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IEEE Access

A Shared Secret Key Initiated by EPR Authentication and Qubit Transmission Channels

Abdulbast A. Abushgra, Khaled M. Elleithy

Published Jan 1, 2017• 19 citations
Publisher

Abstract

Quantum key distribution (QKD) is an innovative solution in the cryptography world to prevent the information leakage that can sometimes be deliberate. Several QKD protocols were recently presented for building a secure shared key, of which the BB84 protocol is one of those interesting protocols. The authentication between the communicating parties is one of the issues that cause a huge argument. Furthermore, the current well-known QKD protocols are not yet ready to realize the personality of either the sender or the receiver, although the QKD protocol is already protected by the rules of physics and quantum mechanics to detect any interruption. This paper introduces a new QKD protocol that utilizes two quantum channels to provide authenticated communications for legitimate parties. Moreover, the proposed QKD protocol uses two type of physical behaviors, entanglement and superposition states. The entangled states are utilized to confirm the authentication between the end users, while the superposition states carry the secret key that will be shared between the users.

DOI
10.1109/access.2017.2741899

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Quantum key distribution (QKD) is an innovative solution in the cryptography world to prevent the information leakage that can sometimes be deliberate. Several QKD protocols were recently presented for building a secure shared key, of which the BB84 protocol is one of those interesting protocols. The authentication between the communicating parties is one of the issues that cause a huge argument. Furthermore, the current well-known QKD protocols are not yet ready to realize the personality of either the sender or the receiver, although the QKD protocol is already protected by the rules of physics and quantum mechanics to detect any interruption. This paper introduces a new QKD protocol that utilizes two quantum channels to provide authenticated communications for legitimate parties. Moreover, the proposed QKD protocol uses two type of physical behaviors, entanglement and superposition states. The entangled states are utilized to confirm the authentication between the end users, while the superposition states carry the secret key that will be shared between the users.
Quantum cryptography is considered a solution for sharing secret information in a secure mode. Establishing a quantum security platform into an exciting system requires a package of stable processes. One of these processes is based on creating a Quantum Key Distribution (QKD) protocol or sharing a secret key. This paper presents a QKD protocol that utilizes two quantum channels to prepare a shared secret key. The first communication channel will be initiated by entanglement states, where the entangled photons will be emitted by a trusted third party. The second communication channel utilizes the superposition states that will be initiated by the one of the communicated parties. Moreover, the protocol produces a string of random qubits after verifying the communicated legitimate parties during entangled state channels. The produced string will reflect the shared secret key between the users.
Cryptography is the background of protecting the flowed information between various communicated parties. Quantum cryptography gives the extreme trust to transferred information by creating a unique secret key that is based upon the law of physics. This paper will discuss a novel algorithm that is presented through quantum key distribution (QKD) protocol. This QKD protocol depends on parallel quantum communications between participants within EPR and quantum channels. The proposed protocol utilizes the EPR channel to prove the authentication while the quantum channel to transfer the shared key. Moreover, the proposed protocol initiates the verification of the participant’s identity between the communicators by the EPR channel. After that the transferred data into quantum channel will create the secret key that contains a string of qubits as well as no need to communicate into classical channel.
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.
Cryptographic world has faced multiple challenges that are included in encoding and decoding transmitting information into a secure communication channel. Quantum cryptography may be another generation of the cryptography world, which is based on the law of physics. After decades of using the classical cryptography, there is an essential need to move a step forward through the most trusted systems, especially enormous amount of data flows through billions of communicating channels (e.g. The internet), and keeping this transmitting information away from eavesdropping is obligatory. Moreover, quantum cryptography has proved its standing against many weaknesses in the classical cryptography. One of these weaknesses is the ability to copy any type of information using a passive attack without an interruption, which is impossible in the quantum system. Theoretically, several quantum observables are utilized to diagnose an action of one particle. These observables are included in measuring mass, movement, speed, etc. The polarization of one photon occurs normally and randomly in the space. Any interruption that happens during sending of a light will cause a deconstruction of the light polarization. Therefore, particles’ movement in a three-dimensional space is supported by Non-Cloning theory that makes eavesdroppers unable to interrupt a communication system. In case an eavesdropper tried to interrupt a photon, the photon will be destroyed after passing the photon into a quantum detector or any measurement device. In the last decades, many Quantum Key Distribution (QKD) protocols have been created to initiate a secret key during encoding and decoding transmitted data operations. Some of these protocols were proven un-secure based on the quantum attacks that were released early. Even though the power of physics is still active and the Non-Cloning theory is unbroken, some QKD protocols failed during the security measurements. The main reason of the failure is based on the inability to provide the authentication between the end users during the quantum and classical channels. The proposed QKD protocol was designed to utilize some advantages of quantum physics as well as solid functions that are used in the classical cryptography. The authentication is a requirement during different communication channels, where both legitimate parties must confirm their identities before starting to submit data (plain-text). Moreover, the protocol uses most needed scenarios to finish the communication without leaking important data. These scenarios have been approved in existing QKD protocols either by classical or quantum systems. The matrix techniques also are used as a part of the preparation of the authentication key, where the end users communicate by an EPR (related to Einstein, Podolsky, and Rosen theory in 1935) channel. The EPR channel will be supported by an entanglement of particles. If the EPR communication succeeded, transferring the converted plain-text is required. Finally, both end users will have an authenticated secret key, and the submission will be done without any interruption.
This work presents quantum key distribution protocols (QKDPs) to safeguard security in large networks, efficiency is improved as the proposed protocols contain the fewest number of communication rounds and two parties can share and use a long-term secret Key. 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 with the existence of an eavesdropper. 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 used as parameter to measure the length of final key agreed by both authenticated parties at the end of the communication.
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.