Quantum cryptographic key distribution networks with untrusted switches
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United States of America Patent
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Jan 29, 2008
Grant Date -
N/A
app pub date -
Aug 31, 2001
filing date -
Oct 23, 2000
priority date (Note) -
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Abstract
Methods and systems are disclosed in which information is securely transmitted in a network comprising untrusted network devices. Setup messages are sent to a networking device, and based on the setup messages, light directing devices are configured to direct light along a path from an origin endpoint to a terminal endpoint, thus providing a path through the network. Through the path, a stream of light information is sent using a plurality of light pulses to carry out quantum-cryptographic key distribution.
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