4 May 2012 Quantum unicity distance
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We attempt to develop Shannon's concept of the unicity distance into the quantum context. Based on the definition of information-theoretic security for quantum cryptography, we present a quantum probabilistic encryption algorithm with bounded information-theoretic security, and then work out its quantum unicity distances. The result shows that quantum unicity distance is much bigger than the unicity distance of classical cryptography.
© (2012) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Chong Xiang, Li Yang, "Quantum unicity distance", Proc. SPIE 8440, Quantum Optics II, 84400T (4 May 2012); doi: 10.1117/12.922555; https://doi.org/10.1117/12.922555

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