English

A verifiable framework of entanglement-free quantum secret sharing with information-theoretical security

Quantum Physics 2019-12-04 v2

Abstract

Quantum secret sharing (QSS) schemes without entanglement have huge advantages in scalability and are easier to realize as they only require sequential communications of a single quantum system. However, these schemes often come with drawbacks such as exact (n,nn, n) structure, security flaws and absences of effective cheating detections. To address these problems, we propose a verifiable framework by utilizing entanglement-free states to construct (t,nt, n)-QSS schemes. Our work is the heuristic step towards information-theoretical security in entanglement-free QSS, and it sheds light on how to establish effective verification mechanism against cheating. As a result, the proposed framework has a significant importance in constructing QSS schemes for versatile applications in quantum networks due to its intrinsic scalability, flexibility and information theoretical security.

Keywords

Cite

@article{arxiv.1806.01456,
  title  = {A verifiable framework of entanglement-free quantum secret sharing with information-theoretical security},
  author = {Changbin Lu and Fuyou Miao and Junpeng Hou and Wenchao Huang and Yan Xiong},
  journal= {arXiv preprint arXiv:1806.01456},
  year   = {2019}
}