密码学与网络安全Cryptography and Network Security.ppt,密码学与网络安全 Cryptography and Network Security 密码学与网络安全 Atul Kahate 要让三个人保住秘密, 其中两个人必须死亡! --本杰明 富兰克林 安全的需求 安全模型 无安全性:根本不实现安全性; 隐藏安全:
Cryp文档格式PPT 系统标签: securitychaptercryptographynetworkauthenticationencryptionmoran CryptographyandCryptographyandNetworkSecurityNetworkSecurityChapter12Chapter12FifthEditionFifthEditionbyWilliamStallingsbyWilliamStallingsLectureslidesbyLawrieBrownLectureslidesbyLawrieBrownChapter12Chapter12––MessageMessageAuthenticationCodes...
1、Network security,Foundations: what is security? Cryptography(密码学) Authentication(验证) message integrity(消息完整性编码 ) Security in practice: application layer: secure e-mail transport layer: Internet commerce, SSL, Firewalls,Friends and enemies: Alice, Bob, Trudy,well-known in network ...
Messageauthentication消息认证Dataoriginauthentication用户认证DataIntegrity(完整性)Theassurancethatdatareceivedareexactlyassentbyanauthorizedentity.(Messagesarenotaltered)保证接收与发出的内容一致,没有经过修改、插入、删除或重放1.3SecurityServices4)Non-repudiation不可抵赖(否认)性功能:Preventeithersenderorreceiverfromdenyi...
CryptographyandNetworkSecurity CryptographyandNetworkSecurity ThirdEditionbyWilliamStallings LectureslidesbyLawrieBrown 第九章–公開鑰匙密碼學與RSA 每一個埃及人都有兩個名字,分別叫做真名字與好名字,或是叫大名與小名;而好名字或是小名是大家都知道的,但是真名字或是大名則被小心地隱藏起來。—TheGoldenBough,Sir...
Cryptography and Network Security Sixth Edition by William Stallings IDS and IPS Overview 3 Definition Intrusion Detection Systems (IDS) Process of monitoring the events occurring in a computer system or network and analysing them for signs of possible incident Incidents have many causes; malware, ...
Chapter7Networksecurity Chapter 7: Network security;Friends and enemies: Alice, Bob, Trudy;What is network security?;Internet security threats;Internet security threats;Internet security threats;The language of cryptography;Symmetric key cryptography;Perfect cipher;Symmetric key crypto: DES;Symmetric key ...
cryptography network security confidentiality untrusted alice CryptographyandNetworkSecurityProf.D.MukhopadhyayDepartmentofComputerScienceandEngineeringIndianInstituteofTechnology,KharagpurModuleNo.#01LectureNo.#02OverviewonModernCryptography(ReferSlideTime:00:25)(ReferSlideTime:00:29)Welcometotoday’slecture.Today,we...
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计算机网络英文课件:Chapter8-NetworkSecurity.ppt,Public-Key Cryptography Mutual authentication using public-key cryptography Email Security PGP—Pretty Good Privacy S/MIME PGP—Pretty Good Privacy (1) PGP in operation for sending a message PGP—Pretty Go