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7. one-time quantum pad and Quantum Vernam cipher (Slides)

7. one-time quantum pad and Quantum Vernam cipher (Slides)

7. one-time quantum pad and Quantum Vernam cipher (Slides)

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© Claude Crépeau 2002-2009 22Theorems[AMTW00] showeda QES (with error probability 0)—> 2n bits to encrypt n qubitsa QES with error probability ε>0—> (2-poly(ε))n bitsto encrypt n Eve-entangled qubits[HLSW03] showeda QES with error probability ε>0—> n+o(n) bitsto encrypt n Eve-separated qubits.

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