Abstract
The access control mechanisms used in traditional security infrastructures have been proven inadequate, inflexible, and difficult to apply to the Internet of today. In this work, we have proposed a general-purpose, application-independent dynamic distributed trust model (DDTM). In DDTM, access rights are directly associated with a trust value. The trust values are further classified into direct trust values, indirect trust values and trust authorization levels. We have calculated and expressed each type of the trust values into explicit numerical numbers. The core of this model is the recommendation-based trust model, organized as a trust delegation tree (TDT), and the authorization delegation realized by delegation certificate chains.
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