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International Conference on Innovative Computing Technology

A new algorithm for three-party Quantum key distribution

Muneer Alshowkan, Khaled M. Elleithy, Ammar Odeh, Eman Abdelfattah

Published Aug 1, 2013• 8 citations
Publisher

Abstract

This paper aims to solve the security issues between two parties communicating through a Quantum channel. One of the most effective factors in Quantum cryptography is the trust between two or more parties. Communication parties need to verify the authenticity of each other and who they claim to be. The proposed model introduces a trusted center as a new party. This will be used for key distribution and trust establishment. Thus, the trusted center will be part of the process of identity verification and key agreement. Although, the suggested model in this paper is introduced between two parties and a trust center, it could be extended to cover more parties by repeating the same process on each party. This paper provides a new mechanism to establish trust between different parties. In the presented technique, each party can assure that they are communicating with the legitimate party.

DOI
10.1109/intech.2013.6653692

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This paper aims to solve the security issues between two parties communicating through a Quantum channel. One of the most effective factors in Quantum cryptography is the trust between two or more parties. Communication parties need to verify the authenticity of each other and who they claim to be. The proposed model introduces a trusted center as a new party. This will be used for key distribution and trust establishment. Thus, the trusted center will be part of the process of identity verification and key agreement. Although, the suggested model in this paper is introduced between two parties and a trust center, it could be extended to cover more parties by repeating the same process on each party. This paper provides a new mechanism to establish trust between different parties. In the presented technique, each party can assure that they are communicating with the legitimate party.
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.
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.
As many applied and theoretical challenges still face quantum computing in general and quantum cryptography in particular. The teleportation of qubits from one participant to another has been attracting most of the recent focus in this field. Quantum key distribution is a method as in the classical system that provides secret keys to secure communication channels between legitimate participants through various mechanisms. In this paper, a quantum key exchange protocol is designed to transfer qubits from a trusted third party to both communicators. The Third-Party Center (TPC) initiates secure exchanges between the sender (Alice) and the receiver (Bob). Only legitimate parties share indexes with TPC, where the TPC cannot forge the communication parameters. These parameters include photons applied under an EPR Paradox environment. Therefore, the legitimate parties can share data securely by using a third-party without many restrictions.
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.
This project presents Quantum Key Distribution Protocols (QKDPs) to safeguard security in massive networks, by mistreatment DES algorithmic rule for secret writing and decryption of .txt file. In this project, secure communication between the sender and also the receiver is being created attainable through a trusted center by mistreatment secret key authentication. The trustworthy Center distributes a quantum key to each the sender and also the receiver when the verification of the secret key. The sender encrypts the info and sends to the receiver side solely when getting the quantum key from the Trusted Center. Similarly the decoding method happens. RSA algorithmic rule is getting used for quantum key distribution. and the input txt file is retrieved on the receiver aspect.
The aim of quantum key distribution protocols is to establish a secret key among two parties with high security confidence. Such algorithms generally require a quantum channel and an authenticated classical channel. This paper presents a totally new perception of communication in such protocols. The quantum communication alone satisfies all needs of array communication between the two parties. Even so, the quantum communication channel does not need to be protected or authenticated whatsoever. As such, our algorithm is a purely quantum key distribution algorithm. The only certain identification of the two parties is through public keys.