01120nam0-22003851i-450-99000149679040332120090804113453.00-13-869017-0000149679FED01000149679(Aleph)000149679FED0100014967920021011d1999----km-y0itay50------baengUSa---a---001yyCryptography and network securityprinciples and practiceWilliam Stallings2nd ed.Upper Saddle River [N.J.]Prentice Hallc1999xvii, 569 p.ill.24 cmrev. ed. of Network and Internetwork securityReti di computerMisure di sicurezzaSicurezza dei datiControllo dell'accessoCrittografia005.821Stallings,William59711ITUNINARICAUNIMARCBK990001496790403321005.8-STA-21551SC1SC1Cryptography and network security377501UNINA