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Design and implementation of a secure and flexible access-right delegation for resource constrained environments

机译：针对资源受限环境的安全灵活的访问权限委派的设计和实现

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With the emergence of the Internet of Things (IoT) technology, devices are becoming more ubiquitous and openly accessible to the users. Commonly, loT devices are constrained in nature (e.g. in memory, computational and battery capacity) and supposed to perform in constrained environment (e.g. restricted communication bandwidth). In these constrained environments, access control is a major challenge. Among other concerns, delegation of access right is crucial for securing flexible access to resources. Previous approaches to delegation in the context of the loT are mostly static in nature and do not consider the distributed essence of loT systems. Moreover, they consider a highly resourceful environment for delegation. In this paper, we present a novel capability-based access right delegation framework designed specifically for loT systems. Our design, in particular, relies on light weight symmetric-key cryptography. We provide a detailed system description and compare the performance of the proposed framework with both centralized and decentralized implementations. Our results indicate that our design efficiently provides a fine-grained, dynamic and secure access right delegation for loT devices in constrained environments. (C) 2019 Elsevier B.V. All rights reserved.
机译：随着物联网（IoT）技术的出现，设备变得越来越普及，并且对用户开放。通常，loT设备在性质上受到限制（例如，在存储器，计算和电池容量方面），并且应该在受限环境（例如，受限的通信带宽）中执行。在这些受限的环境中，访问控制是一个重大挑战。除其他问题外，访问权的授予对于确保灵活访问资源至关重要。先前在loT上下文中进行委派的方法本质上大多是静态的，没有考虑loT系统的分布式本质。此外，他们认为授权的资源非常丰富。在本文中，我们提出了一个专门针对loT系统设计的新颖的基于功能的访问权限委托框架。特别是，我们的设计依赖于轻量级的对称密钥加密技术。我们提供了详细的系统描述，并比较了所提出的框架与集中式和分散式实施的性能。我们的结果表明，我们的设计有效地为受限环境中的loT设备提供了细粒度，动态和安全的访问权限委派。 （C）2019 Elsevier B.V.保留所有权利。

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