Internet of Things (IoT) is a network of devices that communicate with each other through the internet and provides intelligence to industry and people. These devices are running in potentially hostile environments, so the need for security is critical. Trust Management aims to ensure the reliability of the network by assigning a trust value in every node indicating its trust level. This paper presents an exhaustive survey of the current Trust Management techniques for IoT, a classification based on the methods used in every work and a discussion of the open challenges and future research directions.

翻译：物联网（Internet of Things，IoT）是一个通过互联网相互通信并为企业与个人提供智能化服务的设备网络。这些设备运行于潜在敌对环境中，因此安全性至关重要。信任管理旨在通过为每个节点分配表征其可信度的信任值来确保网络可靠性。本文对现有物联网信任管理技术进行了全面综述，基于各研究方法进行了分类，并探讨了当前面临的开放性挑战及未来研究方向。