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quant-ph2004
Secure quantum cryptographic network based on quantum key distribution
Sora Choi, Soojoon Lee, Dong Pyo Chi
We present a protocol for quantum cryptographic network consisting of a quantum network center and many users, in which any pair of parties with members chosen from the whole users…
quant-ph2003
Quantum key distribution between two groups using secret sharing
Sora Choi, Jinsoo Kim, Dong Pyo Chi
In this paper, we investigate properties of some multi-particle entangled states and, from the properties applying the secret sharing present a new type of quantum key distribution…