Implementation and security analysis of continuous variable quantum secure direct communication protocols

Paparelle, I. and Paris, M. G. A. and Zavatta, A. (2022) Implementation and security analysis of continuous variable quantum secure direct communication protocols. Il nuovo cimento C, 45 (6). pp. 1-4. ISSN 1826-9885

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Abstract

The development of supercomputers and quantum computers will threaten current secure communication protocols. However, quantum mechanics offers a solution guaranteeing physical layer and provable security of communications. In particular, quantum secure direct communication (QSDC) allows secret messages to be directly and securely communicated over a quantum channel. We investigate implementations of continuous variable QSDC using single-mode squeezed coherent states, and state-of-the-art quantum optical technology. Indeed, the continuous variable regime can be well compatible with fully developed optical telecommunication technologies. The security of the protocols against different forms of attacks (e.g., intercept-resend attack and collective attack) and against losses and noise is investigated, both analytically and numerically.

Item Type:	Article
Subjects:	500 Scienze naturali e Matematica > 530 Fisica
Depositing User:	Marina Spanti
Date Deposited:	06 Sep 2022 13:16
Last Modified:	06 Sep 2022 13:16
URI:	http://eprints.bice.rm.cnr.it/id/eprint/22065

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