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TMVS: Threshold-Based Majority Voting Scheme for Robust SRAM PUFs
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Summary
The paper introduces TMVS, a software-only Threshold-based Majority Voting Scheme that reduces noise and bias in SRAM PUF key generation without cell-level bit-error qualification or SRAM redesign. The authors derive closed-form decoding-error and memory expressions, validate them on experimental data, and show near-zero cross-chip secrecy leakage with average conditional min-entropy above 1 bit. In a representative configuration, TMVS generates a 128-bit key with failure probability 9.15 x 10^-7 and zero secrecy leakage at a 10% bit-flip probability, using about 248k clock cycles on a 32-bit ARM Cortex-M0.