Trait elliptic_curve::scalar::IsHigh

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

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: CurveArithmetic,

Available on crate feature arithmetic only.

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