01324nam--2200433---450-99000031461020331620020920110522.00-13-869017-00031461USA010031461(ALEPH)000031461USA01003146120001214d1999----km|y0itay0103----baengENG||||||||001yyCryptography and network securityprincipales and practiceWiliam Stallings2nd ed.New JerseyPrentice Hall1999XVII, 569 p.ill.30 cmCrittografiaReti di elaborazioneAffibilitàTeoria della codificazione005.8STALLINGS,William59711ITsalbcISBD990000314610203316005.8 STACBS 0025120005.800100149BKSCITAMI4020001214USA011627PATTY9020001214USA011846ALANDI9020010327USA01174520020403USA011639PAOLA9020020920USA011044JOHNNY9020020920USA011105PATRY9020040406USA011622Cryptography and network security377501UNISA