Spintronics and Security

Prospects, Vulnerabilities, Attack Models, and Preventions

    Research output: Contribution to journalArticle

    14 Citations (Scopus)

    Abstract

    The experimental demonstration of current-driven spin-transfer torque (STT) for switching magnets and push domain walls (DWs) in magnetic nanowires have opened up new avenues for spintronic computations. These devices have shown great promise for logic and memory applications due to superior energy efficiency and nonvolatility. It has been noted that the nonlinear dynamics of DWs in the physical magnetic system is an untapped source of entropy that can be leveraged for hardware security. The inherent noise, spatial, and temporal randomness in the magnetic system can be employed in conjunction with microscopic and macroscopic properties to realize novel hardware security primitives. Due to simplicity of integration, the spintronic circuits can be an add-on to the silicon substrate to complement the existing CMOS-based security and trust infrastructures. This paper investigates the prospects of spintronics in hardware security by exploring the security-specific properties and novel security primitives realized using spintronic building blocks. As spintronic elements enter the mainstream computing platforms, they are exposed to emerging attacks that were infeasible before. This paper covers the security vulnerabilities, security and privacy attack models, and possible countermeasures to enable safe computing environment using spintronics.

    Original languageEnglish (US)
    Pages (from-to)1864-1893
    Number of pages30
    JournalProceedings of the IEEE
    Volume104
    Issue number10
    DOIs
    StatePublished - Oct 1 2016

    Fingerprint

    Magnetoelectronics
    Domain walls
    Nanowires
    Magnets
    Energy efficiency
    Entropy
    Demonstrations
    Torque
    Data storage equipment
    Silicon
    Networks (circuits)
    Substrates
    Hardware security

    All Science Journal Classification (ASJC) codes

    • Electrical and Electronic Engineering

    Cite this

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    abstract = "The experimental demonstration of current-driven spin-transfer torque (STT) for switching magnets and push domain walls (DWs) in magnetic nanowires have opened up new avenues for spintronic computations. These devices have shown great promise for logic and memory applications due to superior energy efficiency and nonvolatility. It has been noted that the nonlinear dynamics of DWs in the physical magnetic system is an untapped source of entropy that can be leveraged for hardware security. The inherent noise, spatial, and temporal randomness in the magnetic system can be employed in conjunction with microscopic and macroscopic properties to realize novel hardware security primitives. Due to simplicity of integration, the spintronic circuits can be an add-on to the silicon substrate to complement the existing CMOS-based security and trust infrastructures. This paper investigates the prospects of spintronics in hardware security by exploring the security-specific properties and novel security primitives realized using spintronic building blocks. As spintronic elements enter the mainstream computing platforms, they are exposed to emerging attacks that were infeasible before. This paper covers the security vulnerabilities, security and privacy attack models, and possible countermeasures to enable safe computing environment using spintronics.",
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    Spintronics and Security : Prospects, Vulnerabilities, Attack Models, and Preventions. / Ghosh, Swaroop.

    In: Proceedings of the IEEE, Vol. 104, No. 10, 01.10.2016, p. 1864-1893.

    Research output: Contribution to journalArticle

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