Quantum Key Distribution and Quantum Authentication Based on Entangled State

Abstract

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.

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

References in corpus (5)

• ``Plug and play'' systems for quantum cryptography
• Practical free-space quantum key distribution over 1 km
• Quantum Cryptographic Network based on Quantum Memories
• Quantum identification system
• Quantum key distribution using different-frequency photons

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