Browse Standards J1939-91C
WIP 2022-11-22

CAN FD Network Security J1939-91C

J1939-91C describes Secure On-board Communications with optional Encryption (SecOC/E) for an internal CAN FD network and the processes and infrastructure required to make it secure. Authorized ECUs authenticate themselves within the vehicle by means of digital certificates in a public key infrastructure and subsequently obtain a shared secret used to secure relevant J1939 messages. These processes and techniques can be used to extend the security to multiple segments and non J1939 networks as required.
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This Standard is currently a WIP.