Conditional beam splitting attack on quantum key distribution

Details Conditional beam splitting attack on quantum key distribution Conditional beam splitting attack on quantum key distribution

2001-07-30

arxiv.org/abs/quant-ph/0107148v1

Phys. Rev. A 65, 012312 (2002)

Physics

Quantum Physics

Submitted to Phys. Rev. A

Scientific paper

10.1103/PhysRevA.65.012312

We present a novel attack on quantum key distribution based on the idea of adaptive absorption [calsam01]. The conditional beam splitting attack is shown to be much more efficient than the conventional beam spitting attack, achieving a performance similar to the, powerful but currently unfeasible, photon number splitting attack. The implementation of the conditional beam splitting attack, based solely on linear optical elements, is well within reach of current technology.

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