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Optical out-of-band key distribution

  • US 20040161111A1
  • Filed: 02/19/2003
  • Published: 08/19/2004
  • Est. Priority Date: 02/19/2003
  • Status: Active Grant
First Claim
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1. An out-of-band communication system comprising:

  • an encrypted data path that is configured to convey encrypted data; and

    an optical out-of-band channel that is physically distinct from the encrypted data path, the optical out-of-band channel extends between an optical transmitter and an optical receiver, the optical out-of-band channel is configured to transmit key information from the optical transmitter to the optical receiver.

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