A Dynamic Semi-Quantum Private Comparison Protocol for Size Relations DOI
Chong‐Qiang Ye, Xiaoyu Chen, Jian Li

et al.

Physica Scripta, Journal Year: 2024, Volume and Issue: 99(12), P. 125114 - 125114

Published: Nov. 4, 2024

Abstract Semi-quantum private comparison allows multiple ‘classical’ users who have restricted quantum capabilities to compare their data with the assistance of a third party. In this work, we propose novel dynamic semi-quantum protocol using circular transmission mode along d -dimensional single-particle states. The enables size relations among several users, while party can only determine relative sizes without accessing users’ secret information. Security evaluations demonstrate that designed withstands typical external and internal attacks. Compared previous works, offers improvements: first, it supports addition or removal enhancing applicability in practical scenarios; second, eliminates need for pre-shared keys, reducing resource consumption; third, avoids use high-dimensional multi-particle entangled states, thereby feasibility implementation. Therefore, proposed may more potential compared protocols.

Language: Английский

Semiquantum private comparison based on Bell states without quantum measurements from the classical user DOI

Mao-Jie Geng,

Xia Li, Tian-Yu Ye

et al.

Laser Physics Letters, Journal Year: 2024, Volume and Issue: 21(10), P. 105205 - 105205

Published: Sept. 4, 2024

Abstract In this paper, we propose a novel semiquantum private comparison (SQPC) protocol based on Bell states, which enables one quantum user and classical to compare the equality of their inputs with help semi-honest third party (TP). TP is assumed be in sense that she may take all possible attacks steal users’ except conspiring anyone. The security analysis validates our can resist not only from internal participants but also an external eavesdropper. Besides, asks perform basis measurements does need entanglement swapping; it releases conducting having memory. Moreover, advantage over previous SQPC protocols states qubit efficiency. Finally, generalized into its counterpart collective-dephasing noise channel.

Language: Английский

Citations

3

Authenticated multi-party quantum key agreement protocol based on cluster states DOI
Li Zhang, Zhaowei Han, Yuehua Li

et al.

Laser Physics, Journal Year: 2024, Volume and Issue: 34(9), P. 095205 - 095205

Published: Aug. 21, 2024

Abstract Quantum key agreement (QKA) is an important cryptographic primitive that plays a pivotal role in private communications. Authenticated QKA QKA. In this paper, we propose authenticated multiparty scheme based on 4-qubit cluster states entanglement swapping. The divided into two parts, the first part quantum identity authentication stage, and second stage. participants determine participant communicating with them claimed person through mutual authentication, which can avoid impersonation attack of eavesdropper Eve. phase, adopt bidirectional transmission structure participation semi-trusted third party, swapping property state, finally realized. Detailed security analysis shows protocol resist variety internal external attacks, such as attack, entangle-measure so on.

Language: Английский

Citations

1

Reflecting attack and improvement of a semi-quantum private comparison protocol with three-particle GHZ-like states DOI
Chun‐Wei Yang, Yu-Yun Huang, Chia‐Wei Tsai

et al.

Modern Physics Letters A, Journal Year: 2024, Volume and Issue: unknown

Published: Nov. 23, 2024

This study focuses on semi-quantum private comparison (SQPC) protocols, where participants with limited quantum capabilities compare information the help of a third party (TP). Yan et al. introduced an SQPC protocol in 2021, but Li later found it vulnerable to double controlled NOT (CNOT) operation attacks and proposed improvements. However, this identifies different vulnerability al.’s — reflecting attack that allows leakage. Bob can intercept reflect states, avoiding detection then use Alice’s measurement outcomes pre-shared key access her confidential information. The also proposes enhanced method secure protocol.

Language: Английский

Citations

1

A Dynamic Semi-Quantum Private Comparison Protocol for Size Relations DOI
Chong‐Qiang Ye, Xiaoyu Chen, Jian Li

et al.

Physica Scripta, Journal Year: 2024, Volume and Issue: 99(12), P. 125114 - 125114

Published: Nov. 4, 2024

Abstract Semi-quantum private comparison allows multiple ‘classical’ users who have restricted quantum capabilities to compare their data with the assistance of a third party. In this work, we propose novel dynamic semi-quantum protocol using circular transmission mode along d -dimensional single-particle states. The enables size relations among several users, while party can only determine relative sizes without accessing users’ secret information. Security evaluations demonstrate that designed withstands typical external and internal attacks. Compared previous works, offers improvements: first, it supports addition or removal enhancing applicability in practical scenarios; second, eliminates need for pre-shared keys, reducing resource consumption; third, avoids use high-dimensional multi-particle entangled states, thereby feasibility implementation. Therefore, proposed may more potential compared protocols.

Language: Английский

Citations

0