STSAFE-A120中文資料意法半導(dǎo)體數(shù)據(jù)手冊(cè)PDF規(guī)格書

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 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.