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shallue_van_de_woestijne rewrite #286

Merged
merged 3 commits into from
Jan 25, 2024
Merged

shallue_van_de_woestijne rewrite #286

merged 3 commits into from
Jan 25, 2024

Commits on Jan 24, 2024

  1. shallue_van_de_woestijne rewrite 

    The previous implementation returns an off-curve point for the input t=0.

This rewrite addresses that issue by implicity returning the on-curve point
(d, sqrt(1 + b)), which is the point that the paper Indifferentiable Hashing
to Barreto–Naehrig Curves suggests returning in this case.

Note: At the moment it is cryptographically impossible for the input t to be 0.
    @roconnor-blockstream
    roconnor-blockstream committed Jan 24, 2024
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  2. generators: shallue_van_de_woestijne improve comments

    @jonasnick @roconnor-blockstream
    jonasnick authored and roconnor-blockstream committed Jan 24, 2024
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  3. generator: add shallue_van_de_woestijne test for t = 0

    @jonasnick @roconnor-blockstream
    jonasnick authored and roconnor-blockstream committed Jan 24, 2024
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