STMicroelectronics STSAFE-A Optimized Authentication ICs

STMicroelectronics STSAFE-A Optimized Authentication ICs leverage advanced cryptographic algorithms and key management techniques to protect sensitive data and ensure the authenticity of devices and communications. The ICs protect against cloning, counterfeiting, malware injection, and unauthorized production. The STSAFE-A ICs support secure boot, firmware updates, and data encryption, offering scalable solutions to safeguard against cyber threats. By implementing trusted hardware-based authentication, STMicroelectronics enables users to build secure, tamper-resistant products while meeting industry standards for privacy and data protection. These ICs are a key component in building secure ecosystems, enhancing device integrity, and mitigating the risk of counterfeiting or unauthorized access.

Features

Authentication for:
- STSAFE-A110
  - Consumables and peripherals
  - eCloud Internet of Things (IoT) connected objects
  - USB Type-C^® power delivery chargers
  - Qi over-the-air (OTA) chargers
- STSAFE-A120
  - Consumables and accessories, anti-cloning
  - Connected objects, secure connection, and preattachment to clouds (Azure, AWS, and others)
  - Qi 1.3 and Qi 2.0 wireless chargers
  - Matter devices
  - OCP M-CRPS digital power supplies
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
Secure storage in host nonvolatile memory based on wrapping and unwrapping of local host envelopes
Symmetric data encryption or decryption
On-chip key pair generation
I²C bus slave interface communication protocol
- Up to 400kbps transmission speed (Fast mode)
- 7-bit addressing

Hardware
- 6K-bytes (STSAFE-A110) or 16K-bytes (STSAFE-A120) of configurable nonvolatile memory, 500,000 erase/write cycles endurance at +25°C
- -40°C to +105°C operating temperature range
- Voltage ranges
  - 1.62V to 5.5V continuous supply voltage for STSAFE-A110
  - 2.7V to 5.5V continuous supply voltages for STSAFE-A120
Cryptography and security
- Advanced symmetric/asymmetric cryptography
- Highly secure MCUs
  - Unique serial number on each die
  - Active shield
  - Monitoring of environmental parameters
  - Protection mechanism against faults
  - Protection against side-channel attacks
Package options
- ECOPACK-compliant SO8N 8-lead plastic small outline package, 4mm x 5mm
- UFDFPN 8-lead ultrathin profile fine pitch dual flat package, 2mm x 3mm

Applications

Internet of Things (IoT) devices
Smart-homes and cities
Industrial

Consumer electronics devices
Consumables and accessories

Datasheets

STSAFE-A110 - Authentication, state-of-the-art security for peripherals and IoT devices
STSAFE-A120 - Secure authentication companion device for consumables, accessories, and connected objects