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pub mod curve;
pub struct TestVector {
pub d: &'static [u8],
pub q_x: &'static [u8],
pub q_y: &'static [u8],
pub k: &'static [u8],
pub m: &'static [u8],
pub r: &'static [u8],
pub s: &'static [u8],
}
#[macro_export]
#[cfg_attr(docsrs, doc(cfg(feature = "dev")))]
macro_rules! new_signing_test {
($curve:path, $vectors:expr) => {
use core::convert::TryInto;
use $crate::{
elliptic_curve::{ff::PrimeField, ProjectiveArithmetic, Scalar},
generic_array::GenericArray,
hazmat::SignPrimitive,
};
#[test]
fn ecdsa_signing() {
for vector in $vectors {
let d = Scalar::<$curve>::from_repr(GenericArray::clone_from_slice(vector.d))
.expect("invalid vector.d");
let k = Scalar::<$curve>::from_repr(GenericArray::clone_from_slice(vector.k))
.expect("invalid vector.m");
let z = Scalar::<$curve>::from_repr(GenericArray::clone_from_slice(vector.m))
.expect("invalid vector.z");
let sig = d.try_sign_prehashed(&k, &z).unwrap();
assert_eq!(vector.r, sig.r().to_bytes().as_slice());
assert_eq!(vector.s, sig.s().to_bytes().as_slice());
}
}
};
}
#[macro_export]
#[cfg_attr(docsrs, doc(cfg(feature = "dev")))]
macro_rules! new_verification_test {
($curve:path, $vectors:expr) => {
use core::convert::TryInto;
use $crate::{
elliptic_curve::{
ff::PrimeField, sec1::EncodedPoint, AffinePoint, ProjectiveArithmetic, Scalar,
},
generic_array::GenericArray,
hazmat::VerifyPrimitive,
Signature,
};
#[test]
fn ecdsa_verify_success() {
for vector in $vectors {
let q_encoded = EncodedPoint::from_affine_coordinates(
GenericArray::from_slice(vector.q_x),
GenericArray::from_slice(vector.q_y),
false,
);
let q: AffinePoint<$curve> = q_encoded.decode().unwrap();
let z = Scalar::<$curve>::from_repr(GenericArray::clone_from_slice(vector.m))
.expect("invalid vector.m");
let sig = Signature::from_scalars(
GenericArray::clone_from_slice(vector.r),
GenericArray::clone_from_slice(vector.s),
)
.unwrap();
let result = q.verify_prehashed(&z, &sig);
assert!(result.is_ok());
}
}
#[test]
fn ecdsa_verify_invalid_s() {
for vector in $vectors {
let q_encoded = EncodedPoint::from_affine_coordinates(
GenericArray::from_slice(vector.q_x),
GenericArray::from_slice(vector.q_y),
false,
);
let q: AffinePoint<$curve> = q_encoded.decode().unwrap();
let z = Scalar::<$curve>::from_repr(GenericArray::clone_from_slice(vector.m))
.expect("invalid vector.m");
let mut s_tweaked = GenericArray::clone_from_slice(vector.s);
s_tweaked[0] ^= 1;
let sig =
Signature::from_scalars(GenericArray::clone_from_slice(vector.r), s_tweaked)
.unwrap();
let result = q.verify_prehashed(&z, &sig);
assert!(result.is_err());
}
}
};
}