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Deduplicate Sapling key agreement logic

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This commit is contained in:
Jack Grigg
2019-03-23 17:51:30 +13:00
parent 247f3fb038
commit 2b1583d75f
3 changed files with 37 additions and 17 deletions
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16
sapling-crypto/src/jubjub/edwards.rs
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@@ -45,6 +45,14 @@ fn convert_subgroup<E: JubjubEngine, S1, S2>(from: &Point<E, S1>) -> Point<E, S2
}
}
impl<E: JubjubEngine> From<&Point<E, Unknown>> for Point<E, Unknown>
{
fn from(p: &Point<E, Unknown>) -> Point<E, Unknown>
{
p.clone()
}
}
impl<E: JubjubEngine> From<Point<E, PrimeOrder>> for Point<E, Unknown>
{
fn from(p: Point<E, PrimeOrder>) -> Point<E, Unknown>
@@ -53,6 +61,14 @@ impl<E: JubjubEngine> From<Point<E, PrimeOrder>> for Point<E, Unknown>
}
}
impl<E: JubjubEngine> From<&Point<E, PrimeOrder>> for Point<E, Unknown>
{
fn from(p: &Point<E, PrimeOrder>) -> Point<E, Unknown>
{
convert_subgroup(p)
}
}
impl<E: JubjubEngine, Subgroup> Clone for Point<E, Subgroup>
{
fn clone(&self) -> Self {