August 2006
Intermediate to advanced
256 pages
5h 2m
English
Content preview from Dictionary of Information Security
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Q
quantum encryption system has been developed using
polarized photons to communicate over fibre optic
cable.This may be used for negotiation of a session
key since an adversary listening in on the line can
obtain only half of the required information.This
should not be confused with the conjectural use of
computer circuits that may be able to calculate all
possible solutions to a problem simultaneously to
find the correct one, thus being hypothetically able
to perform brute force attacks of arbitrary size.
415_Sec_Dict_Glossary.qxd 6/13/06 12:18 PM Page 150
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