Trust management languages and complexity
作者： Krzysztof Sacha
DOI: 10.1007/978-3-642-25106-1_12
关键词: Computational trust 、 Computer science 、 Trust anchor 、 Electronic document 、 Computer security 、 Trust management (information system) 、 Resource (project management) 、 Set (abstract data type) 、 Knowledge management 、 Credential 、 Access control
摘要: Trust management is a concept of automatic verification access rights against distributed security policies. A policy described by set credentials that define membership roles and delegation authority over resource between the members roles. Making an control decision equivalent to resolving credential chain requester role, which are authorized use resource. electronic document, formulated using trust language. This way, languages tool for describing specifying policies in flexible modifiable way. paper discusses expressive power languages, describes new extension Role-based Managements language RTT, evaluates complexity algorithm used answering queries.
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