Infineon — OPTIGA TRUST M SLS32AIA Security Module

The OPTIGA Trust M from Infineon is a high-end security solution which provides an anchor of trust for connecting IoT devices to the cloud, giving every IoT device its own unique identity. This individual, turnkey solution offers secure, zero-touch onboarding and the high performance needed for quick cloud access. 

The OPTIGA Trust M chips and supporting software offer a wide range of security features. In particular, there is support for common asymmetric cryptography algorithms including:  

• RSA® up to 2048  

• AES key up to 256, HMAC up to SHA512  

• TLS v1.2 PRF and HKDF up to SHA512 

The turnkey set-up with full system integration minimizes the design, integration and deployment effort required from product manufacturers. The OPTIGA Trust M development process is certified according to the security standard IEC 62443-4-1 for industrial automation and control systems, acting as an enabler to achieve component-level certification according to IEC 62443-4-2. 

The OPTIGA Trust M is specified in two operating-temperature ranges: 

• SLS32AIA010MK at a standard temperature range of -25°C to 85°C for most commercial implementations 

• SLS32AIA010ML at an extended temperature range of -40°C to 105°C for harsh industrial environments 

The OPTIGA Trust M chip is supplied in a USON-10 package that has a footprint of 3 mm x 3 mm.