Stinson Douglas R Cryptography Theory and practice. - 3rd - Boca Raton Chapman & Hall /CRC 2013 - 593p cm. ISBN: 1390 Standard No.: 118144 Source: 254, 26/11/2012, Classic Book Service Textual Subjects--Topical Terms: I I C Dewey Class. No.: D6,8(B),942, P6 P6;1