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Add a dedicated crate for testing ff/group implementors

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Provides extensive testing for dalek-ff-group and ed448.

Also includes a fix for an observed bug in ed448.
This commit is contained in:
Luke Parker
2022-12-24 15:09:09 -05:00
parent 6e518f5c22
commit 445bb3786e
18 changed files with 701 additions and 336 deletions
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29
crypto/ed448/src/field.rs
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@@ -30,30 +30,7 @@ pub(crate) const Q_4: FieldElement =
field!(FieldElement, MODULUS, WIDE_MODULUS, 448);
#[test]
fn repr() {
assert_eq!(FieldElement::from_repr(FieldElement::one().to_repr()).unwrap(), FieldElement::one());
}
#[test]
fn one_two() {
assert_eq!(FieldElement::one() * FieldElement::one().double(), FieldElement::from(2u8));
assert_eq!(
FieldElement::from_repr(FieldElement::from(2u8).to_repr()).unwrap(),
FieldElement::from(2u8)
);
}
#[test]
fn pow() {
assert_eq!(FieldElement::one().pow(FieldElement::one()), FieldElement::one());
let two = FieldElement::one().double();
assert_eq!(two.pow(two), two.double());
let three = two + FieldElement::one();
assert_eq!(three.pow(three), three * three * three);
}
#[test]
fn invert() {
assert_eq!(FieldElement::one().invert().unwrap(), FieldElement::one());
fn test_field() {
// TODO: Move to test_prime_field_bits once the impl is finished
ff_group_tests::prime_field::test_prime_field::<FieldElement>();
}