The effectiveness of quantum operations for eavesdropping on sealed messages

Details The effectiveness of quantum operations for eavesdropping on sealed messages The effectiveness of quantum operations for eavesdropping on sealed messages

2007-04-04

arxiv.org/abs/0704.0609v1

Physics

Quantum Physics

10 pages, 2 figures. Third Feynman Festival, 25 -- 29 August 2006, University of Maryland, College Park, Maryland, U.S.A

Scientific paper

10.1088/1742-6596/70/1/012011

A quantum protocol is described which enables a user to send sealed messages and that allows for the detection of active eavesdroppers. We examine a class of eavesdropping strategies, those that make use of quantum operations, and we determine the information gain versus disturbance caused by these strategies. We demonstrate this tradeoff with an example and we compare this protocol to quantum key distribution, quantum direct communication, and quantum seal protocols.

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