Entanglement Enhances Security in Secret Sharing

Details Entanglement Enhances Security in Secret Sharing Entanglement Enhances Security in Secret Sharing

2008-02-13

arxiv.org/abs/0802.1811v1

Phys. Rev. A 80, 012311 (2009)

Physics

Quantum Physics

5 pages, 1 figure, RevTeX4

Scientific paper

10.1103/PhysRevA.80.012311

We analyze tolerable quantum bit error rates in secret sharing protocols, and
show that using entangled encoding states is advantageous in the case when the
eavesdropping attacks are local. We also provide a criterion for security in
secret sharing -- a parallel of the Csiszar-Korner criterion in single-receiver
cryptography.

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