D.R. Stinson. journal arxiv

Distinct-difference configurations: multihop paths and key predistribution in sensor networks. IEEE Transactions in Information Theory, 56(8):3961-3972, 2010, with S.R. Blackburn, T. Etzion, K.M. Martin. journal arxiv

Two-dimensional patterns with distinct differences -constructions, bounds, and maximal anticodes. IEEE Transactions in Information Theory, 56(3):1216-1229, 2010, with S.R. Blackburn, T. Etzion, K.M. Martin. journal arxiv

Combinatorial batch codes. Advances in Mathematics of Communications, 3(1):13-27, 2009, with D.R. Stinson and R.Wei. journal eprint

Two attacks on a sensor network key distribution scheme of Cheng and Agrawal. Journal of Mathematical Cryptology, 2(4):393-403, 2008, with D.R. Stinson. journal eprint.

A geometric view of cryptographic equation solving. Journal of Mathematical Cryptology, 2(1):63-107, 2008, with S.Murphy. journal

Sliding-window dynamic frameproof codes. Designs, Codes and Cryptography, 42(2):195-212, 2007. journal 

Sequential and dynamic frameproof codes. Designs, Codes and Cryptography, 42(3):317-326, 2007. journal 

Conference Papers

Geometric ideas for cryptographic equation solving in even characteristic. 12th IMA International Conference on Cryptography and Coding 2009, LNCS vol. 5921:202-221,2009,  with S. Murphy. journal

Ultra-lightweight key predistribution in wireless sensor networks for monitoring linear infrastructure. WISTP 2009, LNCS vol.  5746:143-152, 2009, with K.M. Martin. journal 

Efficient key predistribution for grid-based wireless sensor networks. Third International Conference on Information Theoretic Security ICITS 2008, LNCS vol. 5155:64-69, 2008, with S.R. Blackburn, T. Etzion, K.M. Martin. journal

Key refreshing in wireless sensor networks. Third International Conference on Information Theoretic Security ICITS 2008, LNCS vol. 5155:156-170, 2008, with S.R. Blackburn, K.M. Martin, D.R. Stinson. journal

An application-oriented framework for wireless sensor network key establishment. Electronic Notes in Theoretical Computer Science. 192(2):31-41, 2008, with K.M. Martin. (proceedings of WCAN '07) journal 

Preprints

Broadcast-enhanced key predistribution schemes. 2012, with M. Kendall, K.M. Martin, S-L Ng, D.R. Stinson. eprint

A coding theory foundation for the analysis of general unconditionally secure proof-of-retrievability schemes for cloud storage. 2012, with D.R. Stinson, J. Upadhyay.  eprint