Product overview
Key Benefits
Strong authentication
Device authentication by the Cloud with personalized attestable certificates
Secure connection
Secure device attachment and connection to protect data from manipulation and privacy breach
Personalization
Customer-specific secrets loaded at ST manufacturing to secure and ease device configuration
Description
The STSAFE-A120 is a secure element, providing authentication and secure data management services to a local or remote host. It also provides cryptographic services like hashing, encryption, and decryption. It consists of a full turnkey solution with a secure operating system running on the latest generation of secure microcontrollers.
The STSAFE-A120 can be integrated in consumables, accessories, Internet of Things (IoT) devices, smart-home, smart-city and industrial applications, and consumer electronics devices.
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All features
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- Unique ID
- Authentication for:
- Consumables and accessories anticloning
- Connected objects secure connection and preattachment to clouds (Azure, AWS, and others)
- Wireless chargers Qi 1.3 and Qi 2.0
- Matter devices
- Digital power supplies OCP M-CRPS
- Pairing and secure channel with host application processor
- Configurable secure storage
- Usage monitoring with secure counters
- Secure connection establishment with remote host including transport layer security (TLS 1.2 and TLS 1.3) handshake
- Signature verification service (secure boot and firmware upgrade)
- Secure storage in host nonvolatile memory based on wrapping and unwrapping of local host envelopes
- Data hashing
- Symmetric data encryption or decryption
- On-chip key pair generation
- Cryptography and security features
- Advanced asymmetric cryptography
- 5 Elliptic curve cryptography (ECC), nonvolatile private key slots + 1 ephemeral ECC key slot
- Supported elliptic curves:
- NIST P-256 P-384, P-521
- Brainpool P-256 P-384, P-512
- Edwards 25519
- Curve25519
- Advanced asymmetric cryptography
- Supported functionalities:
- Digital signature generation and verification (ECDSA and EdDSA)
- Diffie-Hellman shared secret establishment (ECDH)
- Advanced symmetric cryptography
- 16 slots of symmetric cryptography with AES-128/256 CCM*, ECB, GCM, CMAC, and HKDF
- Pairing with host-applicative processor
- AES 128-bit or 256-bit
- Local wrap/unwrap envelop key
- 2 slots of keys with AES 128-bit or AES 256-bit
- Data hashing
- SHA-2 with SHA-256, SHA-384, SHA-512
- SHA-3 with SHA3-256, SHA3-384, SHA3-512
- Random number generator
- Random number generator with NIST SP 800-90B compliant entropy source
- Latest generation of highly secure MCUs
- Unique serial number on each die
- CC EAL5+ AVA_VAN.5, and ALC_DVS.2 Common Criteria certified
- Active shield
- Monitoring of environmental parameters
- Protection mechanism against fault injection
- Protection against side-channel attacks
- Hardware characteristics
- 16 Kbytes of configurable nonvolatile memory
- 25 years of data retention at 25°C
- 500 000 erase/write cycle endurance at 25°C
- 2.7 V to 5.5 V continuous supply voltages
- Operating temperature: -40 °C to +105 °C
- Communication protocol
- I2C - bus slave interface
- Up to 400 kbps transmission speed (Fast mode)
- 7-bit addressing
- Packages
- ECOPACK-compliant SO8N 8-lead plastic small outline package and UFDFPN 8-lead ultrathin profile fine pitch dual flat package.
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Recommended for you
EDA Symbols, Footprints and 3D Models
STMicroelectronics - STSAFE-A120
Speed up your design by downloading all the EDA symbols, footprints and 3D models for your application. You have access to a large number of CAD formats to fit with your design toolchain.
Please select one model supplier :
Symbols
Footprints
3D models
Quality and Reliability
| Part Number | Marketing Status | Package | RoHS Compliance Grade | Material Declaration** |
|---|---|---|---|---|
| STSAFA120DFSPL05 | Active Product is in volume production. | UFDFPN 8 2x3x0.6 | N/A | |
| STSAFA120S8SPL05 | Active Product is in volume production. | SO-8 | N/A |
(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.
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Sample & Buy
| Part Number | Marketing Status | Budgetary Price (US$)*/Qty | Order from ST | Order from distributors | Package | Packing Type | RoHS | Country of Origin | ECCN (US) | ECCN (EU) | Operating temperature (°C) | Operating Temperature (°C) (max) | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| min | max | |||||||||||||
| STSAFA120S8SPL05 | | | distributors No availability of distributors reported, please contact our sales office | |||||||||||
| STSAFA120DFSPL05 | | | distributors No availability of distributors reported, please contact our sales office | |||||||||||
STSAFA120S8SPL05 Active
STSAFA120DFSPL05 Active
(*) Suggested Resale Price (USD) per defined quantity for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors