DSP, Micros & Memory


An entire chain of trust for system platforms

27 July 2022 DSP, Micros & Memory

As the market need for security evolves, platforms must also evolve quickly to defend against cyberattacks during start-up, real-time and system updates. With these new market threats, designers cannot assume the equipment they are using is trustworthy and they must start looking to new technology to secure their systems. Microchip Technology has announced its fully configurable microcontroller-based CEC1736 Trust Shield family that solves this challenge by going beyond NIST 800-193 platform firmware resiliency guidelines with runtime firmware protection that anchors the secure boot process while establishing an entire chain of trust for the system platform.

Microchip’s CEC1736 Trust Shield family spans silicon, software, tools, a development board and provisioning capabilities that drive the end-to-end platform firmware protection that customers need.

The CEC1736 solution extends Microchip’s offering for ensuring the cyber resiliency of end equipment. It is a fully configurable real-time platform root of trust that enables runtime firmware protection in the SPI flash and I2C/SMBus filtering against runtime attacks. The attestation feature provides trustworthy evidence to ensure that critical devices in the platform are authentic. Lifecycle management and ownership transfer features protect secrets throughout the product lifecycle and during the transfer of product ownership, allowing different operators to use the system platform securely without compromising information.

The CEC1736 Trust Shield family’s advanced hardware crypto cipher suite is equipped with AES-256, SHA-512, RSA-4096, ECC with key size up to 571 bits and Elliptic Curve Digital Signature Algorithm (ECDSA) with a 384-bit key length. The 384-bit hardware Physically Unclonable Function (PUF) enables a unique root key, symmetric secret, private key generation and protection. The advanced root of trust and security solution, which meets the NIST 800-193 and OCP security guidelines, allows for a quick adoption of the latest security advances and standards.


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