DISPOSITIF DE SECURISATION D'UNE APPLICATION CLIENT POUR UN SYSTEME D'AFFICHAGE DE SYMBOLOGIE DU TYPE CLIENT-SERVEUR

摘要

The device (42) has a redundancy module (52) and a comparison module (54) for securing the operation of an acquisition and processing module (44) of a client application (40). A digital signature module (72) secures a lookup table (50) of the application. A feedback module (62) and a verification module (64) secure the operation of a command generating module (46). The feedback module generates an instantaneous value of a feedback variable (VR), and the verification module compares the instantaneous value of the feedback variable with an instantaneous value of a dynamic variable (VD). Independent claims are also included for the following: (1) a client-server type symbology display system (2) a method for securely generating commands in a symbology display system (3) an information recording medium storing instructions for securely generating commands in a symbology display system.