Yaschenko, V. V.ed. Cryptography : an introduction / V.V. Yaschenko, editor. - [Providence, RI] : American Mathematical Society, c2002. - ix, 229 p. : ill. ; ISBN: 0821829866 (acidfree paper) Subjects--Topical Terms: Computer security.Cryptography. Universal Decimal Class. No.: 681.188 / YAS