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Enhancing Efficiency of Node Compromise Attacks in Vehicular Ad-hoc Networks Using Connected Dominating Set

机译：使用连接的支配集提高车辆自组织网络中节点妥协攻击的效率

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摘要

In the node compromise attack, the adversary physically captures nodes and extracts the cryptographic keys from the memories, which destroys the security, reliability and confidentiality of the networks. Due to the dynamical network topology, designing an efficient node compromise attack algorithm is challenging, because it is difficult to model the attack or to enhance the attacking efficiency. In this paper, a general algorithm for modeling the node compromise attack in VANET is proposed, which promotes the attacking efficiency by destroying the network backbone. The backbone is constructed using the connected dominating set of the network, which has relevant to the intermeeting time between the vehicles. Then two attacking algorithms are proposed based on the general model, which destroy the network in a centralized and distributed version while maximizing the destructiveness. Simulations are conducted to show the advantages of our scheme. Simulation results reveal that our scheme enhances the attacking efficiency in different mobility models and different applications, which is suitable for modeling the node compromise attack in VANET. At last, discussions are presented to the illustrate the influences of the characteristics to the attacking efficiency with respect to vehicle speed, communication range and key sharing probability.
机译：在节点入侵攻击中，对手物理上捕获节点并从内存中提取加密密钥，这破坏了网络的安全性，可靠性和机密性。由于动态网络拓扑，设计高效的节点危害攻击算法具有挑战性，因为难以对攻击进行建模或提高攻击效率。本文提出了一种在VANET中建模节点入侵攻击的通用算法，该算法通过破坏网络主干来提高攻击效率。骨干网是使用连接的网络主导集构建的，这与车辆之间的会议时间有关。然后在通用模型的基础上提出了两种攻击算法，可以在破坏性最大化的同时，以集中式和分布式的方式破坏网络。进行仿真以显示我们方案的优势。仿真结果表明，该方案在不同的移动性模型和不同的应用中提高了攻击效率，适用于对VANET中的节点攻击进行建模。最后，讨论了这些特征，这些特征对车辆速度，通信距离和密钥共享概率对攻击效率的影响进行了说明。

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