Maxim Integrated DS28E30 1-Wire® ECDSA Secure Authenticator

Maxim Integrated DS28E30 1-Wire® ECDSA Secure Authenticator

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Maxim Integrated 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.

The DS28E30 features a core set of cryptographic tools derived from integrated blocks. These tools include an asymmetric hardware engine, a true random number generator (TRNG), 3Kb of secure EEPROM, a decrement-only counter, and a unique 64-bit ROM identification number (ROM ID). The ECC public/private key capabilities operate from the NIST-defined P-256 curve to provide a FIPS 186-compliant ECDSA signature generation function to support a bidirectional asymmetric key authentication model. The unique ROM ID is used as a fundamental input parameter for cryptographic operations and serves as an electronic serial number within the application. In addition, the authenticity of the chip can be verified with a Maxim-provided public key certificate.

The DS28E30 communicates over the single-contact 1-Wire bus at overdrive speed. The communication follows the 1-Wire protocol with the ROM ID acting as a node address in the case of a multidevice 1-Wire network.

The Maxim Integrated DS28E30 1-Wire ECDSA Secure Authenticator is offered in a tiny 1.2mm x 1.4mm Wafer-Level Package (WLP) ideal for space-constrained applications.

Features

  • Robust countermeasures protect against security attacks
    • All stored data is cryptographically protected from discovery
  • ECC P-256 secure compute engine
    • Preprogrammed and write-protected ECC P-256 key pair
    • FIPS 186-4 compliant ECDSA for strong challenge and response authentication
    • ECDSA authenticated R/W of configurable memory
  • SP800-90B TRNG used for secure ECDSA nonces
  • Supplemental features enable easy integration into end applications
  • 17-bit, one-time settable, nonvolatile decrement- only counter with authenticated read
  • 3Kb of secure EEPROM for user data, keys, certificate, and secure counter
  • Unique and unalterable factory-programmed, 64-bit identification number (ROM ID)
  • Authenticity verification with ECDSA Using preprogrammed maxim certificate
  • Advanced 1-wire protocol minimizes interface to single contact
  • Full-time overdrive communication speed
  • 1.62V to 5.0V input voltage range
  • 5µA typical input load current
  • High ESD immunity of 1-wire pin: ±8kV Human Body Model (HBM)
  • 40°C to +85°C operating temperature range
  • 1.2mm x 1.4mm WLP-4 package

Typical Application

more information: https://www.maximintegrated.com/en/products/embedded-security/secure-authenticators/DS28E30.html

About mixos

Mike is the founder and editor of Electronics-Lab.com, an electronics engineering community/news and project sharing platform. He studied Electronics and Physics and enjoys everything that has moving electrons and fun. His interests lying on solar cells, microcontrollers and switchmode power supplies. Feel free to reach him for feedback, random tips or just to say hello :-)

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