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From Practice to Theory: The "Bright Illumination" Attack on Quantum Key Distribution Systems
The "Bright Illumination" attack [Lydersen et al., Nat. Photon. 4, 686-689
(2010)] is a practical attack, fully implementable against quantum key
distribution systems. In contrast to almost all developments in quantum
information processing (for example, Shor's factorization algorithm, quantum
teleportation, Bennett-Brassard (BB84) quantum key distribution, the
"Photon-Number Splitting" attack, and many other examples), for which theory
has been proposed decades before a proper implementation, the "Bright
Illumination" attack preceded any sign or hint of a theoretical prediction.
Here we explain how the "Reversed-Space" methodology of attacks, complementary
to the notion of "quantum side-channel attacks" (which is analogous to a
similar term in "classical" - namely, non-quantum - computer security), has
missed the opportunity of predicting the "Bright Illumination" attack.Comment: 17 page