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ECC
Polar codes: A Robust SRAM-PUF Key Generation Scheme Based on Polar Codes
based on Hashing and BCH: Lightweight (Reverse) Fuzzy Extractor with Multiple Referenced PUF Responses
Repetition code: A Microcontroller SRAM-PUF
HC (Hamming Code) / Golay2412 (corrects up to 3 errors for each 12 bits) / Repetition Code: https://arxiv.org/abs/2301.07048
Pre-selection
Error reduction of SRAM-based physically unclonable function for chip authentication
https://www.sciencedirect.com/science/article/pii/S0167926018304747
one VDD/temperature measure: https://ieeexplore.ieee.org/document/8519616 A Method to Improve Reliability in a 65-nm SRAM PUF Array
Fourier analysis: A Novel Security Key Generation Method for SRAM PUF Based on Fourier Analysis
Both: ECC+preselection
Modified SRAM design (hardening)
hardening +ECC: https://www.sciencedirect.com/science/article/pii/S0026269220304432 → Typical constructions comprise a repetition code (C rep) followed by a Reed-Muller code (RM) to obtain a failure rate Pfail <10−6.
hardening +ECC: A 0.19pJ/b PVT-Variation-Tolerant Hybrid Physically Unclonable Function Circuit for 100% Stable Secure Key Generation in 22nm CMOS
Improving reliability through power-up control
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