Traust: A Trust Negotiation-Based Authorization Service for Open Systems

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Provided by: Association for Computing Machinery
Topic: Security
Format: PDF
In recent years, Trust Negotiation (TN) has been proposed as a novel access control solution for use in open system environments in which resources are shared across organizational boundaries. Researchers have shown that TN is indeed a viable solution for these environments by developing a number of policy languages and strategies for TN which has desirable theoretical properties. Further, existing protocols, such as TLS, have been altered to interact with prototype TN systems; thereby illustrating the utility of TN. Unfortunately, modifying existing protocols is often a time-consuming and bureaucratic process which can hinder the adoption of this promising technology.
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