The Boeing Company

Kevin Dale Singer

James Joseph Bonang

Marco Anthony Corrado

Michael Cohen Hogan

Systems and methods using Information-invariant Data Transformation (IIDT) in the transfer of files from an un-trusted to a trusted computer system are disclosed. The IIDT alters the data representation of information, without altering the meaning of the information to a degree that is perceptible to a human consumer of that information. The data transformation operations eliminate embedded malware thereby providing secure transfer of files between the un-trusted and trusted computer systems.

System and method for transferring files between computer systems using information invariant data transformation

A computer network is disclosed that includes a first domain and a second domain. The second domain has a higher security classification than the first domain. The computer network also comprises a Temporal Separation Cross Domain Gateway (TSEP-CDG) having a temporal separation hardware interlock. The interlock is configured to physically prevent communication between the first and second domains. It connects with the first domain in a first state to allow the TSEP-CDG to receive data from the first domain. The TSEP-CDG executes an information-invariant data transformation (IIDT) on the received data before it is available to the second domain. The IIDT alters the representation of the data while conveying the same information, disrupting anti-malware present in the received data. The temporal separation hardware interlock is configured for connection with the second domain in a second state to allow the TSEP-CDG to transmit the transformed data to the second domain.

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Fountain Valley, CA, United States of America

Kevin Dale Singer