Ryabko, Boris. , Basics of contemporary cryptography for IT practitioners / Boris Ryabko, Andrey Fionov. - ix, 197 pages : illustrations ; 23 cm. - Series on coding theory and cryptology ; v. 1 . ISBN: 9789812564054 9812564055 Subjects--Topical Terms: Computer security.Cryptography. LC Class. No.: QA76.9.A25 / .R92 2005