TY - JOUR
T1 - Finite-size key in the Bennett 1992 quantum-key-distribution protocol for Rényi entropies
AU - Mafu, Mhlambululi
AU - Garapo, Kevin
AU - Petruccione, Francesco
PY - 2013/12/4
Y1 - 2013/12/4
N2 - A realistic quantum-key-distribution protocol necessarily runs with finite resources. Usually, security proofs for existing quantum key distribution are asymptotic in the sense that certain parameters are exceedingly large compared to practical realistic values. In this paper, we derive bounds on the secret key rates for the Bennett 1992 protocol, which includes a preprocessing step. The derivation for a finite-size key is expressed as an optimization problem by using results from the uncertainty relations and the smooth Rényi entropies.
AB - A realistic quantum-key-distribution protocol necessarily runs with finite resources. Usually, security proofs for existing quantum key distribution are asymptotic in the sense that certain parameters are exceedingly large compared to practical realistic values. In this paper, we derive bounds on the secret key rates for the Bennett 1992 protocol, which includes a preprocessing step. The derivation for a finite-size key is expressed as an optimization problem by using results from the uncertainty relations and the smooth Rényi entropies.
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U2 - 10.1103/PhysRevA.88.062306
DO - 10.1103/PhysRevA.88.062306
M3 - Article
AN - SCOPUS:84890354584
SN - 1050-2947
VL - 88
JO - Physical Review A - Atomic, Molecular, and Optical Physics
JF - Physical Review A - Atomic, Molecular, and Optical Physics
IS - 6
M1 - 062306
ER -