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Fix dalek_ff_group invert

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This commit is contained in:
Luke Parker
2022-07-08 16:05:17 -04:00
parent 41eaa1b124
commit f50fd76b31
1 changed files with 1 additions and 1 deletions
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2
crypto/dalek-ff-group/src/lib.rs
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@@ -166,7 +166,7 @@ impl Field for Scalar {
fn square(&self) -> Self { *self * self } fn square(&self) -> Self { *self * self }
fn double(&self) -> Self { *self + self } fn double(&self) -> Self { *self + self }
fn invert(&self) -> CtOption<Self> { fn invert(&self) -> CtOption<Self> {
CtOption::new(Self(self.0.invert()), self.is_zero()) CtOption::new(Self(self.0.invert()), !self.is_zero())
} }
fn sqrt(&self) -> CtOption<Self> { unimplemented!() } fn sqrt(&self) -> CtOption<Self> { unimplemented!() }
fn is_zero(&self) -> Choice { self.0.ct_eq(&DScalar::zero()) } fn is_zero(&self) -> Choice { self.0.ct_eq(&DScalar::zero()) }