• 802.1x-2010
• aes
• cmac
• key hirerarchy
• MACsec
• security

Nowadays automotive environment is more and more characterized by several IT applications: from infotainment systems to C2C or C2X solutions, as LTE or Wi-Fi connections. This, together with engine and other components controls systems, reflects on many different internal and external networks, which can be found inside a car.
Carmakers are going in the direction of replacing much of these networks by Ethernet networks.
This work is placed in the context of the deployment of a security module for the automotive requirements compatible with the Ethernet standard.
After a deep analysis of the main degrees of freedom in the project workspace, a hardware component has been implemented, which acts as accelerator for encryption keys generation, compliant with the MKA Key Hierarchy protocol in the 802.1X-2010 standard.
A testing phase has followed to validate the implemented MKA KH core by an algorithmic point of view: for this purpose a Java software has been realized, which generates the required encryption keys.
The realized system has been synthesized both on a FPGA Stratix V of Altera and on a 65ηm standard-cell ASIC technology: the system shows an occupation of 9938 registers and 11477 ALMs on the FPGA and 102,38kgates on the standard-cell technology.