Quantum authentication protocol using entangled states

Authors:
Xiaoyu Li;Dexi Zhang
Affiliations:
College of Information Engineering, Zhengzhou University, Zhengzhou City, The People's Republic of China;College of Computer Science and Technology, Xuchang University, Xuchang City, The People's Republic of China
Venue:
ACOS'06 Proceedings of the 5th WSEAS international conference on Applied computer science
Year:
2006

Citing 4
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Abstract

In this paper we provide a quantum authentication protocol. The two parties share a sequence of EPR(Einstein-Podolsky-Rosen) pairs as the authentication key. To authenticate each other, one party creates auxiliary qubits and make them interact with the authentication key. After measurement in selected basis, he or she affirm the other's identity. We shown that no one without the authentication key can pass the authentication process. So the protocol is secure. The authentication key is reusable if there are no eavesdroppers and errors in transmission.