Toshiba Plug Loophole in Security of Quantum Cryptography

Toshiba Research announced today that it has developed two new technologies to realize 'unconditionally secure' quantum key distribution (QKD). To achieve this, Toshiba has overcome a potential security loophole in current commercial QKD systems. Part of these technologies are exhibited in Nano Tech 2007 in Tokyo.

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<p><a href="http://www.physorg.com/news91216139.html">Toshiba Plug Loophole in Security of Quantum Cryptography</a></p> <p>Toshiba Research announced today that it has developed two new technologies to realize 'unconditionally secure' quantum key distribution (QKD). To achieve this, Toshiba has overcome a potential security loophole in current commercial QKD systems. Part of these technologies are exhibited in Nano Tech 2007 in Tokyo.</p>