Electronic processing device, avionics computer, communication infrastructure and associated processing method

Abstract

An electronic processing device designed to be onboard an aircraft and including a first reception module that is configured to receive an encrypted message, a second reception module that is configured to receive an associated decrypted message, the decrypted message being calculated by means of a decryption algorithm applied to the encrypted message by a decryption device, external to the processing device, and wherein it further includes a verification module that is configured to verify the behavior of the decryption device by means of a comparison between the encrypted message and the associated decrypted message according to a set of comparison criteria.

Dependencies are inferred from the claim text.