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   Articles with "secure direct" as a keyword



A Novel Practical Quantum Secure Direct Communication Protocol

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recommendations! Published in 2021 at "International Journal of Theoretical Physics"

DOI: 10.1007/s10773-021-04741-z

Abstract: A novel practical quantum secure direct communication (QSDC) protocol is constructed by utilizing the evolution law of atom via cavity QED. It transmits the atoms from one communicant to the other communicant in a two-step… read more here.

Keywords: practical quantum; novel practical; direct communication; quantum ... See more keywords

Semiquantum secure direct communication using EPR pairs

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recommendations! Published in 2017 at "Quantum Information Processing"

DOI: 10.1007/s11128-017-1573-3

Abstract: Quantum secure direct communication can transmit a secret message directly through quantum channels without first generating a shared secret key. In the most of the existing protocols, quantum secure direct communication is possible only when… read more here.

Keywords: secret message; direct communication; semiquantum secure; secure direct ... See more keywords

Controlled bidirectional quantum secure direct communication with hyperentangled Bell states

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recommendations! Published in 2024 at "Physica Scripta"

DOI: 10.1088/1402-4896/ada208

Abstract: This paper presents a groundbreaking protocol for controlled bidirectional quantum secure direct communication based on hyperentangled Bell states, involving two longitudinal momentum and polarization degrees of freedom. In this protocol, the controller Charlie governs bidirectional… read more here.

Keywords: direct communication; quantum secure; controlled bidirectional; secure direct ... See more keywords

Measurement-device-independent quantum secure direct communication based on quantum cover channel and multiple degrees of freedom of hyperentanglement

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recommendations! Published in 2025 at "Physica Scripta"

DOI: 10.1088/1402-4896/ada4f4

Abstract: Quantum secure direct communication (QSDC) achieves direct and secure transmission of information which does not need a pre-shared key. To improve the practical reliability of QSDC systems, Measurement-device-independent quantum secure direct communication protocol (MDI-QSDC) have… read more here.

Keywords: direct communication; quantum secure; secure; secure direct ... See more keywords

Controller independent controlled bidirectional quantum secure direct communication

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recommendations! Published in 2025 at "Physica Scripta"

DOI: 10.1088/1402-4896/adc2af

Abstract: Controlled bidirectional quantum secure direct communication (CBQSDC) is an important research direction in quantum secure direct communication. It can enable two legitimate users to confidentially exchange secret messages only with the permission of the controller.… read more here.

Keywords: direct communication; quantum secure; controller; controlled bidirectional ... See more keywords

Single-Photon-Memory Measurement-Device-Independent Quantum Secure Direct Communication—Part I: Its Fundamentals and Evolution

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recommendations! Published in 2023 at "IEEE Communications Letters"

DOI: 10.1109/lcomm.2023.3247178

Abstract: Quantum secure direct communication (QSDC) has attracted a lot of attention, which exploits deep-rooted quantum physical principles to guarantee unconditional security of communication in the face of eavesdropping. We first briefly review the fundamentals of… read more here.

Keywords: secure direct; communication; direct communication; single photon ... See more keywords

Passive attack to the controlled secure direct communication with seven-qubit entangled states protocol

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recommendations! Published in 2019 at "Modern Physics Letters A"

DOI: 10.1142/s0217732319503437

Abstract: It is found that the controlled quantum secure direct communication (CQSDC) based on a seven-qubit entangled state protocol [S. K. Wang, X. W. Zha and H. Wu, Int. J. Theor. Phys. 57, 48 (2018)] can… read more here.

Keywords: qubit entangled; seven qubit; direct communication; secure direct ... See more keywords

Controlled bidirectional quantum secure direct communication protocol based on Grover’s algorithm

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recommendations! Published in 2020 at "Modern Physics Letters A"

DOI: 10.1142/s0217732320502284

Abstract: A novel controlled bidirectional quantum secure direct communication (CBQSDC) protocol based on Grover’s algorithm is proposed in our paper, which is on the basis of investigating the properties of... read more here.

Keywords: direct communication; controlled bidirectional; secure direct; bidirectional quantum ... See more keywords

Four-party quantum secure direct communication based on hyperentangled bell states

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recommendations! Published in 2024 at "Modern Physics Letters B"

DOI: 10.1142/s0217984924503111

Abstract: Quantum Secure Direct Communication (QSDC) is a promising approach for secure information exchange. This paper proposes an efficient and secure four-party QSDC scheme utilizing hyperentangled Bell states in the polarization degree of freedom, the first… read more here.

Keywords: quantum secure; secure direct; secure; degree freedom ... See more keywords

Semiquantum secure direct communication with authentication based on single-photons

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recommendations! Published in 2019 at "International Journal of Quantum Information"

DOI: 10.1142/s0219749919500242

Abstract: Semiquantum cryptography has drawn much attention in recent years since it simplifies the implementation of quantum cryptographic protocols. In this paper, we study semiquantum secure direct communication (SQSDC). Based on single-photons, we propose a two-step… read more here.

Keywords: secure; semiquantum secure; single photons; direct communication ... See more keywords

Quantum Secure Direct Communication Technology-Enhanced Time-Sensitive Networks

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recommendations! Published in 2025 at "Entropy"

DOI: 10.3390/e27030221

Abstract: Quantum information has emerged as a frontier in scientific research and is transitioning to real-world technologies and applications. In this work, we explore the integration of quantum secure direct communication (QSDC) with time-sensitive networking (TSN)… read more here.

Keywords: direct communication; time; quantum secure; secure direct ... See more keywords