Why are 4, 56 and 66 terrible private keys? A UINT8 overflow hypothesis
hargup13 · x · 2026-10-22
mitsuhiko posed a puzzle: what do 4, 56, 66, 115, 155, 156, 230 and 237 have in common as terrible private keys? Responding, hargup13 offers a hypothesis: the system was somehow operating on UINT8, causing overflow/truncation and anomalously weak keys.
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