scholarly journals Optimization and Implementation of Efficient and Universal Quantum Key Distribution

2020 ◽  
Vol 2020 ◽  
pp. 1-9
Author(s):  
Da-jun Huang ◽  
Wen-zhe Zhong ◽  
Jin Zhong ◽  
Dong Jiang ◽  
Hao Wu
Keyword(s):  
Quantum Mechanics ◽  
Quantum Key Distribution ◽  
Key Distribution ◽  
Bit Rate ◽  
Low Bit Rate ◽  
The Past ◽  
Optimized Protocol ◽  
Chaotic Cryptography ◽  
Middleware Technology ◽  
Universal Quantum

Since quantum key distribution (QKD) can provide proven unconditional security guaranteed by the fundamental laws of quantum mechanics, it has attracted increasing attention over the past three decades. Its low bit rate, however, cannot meet the requirements of modern applications. To solve this problem, recently, an efficient and universal QKD protocol based on chaotic cryptography and middleware technology was proposed, which efficiently increases the bit rate of the underlying QKD system. Nevertheless, we find that this protocol does not take the bit errors into account, and one error bit may lead to the failure of the protocol. In this paper, we give an optimized protocol and deploy it on a BB84 QKD platform. The experimental results show that the optimized version provides resistance to bit errors compared with the original version. And the statistical properties of the generated bits are fully assessed using different methods. The evaluation results prove that the proposed protocol can generate bits with outstanding properties.

Efficient and universal quantum key distribution based on chaos and middleware

2017 ◽  
Vol 31 (02) ◽  
pp. 1650264 ◽  
Author(s):  
Dong Jiang ◽  
Yuanyuan Chen ◽  
Xuemei Gu ◽  
Ling Xie ◽  
Lijun Chen
Keyword(s):  
Quantum Key Distribution ◽  
High Speed ◽  
Key Distribution ◽  
Secure Communications ◽  
Bit Rate ◽  
Chaotic Cryptography ◽  
Secret Keys ◽  
Middleware Technology ◽  
Universal Quantum ◽  
The Many

Quantum key distribution (QKD) promises unconditionally secure communications, however, the low bit rate of QKD cannot meet the requirements of high-speed applications. Despite the many solutions that have been proposed in recent years, they are neither efficient to generate the secret keys nor compatible with other QKD systems. This paper, based on chaotic cryptography and middleware technology, proposes an efficient and universal QKD protocol that can be directly deployed on top of any existing QKD system without modifying the underlying QKD protocol and optical platform. It initially takes the bit string generated by the QKD system as input, periodically updates the chaotic system, and efficiently outputs the bit sequences. Theoretical analysis and simulation results demonstrate that our protocol can efficiently increase the bit rate of the QKD system as well as securely generate bit sequences with perfect statistical properties. Compared with the existing methods, our protocol is more efficient and universal, it can be rapidly deployed on the QKD system to increase the bit rate when the QKD system becomes the bottleneck of its communication system.

scholarly journals Optimized protocol for twin-field quantum key distribution

2020 ◽  
Vol 3 (1) ◽  
Author(s):  
Rong Wang ◽  
Zhen-Qiang Yin ◽  
Feng-Yu Lu ◽  
Shuang Wang ◽  
Wei Chen ◽  
...  
Keyword(s):  
Quantum Key Distribution ◽  
Key Distribution ◽  
Optimized Protocol

scholarly journals High-bit-rate continuous-variable quantum key distribution

2014 ◽  
Vol 90 (4) ◽  
Author(s):  
Paul Jouguet ◽  
David Elkouss ◽  
Sébastien Kunz-Jacques
Keyword(s):  
Quantum Key Distribution ◽  
Key Distribution ◽  
Continuous Variable ◽  
Bit Rate ◽  
High Bit Rate

scholarly journals A Comparison of Several Implementations of B92 Quantum Key Distribution Protocol

2021 ◽  
Author(s):  
Catalin Anghel
Keyword(s):  
Quantum Mechanics ◽  
Bit Error Rate ◽  
Error Rate ◽  
Quantum Key Distribution ◽  
Detection Method ◽  
Key Distribution ◽  
Quantum Bit ◽  
Comparison And Analysis ◽  
Quantum Key Distribution Protocol ◽  
B92 Protocol

This paper presents the development, comparison and analysis of several implementations of the B92 Quantum Key Distribution (QKD) protocol. In order to achieve this objective a prototype which consists of traditional (non-quantum) simulators was created, one for B92 protocol, one for B92 protocol with eavesdropper and one for B92 protocol with Quantum Bit Travel Time (QBTT) eavesdropper detection method. The principles of quantum mechanics were studied, as a foundation of quantum cryptography, for the realization of simulation programs that were written in C ++, focusing mainly on the B92 protocol and QBTT eavesdropper detection method. We compared the Quantum Bit Error Rate (QBER) for implementation of B92 protocol without eavesdropper, B92 protocol with eavesdropper and B92 protocol with QBTT eavesdropper detection method and found that QBTT eavesdropper detection method significantly reduces the QBER from the final key.

