Optical out-of-band key distribution

Details Optical out-of-band key distribution Optical out-of-band key distribution

2003-02-19

2008-10-14

Zand, Kambiz (Department: 2134)

Cryptography

Key management

Key distribution

C380S277000, C705S071000, C713S171000, C726S002000

Reexamination Certificate

active

07436965

ABSTRACT:
One aspect of the disclosure relates to an out-of-band communication system and associated process. The out-of-band communication system includes an encrypted data path that is configured to convey encrypted data. The out-of-band communication system includes an optical out-of-band channel that is physically distinct from the encrypted data path. The encrypted data path 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.

REFERENCES:
patent: 5933812 (1999-08-01), Meyer et al.
patent: 5995624 (1999-11-01), Fielder et al.
patent: 6069957 (2000-05-01), Richards
patent: 6271815 (2001-08-01), Yang et al.
patent: 2002/0110245 (2002-08-01), Gruia
patent: 2004/0120528 (2004-06-01), Elliott et al.
patent: 2004/0208526 (2004-10-01), Mibu

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