Two Efficient Measurement Device Independent Quantum Dialogue Protocols

Abstract

Quantum dialogue is a process of two way secure and simultaneous communication using a single channel. Recently, a Measurement Device Independent Quantum Dialogue (MDI-QD) protocol has been proposed (Quantum Information Processing 16.12 (2017): 305). To make the protocol secure against information leakage, the authors have discarded almost half of the qubits remaining after the error estimation phase. In this paper, we propose two modified versions of the MDI-QD protocol such that the number of discarded qubits is reduced to almost one-fourth of the remaining qubits after the error estimation phase. We use almost half of their discarded qubits along with their used qubits to make our protocol more efficient in qubits count. We show that both of our protocols are secure under the same adversarial model given in MDI-QD protocol.

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Cited by in corpus (4)

• Improving the Security of "Measurement-Device-Independent Quantum Communication without Encryption"
• Quantum Secure Direct Communication with Mutual Authentication using a Single Basis
• Cryptanalysis of Quantum Secure Direct Communication Protocol with Mutual Authentication Based on Single Photons and Bell States
• Secure Multi-Party Quantum Conference and Xor Computation