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G2 membership check using efficient endomorphism #87

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ilitteri opened this issue Sep 19, 2023 · 0 comments

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frozen

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ilitteri commented Sep 19, 2023 •

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Context: EcPairing.yul

Description:

An easy, but slow, way to check if $P ∈ E′(F_{p^{2}})[r]$ is to see if $[r]P = O$. This is undesirable since $r$ has 254 bits in the case of BN254.

Recommendation:

Check this paper.

ilitteri added the frozen label

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