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Resolve #68

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Notably speeds up monero-serai's build and CLSAG performance.
This commit is contained in:
Luke Parker
2023-04-20 01:11:39 -04:00
parent ff2febe5aa
commit ee65e4df8f
2 changed files with 90 additions and 110 deletions
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39
crypto/dalek-ff-group/src/lib.rs
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@@ -162,35 +162,28 @@ macro_rules! math_neg {
};
}
macro_rules! from_wrapper {
($wrapper: ident, $inner: ident, $uint: ident) => {
impl From<$uint> for $wrapper {
fn from(a: $uint) -> $wrapper {
Self($inner::from(a))
}
}
};
}
pub(crate) use from_wrapper;
macro_rules! from_uint {
($wrapper: ident, $inner: ident) => {
from_wrapper!($wrapper, $inner, u8);
from_wrapper!($wrapper, $inner, u16);
from_wrapper!($wrapper, $inner, u32);
from_wrapper!($wrapper, $inner, u64);
from_wrapper!($wrapper, $inner, u128);
};
}
pub(crate) use from_uint;
/// Wrapper around the dalek Scalar type.
#[derive(Clone, Copy, PartialEq, Eq, Default, Debug, Zeroize)]
pub struct Scalar(pub DScalar);
deref_borrow!(Scalar, DScalar);
constant_time!(Scalar, DScalar);
math_neg!(Scalar, Scalar, DScalar::add, DScalar::sub, DScalar::mul);
from_uint!(Scalar, DScalar);
macro_rules! from_wrapper {
($uint: ident) => {
impl From<$uint> for Scalar {
fn from(a: $uint) -> Scalar {
Scalar(DScalar::from(a))
}
}
};
}
from_wrapper!(u8);
from_wrapper!(u16);
from_wrapper!(u32);
from_wrapper!(u64);
from_wrapper!(u128);
// Ed25519 order/scalar modulus
const MODULUS: U256 =