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Coherent-pulse implementations of quantum cryptography protocols resistant to photon-number-splitting attacks

Coherent-pulse implementations of quantum cryptography protocols resistant to photon-number-splitting attacks

A new class of quantum cryptography (QC) protocols that are robust against the most general photon number splitting attacks in a weak coherent pulse implementation has been recently proposed. In this article we give a quite exhaustive analysis of several eavesdropping attacks on these schemes. The eavesdropper (Eve) is supposed …