n South African Computer Journal - Access control in a distributed object environment using XML and roles : research article




We discuss the design of an integrated security architecture for authorization and authentication in a distributed object environment. Our architecture will have four main components : an , an and an . The core component of our model is the session manager, which issues XML-based to authenticated users. A session certificate will be used by the authorization engine to establish the legitimacy of an access request by a user. We will also describe how the architecture supports dynamic revocation of session certificates and delegation.


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