Bidirectional quantum secure communication based on a shared private Bell state

Fault-tolerant authenticated quantum dialogue using logical Bell states

“…Compared with the previous QD protocols [12][13][14][15][16][17][18][19][20][21][22][23][24][28][29][30][31][32][33][34][35][36][37][38][39][40]42,[53][54][55][56][57][58][59][60][61], the great merit of the two proposed protocols is that each of them can accomplish the mutual identity authentication and the dialogue between two participants simultaneously and securely over one kind of collective noise channels under the assumption that the information transmitted through the classical channel is eavesdroppable and modifiable. Their other characteristics are:…”

A Kind of Quantum Dialogue Protocols Without Information Leakage Assisted by Auxiliary Quantum Operation

“…Table 1 Comparisons of previous information leakage resistant QD protocols The protocol The protocol The protocol The protocol The protocol The protocol The protocol The proposed The proposed The proposed of Ref. [17] of Ref. [18] ofRef.…”

“…We compare our protocols with the previous information leakage resistant QD protocols [17][18][19][20][21][22][23] on three aspects including the initial quantum resource, the quantum measurement and Cabello's information-theoretical efficiency. Table 1 summarizes the comparison results.…”

“…It can be concluded from Table 1 that, compared with the protocols in Refs. [17][18][19][20][21][22], the advantage of our protocols with Bell state and W state lies in Cabello's information-theoretical efficiency.…”

“…Since then, scholars began to pay special attentions on the information leakage problem in QD. As a result, many good information leakage resistant QD protocols [17][18][19][20][21][22][23] were put forward subsequently. In this paper, we also concentrate on the issue of information problem in QD.…”