Journal Article10.1088/1674-1056/ac65f0
Efficient quantum private comparison protocol utilizing single photons and rotational encryption
11
TL;DR: A quantum private comparison protocol with higher efficiency and easier implementation is proposed in this paper, and the analysis shows that the protocol is also correct and secure.
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Abstract:
As a branch of quantum secure multi-party computation, quantum private comparison is applied frequently in many fields, such as secret elections, private voting, and identification. A quantum private comparison protocol with higher efficiency and easier implementation is proposed in this paper. The private secrets are encoded as single polarized photons and then encrypted with a homomorphic rotational encryption method. Relying on this method and the circular transmission mode, we implement the multiplexing of photons, raising the efficiency of our protocol to 100%. Our protocol is easy to realize since only single photons, unitary operation, and single-particle measurement are introduced. Meanwhile, the analysis shows that our protocol is also correct and secure.
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Citations
Efficient multiparty quantum private comparison protocol based on single photons and rotation encryption
Xi Huang,Shibin Zhang +1 more
TL;DR: This paper proposes an efficient MQPC protocol based on single photons and rotation encryption with the assistance of a semi-honest third party (TP), which can be significantly improved, without the need for complex quantum technologies.
11
Practical quantum protocols for blind millionaires’ problem based on rotation encryption and swap test
Xi Huang,Wen-Fang Zhang,Shibin Zhang +2 more
- 01 Feb 2024
9
Quantum Secure Multi-Party Summation Using Single Photons
TL;DR: In this paper , a secure multi-party summation based on single photons was proposed, where each participant with secret input only performs simple single-particle operators rather than particle preparation and any complex quantum measurements.
Security analysis and improvement in a semi-quantum private comparison without pre-shared key
Zhenbin He,Xiaoping Lou +1 more
TL;DR: There exist some security problems in Tian’s SQPC protocol, such that participants’ secret information can easily be leaked, so an improved SQPC Protocol is proposed that has a higher security level.
8
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Insecurity of quantum secure computations
Hoi-Kwong Lo,Hoi-Kwong Lo +1 more
TL;DR: This work shows that all one-sided two-party computations (which allow only one of the two parties to learn the result) are necessarily insecure, and constructs a class of functions that cannot be computed securely in any two-sidedTwo-party computation.
An efficient two-party quantum private comparison protocol with decoy photons and two-photon entanglement
TL;DR: An efficient quantum private comparison protocol for comparing information of equality with the help of a third party (TP) is proposed, which can ensure fairness, efficiency and security.
345
New quantum private comparison protocol using EPR pairs
TL;DR: A different quantum private comparison protocol enabling two parties to compare the equality of their information without revealing the information content is proposed, which provides easier implementation as well as better qubit efficiency than the other QPCs.
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