STSAFE-A120 Datasheet | STMicroelectronics

Prerelease product(s) Secure authentication panion device for consumables, accessories, and connected objects SO8N 4 × 5 mm UFDFPN8 2 × 3 mm Product status STSAFE-A120 Features - 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 crytpography (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 - Supported functionalities: - Digital signature generation and verification (ECDSA and Ed DSA) - Diffie-Hellman shared secret establishment...