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US 2015/0318985 A1Published application
Method and system for non-persistent real-time encryption key distribution
AssigneeRaytheon Company
InventorsGary M. Graceffo, Andrew M. Kowalevicz, Bradley A. Whittington
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Abstract
An data channel system and method provide a composite signal having an overt, persistent signal channel and a non-persistent channel encoded onto a signal in the persistent channel by timing variation of the persistent channel signal.
Claims21
A system for encoding data in a signal, comprising:
- at least one signal carrier;
- an overt persistent signal channel containing an encrypted signal and carried on the at least one signal carrier;
- a non-persistent channel encoded on to the encrypted signal by timing variation of the encrypted signal, the non-persistent channel containing at least one decryption key.
A method for sending an encrypted signal on a signal carrier, comprising:
- modulating an encrypted signal in an overt persistent channel to create a non-persistent channel including at least one decryption key, using timing variations;
- reading timing variations from the encrypted signal for separating the decryption key;
- and
- decrypting the encrypted signal using the decryption key.
1 more element
A system for encrypting data in a signal, comprising:
- a plurality of signal carriers;
- a separate overt persistent signal channel in each signal carrier, with each channel containing a separate host signal;
- and
- a separate non-persistent channel encoded on to each host signal by timing variations of the respective host signal,
- wherein one separate non-persistent channel contains an encrypted signal and another separate non-persistent channel contains at least one decryption key.
2 more elements
Dependencies are inferred from the claim text.