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Remove unused hash support for Pasta Fp and Fq.

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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
This commit is contained in:
Daira Hopwood 2021-02-20 21:51:32 +00:00
parent 8b8dbbe2bb
commit a14eccc13d
3 changed files with 2 additions and 11 deletions
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9
src/pasta/curves.rs
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@ -3,7 +3,6 @@
use core::cmp;
use core::fmt::Debug;
use core::hash::{Hash, Hasher};
use core::ops::{Add, Mul, Neg, Sub};
use ff::Field;
use subtle::{Choice, ConditionallySelectable, ConstantTimeEq, CtOption};
@ -650,14 +649,6 @@ macro_rules! new_curve_impl {
}
}
impl Hash for $name_affine {
fn hash<H: Hasher>(&self, state: &mut H) {
self.x.hash(state);
self.y.hash(state);
bool::from(self.infinity).hash(state)
}
}
impl_binops_additive!($name, $name);
impl_binops_additive!($name, $name_affine);
impl_binops_additive_specify_output!($name_affine, $name_affine, $name);

2
src/pasta/fields/fp.rs
View file

@ -16,7 +16,7 @@ use crate::arithmetic::{adc, mac, sbb, FieldExt, Group, SqrtTables};
// The internal representation of this type is four 64-bit unsigned
// integers in little-endian order. `Fp` values are always in
// Montgomery form; i.e., Fp(a) = aR mod p, with R = 2^256.
#[derive(Clone, Copy, Eq, Hash)]
#[derive(Clone, Copy, Eq)]
pub struct Fp(pub(crate) [u64; 4]);
impl fmt::Debug for Fp {

2
src/pasta/fields/fq.rs
View file

@ -16,7 +16,7 @@ use crate::arithmetic::{adc, mac, sbb, FieldExt, Group, SqrtTables};
// The internal representation of this type is four 64-bit unsigned
// integers in little-endian order. `Fq` values are always in
// Montgomery form; i.e., Fq(a) = aR mod q, with R = 2^256.
#[derive(Clone, Copy, Eq, Hash)]
#[derive(Clone, Copy, Eq)]
pub struct Fq(pub(crate) [u64; 4]);
impl fmt::Debug for Fq {