Multi-party quantum private comparison based on entanglement swapping of Bell entangled states within d-level quantum system
Abstract
In this paper, a multi-party quantum private comparison (MQPC) scheme is suggested based on entanglement swapping of Bell entangled states within d-level quantum system, which can accomplish the equality comparison of secret binary sequences from n users via one execution of scheme. Detailed security analysis shows that both the outside attack and the participant attack are ineffective. The suggested scheme needn't establish a private key among n users beforehand through the quantum key distribution (QKD) method to encrypt the secret binary sequences. Compared with previous MQPC scheme based on d-level Cat states and d-level Bell entangled states, the suggested scheme has distinct advantages on quantum resource, quantum measurement of third party (TP) and qubit efficiency.
Cite
@article{arxiv.2205.06932,
title = {Multi-party quantum private comparison based on entanglement swapping of Bell entangled states within d-level quantum system},
author = {Tian-Yu Ye and Jia-Li Hu},
journal= {arXiv preprint arXiv:2205.06932},
year = {2022}
}
Comments
8 pages, 1 figure, 1 table