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Hebatallah M Ibrahim1, Heba Abunahla2, Baker Mohammad2

  • 1Center for Cyber Security, New York University Abu Dhabi, Abu Dhabi, UAE. hi474@nyu.edu.

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Summary
This summary is machine-generated.

This study introduces a novel memristor-based physical unclonable function (PUF) for generating true random numbers. The developed memristor PUF (MR-PUF) successfully passed NIST randomness tests, enhancing security in cryptographic applications.

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Area of Science:

  • * Materials Science and Engineering
  • * Cybersecurity and Cryptography

Background:

  • * Physical unclonable functions (PUF) are crucial for generating intrinsic randomness in secure applications.
  • * Traditional transistor-based PUFs face limitations, driving research into emerging technologies like memristors.
  • * Memristor-based PUFs offer enhanced robustness against hardware reverse engineering attacks.

Purpose of the Study:

  • * To design and verify a lightweight, low-cost memristor PUF (MR-PUF) compatible with advanced CMOS technologies.
  • * To evaluate the randomness and security properties of the proposed MR-PUF.
  • * To explore the integration of the MR-PUF in cryptographic systems and secure communication protocols.

Main Methods:

  • * Design and fabrication of a Cu/HfO[Formula: see text]Si memristor-based PUF (MR-PUF).
  • * Application of 15 NIST cryptographic randomness tests to the MR-PUF.
  • * Validation of security properties including uniformity, uniqueness, and repeatability.
  • * Integration of MR-PUF into block ciphers for true random number generator (TRNG) construction.
  • * Implementation and verification of MR-PUF within an authenticated key exchange protocol for Advanced Metering Infrastructure (AMI).

Main Results:

  • * The Cu/HfO[Formula: see text]Si MR-PUF demonstrated unique, reliable, and irreversible random sequence output.
  • * All 15 NIST cryptographic randomness tests were successfully passed by the MR-PUF.
  • * The MR-PUF integrated into block ciphers formed a TRNG cipher block that passed NIST tests.
  • * The MR-PUF-based authenticated key exchange protocol for AMI met essential security requirements for randomness without post-processing.

Conclusions:

  • * The developed memristor PUF presents a viable, low-cost, and high-endurance solution for generating cryptographic randomness.
  • * The MR-PUF enhances security in applications such as TRNGs, block ciphers, and secure communication protocols within smart grids.
  • * This research validates the effectiveness of memristor technology in advancing secure and lightweight cryptographic primitives.