Now available from PMD Way is the Microchip ATECC608A Crypto Authentication Breakout Board. The ATECC608A uses a wide operating voltage and can run from 3.3V or 5V DC, and the breakout board includes smoothing capacitors and I2C bus pull-up resistors. We don't have any more information apart from what is provided below. ATECC608A Features: Cryptographic Co-Processor with Secure Hardware-based Key Storage: – Protected Storage for up to 16 Keys, Certificates or Data Hardware Support for Asymmetric Sign, Verify, Key Agreement: – ECDSA: FIPS186-3 Elliptic Curve Digital Signature – ECDH: FIPS SP800-56A Elliptic Curve Diffie-Hellman – NIST Standard P256 Elliptic Curve Support Hardware Support for Symmetric Algorithms: – SHA-256 & HMAC Hash including off-chip context save/restore – AES-128: Encrypt/Decrypt, Galois Field Multiply for GCM Networking Key Management Support: – Turnkey PRF/HKDF calculation for TLS 1.2 & 1.3 – Ephemeral key generation and key agreement in SRAM – Small message encryption with keys entirely protected Secure Boot Support: – Full ECDSA code signature validation, optional stored digest/signature – Optional communication key disablement prior to secure boot – Encryption/Authentication for messages to prevent on-board attacks Internal High-Quality NIST SP 800-90A/B/C Random Number Generator (RNG) Two High-Endurance Monotonic Counters Guaranteed Unique 72-bit Serial Number Two Interface Options Available: – High-speed Single Pin Interface with One GPIO Pin – 1 MHz Standard I2C Interface 1.8V to 5.5V IO Levels, 2.0V to 5.5V Supply Voltage
