信任模型现状及进展

Actuality and Development of Trust Model

信任模型作为一种新颖的安全问题解决方案被引入,以解决当前的分布式系统的可信评估问题.其基本思想是基于实体的历史行为对其可信性进行界定和预期,依此为其他主体交互目标实体的选择提供参考.介绍了信任模型的现状及进展,以及信任模型中的基本概念,深入剖析了信任模型中应解决的关键问题,讨论了一些典型的信任模型,最后对目前研究中存在的问题进行了探讨.

Trust model was proposed as a promising methodology to solve the question of the trust evaluation in a distributed system.The basic idea is to define and expect the entity trustiness according to the history behavior of an entity,and the trustiness is an important reference for choosing an object entity to cooperate.In this paper,the concept of the trust model and the situation of the study were introduced,the key issues of trust model was analyzed in detail,which was followed by the introduction of some typical trust models.Finally the problems which existed in the present were discussed.