Measurement Device Independent Quantum Dialogue
Arpita Maitra

TL;DR
This paper introduces a measurement device independent quantum dialogue protocol that enhances security against classical and side-channel attacks, does not require quantum memory, and is suitable for practical quantum communication implementations.
Contribution
It proposes a novel MDI-QD scheme resistant to information leakage and side-channel attacks, improving security and practicality over previous QD protocols.
Findings
Protocol is secure under adversarial measurement conditions.
Does not require quantum memory, increasing robustness.
Resistant to side-channel and memory attacks.
Abstract
Very recently, the experimental demonstration of Quantum Secure Direct Communication (QSDC) with state-of-the-art atomic quantum memory has been reported (Phys. Rev. Lett., 2017). Quantum Dialogue (QD) falls under QSDC where the secrete messages are communicated simultaneously between two legitimate parties. The successful experimental demonstration of QSDC opens up the possibilities for practical implementation of QD protocols. Thus, it is necessary to analyze the practical security issues of QD protocols for future implementation. Since the very first proposal for QD by Nguyen (Phys. Lett. A, 2004) a large number of variants and extensions have been presented till date. However, all of those leak half of the secret bits to the adversary through classical communications of the measurement results. In this direction, motivated by the idea of Lo et al. (Phys. Rev. Lett., 2012), we…
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Taxonomy
TopicsQuantum Information and Cryptography · Quantum Mechanics and Applications · Cold Fusion and Nuclear Reactions
