Quantum Key Distribution and Quantum Authentication Based on Entangled State

Details Quantum Key Distribution and Quantum Authentication Based on Entangled State Quantum Key Distribution and Quantum Authentication Based on Entangled State

2001-02-12

arxiv.org/abs/quant-ph/0102058v1

Physics

Quantum Physics

Revtex, 9 pages, no figure, accepted for publication by Phys. Lett. A

Scientific paper

10.1016/S0375-9601(01)00129-3

Using the previously shared Einstein-Podolsky-Rosen pairs, a proposal which can be used to distribute a quantum key and identify the user's identification simultaneously is presented. In this scheme, two local unitary operations and the Bell state measurement are used. Combined with quantum memories, a cryptographic network is proposed. One advantage is no classical communication is needed, which make the scheme more secure. The secure analysis of this scheme is shown.

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