Detecting selective forwarding attacks in wireless sensor networks

当无线传感器网络(WSN ) 在监视的火被部署，反对追踪应用程序，安全作为一个中央要求出现。女巫节点非法地报导到有多重不存在的身份(标志) 的主人节点的消息将在这些应用在决策或资源分配上引起有害效果的一个案例。在这篇论文，我们在场女巫的一个有效、小的解决方案基于在来源节点和烽火节点之间的到达(TDOA ) 的时差攻击察觉。这个答案能检测女巫攻击的存在，并且定位女巫节点。我们通过实验表明答案的效率。实验证明没有错过，这个答案能检测所有女巫攻击案例。

TDOA-based Sybil attack detection scheme for wireless sensor networks

We argue that among denial-of-service (DoS) attacks, link-layer jamming is a more attractive option to attackers than radio jamming is. By exploiting the semantics of the link-layer protocol (aka MAC protocol), an attacker can achieve better efficiency than blindly jamming the radio signals alone. In this paper, we investigate some jamming attacks on S-MAC, the level of effectiveness and efficiency the attacks can potentially achieve, and a countermeasure that can be implemented against one of these attacks.

Link-layer jamming attacks on S-MAC

This paper proposes a brocasting algorithm based on identity encrpytion scheme named as IBESB.Firstly, we introduce the preconditions of the algorithm proof, then IBESB is described in details. The security and integrity on choosing ciphertext in random oracle model are proved based on BDH assumption. Compared with traditional brodcasting algorithms, IBESB outstands them both in computing complexity and memory cost.

An Identity-Based Encryption Scheme for Broadcasting

Trusted embedded System Operating System (TeSOS) - Study and Design

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Trusted embedded System Operating System (TeSOS) - Study and Design