ATECC608B-SSHCZ Cryptography co-processor, AES-128, SHA-256, 2 - 5.5 V, SO-8

Cryptographic and authentication security module

Key Features

- cryptographic co-processor with secure hardware based key storage bulletpoint# ECDH: FIPS SP800-56A Elliptic Curve Diffie-Hellman (ECDH) - Support for NIST standard P256 for elliptic curves (ECC) - Hardware support for symmetric algorithms bulletpoint# SHA-256 & HMAC hash including off-chip context storage/recovery - AES-128: encrypt/decrypt, Galois field multiplication for GCM - network key management support - turnkey PRF/HKDF computation for TLS 1.2 & 1.3 - ephemeral key generation and key agreement in SRAM - encryption of small messages with fully protected keys - support for Secure Boot

Technical Features

2 - 5.5 V supply voltage 1.8 - 5.5 V level for inputs and outputs <150 nA in sleep mode

Application examples - Key management and exchange for IoT network endpoints - encryption for personally identifiable information (PII) - secure boot and protected download - ecosystem control, anti-cloning