Probabilistic quantum key distribution

2011 ◽  
Vol 11 (7&8) ◽  
pp. 615-637
Author(s):  
Tzonelih Hwang ◽  
Chia-Wei Tsai ◽  
Song-Kong Chong
Keyword(s):  
Quantum Mechanics ◽  
Quantum Key Distribution ◽  
Key Agreement ◽  
Key Distribution ◽  
Entanglement Swapping ◽  
The Other ◽  
Quantum Key Agreement ◽  
Simple Method ◽  
Einstein Podolsky Rosen ◽  
Quantum Phenomena

This work presents a new concept in quantum key distribution called the probabilistic quantum key distribution (PQKD) protocol, which is based on the measurement uncertainty in quantum phenomena. It allows two mutually untrusted communicants to negotiate an unpredictable key that has a randomness guaranteed by the laws of quantum mechanics. In contrast to conventional QKD (e.g., BB84) in which one communicant has to trust the other for key distribution or quantum key agreement (QKA) in which the communicants have to artificially contribute subkeys to a negotiating key, PQKD is a natural and simple method for distributing a secure random key. The communicants in the illustrated PQKD take Einstein-Podolsky-Rosen (EPR) pairs as quantum resources and then use entanglement swapping and Bell-measurements to negotiate an unpredictable key.

Secured - Quantum Key Distribution (SQKD) for solving Side Channel Attack to enhance Security, based on Shifting & Binary Conversion for Securing Data (SBSD) Frameworks

2022 ◽  
Author(s):  
Gopinath N ◽  
Prayla Shyry D
Keyword(s):  
Quantum Key Distribution ◽  
High Speed ◽  
Key Distribution ◽  
Secret Message ◽  
Side Channel ◽  
Security Model ◽  
Business Networks ◽  
Number Of Solutions ◽  
Encrypted Data ◽  
The Past

Abstract Network security is critical for both personal and business networks. Most homes with high – speed internet have one or more wireless routers, which can be hacked if not adequately secured. Even though, if more number of solutions were addressed for security, still the security is challenging one in networks.Quantum Key Distribution was proposed to enhance security in the past literature. In this QKD, the secret message was converted in to Q-bits. Through this side channel, there is a chance to hack the data by the Eavesdropper which cannot be identified by the receiver side. So, receiver will send the acknowledgement to the sender for sending encrypted data in the classical channel.From this, the hacker can easily fetch the encrypted data from the classical channel. To address this issue, Security in Quantum side Channel (SQSC) framework has been proposed in which Shifting and Binary Conversions (SBC) algorithm has been implemented. This proposed security model attains good performance to a greater extent.

High bit rate quantum key distribution with 100 dB security

CLEO: 2013 ◽  
2013 ◽  
Author(s):  
K. A. Patel ◽  
M. Lucamarini ◽  
J. F. Dynes ◽  
B. Fröhlich ◽  
A. W. Sharpe ◽  
...  
Keyword(s):  
Quantum Key Distribution ◽  
Key Distribution ◽  
Bit Rate ◽  
High Bit Rate

Polarization states encoded by phase modulation for high bit rate quantum key distribution

2006 ◽  
Vol 358 (5-6) ◽  
pp. 386-389 ◽  
Author(s):  
Xiaobao Liu ◽  
Zhilie Tang ◽  
Changjun Liao ◽  
Yiqun Lu ◽  
Feng Zhao ◽  
...  
Keyword(s):  
Phase Modulation ◽  
Quantum Key Distribution ◽  
Key Distribution ◽  
Bit Rate ◽  
High Bit Rate ◽  
Polarization States

scholarly journals Modeling tripartite entanglement in quantum protocols using evolving entangled hypergraphs

2018 ◽  
Vol 16 (07) ◽  
pp. 1850055 ◽  
Author(s):  
Linda Anticoli ◽  
Masoud Gharahi Ghahi
Keyword(s):  
Quantum Mechanics ◽  
Quantum Information ◽  
Data Structures ◽  
Quantum Key Distribution ◽  
Quantum Teleportation ◽  
Key Distribution ◽  
Quantum States ◽  
Tripartite Entanglement ◽  
Quantum Protocols

The notion of entanglement is the most well-known nonclassical correlation in quantum mechanics, and a fundamental resource in quantum information and computation. This correlation, which is displayed by certain classes of quantum states, is of utmost importance when dealing with protocols, such as quantum teleportation, cryptography and quantum key distribution. In this paper, we exploit a classification of tripartite entanglement by introducing the concepts of entangled hypergraph and evolving entangled hypergraph as data structures suitable to model quantum protocols which use entanglement. Finally, we present a few examples to provide applications of this model.

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