Maxim Integrated DS28E38 DeepCover® Secure ECDSA Authenticator

Maxim Integrated DS28E38 DeepCover® Secure ECDSA Authenticator

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Maxim Integrated DS28E38 DeepCover® Secure ECDSA Authenticator 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. The DS28E38 uses 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.

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 (3x3mm)

Typical Application

more information: https://www.maximintegrated.com/en/products/embedded-security/secure-authenticators/DS28E38.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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