STMicroelectronics STSAFE-A110

The STSAFE-A110 is a highly secure solution that acts as a secure element providing authentication and secure data management services to a local or remote host. It consists of a full turnkey solution with a secure operating system running on the latest generation of secure microcontrollers. The STSAFE-A110 can be integrated in IoT (Internet of things) devices, smart-home, smart-city and industrial applications, consumer electronics devices, consumables and accessories.

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
• Protocol
  • I²C-bus slave interface
    • Up to 400 kbps transmission speed (Fast mode) and true open-drain pads
    • 7-bit addressing
• Packages
  • ECOPACK-compliant SO8N 8-lead plastic small outline and UFDFPN 8-lead ultra thin profile fine pitch dual flat packages

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