Kirjeldus
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
1 MHz Standard I2C Interface
1.8V to 5.5V IO Levels, 2.0V to 5.5V Supply Voltage
<150 nA Sleep Current
8-lead SOIC Packages
Arvustused
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