Quality metric evaluation of a physical unclonable function derived from an IC's power distribution system

Helinski, Ryan; Acharyya, Dhruva; Plusquellic, Jim

doi:10.1145/1837274.1837336

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Cited by 7 publications

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“…Interconnect variations in power-distribution networks was used for building a PUF by measuring the resistive differences of the wires [7,8]. This was accomplished by passive resistive circuit components to measure voltage drop.…”

Section: Introductionmentioning

confidence: 99%

ClockPUF: Physical Unclonable Functions Based on Clock Networks

Yao

Kim

et al. 2013

Design, Automation &Amp; Test in Europe Conference &Amp; Exhibition (DATE), 2013

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Physical Unclonable Functions (PUFs) extract unique chip signatures from process variations. They are used in identification, authentication, integrity verification, and anticounterfeiting tasks. We introduce new PUF techniques that extract bits from pairwise skews between sinks of a clock network. These techniques inherit the stability of clock network, but require a return network to deliver clock pulses to a certain region, where they are compared. Our algorithms select equidistant sinks and route the return network, then derive chip-specific random bits from available data with a moderate overhead. SPICE-based evaluation of clock-PUFs using a 45nm CMOS technology validates the operability, stability, uniqueness, randomness, and their low overhead.

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Section: Introductionmentioning

confidence: 99%