{"title":"Understanding trust management systems","authors":"Stephen Weeks","doi":"10.1109/SECPRI.2001.924290","DOIUrl":null,"url":null,"abstract":"We present a mathematical framework for expressing trust management systems. The framework makes it easier to understand existing systems and to compare them to one another as well as to design new systems. The framework defines the semantics of a trust management engine via a least fixpoint in a lattice, which, in some situations, leads to an efficient implementation. To demonstrate its flexibility, we present KeyNote and SPKI as instantiations by the framework.","PeriodicalId":20502,"journal":{"name":"Proceedings 2001 IEEE Symposium on Security and Privacy. S&P 2001","volume":"8 1","pages":"94-105"},"PeriodicalIF":0.0000,"publicationDate":"2001-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"153","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings 2001 IEEE Symposium on Security and Privacy. S&P 2001","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/SECPRI.2001.924290","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 153
Abstract
We present a mathematical framework for expressing trust management systems. The framework makes it easier to understand existing systems and to compare them to one another as well as to design new systems. The framework defines the semantics of a trust management engine via a least fixpoint in a lattice, which, in some situations, leads to an efficient implementation. To demonstrate its flexibility, we present KeyNote and SPKI as instantiations by the framework.
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