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Journal of Information Engineering University

Dynamic Secret Sharing Scheme for Quantum State

DU Yu-ta

Published Jan 1, 2014• 0 citations
OpenAlex

Abstract

A kind of dynamic quantum secret sharing scheme for single quantum state is proposed based on the two-particle transform,which performs different local operations on different photons of the Bell states. This scheme can resist the typical attack strategies such as the substitute-Bell-state attack,the compound entanglement-swapping attack and the cheating attack from the agent,etc.Meanwhile,the scheme is also high-efficient and can update the sub-secrets and the group of agents dynamically.

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A kind of dynamic quantum secret sharing scheme for single quantum state is proposed based on the two-particle transform,which performs different local operations on different photons of the Bell states. This scheme can resist the typical attack strategies such as the substitute-Bell-state attack,the compound entanglement-swapping attack and the cheating attack from the agent,etc.Meanwhile,the scheme is also high-efficient and can update the sub-secrets and the group of agents dynamically.
To solve the problems of updating sub-secrets or secrets as well as adding or deleting agents in the quantum secret sharing protocol, we propose a two-particle transform of Bell states, and consequently present a novel dynamic quantum secret sharing protocol. The new protocol can not only resist some typical attacks, but also be more efficient than the existing protocols. Furthermore, we take advantage of the protocol to establish the dynamic secret sharing of a quantum state protocol for two-particle maximum entangled states.
Dynamic quantum secret sharing occupies an important position in quantum cryptography. In this paper, an efficient and secure dynamic quantum direct two-secrets sharing scheme is proposed based on the GHZ state. The proposed scheme is a one-time sharing of a determined classic message and quantum states. For recovering the secret messages, the agents only need to have the ability to perform X-basis measurements on the particles without performing any unitary operation. When dynamically deleting agents, our scheme only requires the other agents to announce some information without transmitting any quantum. Moreover, the analysis shows that our scheme is able to resist dishonest revoked agent attack as well as a range of other common attacks. Compared with the existing dynamic quantum direct secret sharing schemes, the proposed scheme is more efficient and more secure.
Abstract To address the challenge of disseminating confidential information from multiple agents to multiple agents, a dynamic quantum secret sharing protocol is proposed for multiparty ( agents in the Group 1) to multiparty ( agents in the Group 2) based on entanglement swapping of Bell states. This protocol accommodates an unequal number of agents in two groups with and enables the addition and revocation of agents in the Group 2 in both the pre‐measurement phase and the post‐measurement phase. In addition, agents in the Group 1 can verify the shares of agents in the Group 2 without the need for a third party, which significantly enhances the security and simplifies the protocol. A comprehensive security analysis demonstrates that the protocol can effectively resist common attacks in quantum communications. The simulation on the IBM's Qiskit framework shows the correctness and usefulness of the protocol. Compared with previous protocols, the protocol is more flexible and practical. Moreover, the protocol based on Bell states exhibits superior performance compared with previous protocols that utilised others entangled states. This study offers a more flexible and efficient solution for advancing the field of quantum secure communications.
Quantum secret sharing occupies an important position in quantum cryptography. In this document, a dynamic (t, n) threshold quantum secret sharing scheme is proposed based on homogeneous LFSR sequences and d-dimensional Bell states. The secret shared among agents in this scheme is determined by the distributor and the scheme enables the update of agents without the help of other agents. More, this paper considers the case when no less than t agents cooperate in secret reconstruction, which makes the proposed scheme more flexible and practical than the existing ones. Finally, our scheme is not only resistant to eavesdropping, collusion, dishonest revoked agent, and in-attacker’s cheating attacks, but also agents can verify for themselves that the shared secrets are correct.
This paper proposes a dynamic multiparty to multiparty quantum secret sharing scheme, where two distant groups of participants can share the common secrets. In our present scheme, a trusted third party is required to reliably prepare all quantum resources. Each agent only needs to perform the local unitary operations or single-particle measurement completing the process of secret sharing. Secret can be recovered only if all agents cooperate each other. Furthermore, a new agent can be added or deleted from the current scheme with the help of the trusted third party. Finally, security analysis shows that our scheme can resist various common attacks. Compared to former existing researches, our scheme can be more efficient in real application.