DS28E30 1-Wire® ECDSA Secure Authenticator Analog Devices DS28E30 1-Wire® ECDSA Secure Authenticator is a cryptographic-based authentication solution that provides a root-of-trust to detect and prevent counterfeit products and to enable secure use management of limited life peripherals. The DS28E30 provides a highly secure and easily deployed turnkey authentication solution based on the FIPS-186 ECDSA standard. The DS28E30 combines ECDSA challenge and response authentication with secured EEPROM to store the keys and user data.