2014-06-24
From [1], soft-decision is better than hard-decision, requiring nearly half the repetition bits for error correction with FRR 10^(-7). Generate 128-bit key with 3900 SRAM cells, only a single measurement. If multiple Maes et al only needs 1536.
[1] Vincent van der Leest, Bart Preneel etc, "Soft Decision Error Correction for Compact Memory-based PUFs using Single Enrollment", 2012 CHES
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