[pchelpers] News: Scientists Borrow From Einstein With Emerging Encryption Technology
- From: John Durham <john.modec@xxxxxxxxxx>
- To: PC-Helpers <pchelpers@xxxxxxxxxxxxx>
- Date: Tue, 06 Jun 2006 10:19:22 +1200
Quantum encryption makes it impossible for packet sniffers to capture
data.
Jun 5, 2006 - By Paul McDougall
With data theft at almost pandemic levels, you'd think there'd be a
better way for businesses to securely transmit information, like
customers' Social Security numbers.
Turns out there is--or, at least, there will be. IBM is developing
encryption technology that uses principles of quantum physics to foil
packet sniffers, hackers who intercept information as it travels across
computer networks. IBM's approach is to make the data elements that move
through fiber optic lines as small as physically possible by reducing
them to a single photon.
Once in that quantum state, the data becomes subject to the "spooky
action" that occurs among quantum particles at a distance from one
another, as Albert Einstein originally described it. IBM's technology
relies on a feedback loop between the photons, since the state of one
photon influences that of others, even when they're separated by great
distances. Therefore, if a packet sniffer diverts even a single photon
onto his own system, the whole message chain shuts down automatically,
killing the transmission. "It makes it literally impossible for the
eavesdropper to capture any meaningful data," IBM researcher Dr. David
DiVincenzo says.
More here:
http://www.networkcomputing.com/showArticle.jhtml?articleID=188701703
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