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Signals and communication technology

Security Analysis of the Multi-stage Protocol

Pramode K. Verma, Mayssaa El Rifai, Kam Wai Clifford Chan

Published Aug 18, 2018• 1 citation
Publisher
DOI
10.1007/978-981-10-8618-2_8

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This paper presents a multi-stage, multi-photon quantum key distribution protocol based on the double-lock cryptography.It exploits the asymmetry in the detection strategies between the legitimate users and the eavesdropper.The security analysis of the protocol is presented with coherent states under the interceptresend attack, the photon number splitting attack, and the man-in-the-middle attack.It is found that the mean photon number can be much larger 1.This complements the recent interest in multi-photon quantum communication protocols that require a pre-shared key between the legitimate users.