Secure Quantum Network Coding on Butterfly Network

Abstract

Quantum network coding on the butterfly network has been studied as a typical example of quantum multiple cast network. We propose secure quantum network coding on the butterfly network in the multiple unicast setting based on a secure classical network coding. This protocol certainly transmits quantum states when there is no attack. We also show the secrecy even when the eavesdropper wiretaps one of the channels in the butterfly network.

11 pages, 2 figures

References in corpus (1)

• Prior entanglement between senders enables perfect quantum network coding with modification

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