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International Conference on P2P, Parallel, Grid, Cloud and Internet Computing (3PGCIC)

Multi-party Quantum Secure Direct Communication

Xiaoqing Tan, Xiaoqian Zhang, Cui Liang

Published Nov 1, 2014• 5 citations
Publisher

Abstract

A protocol for three-party quantum secure direct communication using entanglement states is proposed. In this protocol, three participants simultaneously exchange their messages. The protocol is shown to stand against the intercept-and-resend attack, the intercept-and-measure attack, the intercept-and-entangle auxiliary attack and the denial-of-service attack. It can be generalized to N-party case that is feasible.

DOI
10.1109/3pgcic.2014.71

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A protocol for three-party quantum secure direct communication using entanglement states is proposed. In this protocol, three participants simultaneously exchange their messages. The protocol is shown to stand against the intercept-and-resend attack, the intercept-and-measure attack, the intercept-and-entangle auxiliary attack and the denial-of-service attack. It can be generalized to N-party case that is feasible.
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Multi-party quantum secret sharing scheme with high efficient based on entanglement states is proposed and analyzed. A three-party which is presented shares a sequence of joint key bits. In this scheme, a general proof of the security against eavesdropping for three-party quantum secret sharing based on entanglement swapping is provided. The scheme which is showed is secure against a dishonest participant's intercept-and-resend attack and eavesdropper's entangle auxiliary-particles attack. In case of eavesdropping attacks with full information again, the detection bit needs to be transmitted except those for detection, the total efficiency of the scheme approaches to 100%. The protocol can be generalized to N-party system by using N-partite entanglement states.