International Conference on Information Assurance and Security (IAS)

Practical Quantum No-key Protocol with Identification

Yang Wu, Li Yang

Published Jan 1, 2009• 4 citations

Abstract

Quantum no-key protocol is a quantum realization of Shamir's idea of no-key cryptosystem, which can be used to transport quantum and classical message secretly. It is beyond computational security. We give a practical quantum no-key protocol with mutual identification. In order to prevent MIM (man-in-the-middle) attack, we realize secure information transmission and identification by utilizing a short pre-shared secret bit sequence. And we use pseudo-random sequences to mix the photons which are used for information transmission and the photons which are used for identification. Pseudo-random sequence partly protects the secret sequence and makes our protocol more practical while do not weaken the security. We post a schematic diagram of the experimental set-up which is based on fiber communication system. Our protocol does not need entanglement, multi-qubit operation or classical communication.

DOI: 10.1109/ias.2009.106

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