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Journal of Statistics and Management Systems

Simulation of BB84 and proposed protocol for quantum key distribution

Manish Kalra, Ramesh Chandra Poonia

Published Jun 19, 2018• 8 citations
Publisher

Abstract

Quantum key distribution is a secure way of transferring the keys among entities involved in communication. BB84 is the first protocol for QKD in year 1984. In this paper we are giving the simulation process of BB84 protocol in C++ and also the simulation of proposed protocol in C++ using object oriented approach. Proposed protocol uses a two-way quantum channel and also generates an additional initial bits sequence at another end for polarization.

DOI
10.1080/09720510.2018.1475075

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Quantum key distribution is a secure way of transferring the keys among entities involved in communication. BB84 is the first protocol for QKD in year 1984. In this paper we are giving the simulation process of BB84 protocol in C++ and also the simulation of proposed protocol in C++ using object oriented approach. Proposed protocol uses a two-way quantum channel and also generates an additional initial bits sequence at another end for polarization.
Quantum Key Distribution (QKD) is a technique that enables secure communication between two parties by sharing a secret key. One of the most well-known QKD protocols is the BB84 protocol, proposed by Charles Bennett and Gilles Brassard in 1984. In this protocol, Alice and Bob use a quantum channel to exchange qubits, allowing them to generate a shared key that is resistant to eavesdropping. This paper presents a comparative study of existing QKD schemes, including the BB84 protocol, and highlights the advancements made in the BB84 protocol over the years. The study aims to provide a comprehensive overview of the different QKD schemes and their strengths and weaknesses and demonstrate QKDs working principles through existing simulations and implementations. Through this study, we show that the BB84 protocol is a highly secure QKD scheme that has been extensively studied and implemented in various settings. Furthermore, we discuss the improvements made to the BB84 protocol to enhance its security and practicality, including the use of decoy states and advanced error correction techniques. Overall, this paper provides a comprehensive analysis of QKD schemes, focusing on the BB84 protocol in secure communication technologies.
This paper proposes a cryptographic method know as quantum cryptography. Quantum cryptography uses quantum channel to exchange key securely and keeps unwanted parties or eavesdroppers from learning sensitive information. A technique called Quantum Key Distribution (QKD) is used to share random secret key by encoding the information in quantum states. Photons are the quantum material used for encoding. QKD provides an unique way of sharing random sequence of bits between users with a level of security not attainable with any other classical cryptographic methods. In this paper, BB84 protocol is used to implement QKD, that deals with the photon polarization states used to transmit the telecommunication information with high level of security using optical fiber. In this paper we have implemented BB84 protocol using photonic simulator OptSim 5.2.
Autonomous "Things" is becoming the future trend as the role, and responsibility of IoT keep diversifying. Its applicability and deployment need to re-stand technological advancement. The versatile security interaction between IoTs in human-to-machine and machine-to-machine must also endure mathematical and computational cryptographic attack intricacies. Quantum cryptography uses the laws of quantum mechanics to generate a secure key by manipulating light properties for secure end-to-end communication. We present a proof-of-principle via a communication architecture model and implementation to simulate these laws of nature. The model relies on the BB84 quantum key distribution (QKD) protocol with two scenarios, without and with the presence of an eavesdropper via the interception-resend attack model from a theoretical, methodological, and practical perspective. The proposed simulation initiates communication over a quantum channel for polarized photon transmission after a pre-agreed configuration over a Classic Channel with parameters. Simulation implementation results confirm that the presence of an eavesdropper is detectable during key generation due to Heisenberg's uncertainty and no-cloning principles. An eavesdropper has a 0.5 probability of guessing transmission qubit and 0.25 for the polarization state. During simulation re-iterations, a base-mismatch process discarded about 50 percent of the total initial key bits with an Error threshold of 0.11 percent.
Quantum cryptography is basically based on a trusted channel in communication between two parties compared to classical channel. Recently, Quantum Key Distribution (QKD has become more secure transmission method used to transmit secret key between two legitimate parties. This paper discusses the implementation of QKD protocol (BB84 protocol), which is widely used today. The implementation simulates the communication of two parties who wish to share a secret key with the existing of eavesdropper. The existing of eavesdropper is simulated with two kinds of attacks, which is use as parameter to measure the length of final key agreed by both authenticated parties at the end of the communication. This paper also discuss about future works to fully implement the shared secret key.
One promising way to use quantum information to secure everyday communication is through the distribution of quantum keys. By exchanging a secret key, the Quantum Key Distribution (QKD) approach allows two parties to communicate securely.BB84 protocol is among the most well-known QKD protocols. In this protocol, qubits are exchanged via a quantum channel between the sender and the receiver. This enables them to produce a shared key that is impenetrable to eavesdroppers and illustrate the fundamental ideas of QKD using current simulations and implementations. The results of this study demonstrate that the BB84 protocol is a highly secure QKD technique that has been investigated in great detail and used in a variety of contexts. Additionally, over the enhancements made to the BB84 protocol such as the use of advanced error correction techniques and decoy states to increase its security and usability is discussed. With an emphasis on the BB84 protocol in secure communication technologies, this study offers an extensive analysis of QKD systems overall.
Quantum key distribution is a secure method for exchanging keys across communication entities. The first quantum key distribution (QKD) protocol, BB84, was introduced in 1984. The primary paradigm of QKD was initiated for a depolarizing channel. This paper demonstrates the ability to use MATLAB to simulate QKD. It has been found that the security of the QKD protocol depends on a variety of factors, including the amount of photon input and the severity of the Eve attacks. It turned out that the high level of Eve’s attack, according to the data, indicates a lack of protection.