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Assess algorithm for deriving Y coordinate #65

Closed mariocao closed 5 years ago

mariocao commented 5 years ago

Context: known limitation of the current deriveY function in the elliptic-curve-solidity library for the curves secp224k1 and P224.

Assess which algorithms are valid for deriving the Y coordinate given the X for the supported curves in elliptic-curve-solidity. It would be desirable to have an idea about their complexity. :)