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

Cryptography and authentication security building block

Key features
• Cryptographic co-processor with secure hardware-based key storage
• ECDH: FIPS SP800-56A Elliptical curve Diffie-Hellman (ECDH)
• Support for NIST standard P256 for elliptical curves (ECC)
• Hardware support for symmetric algorithms
• SHA-256 & HMAC hash including off-chip contextual storage/recovery
• AES-128: Encrypt/decrypt, Galoisfeld multiplication for GCM
• Support network key management
• Turnkey PRF/HKDF calculation 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 personal data (PII)
• Secure boot and protected download
• Ecosystem control, anti-cloning