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International Journal of Current Engineering and Technology

A Survey on Quantum cryptography versus classical Cryptography

Praveer Dubey, Ompal Yadav

Published Oct 31, 2021• 3 citations
Publisher

Abstract

Quantum Cryptography is an approach to securing communications by applying the phenomena of quantum physics. Unlike traditional classical cryptography, which uses mathematical techniques to restrict eavesdroppers, quantum cryptography is focused on the physics of information. The development of quantum cryptography was motivated by the short-comings of classical cryptographic methods, which can be classified as either public-key or secret-key Methods. There are classical solutions to insecure communication all rely on making some or assumption, about the computational power of a cheater, about the number of cheaters, or something of this kind. Based on quantum key distribution, one might hope that a quantum computer might allow us to weaken or remove these assumptions.

DOI
10.14741/ijcet/v.10.6.3

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Quantum Cryptography is an approach to securing communications by applying the phenomena of quantum physics. Unlike traditional classical cryptography, which uses mathematical techniques to restrict eavesdroppers, quantum cryptography is focused on the physics of information. The development of quantum cryptography was motivated by the short-comings of classical cryptographic methods, which can be classified as either public-key or secret-key Methods. There are classical solutions to insecure communication all rely on making some or assumption, about the computational power of a cheater, about the number of cheaters, or something of this kind. Based on quantum key distribution, one might hope that a quantum computer might allow us to weaken or remove these assumptions.
Quantum cryptography is an approach to securing communications by applying the phenomena of quantum physics. Unlike traditional classical cryptography, which uses mathematical techniques to restrict eavesdroppers, quantum cryptography is focused on the physics of information. Quantum cryptography provides secure communication, whose security depends only on the validity of quantum theory, i.e., it is guarantied directly by the laws of physics. This is a substantial difference from any classical cryptographic techniques. This article summarizes the current state of quantum cryptography and provides potential extensions of its feasibility as a mechanism for securing existing communication systems
Quantum cryptography is a new method of communication offering the security of the inviolability by using Law of Nature.Quantum Cryptography uses different secure communication by applying the phenomena of quantum physics. Unlike traditional classical cryptography, which uses mathematical techniques to restrict eavesdroppers, quantum cryptography is focused on the properties of physics of light for information. Quantum cryptography depends only on the validity of quantum theory, i.e., it is guarantied directly by the laws of physics. This is a different from any classical cryptographic techniques. This paper summarizes the current state of quantum cryptography and provides potential extensions of its feasibility as a mechanism for securing existing communication systems.
Quantum Cryptography is an approach to securing communications by applying the phenomena of quantum physics. Unlike traditional classical cryptography, which uses mathematical techniques to restrict eavesdroppers, quantum cryptography is focused on the physics of information. The security of these transmissions is based on the inviolability of the laws of quantum mechanics. The quantum cryptography relies on two important elements of quantum mechanics-the Heisenberg Uncertainty principle and the principle of photon polarization. This paper summarizes the current state of quantum cryptography and the real–world application implementation of this technology.
Quantum Cryptography is a novel approach to make the information and network world more secure. Unlike classical cryptography, quantum cryptography ensures the security of communication because it is based on the laws of Quantum Mechanics; a branch of physics that deals with the fundamental behavior of matter and their energies to the levels of subatomic particles. These particles and their intrinsic properties such as photon polarization and entanglement allow us to develop an unbreakable system of cryptographic information. Conventionally, the security has been primarily concerned with the secured distribution of secret key carried over an insecure channel. However, in Quantum Cryptographic systems the transmission of secret key is done using aforementioned laws of nature through a secured quantum channel highly susceptible to intrusion detection. Consequently, the Quantum Key Distribution (QKD), in conjunction with protocols such as BB84 protocol has emerged as an ultimate modern secured communication system. This article concentrates on briefly reviewing quantum cryptography, some recent developments and reports of its vulnerabilities.
Quantum cryptography is a revolutionary field that applies the principles of quantum mechanics to provide secure communication channels. One of the most popular techniques in quantum cryptography is Quantum Key Distribution, which uses quantum states to deliver secure keys. The main advantage of quantum cryptography is that it offers protection against eavesdropping and tampering, which is not possible with classical encryption methods. This is because copying data in a quantum state is virtually impossible, and any attempt to intercept or manipulate the data will result in its complete alteration. As a result, any third-party interference can be detected quickly. Traditional cryptographic algorithms used in modern cryptography are vulnerable to attacks due to the evolution of quantum computers and mathematical advances in the decomposition of large integers. Therefore, the solution to address this vulnerability is to apply the principles of quantum physics to cryptography. The aim of the paper is to survey the current scientific achievements in the field of quantum cryptography and to present some challenging issues.
Security knowledge is one of the foremost challenges in the present day. When the topic is about Information security, the concept of cryptography comes into the picture. Every day, people and organizations use cryptography to maintain the confidentiality of their communications and data as well as to preserve their privacy. Today, one of the most successful methods used by businesses to protect their storage systems, whether at rest or in transit, is cryptography. Yet, cryptography is an effective technique to secure the data, the modern technology can break the cryptographic techniques. But some data encryption algorithms are several times stronger than today's conventional cryptography and can be constructed using quantum computing. They are "Quantum Cryptographic Algorithms ". Quantum cryptography uses the rules of quantum physics instead of classical encryption, which is based on mathematics, to protect and transmit data in a way that cannot be intercepted. Quantum key distribution is the greatest illustration of quantum cryptography and offers a safe solution to the key exchange issue. The proposed work deals with quantum cryptography and mainly focuses on how the quantum cryptographic algorithm is more secure than traditional cryptography.