Quantum scheme for an optimal attack on quantum key distribution protocol BB84
Dmitry Anatolevich Kronberg, S. N. Molotkov · Bulletin of the Russian Academy of Sciences Physics · 2010
A quantum scheme for an optimal attack on protocol BB84, the most studied protocol of quantum cryptography, is constructed. The physical implementation of this scheme on the basis of linear fiber-optical elements and the two-particle “controlled NOT” quantum transformation is proposed.