00972nam0-22003491i-450-99000847517040332120090804113757.00-13-238033-1000847517FED01000847517(Aleph)000847517FED0100084751720070227d2007----km-y0itay50------baengUSa---a---001yyNetwork security essentialsapplications and standardsWilliam Stallings3rd ed.Upper Saddle RiverPearson Educationc2007xvi, 413 p.ill.24 cmReti di computerSistemi di sicurezzaCrittografia005.821Stallings,William59711ITUNINARICAUNIMARCBK990008475170403321005.8-STA-54644SC1SC1Network security essentials377609UNINA