A (n-1, n) Threshold Quantum Secret Sharing Scheme Based on Entanglement Swapping

doi:10.13190/jbupt.200802.26.lins

JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM ›› 2008, Vol. 31 ›› Issue (2): 26-29.doi: 10.13190/jbupt.200802.26.lins

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A (n-1, n) Threshold Quantum Secret Sharing Scheme Based on Entanglement Swapping

LIN Song1,2, QIN Su-juan1, CHEN Xiu-bo1, WEN Qiao-yan1, ZHU Fu-chen3

1. State key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Beijing 100876, China; 2. School of mathematics and computer science, Fujian Normal University, Fuzhou 350007, China; 3. National Laboratory for Modern Communications, Chengdu 610041, China

Received:2007-06-05 Revised:1900-01-01 Online:2008-04-28 Published:2008-04-28
Contact: LIN Song

Abstract

Abstract:

Drawing idea from the quantum entanglement swapping, a quantum (n-1，n)threshold scheme is proposed. By local unitary operation and entanglement swapping, the sender can transmit the piece of secret to the participant. To ensure the qubits be transmitted between two parties in a secure manner，the sender switches randomly the message mode to control mode asymmetrically. A security analyses on this scheme is then made. It shows that this scheme is secure. Compared with the quantum secret sharing scheme with Greenberger-Horne-Zeilinger (GHZ) state, the scheme achieves a high efficiency. Furthermore, since the Einstein-Podolsky-Rosen （EPR） pair was used, the experimental realization of the protocol becomes feasible

Key words: Bell state, entanglement swapping, quantum secret sharing

CLC Number:

TN918.2

LIN Song1,2, QIN Su-juan1, CHEN Xiu-bo1, WEN Qiao-yan1, ZHU Fu-chen3. A (n-1, n) Threshold Quantum Secret Sharing Scheme Based on Entanglement Swapping[J]. JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM, 2008, 31(2): 26-29.

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[2]	TONG Xin1, WEN Qiao-yan1, ZHU Fu-chen2. Quantum Secret Sharing Based on GHZ States Entanglement Swapping [J]. JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM, 2007, 30(1): 44-48.
[3]	YANG Yu-guang¹WEN Qiao-yan¹ ZHU Fu-chen². Quantum Key Distribution and Secret Sharing via W states [J]. JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM, 2006, 29(3): 40-43.
[4]	QIN Su-juan, WEN Qiao-yan, ZHU Fu-chen. A Ring Quantum Secret Sharing Protocol Based on Entanglement Swapping of Bell States [J]. JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM, 2006, 29(2): 34-37.
[5]	YANG Yu-guang，WEN Qiao-yan，ZHU Fu-chen. Efficient Quantum Key Distribution Protocol [J]. JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM, 2006, 29(1): 128-130.
[6]	GUO Fenzhuo1,2 ,GAO Fei1,WEN Qiaoyan1,ZHU Fuchen3. An Efficient Quantum Secret Sharing Scheme Based on Bell States [J]. JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM, 2005, 28(6): 120-122.
[7]	QIN Sujuan1,2,LIU Tailin3,1,WEN Qiaoyan. Quantum Secret Sharing Based on Entanglement Swapping and Local Operation [J]. JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM, 2005, 28(4): 74-77.
[8]	YANG Yu-guang, WEN Qiao-yan, ZHU Fu-chen. Quantum Authentication Protocols Based on Entanglement Swapping [J]. JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM, 2004, 27(4): 46-49.

A (n-1, n) Threshold Quantum Secret Sharing Scheme Based on Entanglement Swapping

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