Encryption methods based on combinatorial designs

We explore the use of some combinatorial designs for possible use as secret codes. We are motivated to use designs as (1) combinatorial designs are often hard to find, (2) the algorithms for encryption ond decryption are of reasonable length, (3) combinatorial designs have very large numbers of designs in each equivalence class lending themselves readily to selection using a secret key. Disciplines Physical Sciences and Mathematics Publication Details Sarvate, DG and Seberry, J, Encryption methods based on combinatorial designs Ars Combinatoria, 21A, 1986, 237-246. This journal article is available at Research Online: http://ro.uow.edu.au/infopapers/1019 Encryption Methods Bllsed on Combinlltorilll Designs Dinesh G. Sarvate and Jennifer Seberry Ba3:ser Department of COmputer Sciera , UnlYe"Hy of Sydney NSW,2006, Australia.