Hub device for a network comprising quantum cryptographic connections and node module for said hub device
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United States of America Patent
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May 1, 2012
Grant Date -
Nov 12, 2009
app pub date -
Jun 27, 2007
filing date -
Jul 3, 2006
priority date (Note) -
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Abstract
The invention relates to a node device (21) for a network (20) comprising quantum cryptographic connections (1) provided with quantum channels (4) and public channels (5), comprising quantum optics means (11) for connecting to the respective quantum channels, for generating secrets or keys by means of quantum cryptography, comprising means (13) for managing symmetrical secrets or keys, cryptography means (14) for generating cryptograms, and driver means (15) connected thereto for transmission via a public channel, wherein the means (15) for managing symmetrical secrets or keys and the cryptography and driver means (14; 15) are combined in a common node module (24) as central components (13, 14, 15) for a plurality of quantum channel connections, while the quantum optics means (11) are provided separately in decentral modules (23) for the plurality of quantum channel connections.
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