A system and method for providing security to a network may include monitoring, by a
processor, traffic on a first and second network portions of an in-vehicle communication …

A method for authenticating messages is provided. The method includes calculating a hash
value based on a key and a message count value and receiving a data message associated …

An anti-fraud method for use in an in-vehicle network system including a plurality of
electronic control units that exchange data frames, each having added thereto a message …

An on-vehicle communication system, performing message authentication using transmitter
and receiver codes that are message authentication codes respectively generated by a …

Provided is a key management method to secure security in an onboard network system
having multiple electronic con trol units storing a shared key. In the key management …

An unauthorized activity detection method is provided in an onboard network system having
multiple electronic units (ECU) that perform communication via a bus, such that an …

Embodiments of a device and method are disclosed. A controller area network (CAN) device
includes a compare module configured to interface with a CAN transceiver, the compare …

(57) ABSTRACT A method of securing electronic control units (ECUs) using message
authentication codes includes receiving a message authentication code (MAC) at an ECU; …

A secure hardware-based module or Security Electronic Control Unit (SECU) for a Controller
Area Network (CAN) prevents an attacker from sending malicious messages through the …

(57) ABSTRACT A method for use in an in-vehicle network system is pro vided. The in-
vehicle network system includes a plurality of electronic control units that communicate a …