Semi-Quantum Dialogue with Bell Entangled States

In this paper, we construct a semi-quantum dialogue (SQD) protocol by using Bell entangled states as the initial quantum resource. The information leakage problem is prevented by utilizing the entanglement correlation of two particles from one Bell entangled state. The security towards active attack...

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Bibliographic Details
Published inInternational journal of theoretical physics Vol. 59; no. 5; pp. 1364 - 1371
Main Author Pan, Hong-Ming
Format Journal Article
LanguageEnglish
Published New York Springer US 01.05.2020
Springer Nature B.V
Subjects
Elementary Particles
Encryption
Entangled states
Leakage
Mathematical and Computational Physics
Physics
Physics and Astronomy
Protocol
Quantum entanglement
Quantum Field Theory
Quantum Physics
Theoretical
Information leakage
Bell entangled state
One-time pad encryption
Complete robustness
Semi-quantum dialogue (SQD)
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Summary:In this paper, we construct a semi-quantum dialogue (SQD) protocol by using Bell entangled states as the initial quantum resource. The information leakage problem is prevented by utilizing the entanglement correlation of two particles from one Bell entangled state. The security towards active attacks from an outside Eve is guaranteed by twice security checks and one classical one-time pad encryption process. The proposed SQD protocol can be realized in experiment with present quantum technologies. Compared with the traditional quantum dialogue (QD) protocols without information leakage, the advantage of the proposed SQD protocol lies in that it doesn’t require both communicants to possess quantum capabilities.
ISSN:0020-7748
1572-9575
DOI:10.1007/s10773-019-04335-w