通过欺骗中继攻击进行的主动攻击丢弃
Active Eavesdropping via Spoofing Relay Attack
摘要:
本文研究了一种新的主动窃听技术,通过所谓的欺骗中继攻击,它可以由窃听者发起,以显着提高从源的信息泄漏率比传统的被动窃听。利用这种攻击,窃听者充当中继来欺骗源,以通过增强或降低合法链路的有效信道来改变传输速率以有利于其窃听性能。得到了窃听者所能达到的最大信息泄漏率和欺骗中继的最优操作。结果表明,这种欺骗中继攻击可能会带来新的挑战,从物理层的安全角度来看,因为它会导致显着更高的信息泄漏率比传统的被动窃听。
英文摘要:
This paper studies a new active eavesdropping technique via the so-called spoofing relay attack, which could be launched by the eavesdropper to significantly enhance the information leakage rate from the source over conventional passive eaves-dropping. With this attack, the eavesdropper acts as a relay to spoof the source to vary transmission rate in favor of its eavesdropping performance by either enhancing or degrading the effective channel of the legitimate link. The maxi-mum information leakage rate achievable by the eavesdropper and the corresponding optimal operation at the spoofing relay are obtained. It is shown that such a spoofing relay attack could impose new challenges from a physical-layer security perspective since it leads to significantly higher information leakage rate than conventional passive eavesdropping.
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