Noise Reduction on Memory-Based PUFs

Provided by: Delft University of Technology
Topic: Storage
Format: PDF
The efficiency and cost of silicon PUF-based applications, and in particular key generators, are heavily impacted by the level of reproducibility of the bare PUF responses under varying operational circumstances. Error-correcting codes can be used to achieve near-perfect reliability, but come at a high implementation cost especially when the underlying PUF is very noisy. When designing a PUF-based key generator, a more reliable PUF will result in a less complex ECC decoder and a smaller PUF footprint, hence an overall more efficient implementation.

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