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We investigate Quantum Key Distribution (QKD) relaying models. Firstly, we propose a novel quasi-trusted QKD relaying model. The quasi-trusted relays are defined as follows: (i) being honest enough to correctly follow a given multi-party finite-time communication protocol; (ii) however, being under the monitoring of eavesdroppers. We develop a simple 3-
Le, Quoc-Cuong, Bellot, Patrick
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In-field experiment of Intermodal Quantum Key Distribution over a 18km-long free-space link with Adaptive Optics for fiber-injection [PDF]
openIn the modern era of information, secure communication is a fundamental societal need. Quantum Key Distribution (QKD), once combined with the One-Time- Pad protocol, offers information-theoretic security for data transmission.
NARDI, MARCO
core
A global network of spacecraft and ground stations, distributing secret encryption keys by means of quantum technology, could meet emerging and long-term threats to data security.
Khan, I. +3 more
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Multimode entanglement assisted QKD through a free-space maritime channel
When using quantum key distribution (QKD), one of the trade-offs for security is that the generation rate of a secret key is typically very low. Recent works have shown that using a weak coherent source allows for higher secret key generation rates ...
John Gariano +3 more
core +1 more source
Introduction and Fundamentals. This presentation introduces the basics of Quantum Key Distribution (QKD) principles as a method and its importance. It was used during the HellasQCI Training Event in Crete 2024 - Axis 1 EuroQCI Deployments & Cooperation (04/09/2024). The related video is available here: Why QKD?
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Security analyses of quantum cryptographic protocols typically rely on certain conditions; one such condition is that the sender (Alice) and receiver (Bob) have isolated devices inaccessible to third parties.
Jason Pereira (17493069) +1 more
core +1 more source
Realistic QKD system hacking and security
This paper discusses the most relevant aspects of the practical implementation of a long-range Quantum Key Distribution (QKD) link with trusted nodes, achieving the highest possible secret key rate generation within the security and system level ...
Judy Kupferman +19 more
core +1 more source
QKD simulator © is a web application aimed at simulating and analyzing Quantum Key Distribution protocols. The online simulator is powered by the QKD Simulation Toolkit, which has been designed and implemented to support customizing a wide range of ...
ATASHPENDAR, Arash
core
This presentation provides an overview about QKD Architecture and Infrastructures. It was used during the HellasQCI Training Event in Crete 2024 - Axis 2 QKD & PQC for Cybersecurity (05/09/2024).
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