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ATECC508A
ATECC508A Summary Data Sheet
Features
• Cryptographic Co-processor with Secure Hardware-Based Key Storage • Performs High-Speed Public Key (PKI) Algorithms
– ECDSA: FIPS186-3 Elliptic Curve Digital Signature Algorithm – ECDH: FIPS SP800-56A Elliptic Curve Diffie-Hellman Algorithm • NIST Standard P256 Elliptic Curve Support • SHA-256 Hash Algorithm with HMAC Option • Host and Client Operations • 256-bit Key Length • Storage for up to 16 Keys • Two High-Endurance Monotonic Counters • Guaranteed Unique 72-bit Serial Number • Internal High-Quality FIPS Random Number Generator (RNG) • 10 Kb EEPROM Memory for Keys, Certificates, and Data • Multiple Options for Consumption Logging and One-Time Write Information • Intrusion Latch for External Tamper Switch or Power-on Chip Enablement.