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Merge pull request #488 from mir-protocol/ecdsa_pub_hash

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Impled `Hash` for `AffinePoint`
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Nicholas Ward 2022-02-14 11:57:22 -08:00 committed by GitHub
commit 96c9a2385b
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2 changed files with 13 additions and 1 deletions
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12
plonky2/src/curve/curve_types.rs
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@ -1,4 +1,5 @@
use std::fmt::Debug;
use std::hash::Hash;
use std::ops::Neg;
use plonky2_field::field_types::{Field, PrimeField};
@ -120,6 +121,17 @@ impl<C: Curve> PartialEq for AffinePoint<C> {
impl<C: Curve> Eq for AffinePoint<C> {}
impl<C: Curve> Hash for AffinePoint<C> {
fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
if self.zero {
self.zero.hash(state);
} else {
self.x.hash(state);
self.y.hash(state);
}
}
}
/// A point on a short Weierstrass curve, represented in projective coordinates.
#[derive(Copy, Clone, Debug)]
pub struct ProjectivePoint<C: Curve> {

2
plonky2/src/curve/ecdsa.rs
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@ -13,7 +13,7 @@ pub struct ECDSASignature<C: Curve> {
#[derive(Copy, Clone, Debug, Deserialize, Eq, Hash, PartialEq, Serialize)]
pub struct ECDSASecretKey<C: Curve>(pub C::ScalarField);
#[derive(Copy, Clone, Debug, Deserialize, Eq, PartialEq, Serialize)]
#[derive(Copy, Clone, Debug, Deserialize, Eq, Hash, PartialEq, Serialize)]
pub struct ECDSAPublicKey<C: Curve>(pub AffinePoint<C>);
pub fn sign_message<C: Curve>(msg: C::ScalarField, sk: ECDSASecretKey<C>) -> ECDSASignature<C> {