Cost of quantum secret key
In this paper, we develop the resource theory of quantum secret key. Operating under the
assumption that entangled states with zero distillable key do not exist, we define the key cost …
assumption that entangled states with zero distillable key do not exist, we define the key cost …
Upper bounds on the leakage of private data and an operational approach to Markovianity
K Horodecki, M Studziński, RP Kostecki, O Sakarya… - Physical Review A, 2021 - APS
We quantify the consequences of a private key leakage and private randomness generated
during quantum key distribution. We provide simple lower bounds on the one-way distillable …
during quantum key distribution. We provide simple lower bounds on the one-way distillable …
Fundamental Limitations within the Selected Cryptographic Scenarios and Supra-Quantum Theories
M Winczewski - arXiv preprint arXiv:2311.08211, 2023 - arxiv.org
The following submission constitutes a guide and an introduction to a collection of articles
submitted as a Ph. D. dissertation at the University of Gda\'nsk. In the dissertation, we study …
submitted as a Ph. D. dissertation at the University of Gda\'nsk. In the dissertation, we study …
Hybrid quantum network design against unauthorized secret-key generation, and its memory cost
O Sakarya, M Winczewski, A Rutkowski… - Physical Review …, 2020 - APS
A significant number of servers that constitute the Internet are to provide private data via
private communication channels to mutually anonymous registered users. Such are the …
private communication channels to mutually anonymous registered users. Such are the …
Random private quantum states
M Christandl, R Ferrara… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
The study of properties of randomly chosen quantum states has in recent years led to many
insights into quantum entanglement. In this work, we study private quantum states from this …
insights into quantum entanglement. In this work, we study private quantum states from this …
Relaxed bound on performance of quantum key repeaters and secure content of generic private and independent bits
K Horodecki, Ł Pawela - arXiv preprint arXiv:2206.00993, 2022 - arxiv.org
Quantum key repeater is the backbone of the future Quantum Internet. It is an open problem,
for an arbitrary mixed bipartite state shared between stations of a quantum key repeater …
for an arbitrary mixed bipartite state shared between stations of a quantum key repeater …