Patent ID: 9246884
Filing Date: 2016-01-26
CPC Classification: H04L,H04W

Claim Text:
1. A method for position-based cryptographic key management onboard a moving entity, comprising: associating a cryptographic module onboard the moving entity with a positioning system onboard the moving entity, each of the cryptographic module and the positioning system within a physical information security boundary onboard the moving entity, the physical information security boundary a physical perimeter onboard the moving entity within which all information is trusted, the cryptographic module having a cryptographic engine and a list of security rules, the positioning system configured for reception of at least a positioning signal and a timing signal; receiving, via a key fill device onboard the moving entity, and storing a plurality of cryptographic keys via the cryptographic module onboard the moving entity; associating at least one of the plurality of cryptographic keys with a known position to create a first security rule; associating at least one of the plurality of cryptographic keys with a known time window to create a second security rule; receiving a positioning signal and a time signal via the positioning system; determining a trusted position and a trusted time based on the positioning signal; determining: applying at least one of: the first security rule and the second security rule as an appropriate security rule, and the associated at least one of the plurality of cryptographic keys based on the determining; and encrypting and decrypting communication via the cryptographic module onboard the moving entity based on the applied security rule and the at least one associated plurality of cryptographic keys, the communication including an encryption preceding a communication transmission and a decryption following a communication reception.