Features
■ Authentication for: – Consumables and peripherals – eCloud Internet of things (IoT) connected objects – USB Type-C™ power delivery chargers – Qi over-the-air chargers
■ Secure channel establishment with remote host including transport layer security (TLS) handshake
■ Signature verification service (secure boot and firmware upgrade)
■ Usage monitoring with secure counters
■ Pairing and secure channel with host application processor
■ Wrapping and unwrapping of local host envelopes
■ Symmetric data encryption or decryption (up to 16 keys)
■ On-chip key pair generation
■ LPWAN security ready: – Preloading with Sigfox™ or LoRaWAN® credentials – Frame signature and verification – Frame encryption and decryption Security features
■ Latest generation of highly secure MCUs – Unique serial number on each die – CC EAL5+ AVA_VAN5 Common Criteria certified – Active shield – Monitoring of environmental parameters – Protection mechanism against faults – Protection against side-channel attacks
■ Advanced asymmetric cryptography – Elliptic curve cryptography (ECC) with NIST or Brainpool 256-bit and 384-bit curves – Elliptic curve digital signature algorithm (ECDSA) with SHA-256 and SHA-384 for digital signature generation and verification – Elliptic curve Diffie-Hellman (ECDH) for key establishment
■ Advanced symmetric cryptography – Secure operating system with protection against logical and physical attacks
■ Secure operating system – Secure STSAFE-A110 kernel for authentication and data management – Protection against logical and physical attacks Hardware features
■ 6 Kbytes of configurable non-volatile memory – Highly reliable CMOS EEPROM technology – 30 years’ data retention at 25 °C – 500 000 erase / program cycles endurance at 25 °C – 1.62 V to 5.5 V continuous supply voltage
■ Operating temperature: −40 to 105 °C SO8N (4 × 5 mm) UFDFPN8 (2 × 3 mm)