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Electronics Supply Chain Integrity Enabled by Blockchain.

Xiaolin Xu1, Fahim Rahman2, Bicky Shakya2

  • 1University of Illinois at Chicago, 851 S. Morgan St., Chicago, IL 60607.

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Summary
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Hardware security is crucial for electronic systems. This study analyzes electronics supply chain vulnerabilities and proposes a blockchain framework to manage chip information and mitigate threats like cloning and overproduction.

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Area of Science:

  • Computer Science
  • Electrical Engineering
  • Cybersecurity

Background:

  • Electronic systems are integral to modern life and critical infrastructures.
  • Software security is well-studied, but hardware integrity in the globalized electronics supply chain is often overlooked.
  • Globalization introduces significant vulnerabilities into semiconductor manufacturing and distribution.

Purpose of the Study:

  • To identify and analyze integrity concerns within the global electronics supply chain.
  • To propose a novel framework for enhancing hardware security and trustworthiness.
  • To address specific threats prevalent in the electronics supply chain.

Main Methods:

  • Dividing the electronics supply chain into six key entities: IP owner/foundry, distributor, assembler, integrator, end user, and electronics recycler.
  • Analyzing the specific vulnerabilities and threats at each stage of the supply chain.
  • Developing a blockchain-based certificate authority framework for managing critical chip data.

Main Results:

  • Identified distinct vulnerabilities at each stage of the electronics supply chain.
  • Proposed a decentralized blockchain framework to manage electronic chip identification (ECID), chip grade, and transaction history.
  • Demonstrated the framework's potential to mitigate threats such as hardware recycling, remarking, cloning, and overproduction.

Conclusions:

  • The globalized electronics supply chain faces significant integrity and security challenges.
  • A blockchain-based certificate authority offers a robust solution for securing critical chip information.
  • Decentralization is key to mitigating prevalent threats in the electronics supply chain, ensuring hardware trustworthiness.