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Quantum Information and Computation     ISSN: 1533-7146      published since 2001
Vol.3 No.1, January 2003

On the problem of authentication in a quantum protocol to detect traffic analysis (pp048-054)
        J. Muller-Quade and R. Steinwandt
         
doi: https://doi.org/10.26421/QIC3.1-4

Abstracts: Recently, a basic design for a quantum protocol to detect a perpetual traffic analysis of a communication channel has been proposed\cite{SJB01}. As it stands, this protocol does not take the problem of authentication into account. We show that a `standard' authentication procedure does not apply in this context, as the attacker is only interested in the number of transmitted bits. Moreover, we demonstrate how to use a one-time pad like construction for solving this authentication problem.
Key words: quantum cryptography, traffic analysis, authentication

 

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