|
| related topics |
| {alice, bob, state} |
| {photon, photons, single} |
|
Improving the security of multiparty quantum secret splitting and
quantum state sharing
Hong-Fu Wang, Xin Ji, Shou Zhang
abstract: A protocol for multiparty quantum secret splitting (MQSS) with an ordered $N$
Einstein-Podolsky-Rosen (EPR) pairs and Bell state measurements is recently
proposed by Deng {\rm et al.} [Phys. Lett. A 354(2006)190]. We analyzed the
security of the protocol and found that this protocol is secure for any other
eavesdropper except for the agent Bob who adopts intercept-and-resend attack.
Bob can obtain all the information of Alice's alone without being found. We
also propose an improved version of the MQSS protocol.
- oai_identifier:
- oai:arXiv.org:quant-ph/0605064
- categories:
- quant-ph
- comments:
- To appear in Phys. Lett. A
- doi:
- 10.1016/j.physleta.2006.04.110
- arxiv_id:
- quant-ph/0605064
- created:
- 2006-05-06
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