DS28E39
Info : RECOMMENDED FOR NEW DESIGNS
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DS28E39

DeepCover Secure ECDSA Bidirectional Authenticator with ChipDNA PUF Protection

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Protect Your Design Using Crypto-Strong Authentication Secured with a Physically Unclonable Function

Info : RECOMMENDED FOR NEW DESIGNS tooltip
Info : RECOMMENDED FOR NEW DESIGNS tooltip
Part Details
Part Models 2
1ku List Price Starting From $1.41
Features
  • Robust Countermeasures Protect Against Security Attacks
    • Patented Physically Unclonable Function Secures Device Data
    • Actively Monitored Die Shield Detects and Reacts to Intrusion Attempts
    • All Stored Data Cryptographically Protected from Discovery
  • ECDSA Authenticated R/W of Stored Data and Counter
  • Efficient Public-Key Authentication Solution to Authenticate Peripherals
    • FIPS 186-Compliant ECDSA P256 Signature for Challenge/Response Authentication
    • ChipDNA Generated Public/Private Key Pair.
    • TRNG with NIST SP 800-90B Compliant Entropy Source
  • Supplemental Features Enable Easy Integration into End Applications
    • 17-Bit One-Time Settable, Nonvolatile Decrement-Only Counter with Authenticated Read
    • 2Kbits of EEPROM for User Data, Key, Control Registers, and Certificate
    • Unique and Unalterable Factory Programmed 64-Bit Identification Number (ROM ID)
    • Single-Contact, 1-Wire Interface Communication with Host at 11.7kbps and 62.5kbps
    • Operating Range: 3.3V ±10%, -40°C to +85°C
    • 6-Pin TDFN-EP Package (3mm x 3mm)
Additional Details
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The DS28E39 is an ECDSA public-key-based bidirectional secure authenticator that incorporates Maxim’s patented ChipDNA™ feature, a physically unclonable function (PUF) to provide a cost-effective solution with the ultimate protection against security attacks. Using the random variation of semiconductor device characteristics that naturally occur during wafer fabrication, the ChipDNA circuit generates a unique output value that is repeatable over time, temperature, and operating voltage. Attempts to probe or observe ChipDNA operation modifies the underlying circuit characteristics, preventing discovery of the unique value used by the chip cryptographic functions. The DS28E39 utilizes the ChipDNA output as key content to cryptographically secure all device stored data and optionally, under user control, as the private key for the ECDSA signing operation. With ChipDNA capability, the device provides a core set of cryptographic tools derived from integrated blocks including an asymmetric (ECC-P256) hardware engine, a FIPS/NIST-compliant true random number generator (TRNG), 2Kb of secured 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. 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 DS28E39 communicates over the single-contact 1-Wire® bus at both standard and overdrive speeds. 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

  • Authentication of Medical Sensors and Tools
  • IoT Node Authentication
  • Peripheral Authentication
  • Printer Cartridge Identification and Authentication
  • Reference Design License Management
  • Secure Management of Limited Use Consumables
Part Models 2
1ku List Price Starting From $1.41

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Documentation

Documentation

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Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
DS28E39Q+T
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Product Lifecycle

PCN

Feb 8, 2022

- 2242

DESIGN

DS28E39Q+T

PRODUCTION

DS28E39Q+U

PRODUCTION

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Part Models

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PCN

Feb 8, 2022

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DESIGN

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PRODUCTION

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Evaluation Kit

Evaluation Kits 1

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DS28E39EVKIT

Evaluation System for the DS28E39 and DS2476

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DS28E39EVKIT

Evaluation System for the DS28E39 and DS2476

Evaluation System for the DS28E39 and DS2476

Features and Benefits

  • Demonstrates the Features of the DS28E39 DeepCover® Secure ChipDNA 1-Wire Authenticator
  • Demonstrates the Features of the DS2476 DeepCover Secure Coprocessor
  • 1-Wire/I2C Communication Is Logged to Aid Firmware Designers Understanding of DS28E39 and DS2476
  • 1-Wire/I2C USB Adapter Creates a Virtual COM Port on Any PC
  • Fully Compliant with USB Specification v2.0
  • Software Runs on Windows 10, Windows 8, and Windows 7 for Both 64-Bit and 32-Bit Versions
  • 3.3V ±3% 1-Wire Operating Voltage
  • Convenient On-Board Test Points, TDFN Socket
  • Evaluation Software Available by Request

Product Detail

The DS28E39 evaluation system (EV system) provides the hardware and software necessary to exercise the features of the DS28E39. The EV system consists of five DS28E39/DS2476 devices in a 6-pin TDFN package, a DS9121AQ+ evaluation TDFN socket board, and a DS9481P-300# USB-to-I2C/1-Wire® adapter. The evaluation software runs under Windows®10, Windows 8, and Windows 7 operating systems, both 64-bit and 32-bit versions. It provides a handy user interface to exercise the features of the DS28E39 and DS2476.

Applications

  • Accessory and Peripheral Secure Authentication Controller
  • IoT Node Crypto-Protection
  • Parameters
  • Secure Boot or Download of Firmware and/or System
  • Secure Storage of Cryptographic Keys for a Host

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