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Device for and method of multilevel chain of trust/revision

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NSA

A device and method of multilevel chain of trust/revision by certifying each user, device, action, and circumstance in the creation, modification, and transmission of computer information, including a revision history of any modification.

Inventors: 
Alexander, Keith B.; Dowd, Patrick W.
Patent Number: 
Technical domain: 
Communications
FIle Date: 
2014-03-19
Grant Date: 
2016-10-11
Grant time: 
937 days
Grant time percentile rank: 
17
Claim count percentile rank: 
4
Citations percentile rank: 
1
'Cited by' percentile rank: 
1
Assignee: 
NATIONAL SECURITY AGENCY