ATECC608B
ATECC608B is Cryptographic Co-Processor manufactured by Microchip Technology.
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 (ECC secp256r1) 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 munication 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
- Unique 72-Bit Serial Number
- Two Interface Options Available:
- High-Speed Single Wire Interface with One GPIO Pin
- 1 MHz Standard I2C Interface
- 1.8V to 5.5V IO Levels, 2.0V to 5.5V Supply Voltage
- Two Temperature Ranges Available:
- Standard Industrial Temperature Range: -40℃ to +85℃
- Extended Industrial Temperature Range: -40℃ to +100℃
- <150 n A Sleep Current
- Packaging Options
- 8-pad UDFN, 8-lead SOIC and 3-Lead Contact Package Options
- Die-on-Tape and Reel and WLCSP for Qualified Customers (Contact Microchip Sales)
Applications
- Io T network endpoint key management & exchange
- Encryption for small messages and PII data
- Secure Boot and Protected Download
- Ecosystem Control, Anti-cloning
© 2020-20021 Microchip Technology
Inc. and its subsidiaries
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