Cryptography and Network Security 4th Ed

Stallings,William-CryptographyandNetworkSecurity4thEd-PrenticeHall-(2005)（未加密版）Asthedisciplinesofcryptographyandnetworksecurityhavematured,morepractical,readilyavailableapplicationstoenforcenetworksecurityhavedeveloped.Thistextprovidesapracticalsurveyofboththeprinciplesandpracticeofcr