OTS Security Optiga Trust M Breakout Simplifies Improving the Security of Your Raspberry Pi Project

$12 module simply slots onto the GPIO header of a Raspberry Pi or compatible SBC, and follows Infineon's own quick-start guide.

Off-the-Shelf Security is looking to make it easier for developers working on Raspberry Pi single-board computers, including the newly-launched Raspberry Pi Compute Module 4, to secure their projects — with a breakout for Infineon's Optiga Trust M chip.

"This product is a breakout board for Optiga Trust M security chip from Infineon," the company explains of its compact design. "It can be used to secure your IoT device against both remote and physical attackers."

"The Optiga Trust M is a high-end security solution that provides an anchor of trust for connecting IoT devices to the cloud, giving every IoT device its own unique identity," Infineon says of the part. "This pre-personalized turnkey solution offers secured, zero-touch onboarding and the high performance needed for quick cloud access. Optiga Trust M offers a wide range of security features, making it ideal for industrial and building automation applications, smart homes and connected consumer devices."

The Optiga Trust M chip offers CC EAL6+ certified security functionality, including ECC NIST P256/P384, RSA 1024/2048, SHA-256, a true random number generator (TRNG) and digital random number generator (DRNG), up to 10kB of user memory, and a framework which includes software for authentication, IP protection, secure communication, and secure updating.

The OTS Security breakout, meanwhile, makes it easy to integrate the chip into projects built on boards compatible with the Raspberry Pi 40-pin general-purpose input/output (GPIO) header pinout: The module simply slides onto the first few pins of the header and follows Infineon's own quick-start guide published on GitHub.

The breakout board is now available on Tindie for $12 fully-assembled; design files are available under an unspecified license on GitHub.

Gareth Halfacree
Freelance journalist, technical author, hacker, tinkerer, erstwhile sysadmin. For hire: freelance@halfacree.co.uk.
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