01087nam a2200289 i 4500991002739269707536070801s2005 flua b 001 0 eng d1584884703b13572842-39ule_instDip.to Matematicaeng005.8222AMS 94-01LC QA76.9.A25M67Mollin, Richard A.65944Codes :the guide to secrecy from ancient to modern times /Richard A. MollinBoca Raton :Chapman & Hall/CRC,c2005xx, 679 p. :ill., ports ;24 cmDiscrete mathematics and its applicationsIncludes bibliographical references (p. 605-626) and indexComputer securityData encryption (Computer science).b1357284228-01-1401-08-07991002739269707536LE013 94-XX MOL11 (2005)12013000206066le013pE72.80-l- 04440.i1456610227-09-07Codes1219284UNISALENTOle01301-08-07ma -engflu00