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Verifiable quantum secret sharing protocol based on entanglement swapping

Xiaoqing Tan

Published Jan 1, 2012• 0 citations
OpenAlex

Abstract

This paper proposed a verifiable quantum secret sharing protocol based on entanglement swapping.The dealer communicated with the participants one by one.He chose the detection pattern or information pattern by uniform distribution,until he could make sure the information to the participant was safe,and then communicated with the next participant.It could prevent not only the external eavesdropping but also the internal cheating,and guaranteed the correction and security of information shared for verifying.

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This paper proposed a verifiable quantum secret sharing protocol based on entanglement swapping.The dealer communicated with the participants one by one.He chose the detection pattern or information pattern by uniform distribution,until he could make sure the information to the participant was safe,and then communicated with the next participant.It could prevent not only the external eavesdropping but also the internal cheating,and guaranteed the correction and security of information shared for verifying.
We proposes a verifiable quantum secret sharing protocol based on entanglement swapping in this paper. It provides one-to-one communication to dealer who want to connect with the other participants. The dealer chooses the detection or information mode by uniform distribution until he can make sure the information to the participant is safe, and then communicates with the next participant. It can prevent not only the external eavesdropping but also the internal cheating and ensure the validity of information shared to participant by this protocol.
A verifiable quantum secret sharing protocol model is proposed based on entanglement swapping. The dealer communicates with the participants one by one. The detection pattern or information pattern are choosed by uniform distribution, until he can make sure the information safe to the participant, and then he communicates with the next participant. This agreement not only is to avoid eavesdropping outside, and it can prevent internal fraud, thus the accuracy and security are ensured for information sharing, the verifiable results are achieved.
A verifiable (t, n) threshold quantum secret sharing scheme with sequential communication was proposed recently. In this work, we analyze its security and then give two new participant attacks. Using the first participant attack, the first participant can obtain the dealer's secrets by himself with nonzero probability without being detected. Using the second participant attack, a dishonest participant can gain access to the dealer's secrets by himself in the secret reconstruction phase while he can make the other participants recover false secrets instead of the real ones without being detected. Furthermore, we present an effective way to prevent these attacks.