'Unbreakable' quantum cryptography hacked without detection using lasers

John Young jya at pipeline.com
Sun Oct 5 13:38:26 PDT 2008


http://arxiv.org/abs/0809.3408

Can Eve control PerkinElmer actively-quenched single-photon detector?

Authors: Vadim Makarov, Andrey Anisimov, Sebastien Sauge

(Submitted on 19 Sep 2008)

Abstract: We show how PerkinElmer SPCM-AQR detector module can 
be controlled by an eavesdropper using bright optical pulses, by 
exploiting an obscure flaw in the detector electrical circuit. First 
experimental results are reported. This loophole may make possible an 
attack against quantum cryptosystems that use these detectors. 

Comments: 2 pages, 3 figures. Accepted for poster presentation 
at the SECOQC international conference in Vienna, October 8-10, 2008

_________

Quantum Hacking


http://www.iet.ntnu.no/groups/optics/qcr/





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