14 May 2018 Practical security of semi-quantum key distribution
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Abstract
Unconditionally secure key distribution is impossible using classical communication only. However, by providing Alice and Bob with quantum capable hardware the task becomes possible. How quantum does a protocol need to be, though, in order to gain this advantage? In 2007, Boyer et al., proposed "semi-quantum key distribution" where only Alice need be quantum while Bob need only limited classical" capabilities. Several protocols were proposed and proven secure in the perfect qubit scenario" but not necessarily against realistic attacks (with one exception being recently published in (PRA 96 062335)). In this paper, we devise a new SQKD protocol and analyze its security against certain practical attacks.
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Walter O. Krawec, Walter O. Krawec, } "Practical security of semi-quantum key distribution", Proc. SPIE 10660, Quantum Information Science, Sensing, and Computation X, 1066009 (14 May 2018); doi: 10.1117/12.2303759; https://doi.org/10.1117/12.2303759
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