1
William E Boebert, Mark H Hanson, Thomas R Markham: Secure computer network using trusted path subsystem which encrypts/decrypts and communicates with user through local workstation user I/O devices without utilizing workstation processor. Secure Computing Corporation, Schwegman Lundberg Woessner & Kluth P A, January 21, 1997: US05596718 (124 worldwide citation)

A method and apparatus for ensuring secure communication over an unsecured communications medium between a user working on an unsecured workstation or computer and a host computer. A secure user interface is created by inserting a trusted path subsystem between input/output devices to the workstatio ...


2
William E Boebert, Mark H Hanson, Thomas R Markham: Trusted path subsystem for workstations. Secure Computing Corporation, Schwegman Lundberg Woessner and Kluth P A, October 13, 1998: US05822435 (71 worldwide citation)

A method and apparatus for ensuring secure communication over an unsecured communications medium between a user working on an unsecured workstation or computer and a host computer. A secure user interface is created by inserting a trusted path subsystem between input/output devices to the workstatio ...


3
Mark H Hanson: Opacity baffle to prevent viewing of internal structures in secure electronic equipment. Blank Rome, August 4, 2015: US09101049

An opacity baffle is disclosed that can be permanently secured to the back face of an electronic apparatus to cover ventilation openings or other openings that render the apparatus visually unsecure. The opacity baffle in one example comprises a grill and ventilation material that are secured togeth ...



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