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Secure cryptographic protocols are indispensable for modern communication systems. It is realized through an encryption process in cryptography. In quantum cryptography, Quantum Key Distribution (QKD) is a widely popular quantum…

Quantum Physics · Physics 2020-07-03 Arunaday Gupta , Bikash K. Behera , Prasanta K. Panigrahi

We devised a protocol that allows two parties, who may malfunction or intentionally convey incorrect information in communication through a quantum channel, to verify each other's measurements and agree on each other's results. This has…

Quantum Physics · Physics 2023-09-07 Kazuki Ikeda , Adam Lowe

Multiparty session calculi have been recently equipped with security requirements, in order to guarantee properties such as access control and leak freedom. However, the proposed security requirements seem to be overly restrictive in some…

Logic in Computer Science · Computer Science 2016-06-21 Ilaria Castellani , Mariangiola Dezani-Ciancaglini , Ugo de'Liguoro

A protocol for multiparty quantum secret splitting is proposed with an ordered $N$ EPR pairs and Bell state measurements. It is secure and has the high intrinsic efficiency and source capacity as almost all the instances are useful and each…

Quantum Physics · Physics 2007-05-23 Fu-Guo Deng , Xi-Han Li , Chun-Yan Li , Ping Zhou , Hong-Yu Zhou

A continuous variable (CV), measurement device independent (MDI) quantum key distribution (QKD) protocol is analyzed, enabling three parties to connect for quantum conferencing. We utilise a generalised Bell detection at an untrusted relay…

Quantum Physics · Physics 2022-10-19 Alasdair I. Fletcher , Stefano Pirandola

Measurement-device-independent quantum key distribution (MDI-QKD) provides a method for secret communication whose security does not rely on trusted measurement devices. In all existing MDI-QKD protocols, the participant Charlie has to…

Quantum Physics · Physics 2022-04-15 Guang Ping He

Quantum Key Distribution (QKD) is the only theoretically proven method for secure key distribution between two users. In this work, we propose and analyze a Measurement Device Independent (MDI) protocol designed to distribute keys among…

Quantum Physics · Physics 2025-04-10 N. Stefanakos , G. Maragkopoulos , A. Mandilara , D. Syvridis

Quantum secure direct communication (QSDC) is a quantum communication paradigm that transmits confidential messages directly using quantum states. Measurement-device-independent (MDI) QSDC protocols can eliminate the security loopholes…

Quantum Physics · Physics 2024-04-04 Xiangjie Li , Min Wang , Xingbo Pan , Yunrong Zhang , Guilu Long

Recently, Sun et al. [Quant Inf Proc DOI: 10.1007/s11128-013-0569-x] presented an efficient multi-party quantum key agreement (QKA) protocol by employing single particles and unitary operations. The aim of this protocol is to fairly and…

Quantum Physics · Physics 2014-06-24 Wei Huang , Qiao-Yan Wen , Bin Liu , Qi Su , Fei Gao

We develop a three-party quantum secret sharing protocol based on arbitrary dimensional quantum states. In contrast to the previous quantum secret sharing protocols, the sender can always control the state, just using local operations, for…

Quantum Physics · Physics 2009-11-13 Dong Pyo Chi , Jeong Woon Choi , Jeong San Kim , Taewan Kim , Soojoon Lee

This study proposes a multiparty mediated quantum secret sharing (MQSS) protocol that allows n restricted quantum users to share a secret via the assistance of a dishonest third-party (TP) with full quantum capabilities. Under the premise…

Cryptography and Security · Computer Science 2021-12-22 Chia-Wei Tsai , Chun-Wei Yang , Jason Lin

Measurement-device-independent quantum key distribution (MDI-QKD) protocol has been demonstrated as a viable solution to detector side-channel attacks. One of the main advantages of MDI-QKD is that the security can be proved without making…

Quantum Physics · Physics 2015-04-14 Bing Qi

In this paper, we first point out that some recently proposed quantum direct communication (QDC) protocols with authentication are vulnerable under some specific attacks, and the secrete message will leak out to the authenticator who is…

Quantum Physics · Physics 2009-03-23 Cheng-An Yen , Shi-Jinn Horng , Hsi-Sheng Goan , Tzong-Wann Kao , Yao-Hsin Chou

In this paper, a novel information leakage resistant quantum dialogue (QD) protocol with single photons in both polarization and spatial-mode degrees of freedom is proposed, which utilizes quantum encryption technology to overcome the…

Quantum Physics · Physics 2022-05-18 Tian-Yu Ye , Mao-Jie Geng , Tian-Jie Xu , Ying Chen

Multiparty quantum key agreement (MQKA) enables $n \geq 3$ mutually distrustful users to establish a shared secret key through collaborative quantum protocols. In this paper, we provide a comprehensive review where we argue that MQKA is…

Quantum Physics · Physics 2026-03-04 Malik Mouaji , Saif Al-Kuwari

Digital signatures play an important role in software distribution, modern communication and financial transactions, where it is important to detect forgery and tampering. Signatures are a cryptographic technique for validating the…

Quantum Physics · Physics 2017-04-25 Ittoop Vergheese Puthoor , Ryan Amiri , Petros Wallden , Marcos Curty , Erika Andersson

Digital signatures represent a crucial cryptographic asset that must be protected against quantum adversaries. Quantum Digital Signatures (QDS) can offer solutions that are information-theoretically (IT) secure and thus immune to quantum…

Quantum Physics · Physics 2025-08-08 Federico Grasselli , Gaetano Russo , Massimiliano Proietti

The measurement-device-independent quantum key distribution (MDI-QKD) protocol plays an important role in quantum communications due to its high level of security and practicability. It can be immune to all side-channel attacks directed on…

Quantum Physics · Physics 2020-08-26 Xing-Yu Zhou , Hua-Jian Ding , Chun-Hui Zhang , Jian Li , Chun-Mei Zhang , Qin Wang

Lin et al. [S. Lin, F. Gao, Q.-y. Wen, F.-c. Zhu, Opt. Commun. 281 (2008) 4553] pointed that the multiparty quantum secret sharing protocol [Z.-j. Zhang, G. Gao, X. Wang, L.-f. Han, S.-h. Shi, Opt. Commun. 269 (2007) 418] is insecure and…

Quantum Physics · Physics 2015-05-27 Gan Gao

Measurement-device-independent quantum secret sharing (MDI-QSS) can eliminate all the security loopholes associated with imperfect measurement devices and greatly enhance QS's security under practical experimental condition. MDI-QSS…

Quantum Physics · Physics 2024-05-28 Cheng Zhang , Qi Zhang , Wei Zhong , Ming-Ming Du , Shu-Ting Shen , Xi-Yun Li , An-Lei Zhang , Lan Zhou , Yu-Bo Sheng