DS28E38

DeepCover Secure ECDSA Authenticator with ChipDNA PUF Protection

Maxim BD Security.jpg
Maxim BD Security.jpg

  • Patented Physically Unclonable Function Secures Device Data
  • FIPS 186-Compliant ECDSA P256 Signature
  • RNG with NIST SP 800-90B Compliant Entropy Source
  • 2Kbits of EEPROM

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

The DS28E38 is an ECDSA public key-based secure authenticator that incorporates Maxim’s patented ChipDNA™ PUF technology. ChipDNA technology involves a physically unclonable function (PUF) that enables the DS28E38 to deliver cost-effective protection against invasive physical attacks.

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Key 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
  • Efficient Public-Key Authentication Solution to Authenticate Peripherals
    • FIPS 186-Compliant ECDSA P256 Signature for Challenge/Response Authentication
    • Options for ECDSA Public/Private Key Pair Source Include ChipDNA Generated, Chip Computed, and User Installed
    • 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)
  • IoT Node Authentication
  • Peripheral Authentication
  • Accessories Authentication