Secure direct communication based on ping---pong protocol

Authors:
Arti Chamoli;C. M. Bhandari
Affiliations:
Indian Institute of Information Technology, Allahabad, Allahabad, India 211012;Indian Institute of Information Technology, Allahabad, Allahabad, India 211012
Venue:
Quantum Information Processing
Year:
2009

Citing 0
Cited 6

Comment on: "secure direct communication based on ping-pong protocol" [Quantum Inf. Process. 8, 347 (2009)]

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Abstract

Communication security with quantum key distribution has been one of the important features of quantum information theory. A novel concept of secured direct communication with no need of establishing any shared secret key has been the next step forward. The present paper presents a secured communication scheme with three particle GHZ state as the initial state where the receiver can simultaneously receive information from two parties. Possible eavesdropping has been examined.