The European Data Relay System (EDRS) system is a planned constellation of GEO satellites that will relay information and data between satellites, spacecraft, UAVs, and ground stations.

DSI-AS designs, develops, manufactures and qualifies the ground crpyto unit that is responsible for the authentication and encryption of the TC data and the decryption of the TM data. DSI-AS will as well design and develop the key generation unit responisble for the generation of the flight and ground keys.

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