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Aug 10, 2021
| } else if secret_x + &data.w1[i] > range_scaled_third | ||
| && secret_x + &data.w1[i] < range_scaled_two_thirds | ||
| } else if secret_x + &data.w1[i] >= range_scaled_third | ||
| && secret_x + &data.w1[i] <= range_scaled_two_thirds |
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See Lindell 17 paper, appendix A, step 4b:
survived
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Aug 10, 2021
| || (*w1 >= BigInt::zero() | ||
| && *w1 <= range_scaled_third | ||
| && *w2 >= range_scaled_third | ||
| && *w2 <= range_scaled_two_thirds); |
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See Lindell 17 paper, appendix A, "V's output", step 1:
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While investigating #25, I found that some bounds check is inclusive in the paper, and exclusive in implementation. I fixed this, and test from #25 has never failed again.
Fixes #25