use crate::{AffineXCoordinate, Curve, FieldBytes, IsHigh, PrimeCurve, ScalarCore};
use core::fmt::Debug;
use subtle::{ConditionallySelectable, ConstantTimeEq};
use zeroize::DefaultIsZeroes;
#[cfg_attr(docsrs, doc(cfg(feature = "arithmetic")))]
pub trait AffineArithmetic: Curve + ScalarArithmetic {
type AffinePoint: 'static
+ AffineXCoordinate<Self>
+ Copy
+ Clone
+ ConditionallySelectable
+ ConstantTimeEq
+ Debug
+ Default
+ DefaultIsZeroes
+ Eq
+ PartialEq
+ Sized
+ Send
+ Sync;
}
#[cfg_attr(docsrs, doc(cfg(feature = "arithmetic")))]
pub trait PrimeCurveArithmetic:
PrimeCurve + ProjectiveArithmetic<ProjectivePoint = Self::CurveGroup>
{
type CurveGroup: group::prime::PrimeCurve<Affine = <Self as AffineArithmetic>::AffinePoint>;
}
#[cfg_attr(docsrs, doc(cfg(feature = "arithmetic")))]
pub trait ProjectiveArithmetic: Curve + AffineArithmetic {
type ProjectivePoint: ConditionallySelectable
+ ConstantTimeEq
+ Default
+ DefaultIsZeroes
+ From<Self::AffinePoint>
+ Into<Self::AffinePoint>
+ group::Curve<AffineRepr = Self::AffinePoint>
+ group::Group<Scalar = Self::Scalar>;
}
#[cfg(feature = "arithmetic")]
#[cfg_attr(docsrs, doc(cfg(feature = "arithmetic")))]
pub trait ScalarArithmetic: Curve {
type Scalar: DefaultIsZeroes
+ From<ScalarCore<Self>>
+ Into<FieldBytes<Self>>
+ Into<Self::UInt>
+ IsHigh
+ ff::Field
+ ff::PrimeField<Repr = FieldBytes<Self>>;
}