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Hide fns using private types

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This commit is contained in:
Henry de Valence 2017-11-17 15:42:37 -08:00
parent 78d9e70071
commit 9fda4739d0
2 changed files with 9 additions and 8 deletions
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5
src/curve_models/mod.rs
View file

@ -280,6 +280,8 @@ impl ProjectivePoint {
// Addition and Subtraction
// ------------------------------------------------------------------------
// These are doc(hidden) so they don't appear in the public API docs.
#[doc(hidden)]
impl<'a, 'b> Add<&'b ProjectiveNielsPoint> for &'a ExtendedPoint {
type Output = CompletedPoint;
@ -301,6 +303,7 @@ impl<'a, 'b> Add<&'b ProjectiveNielsPoint> for &'a ExtendedPoint {
}
}
#[doc(hidden)]
impl<'a, 'b> Sub<&'b ProjectiveNielsPoint> for &'a ExtendedPoint {
type Output = CompletedPoint;
@ -322,6 +325,7 @@ impl<'a, 'b> Sub<&'b ProjectiveNielsPoint> for &'a ExtendedPoint {
}
}
#[doc(hidden)]
impl<'a, 'b> Add<&'b AffineNielsPoint> for &'a ExtendedPoint {
type Output = CompletedPoint;
@ -342,6 +346,7 @@ impl<'a, 'b> Add<&'b AffineNielsPoint> for &'a ExtendedPoint {
}
}
#[doc(hidden)]
impl<'a, 'b> Sub<&'b AffineNielsPoint> for &'a ExtendedPoint {
type Output = CompletedPoint;

12
src/edwards.rs
View file

@ -233,7 +233,7 @@ impl Equal for ExtendedPoint {
impl ExtendedPoint {
/// Convert to a ProjectiveNielsPoint
pub fn to_projective_niels(&self) -> ProjectiveNielsPoint {
pub(crate) fn to_projective_niels(&self) -> ProjectiveNielsPoint {
ProjectiveNielsPoint{
Y_plus_X: &self.Y + &self.X,
Y_minus_X: &self.Y - &self.X,
@ -247,7 +247,7 @@ impl ExtendedPoint {
///
/// Given a point in Ɛₑ, we can convert to projective coordinates
/// cost-free by simply ignoring T.
fn to_projective(&self) -> ProjectivePoint {
pub(crate) fn to_projective(&self) -> ProjectivePoint {
ProjectivePoint{
X: self.X,
Y: self.Y,
@ -257,7 +257,7 @@ impl ExtendedPoint {
/// Dehomogenize to a AffineNielsPoint.
/// Mainly for testing.
pub fn to_affine_niels(&self) -> AffineNielsPoint {
pub(crate) fn to_affine_niels(&self) -> AffineNielsPoint {
let recip = self.Z.invert();
let x = &self.X * &recip;
let y = &self.Y * &recip;
@ -647,17 +647,13 @@ impl EdwardsBasepointTable {
impl ExtendedPoint {
/// Multiply by the cofactor: compute `8 * self`.
///
/// Convenience wrapper around `mult_by_pow_2`.
#[inline]
pub fn mult_by_cofactor(&self) -> ExtendedPoint {
self.mult_by_pow_2(3)
}
/// Compute `2^k * self` by successive doublings.
/// Requires `k > 0`.
#[inline]
pub fn mult_by_pow_2(&self, k: u32) -> ExtendedPoint {
pub(crate) fn mult_by_pow_2(&self, k: u32) -> ExtendedPoint {
let mut r: CompletedPoint;
let mut s = self.to_projective();
for _ in 0..(k-1) {