LETM-IoT:物联网网络中针对假人攻击的轻量级高效信任机制

IF 4.4 3区 计算机科学 Q1 COMPUTER SCIENCE, INFORMATION SYSTEMS
Jawad Hassan , Adnan Sohail , Ali Ismail Awad , M. Ahmed Zaka
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引用次数: 0

摘要

物联网(IoT)作为将各种物理设备连接到互联网的一种手段,近来已变得越来越重要,从而使各种创新应用成为可能。然而,由于物联网网络生成和传输的数据量巨大,其安全性成为一个重大问题。物联网设备的资源有限,加上其移动性和多样性特点,给路由协议(如低功耗和有损网络路由协议(RPL))的安全性带来了巨大挑战。它缺乏针对路由攻击(包括 Sybil 和等级攻击)的有效防御机制。为解决这一问题,人们提出了各种技术,包括密码学和入侵检测系统。这些技术在物联网节点上的使用因其低功耗和有损特性而受到限制,这主要是由于它们涉及大量的计算开销。此外,由于计算、内存和能源成本较高,用于解决安全问题的传统信任管理系统也需要改进。因此,本文针对资源有限的物联网网络提出了一种新颖、轻量级和高效的基于信任的机制(LETM-IoT),以缓解Sybil攻击。我们在 Contiki 操作系统模拟器 Cooja 中进行了大量模拟,以评估所提出的 LETM-IoT 对三种 Sybil 攻击(A、B 和 C)的有效性。此外,还与标准 RPL 和最先进的方法进行了比较。实验结果表明,LETM-IoT 在平均数据包交付率方面比这两种方法高出 0.20 个百分点,真阳性率高出 1.34 个百分点,能耗高出 2.5%,内存利用率高出 19.42%。所得结果还显示,由于存在嵌入式安全模块,LETM-IoT 的存储消耗比标准 RPL 增加了 5.02%。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
LETM-IoT: A lightweight and efficient trust mechanism for Sybil attacks in Internet of Things networks

The Internet of Things (IoT) has recently gained significance as a means of connecting various physical devices to the Internet, enabling various innovative applications. However, the security of IoT networks is a significant concern due to the large volume of data generated and transmitted over them. The limited resources of IoT devices, along with their mobility and diverse characteristics, pose significant challenges for maintaining security in routing protocols, such as the Routing Protocol for Low-Power and Lossy Networks (RPL). This lacks effective defense mechanisms against routing attacks, including Sybil and rank attacks. Various techniques have been proposed to address this issue, including cryptography and intrusion-detection systems. The use of these techniques on IoT nodes is limited by their low power and lossy nature, primarily due to the significant computational overhead they involve. In addition, conventional trust-management systems for addressing security concerns need to be improved due to their high computation, memory, and energy costs. Therefore, this paper presents a novel, Lightweight, and Efficient Trust-based Mechanism (LETM-IoT) for resource-limited IoT networks to mitigate Sybil attacks. We conducted extensive simulations in Cooja, the Contiki OS simulator, to assess the efficacy of the proposed LETM-IoT against three types of Sybil attack (A, B, and C). A comparison was also made with standard RPL and state-of-the-art approaches. The experimental findings show that LETM-IoT outperforms both of these in terms of average packet-delivery ratio by 0.20 percentage points, true-positive ratio by 1.34 percentage points, energy consumption by 2.5%, and memory utilization by 19.42%. The obtained results also show that LETM-IoT consumes increased storage by 5.02% compared to the standard RPL due to the existence of an embedded security module.

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来源期刊
Ad Hoc Networks
Ad Hoc Networks 工程技术-电信学
CiteScore
10.20
自引率
4.20%
发文量
131
审稿时长
4.8 months
期刊介绍: The Ad Hoc Networks is an international and archival journal providing a publication vehicle for complete coverage of all topics of interest to those involved in ad hoc and sensor networking areas. The Ad Hoc Networks considers original, high quality and unpublished contributions addressing all aspects of ad hoc and sensor networks. Specific areas of interest include, but are not limited to: Mobile and Wireless Ad Hoc Networks Sensor Networks Wireless Local and Personal Area Networks Home Networks Ad Hoc Networks of Autonomous Intelligent Systems Novel Architectures for Ad Hoc and Sensor Networks Self-organizing Network Architectures and Protocols Transport Layer Protocols Routing protocols (unicast, multicast, geocast, etc.) Media Access Control Techniques Error Control Schemes Power-Aware, Low-Power and Energy-Efficient Designs Synchronization and Scheduling Issues Mobility Management Mobility-Tolerant Communication Protocols Location Tracking and Location-based Services Resource and Information Management Security and Fault-Tolerance Issues Hardware and Software Platforms, Systems, and Testbeds Experimental and Prototype Results Quality-of-Service Issues Cross-Layer Interactions Scalability Issues Performance Analysis and Simulation of Protocols.
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