使用共享密钥窃听信道

2010 IEEE Information Theory Workshop Pub Date : 2010-09-30 DOI:10.1109/CIG.2010.5592665

Wei Kang, Nan Liu

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引用次数: 53

摘要

本文研究了在窃听信道中，发送方和合法接收方共享一个对窃听者隐藏的密钥的安全通信问题。我们找到了这种情况下的保密能力。这一结果推广了山本的结论，山本的结论只适用于噪声较小的窃听信道，也适用于合法接收端不允许失真的一般窃听信道。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Wiretap channel with shared key

This paper studies the problem of secure communication over a wiretap channel where the transmitter and the legitimate receiver share a secret key, which is concealed from the eavesdropper. We find the secrecy capacity under this scenario. This result generalizes that of Yamamoto, which is applicable only to less noisy wiretap channels, to the general wiretap channel when no distortion is allowed at the legitimate receiver.

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来源期刊

2010 IEEE Information Theory Workshop

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