2x3mm secure element is optimized for IoT

June 14, 2016 // By Julien Happich
STMicroelectronics' STSAFE-A100 is an easy-to-use secure element aimed at protecting connected devices in the consumer and industrial Internet of Things (IoT).

Certified to the highest security industry standards, the chip can be designed-in by developers without specialist security expertise thanks to comprehensive support ecosystem. Delivered in a 4x5mm SO8N or 2x3mm UFDFPN8 package, the IC will prevent hackers from counterfeiting, cloning, stealing information, or misusing connected equipment. As a secure element that provides authentication services and can be used in conjunction with an ordinary microcontroller, it features an embedded secure operating system and is certified to Common Criteria EAL5+, banking-level security-industry standards. It is compliant with the USB Type-C device-authentication scheme and secures communications with a remote host using Transport Layer Security (TLS) handshaking.

Additional functions that further minimize any potential for security breaches include signature verification to ease secure boot and firmware upgrade, secure counters that allow usage monitoring, secure pairing with the host application processor, wrapping and unwrapping of local or remote host envelopes, and on-chip key-pair generation. The STSAFE-A100 supports asymmetric cryptography including Elliptic Curve Cryptography (ECC) with NIST or Brainpool 256-bit and 384-bit curves, and symmetric cryptography using AES-128/AES-256. The STSAFE-A100 comes with a unique serial number on each die and its operating system comprises a kernel for authentication and data management and provides strong protection against logical, fault, side-channel and physical attacks.

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