Post-Quantum Cryptography Support in Automotive MCUs

Infineon has made a significant leap in automotive security by integrating post-quantum cryptography support into their latest automotive microcontrollers (MCUs), the Aurix TC4Dx series. Built on a 28nm process and operating at 500MHz, these processors are designed to meet the stringent ISO/SAE21434 cybersecurity standards, marking them as a pioneering choice in the automotive sector's shift towards enhanced security measures against evolving threats.

Key Features of Aurix TC4Dx

- High-Performance Architecture: The Aurix TC4Dx boasts a six-core architecture, delivering robust computational power while ensuring efficient processing. With lock-step operation, these cores enhance functional safety, aligning with the ISO26262 ASIL-D safety level, making them suitable for critical automotive applications.

- Post-Quantum Cryptography: As quantum computing continues to advance, the need for cryptographic solutions that can withstand quantum attacks becomes essential. Infineon's post-quantum cryptography support ensures that the TC4Dx MCUs are equipped to handle future security challenges, making them resilient against potential threats posed by quantum technology.

- Versatile Connectivity: The TC4Dx processors come with a wide array of interface options, including 5Gbit/s Ethernet, PCIe, 10Base-T1S, and CAN-XL. This versatility enables seamless integration into various vehicle architectures and enhances data communication capabilities, ensuring high-speed connectivity essential for modern automotive functionalities.

- Networking Accelerators: To maximize performance, these MCUs include networking accelerators specifically designed to boost both Ethernet and CAN communication. This feature allows for efficient data processing and transfer, crucial for applications such as advanced driver-assistance systems (ADAS) and autonomous driving technologies.

Conclusion

Infineon's Aurix TC4Dx series represents a pivotal advancement in automotive microcontroller technology, combining high-performance capabilities with advanced security features. By embedding post-quantum cryptography and adhering to stringent safety standards, these processors are set to play a crucial role in the future of secure and safe automotive environments. As the automotive industry continues to evolve, the need for robust, forward-thinking solutions like the TC4Dx will be integral to ensuring the safety and security of connected vehicles.