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quant-ph1997
Cryptographic Distinguishability Measures for Quantum Mechanical States
Christopher A. Fuchs, Jeroen van de Graaf
This paper, mostly expository in nature, surveys four measures of distinguishability for quantum-mechanical states. This is done from the point of view of the cryptographer with a…
quant-ph1997
Optimal Eavesdropping in Quantum Cryptography. I
Christopher A. Fuchs, Nicolas Gisin, Robert B. Griffiths +2
We consider the Bennett-Brassard cryptographic scheme, which uses two conjugate quantum bases. An eavesdropper who attempts to obtain information on qubits sent in one of the bases…