DESCRIPTION

· The DS28E40 is a secure authenticator with integrated asymmetric (ECC-P256) and symmetric (SHA-256) cryptographic functions.

· It includes a FIPS/NIST True Random Number Generator (TRNG), 6 Kb of OTP memory, a configurable GPIO, and a unique 64-bit ROM ID.

· Supports ECDSA signature generation and verification, and SHA-256 HMAC functions.

· Features deep security measures including active die shield and encrypted key storage.

FEATURES

· ECC-P256 Compute Engine with FIPS 186 ECDSA P256 Signature and Verification.

· SHA-256 Compute Engine with FIPS 198 HMAC for bidirectional authentication.

· One GPIO pin with optional authentication control for secure boot.

· TRNG with NIST SP 800-90B compliant entropy source.

· 6Kb OTP memory for user data, keys, and certificates.

· Unique 64-bit ROM ID and single-contact 1-Wire interface.

APPLICATIONS

· Automotive secure authentication and identification.

· IoT node crypto-protection and accessory secure authentication.

· Secure storage of cryptographic keys and secure boot of firmware.