ONBOARD ACCESS CONTROL SYSTEM FOR COMMUNICATION FROM THE OPEN DOMAIN TO THE AVIONICS DOMAIN
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Abstract
An onboard access control system to an information system onboard an aircraft, for communication from the open domain to the avionics domain, the open end avionics domains being connected to each other through a single-directional link from the avionics domain to the open domain. The system includes: a security device including: access switches controlling access to the avionics and open domains, a controller, a module for acquisition putting data into buffer memory and transmission to the avionics domain, a data control module, an acquisition module from the open domain and putting into buffer memory, and an operator'"'"'s authentication mechanism.
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Citations
20 Claims
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1-10. -10. (canceled)
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11. An onboard access control system to an information system onboard an aircraft, including an avionics domain satisfying clearly defined certification rules, and an open domain based on general public components accessible to all operators, the avionics and open domains being connected to each other through a single-directional link for security reasons, from the avionics domain to the open domain, the system comprising:
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an operator authentication means; a security device comprising; a set of two access switches controlling access to each of the avionics and open domains, operating as an electronic lock, a controller that controls opening of the two switches for durations that depend on profile of an operator, a module for acquisition, putting data originating from the open domain into a buffer memory and transmission to the avionics domain, an acquisition module acquiring data from the open domain and putting it into buffer memory, a data control module that defines filter criteria applicable to all exchanges between buffer memories, to enable secure communication from the open domain to the avionics domain and thus allow two-directional communications between the open and avionics domains. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification