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

Comment on: “secure direct communication based on ping-pong protocol” [Quantum Inf. Process.... The crucial issue of quantum communication protocol is its security. In this paper, the security of a secure direct communication based on ping-pong protocol [Chamoli A, Bhandari CM, Quantum Inf Process 8, 347 (2009)] is analyzed. It is shown that in this protocol any dishonest party can obtain all the other one’s secret message with zero risk of being detected by using a special type of attack, i.e., using fake entangled particles (FEP attack). Finally, a simple improvement to resist this attack is proposed. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Quantum Information Processing Springer Journals

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

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Publisher
Springer US
Copyright
Copyright © 2009 by Springer Science+Business Media, LLC
Subject
Physics; Quantum Information Technology, Spintronics; Quantum Computing; Data Structures, Cryptology and Information Theory; Quantum Physics; Mathematical Physics
ISSN
1570-0755
eISSN
1573-1332
D.O.I.
10.1007/s11128-009-0157-2
Publisher site
See Article on Publisher Site

Abstract

The crucial issue of quantum communication protocol is its security. In this paper, the security of a secure direct communication based on ping-pong protocol [Chamoli A, Bhandari CM, Quantum Inf Process 8, 347 (2009)] is analyzed. It is shown that in this protocol any dishonest party can obtain all the other one’s secret message with zero risk of being detected by using a special type of attack, i.e., using fake entangled particles (FEP attack). Finally, a simple improvement to resist this attack is proposed.

Journal

Quantum Information ProcessingSpringer Journals

Published: Dec 15, 2009

References

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