Trait elliptic_curve::IsHigh

source · [−]

pub trait IsHigh {
    fn is_high(&self) -> Choice;
}

Expand description

Is this scalar greater than n / 2?

Returns

For scalars 0 through n / 2: Choice::from(0)
For scalars (n / 2) + 1 through n - 1: Choice::from(1)

Required methods

fn is_high(&self) -> Choice

Is this scalar greater than or equal to n / 2?

Implementors

impl<C> IsHigh for NonZeroScalar<C> where
C: Curve + ScalarArithmetic,

impl<C> IsHigh for ScalarCore<C> where
C: Curve,