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No information flow using statistical fluctuations and quantum cryptography
Linköping University, The Institute of Technology. Linköping University, Department of Mathematics, Applied Mathematics.ORCID iD: 0000-0002-1082-8325
2004 (English)In: Phys. Rev. A 69, 042317, Vol. 69, no 4, 42317- p.Article in journal (Refereed) Published
Abstract [en]

The use of entanglement by quantum-cryptographic protocol to transfer the data was discussed. The detection of individual eavesdropping attack on each qubit was detected by the security test where the qubits provides the key, and there exists a coherent attack internal to these groups, which goes unnoticed in security tests. The result shows that the level of the individual qubits also detect the coherent attack by testing equality for the measurements. A modified test was proposed to ensure security against a coherent attack.

Place, publisher, year, edition, pages
2004. Vol. 69, no 4, 42317- p.
National Category
URN: urn:nbn:se:liu:diva-23131DOI: 10.1103/PhysRevA.69.042317Local ID: 2531OAI: diva2:243445
Available from: 2009-10-07 Created: 2009-10-07 Last updated: 2016-08-31

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Larsson, Jan-Åke
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The Institute of TechnologyApplied Mathematics

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