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1、1000-9825/2004/15(11)1680©2004JournalofSoftware软件学报Vol.15,No.11∗基于量化权限的门限访问控制方案1,2+113雷浩,冯登国,周永彬,黄建1(中国科学院软件研究所信息安全国家重点实验室,北京100080)2(中国科学院研究生院,北京100039)3(牛津大学计算实验室,伦敦OX13QD,英国)ThresholdAccessControlSchemeBasedonQuantifyingPermission1,2+113LEIHao,FENGDeng-Guo,Z
2、HOUYong-Bin,HUANGJian1(StateKeyLaboratoryofInformationSecurity,InstituteofSoftware,TheChineseAcademyofSciences,Beijing100080,China)2(GraduateSchool,TheChineseAcademyofSciences,Beijing100039,China)3(ComputingLaboratory,OxfordUniversity,LondonOX13QD,England)+Corr
3、espondingauthor:Phn:+86-10-62528254ext803,E-mail:leihao00@iscas.cn,http://www.is.iscas.ac.cnReceived2003-06-09;Accepted2004-07-06LeiH,FengDG,ZhouYB,HuangJ.Thresholdaccesscontrolschemebasedonquantifyingpermission.JournalofSoftware,2004,15(11):1680~1688.http://ww
4、w.jos.org.cn/1000-9825/15/1680.htmAbstract:Secretprotectionisstudiedafterintroducingthequantifyingpermissionideaintheviewofaccesscontrol.Meta-Permissionisderivedfromtheviewof‘quality’and‘quantity’inphilosophy.Comparedwithtraditionalcognitionandpermissionusedina
5、ccesscontrol,itcomprehensivelyanddeeplyreflectstheessenceofpermission.CombiningwiththethresholdideaandRBAC,athresholdaccesscontrolschemebasedonquantifyingpermissionisproposed.Thisschemeisapplicableaswidelyassecret-sharingscheme,andsharesthesamefunctioninprotect
6、ingsecret.Furthermore,ithassomedistinctadvantagessuchasnorelationinknowledgebetweenthesecretpiecesholdbyparticipantsandtheprotectivesecrettarget,theabilityforexpressingthedifferenceamongparticipants’trustworthiness,andthelowcomplexityincomputing.Keywords:quanti
7、fyingpermission;thresholdscheme;meta-permission;role摘要:研究了在引入量化权限观点后从访问控制角度实现秘密保护的问题.元权限是从哲学上“质”和“量”的角度认识传统意义上的权限所探究出的新概念,较以往访问控制中认识和使用权限而言,它全面而深入地反映了权限这一概念的本质.进一步结合门限思想和基于角色的访问控制机制所提出的基于量化权限的门限访问控制方案,从∗SupportedbytheNationalNaturalScienceFoundationofChinaunder
8、GrantNo.60273027(国家自然科学基金);theNationalHigh-TechResearchandDevelopmentPlanofChinaunderGrantNo.2002AA141080(国家高技术研究发展计划(863));theNationalOutstandingYoungScientistsFoundationof
