Results 101 to 110 of about 11,163,079 (212)

Loop-Back Quantum Key Distribution (QKD) for Secure and Scalable Multi-Node Quantum Networks

Quantum key distribution (QKD) is a cornerstone of secure communication in the quantum era, yet most existing protocols are designed for point-to-point transmission, limiting their scalability in networked environments.
Luis Adrián Lizama-Perez, J. M. López-Romero   +1 more
core   +1 more source

Free-space reconfigurable quantum key distribution network

, 2015
© 2015 IEEE. We propose a free-space reconfigurable quantum key distribution (QKD) network to secure communication among mobile users. Depends on the trustworthiness of the network relay, the users can implement either the highly secure measurement ...
George Siopsis, Warren Grice, Charles Ci Wen Lim, Grice, Warren, Lim, Charles Ci Wen, Qi, Bing, Lo, Hoi Kwong, Eric A. Chitambar, Pooser, Raphael, Chitambar, Eric A., Raphael Pooser, Hoi-Kwong Lo, Evans, Philip G., Siopsis, George, Bing Qi, Philip G. Evans   +15 more
core   +1 more source

Critical Constraints in Practical Quantum Key Distribution

, 2011
Quantum key distribution (QKD) is a technique for solving the key distribution problem with information theoretic or unconditional security between two legitimate parties. There are many security proofs of quantum cryptographic systems and protocols with
Mubashir, Muhammad
core   +1 more source

Advancing quantum communication security: Metamaterial based quantum key distribution with enhanced protocols

IET Quantum Communication
Quantum Key Distribution (QKD) is increasingly pivotal in securing communication channels against the looming threats posed by quantum computing. However, existing QKD protocols encounter challenges related to efficiency and transmission capabilities. In
Sujit Biswas, Rajat S. Goswami, K. Hemant Kumar Reddy, Sachi Nandan Mohanty, Mohammed Altaf Ahmed   +4 more
doaj   +1 more source

Feasibility and parameter optimization of ground-to-satellite uplink continuous-variable quantum key distribution

New Journal of Physics
Driven by the necessitates of wide-area quantum secure communication networks, ground-to-satellite quantum key distribution (QKD) has been highlighted in the field of quantum information.
Jin Cheng, Yujie Chen, Ao Liu, Xin Sun, Junjie Guo, Bohan Yang, Peng Yin, Wenbo Liu, Lanjian Chen, Chen Dong   +9 more
doaj   +1 more source

Challenges and Solutions for Secure Key Management and Monitoring: Review of the Cerberis3 Quantum Key Distribution System

Quantum Reports
Quantum Key Distribution (QKD) offers a revolutionary approach to secure communication, leveraging the principles of quantum mechanics to generate and distribute cryptographic keys that are immune to eavesdropping.
Ints Meijers
doaj   +1 more source

Overview of Quantum Key Distribution Network Key-Delivery Specifications

Quantum Key Distribution (QKD), a secret key agreement primitive, makes possible long-awaited real-world Information-Theoretical Security (ITS). In the last twenty years, the development of QKD-based networks that deliver ITS keys to distant parties has ...
Fazio P., Rass S., Jakovlev S., Mehic M., Dervisevic E., Voznak M.   +5 more
core   +1 more source

Practical measurement device independent quantum key distribution

, 2013
We analyze real-life implementations of measurement-device-independent quantum-key-distribution (MDI-QKD): a general system model, a finite-decoy protocol and a finite-key analysis.
Xu, Feihu, Cui, Wei, Tamaki, Kiyoshi, Lim, Charles Ci Wen, Qi, Bing, Lo, Hoi Kwong, Curty, Marcos   +6 more
core  

AQ-TESLA: Adaptive Hybrid QKD–TESLA Authentication for Edge-Assisted 6G Internet of Things Networks

Applied Sciences
Future sixth-generation (6G) Internet of Things (IoT) environments require scalable authentication for large populations of constrained devices while remaining resilient to quantum-capable adversaries.
Eman Abouelkheir, Abdalilah Alhalangy
doaj   +1 more source

Security proof of quantum key distribution with detection efficiency mismatch

, 2009
In theory, quantum key distribution (QKD) offers unconditional security based on the laws of physics. However, as demonstrated in recent quantum hacking theory and experimental papers, detection efficiency loophole can be fatal to the security of ...
Tamaki, Kiyoshi, Fung, Chi Hang Fred, Qi, Bing, Lo, Hoi Kwong, Xiongfeng, Ma   +4 more
core   +1 more source