Acta Photonica Sinica, Volume. 35, Issue 1, 126(2006)

Practical Security Problem of Six States QKD Protocol

Chen Zhixin1,*... Tang Zhilie1, Liao Changjun2 and Liu Songhao2 |Show fewer author(s)
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  • 1[in Chinese]
  • 2[in Chinese]
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    It is used attenuated laser pulses as the signal source rather than single photons in practical QKD system. The channels is used to transmit are lossy. Eve's eavesdropping ability is limited. On the basis of above three points,a eavesdropping device is presented. Meanwhile,the study is analyzed the calculation of the effective average Alice/Eve mutual information and Alice/Bob error rate's upper limit in six states QKD protocol. It shows that Breidbart eavesdropping/beamsplitter is the more effective one compared with Breidbart eavesdropping(B/B strategy).

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    Chen Zhixin, Tang Zhilie, Liao Changjun, Liu Songhao. Practical Security Problem of Six States QKD Protocol[J]. Acta Photonica Sinica, 2006, 35(1): 126

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    Paper Information

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    Received: Oct. 19, 2004

    Accepted: --

    Published Online: Jun. 3, 2010

    The Author Email: Zhixin Chen (czx236@sohu.com)

    DOI:

    CSTR:32186.14.

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