A Fine Grained Access Control Model Based on Diverse Attributes

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Provided by: Global Journals
Topic: Security
Format: PDF
As the web has become a place for sharing of information and resources across varied domains, there is a need for providing authorization services in addition to authentication services provided by Public Key Infrastructure (PKI). In distributed systems the use of Attribute Certificates (AC) has been explored as a solution for implementation of authorization services and their use is gaining popularity. AC issued by Attribute Authority (AA) facilitates identification of a service requester and can be used to enforce access control for resources. AC of a service requester is used as part of credentials supplied during the service request for accessing any resource.
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