(Phys.org) —Quantum communication systems offer the promise of virtually unbreakable encryption. Unlike classical encryption, which is used to send secure data over networks today and whose security depends on the difficulty ...
Quantum Physics
May 28, 2013
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In this month's special edition of Physics World, focusing on quantum physics, Thomas Jennewein and Brendon Higgins from the Institute for Quantum Computing at the University of Waterloo, Canada, describe how a quantum space ...
Quantum Physics
Feb 28, 2013
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Federal regulators are letting cable companies scramble all their TV signals, closing a loophole that lets many households watch basic cable channels for free.
Telecom
Oct 16, 2012
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(Phys.org)—A team of German physicists has successfully demonstrated an ability to perform quantum key distribution (QKD) exchange between an airplane in flight and a ground station, paving the way perhaps to the same kinds ...
Satellite telephony was thought to be secure against eavesdropping. German researchers at the Horst Gortz Institute for IT-Security (HGI) at the Ruhr University Bochum (RUB) have cracked the encryption algorithms of the European ...
Computer Sciences
Feb 8, 2012
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Alice and Bob have broken up and have moved as far away from each other as possible. But they still have something to sort out: who gets to keep the car. Flipping a coin while talking on the phone to decide who gets to keep ...
Quantum Physics
Nov 29, 2011
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Broad new regulations being drafted by the Obama administration would make it easier for law enforcement and national security officials to eavesdrop on Internet and e-mail communications like social networking Web sites ...
Internet
Sep 27, 2010
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(AP) -- Threats by the governments of India, the United Arab Emirates and Saudi Arabia to shut down BlackBerry's corporate e-mail services reflect unease about a technology that the U.S. government also took a while to accept.
Telecom
Aug 16, 2010
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(PhysOrg.com) -- Quantum cryptography, which enables two parties to communicate with each other with unconditional security, has begun to be implemented by some governments, banks, and other corporations with high-security ...
Austrian physicists say a breakthrough in next-generation quantum cryptography could allow encrypted messages to be bounced off satellites, the British journal Nature reported Sunday.
Quantum Physics
May 3, 2009
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