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- W3006022554 abstract "The proliferation of networked mobile devices and smart gadgets in the IoT landscape has accelerated the demand for lightweight, low power and operationally compatible cryptographic solutions. As a result, emergent hardware-intrinsic security architecture must demonstrate manufacturability, power efficiency and platform compatibility, in addition to robust security performance. Here we present a novel design of physical unclonable function, called VRPUF, and prototype it using unformed 4K-ReRAM passive crossbar circuits fabricated with a CMOS-compatible process, suitable for the back-end-of-line (BEOL) integration. The architecture utilizes intrinsic process variations in crossbar circuits, manifested as variations in device I-V nonlinearities and the leakage currents, and allows for extremely large (~10 <sup xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>25</sup> ) number of challenge-response pairs (CRPs). The VRPUF design does not require forming/programming crosspoint devices, which simplifies peripheral circuits, leading to ~ 4× better density compared to the architectures which rely on switching the states of ReRAM devices. Moreover, uniform I-Vs of the virgin-state devices, coupled with lower conductance and stronger static nonlinearity, allow for ~100× improvement in power consumption and more robust security metrics. The intrinsic reliability of VRPUF primitives is also ~4× better compared to CMOS architectures, which can be further improved via selective de-enrolling of worst-case CRPs prior to deployment." @default.
- W3006022554 created "2020-02-24" @default.
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- W3006022554 date "2019-12-01" @default.
- W3006022554 modified "2023-09-25" @default.
- W3006022554 title "Ultra-Low Power Physical Unclonable Function with Nonlinear Fixed-Resistance Crossbar Circuits" @default.
- W3006022554 cites W2793600158 @default.
- W3006022554 doi "https://doi.org/10.1109/iedm19573.2019.8993618" @default.
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