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Square root on BW6 can be optimized #52

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kobigurk opened this issue Aug 16, 2020 · 2 comments
Open

Square root on BW6 can be optimized #52

kobigurk opened this issue Aug 16, 2020 · 2 comments
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enhancement New feature or request

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@kobigurk
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kobigurk commented Aug 16, 2020 •
edited

It seems like the square root implementation in Zexe is Tonelli-Shanks, and since q = 3 mod 4 it can be optimized. This affects, for example, proof deserialization or random group element generation for testing.

cc @jon-chuang
@kobigurk kobigurk added the enhancement New feature or request label Aug 16, 2020
@jon-chuang
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How much better is this?

@kobigurk
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Not sure tbh, haven't checked.

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@kobigurk @jon-chuang