1-Wire Secure SHA-3 Authenticator

The DS28E16 secure authenticator combines FIPS202-compliant Secure Hash Algorithm (SHA-3) challenge and response authentication with secured EEPROM.

The device provides a core set of cryptographic tools derived from integrated blocks including a SHA-3 engine, 256 bits of secured user EEPROM, a decrement-only counter and a unique 64-bit ROM identification number (ROM ID). The unique ROM ID is used as a fundamental input parameter for cryptographic operations and serves as an electronic serial number within the application. The device communicates over the single-contact 1-Wire® bus. The communication follows the 1-Wire protocol with the ROM ID acting as node address in the case of a multidevice 1-Wire network.

Applications

* Accessory and Peripheral Secure Authentication * Battery Authentication and Charge Cycle Tracking * Medical Tools/Accessories Authentication and Calibration

* Robust Countermeasures Protect Against Security Attacks

* All Stored Data Cryptographically Protected from Discovery

* Efficient Secure Hash Algorithm Authenticates Peripherals

* FIPS 202-Compliant SHA-3 Algorithm for Challenge/Response Authentication

* FIPS 198-Compliant Keyed-Hash Message Authentication Code (HMAC)

* Supplemental Features Enable Easy Integration into End Applications

* 17-Bit One-Time Settable, Nonvolatile Decrement-Only Counter with Authenticated Read

* Secure Storage for Secrets

* 256 Bits of Secure EEPROM for User Data

* Unique and Unalterable Factory Programmed 64-Bit Identification Number (ROM ID)

* Advanced 1-Wire Protocol Minimizes Interface to Single Contact

* Full-Time Overdrive Communication Speed

* Internal Parasite Power Capacitor

* Operating Range: 1.71V–3.63V, -40°C to +85&degC

* WLP, TDFN-EP, and SFN Packages

* ±8kV HBM ESD Protection (typ)

* 3.5&microA (typ) Input Load Current