Author

D. Bulavkin

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Sep 2026

Using Holevo bound for leakage estimation in quantum key distribution

It is shown that general post-selective soft-filtering transformations of side-channel states can be consistently incorporated into the GLLP and Koashi framework, and a Holevo-based upper bound on the eavesdropper's information for decoy-state BB84 is derived.

I. Sushchev, Kirill Bugai, D. Bulavkin et al. · AVS Quantum Science · 0 citations