计算机网络第11章:网络安全.ppt,Network Security 网络安全问题概述 一般的数据加密模型 对称密钥和公钥密码体制 数字签名 防火墙 访问控制列表ACL 明文 X 截获 密文 Y 一般的数据加密模型 加密密钥 K 明文 X 密文 Y 截取者 篡改 A B E 运算 加密算法 D 运算 解密算法 因特
MaintainNetworkSecurity Recently,thenewsthatU.SattackonChineseInternetisexposed.Intheeraofrapiddevelopmentofnetwork,wemusttakemeasurestoprotectoursecurityofprivacyandpropertyeffectively.weneedtodistinguishrightfromlotsofwebsites.Furthermore,itisinevitablethatsomesecureanti-virussoftwarescanbeinstalled.最近的新闻都揭示了...
- Importance of network security - Key network security measures - Best practices to enhance network security Slide 10: References: - Cite any sources and references used in the presentation Note: This PPT provides a basic outline for a presentation on network security in English. You may add ...
4、t U.S attack on Chinese Internet is exposed. In the era of rapid development of network, we must take measures to protect our security of privacy and property effectively. we need to distinguish right from lots of websites. Furthermore, it is inevitable that some secure anti-virus soft...
61、on Protocol):WSP向WAP应用层提供两个会话服务的统一接口,一个是在传输层协议WTP之上的面向连接的服务,另一个是在安全或非安全数据报服务(WDP)之上的非连接服务。WSP系列协议针对低功率、长等待时间的网络数据载体进行了优化,它现在由浏览应用的服务组成(WSP/Browsing),WSP/B允许使用WAP Proxy连接WSP/B的客户...
So either must use over a reliable network transport layer (pretty usual) or use OFB. * Have many locations where attacks can occur in typical scenarios. * This is one of the most critical areas in security systems - on many occasions systems have been broken, not because of a poor ...
Inthispresentation,wewillexploretheessentialsofenterprisenetworksecurityandprovidepracticalstrategiestoprotectyourorganizationagainstcyberthreats.WhyNetworkSecurityisCrucial 1ConstantThreats Withincreasing 2Reputation Protection sophisticationincyber Asuccessfulsecurity attacks,networksecurity breachcandamagean iscriticalto...
SecurityRequirements confidentiality-protectdatacontent/access integrity-protectdataaccuracy availability-ensuretimelyservice authenticity-protectdataorigin PassiveAttacks eavesdroppingontransmissions toobtaininformation releaseofpossiblysensitive/confidentialmessagecontents ...
DataAuthenticationAlgorithm(DAA)isawidelyusedMACbasedonDES-CBCusingIV=0andzero-padoffinalblockencryptmessageusingDESinCBCmodeandsendjustthefinalblockastheMACortheleftmostMbits(16≤M≤64)offinalblock 精。选。文档 DataAuthenticationAlgorithm(DAA)精。选。文档 AlternativetoMessageAuthenticationCodeAcceptsavariable...
onNetworkSecurity NetworkSecurityEssentials: ApplicationsandStandards,4/E WilliamStallings ISBN-10:0136108059 ISBN-13:9780136108054 Publisher:PrenticeHall Copyright:2011 Format:Paper;432pp Published:03/12/2010 http://williamstallings/NetSec/NetSec4e.html ...