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Implement serde for Ep, Eq

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This commit is contained in:
Samuel Burnham 2022-11-20 14:17:08 -05:00
parent f8ba48de4e
commit 5e7d16b811
1 changed files with 124 additions and 1 deletions
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125
src/serde_impl.rs
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@ -5,8 +5,9 @@ use serde_crate::{
}; };
use crate::{ use crate::{
curves::{EpAffine, EqAffine}, curves::{Ep, EpAffine, Eq, EqAffine},
fields::{Fp, Fq}, fields::{Fp, Fq},
group::Curve,
}; };
/// Serializes bytes to human readable or compact representation. /// Serializes bytes to human readable or compact representation.
@ -105,6 +106,30 @@ impl<'de> Deserialize<'de> for EqAffine {
} }
} }
impl Serialize for Ep {
fn serialize<S: Serializer>(&self, s: S) -> Result<S::Ok, S::Error> {
EpAffine::serialize(&self.to_affine(), s)
}
}
impl<'de> Deserialize<'de> for Ep {
fn deserialize<D: Deserializer<'de>>(d: D) -> Result<Self, D::Error> {
Ok(Self::from(EpAffine::deserialize(d)?))
}
}
impl Serialize for Eq {
fn serialize<S: Serializer>(&self, s: S) -> Result<S::Ok, S::Error> {
EqAffine::serialize(&self.to_affine(), s)
}
}
impl<'de> Deserialize<'de> for Eq {
fn deserialize<D: Deserializer<'de>>(d: D) -> Result<Self, D::Error> {
Ok(Self::from(EqAffine::deserialize(d)?))
}
}
#[cfg(test)] #[cfg(test)]
mod tests { mod tests {
use super::*; use super::*;
@ -321,4 +346,102 @@ mod tests {
f f
); );
} }
#[test]
fn serde_ep() {
let mut rng = XorShiftRng::from_seed([
0x59, 0x62, 0xbe, 0x5d, 0x76, 0x3d, 0x31, 0x8d, 0x17, 0xdb, 0x37, 0x32, 0x54, 0x06,
0xbc, 0xe5,
]);
for _ in 0..100 {
let f = Ep::random(&mut rng);
test_roundtrip(&f);
}
let f = Ep::identity();
test_roundtrip(&f);
assert_eq!(
serde_json::from_slice::<Ep>(
br#""0000000000000000000000000000000000000000000000000000000000000000""#
)
.unwrap(),
f
);
assert_eq!(
bincode::deserialize::<Ep>(&[
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0
])
.unwrap(),
f
);
let f = Ep::generator();
test_roundtrip(&f);
assert_eq!(
serde_json::from_slice::<Ep>(
br#""00000000ed302d991bf94c09fc98462200000000000000000000000000000040""#
)
.unwrap(),
f
);
assert_eq!(
bincode::deserialize::<Ep>(&[
0, 0, 0, 0, 237, 48, 45, 153, 27, 249, 76, 9, 252, 152, 70, 34, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 64
])
.unwrap(),
f
);
}
#[test]
fn serde_eq() {
let mut rng = XorShiftRng::from_seed([
0x59, 0x62, 0xbe, 0x5d, 0x76, 0x3d, 0x31, 0x8d, 0x17, 0xdb, 0x37, 0x32, 0x54, 0x06,
0xbc, 0xe5,
]);
for _ in 0..100 {
let f = Eq::random(&mut rng);
test_roundtrip(&f);
}
let f = Eq::identity();
test_roundtrip(&f);
assert_eq!(
serde_json::from_slice::<Eq>(
br#""0000000000000000000000000000000000000000000000000000000000000000""#
)
.unwrap(),
f
);
assert_eq!(
bincode::deserialize::<Eq>(&[
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0
])
.unwrap(),
f
);
let f = Eq::generator();
test_roundtrip(&f);
assert_eq!(
serde_json::from_slice::<Eq>(
br#""0000000021eb468cdda89409fc98462200000000000000000000000000000040""#
)
.unwrap(),
f
);
assert_eq!(
bincode::deserialize::<Eq>(&[
0, 0, 0, 0, 33, 235, 70, 140, 221, 168, 148, 9, 252, 152, 70, 34, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 64
])
.unwrap(),
f
);
}
} }