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Derived more traits for ecdsa types

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This commit is contained in:
BGluth 2022-02-14 10:53:20 -07:00
parent 55ca718a77
commit c9171517a4
3 changed files with 9 additions and 5 deletions
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3
plonky2/src/curve/curve_types.rs
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@ -3,6 +3,7 @@ use std::ops::Neg;
use plonky2_field::field_types::{Field, PrimeField};
use plonky2_field::ops::Square;
use serde::{Deserialize, Serialize};
// To avoid implementation conflicts from associated types,
// see https://github.com/rust-lang/rust/issues/20400
@ -36,7 +37,7 @@ pub trait Curve: 'static + Sync + Sized + Copy + Debug {
}
/// A point on a short Weierstrass curve, represented in affine coordinates.
#[derive(Copy, Clone, Debug)]
#[derive(Copy, Clone, Debug, Deserialize, Serialize)]
pub struct AffinePoint<C: Curve> {
pub x: C::BaseField,
pub y: C::BaseField,

8
plonky2/src/curve/ecdsa.rs
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@ -1,17 +1,19 @@
use serde::{Deserialize, Serialize};
use crate::curve::curve_msm::msm_parallel;
use crate::curve::curve_types::{base_to_scalar, AffinePoint, Curve, CurveScalar};
use crate::field::field_types::Field;
#[derive(Copy, Clone, Debug)]
#[derive(Copy, Clone, Debug, Deserialize, Eq, Hash, PartialEq, Serialize)]
pub struct ECDSASignature<C: Curve> {
pub r: C::ScalarField,
pub s: C::ScalarField,
}
#[derive(Copy, Clone, Debug)]
#[derive(Copy, Clone, Debug, Deserialize, Eq, Hash, PartialEq, Serialize)]
pub struct ECDSASecretKey<C: Curve>(pub C::ScalarField);
#[derive(Copy, Clone, Debug)]
#[derive(Copy, Clone, Debug, Deserialize, Eq, PartialEq, Serialize)]
pub struct ECDSAPublicKey<C: Curve>(pub AffinePoint<C>);
pub fn sign_message<C: Curve>(msg: C::ScalarField, sk: ECDSASecretKey<C>) -> ECDSASignature<C> {

3
plonky2/src/curve/secp256k1.rs
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@ -1,10 +1,11 @@
use plonky2_field::field_types::Field;
use plonky2_field::secp256k1_base::Secp256K1Base;
use plonky2_field::secp256k1_scalar::Secp256K1Scalar;
use serde::{Deserialize, Serialize};
use crate::curve::curve_types::{AffinePoint, Curve};
#[derive(Debug, Copy, Clone)]
#[derive(Debug, Copy, Clone, Deserialize, Eq, Hash, PartialEq, Serialize)]
pub struct Secp256K1;
impl Curve for Secp256K1 {