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IEEE International Conference on Industrial and Information Systems (ICIIS)

A new secure model for quantum key distribution protocol

Rishi Dutt Sharma, Асок Де

Published Aug 1, 2011• 13 citations
Publisher

Abstract

All Classical cryptographic methods used in our life based on mathematical ideas & computational assumption are actually unsafe, so quantum cryptography is proposed nowadays Quantum key distribution (QKD) promises secure key agreement by using quantum mechanical systems. QKD will be an important part of future cryptographic infrastructures. It can provide long-term confidentiality for encrypted information without reliance on computational assumptions. Although QKD still requires authentication to prevent man-in-the-middle attacks. Firstly, In this paper At quantum key distribution protocol process is introduced. Secondly, several improvements to the basic steps of two references are reviewed because of its defects, mainly about identity authentication in order to prevent communication partners' counterfeit, including errors removing, estimating Attacker's information, secrecy enhancement, etc. At last, based upon original improvements reserved selectively, the whole process of quantum key distribution protocol after improvement & then comparison is introduced in detail.

DOI
10.1109/iciinfs.2011.6038114

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All Classical cryptographic methods used in our life based on mathematical ideas & computational assumption are actually unsafe, so quantum cryptography is proposed nowadays Quantum key distribution (QKD) promises secure key agreement by using quantum mechanical systems. QKD will be an important part of future cryptographic infrastructures. It can provide long-term confidentiality for encrypted information without reliance on computational assumptions. Although QKD still requires authentication to prevent man-in-the-middle attacks. Firstly, In this paper At quantum key distribution protocol process is introduced. Secondly, several improvements to the basic steps of two references are reviewed because of its defects, mainly about identity authentication in order to prevent communication partners' counterfeit, including errors removing, estimating Attacker's information, secrecy enhancement, etc. At last, based upon original improvements reserved selectively, the whole process of quantum key distribution protocol after improvement & then comparison is introduced in detail.
Quantum key distribution (QKD) promises secure key agreement by using quantum mechanical systems. We argue that QKD will be an important part of future cryptographic infrastructures. It can provide long-term confidentiality for encrypted information without reliance on computational assumptions. Although QKD still requires authentication to prevent man-in-the-middle attacks, it can make use of either information-theoretically secure symmetric key authentication or computationally secure public key authentication: even when using public key authentication, we argue that QKD still offers stronger security than classical key agreement. 1
Classic encryption methods used in our life based on mathematical ideas are unsafe actually, so quantum encryption is proposed nowadays. Although quantum encryption is the unique method to protect datas and data transmission in theory, more processes are required during the production of quantum key to the achievement of encryption and decryption. Firstly, basic quantum key distribution protocol process is introduced in this paper. Secondly, several improvements to the basic steps of two references are reviewed because of its defects, mainly about identity authentication in order to prevent communication partners` counterfei, including errors removing, estimating Eve`s information, secrecy enhancement, etc. At last, based upon original improvements reserved selectively, the whole process of quantum key distribution protocol after improvement is introduced in detail.
All traditional cryptographic algorithms used in the network communication environments, relied on mathematical models and computational assumptions, are actually unsafe and apt by many attackers (quantum and man-in-the-middle attacks). Therefore, nowadays Quantum Key Distribution (QKD) promises a secure key agreement by using quantum mechanical systems. QKD becomes a significant trend of new cryptographic revolution. This paper explains how cryptography exploits the quantum mechanics in order to achieve an encryption/decryption process. Additionally, this paper provides a standard simulation for QKD-BB84 protocol and describes improvement key generation and key distribution mechanisms. Then, validation, results and efficiency of BB84 protocol are presented using different security configurations. Finally, our results indicated that the QKD is susceptible to corporate with different security applications and achieve the key availability for such applications. However, it suffers from the higher rate of authentication cost.
Data protection and information security have been the essence of communication in today's digital era. Authentication and secrecy of secure communication are achieved using key-based cryptographic primitives; the security of which significantly relies upon the underlying computationally complex mathematics. Moreover, these existing cryptographic primitives are considered to be non-deterministic on the basis of the existing computational capabilities. However, the considerable advancements in the development of quantum computers have significantly enhanced parallel computations; thereby, posing a great threat to these existing encryption primitives. Thus, in the future, the physical manifestation of a large successful quantum computer is likely to break all the existing public-key encryption algorithms in no time. This has led to a remarkable surge of interest in propelling quantum mechanics into existence; subsequently, leading cryptographers to research various viable domains to offer quantum-resistant secure communications. Resultantly, quantum cryptography/quantum key distribution has emerged as a futuristic replacement for classical cryptography as it offers unconditionally secure communication along with the inherent detection of any unintended user. Thus, keeping in view the significance of this relatively newer domain of cryptography, this research focuses on presenting a consolidated review of the various Quantum Key Distribution (QKD) protocols. A comparative analysis of the working mechanism of the prominent QKD protocols is presented along with an overview of the various emerging trends that have been proposed to optimize the implementational efficiency of the BB84 protocol.
Cryptography is an unexpected revolution in information security in the recent decades, where remarkable improvements have been created to provide confidentiality and integrity. Quantum cryptography is one such improvement that has grown rapidly since the first announced protocol. Quantum cryptography contains substantial elements that must be addressed to ensure secure communication between legitimate parties. Quantum key distribution (QKD), a technique for creating a secret key, is one of the most interesting areas in quantum cryptography. This paper reviews some well-known quantum key distribution techniques that have been demonstrated in the past three decades. Furthermore, this paper discusses the process of creating a secret key using quantum mechanics and cryptography methods. Moreover, it explains the relationships between many basic aspects of QKD protocols and suggests some improvements in the cryptosystem. An accurate quantitative comparison between the QKD protocols is presented, especially the runtime execution for each QKD protocol. In addition, the paper will demonstrate a general model of each considered QKD protocol based on security principles.
Quantum Key Exchange (QKE, also known as Quantum Key Distribution or QKD) allows communicating parties to securely establish cryptographic keys. It is a well-established fact that all QKE protocols require that the parties have access to an authentic channel. Without this authenticated link, QKE is vulnerable to man-in-the-middle attacks. Overlooking this fact results in exaggerated claims and/or false expectations about the potential impact of QKE. In this paper we present a systematic comparison of QKE with traditional key establishment protocols in realistic secure communication systems.