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《一种基于多路径网络编码的匿名通信机制.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、万方数据ISSN1000-9825,CODENRUXUEWJournalofSoftware,V01.21,No.9,September2010,PP.2338—2351doi:10.3724/SP.J.1001.2010.03612obyInstituteofSoftware,theChineseAcademyofSciences.Allrightsreserved·一种基于多路径网络编码的匿名通信机制段桂华,王伟平+,王建新,杨路明(中南大学信息科学与工程学院,湖南长沙410083)AnonymousCommunicationMechanismwi
2、thMulti-PathsNetworkCodingDUANGui.Hua,WANGWei·Ping+,WANGJian—Xin,YANGLu-Ming(SchoolofInformationScienceandEngineering,CentralSouthUniversity,Changshan410083,China)+Correspondingauthor:E·mail:wpwang@mail.CSU.edu.cnE-mail:jos@iscas.ac.∞http://www.jos.org.cnTbl/Fax:+86—10.62562563D
3、uanGH,WangWP,WangJX,YangLM.Anonymouscommunicationmechanismwithmulti-pathsnetworkcoding.JournalofSoftware,2010,21(9):2338-2351.http://www.jos.org.cn/1000-9825/3612.htmAbstract:ThispaperfirstproposesanewinformationslicingandtransmittingmethodITNC(informationslicingandtransmittingw
4、ithmulti.pathnetworkcoding)withmulti-pathsnetworkcoding.Next,anovelanonymouscommunicationmechanismAC.ITNC(anonymouscommunicationmechanismbasedonITNC)withoutkeyinfrastructure,whichisbasedonITNC,ispresented.Inthenewmechanism,theanonymouspathsetupinformationisslicedintopieces,andev
5、erypieceiscodedbytherandomcodingcoefficient.Thecodingcoefficientandcodedinformationpiecesaredeliveredalongdifferentpaths,whichmaketheanonymouspathsbesetupinthecaseofnon—cryptographicscheme.TheoreticalanalysisandsimulationresultsshowthatAC·ITNCcansignificantlyimproveresistanceaga
6、instconspiracyattacksinananonymouscommunicationsystemwithincompletedistributedenvironmentwithoutkeyinfrastructure.Keywords:anonymouscommunication;networkcoding;multi-paths;conspiracyattack;networksecurity摘要:提出了基于多路径网络编码的信息分割传输策略ITNC(informationslicingandtransmittingwithmulti-pat
7、hnetworkcoding).并基于ITNC提出了一种无需密钥基础设施的匿名通信机制AC—ITNC(anonymouscommunk:ationmechanismbasedonITNC).该机制将建路信息分割后编码传送,每个编码节点都对转发信息进行再次随机编码.编码系数与编码信息沿不同编码路径分离传输,从而可以在不需要密钥机制的情况下进行匿名建路.理论分析与仿真结果表明,AC—ITNC与单纯依靠源节点信息分割而中间节点不编码的匿名建路机制相比,显著提高了匿名系统的抗合谋攻击能力.关键词:匿名通信;网络编码:多路径;合谋攻击;网络安全中图法分类号:TP
8、309文献标识码:A·SupportedbytheNationalNaturalScience
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