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Add Ed25519 to FROST and remove expand_xmd for elliptic_curve's

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Doesn't fully utilize ec's hash2curve module as k256 Scalar doesn't have 
FromOkm for some reason. The previously present bigint reduction is 
preserved.

Updates ff/group to 0.12.

Premised on https://github.com/cfrg/draft-irtf-cfrg-frost/pull/205 being 
merged, as while this Ed25519 is vector compliant, it's technically not 
spec compliant due to that conflict.
This commit is contained in:
Luke Parker
2022-06-06 02:18:25 -04:00
parent 55a895d65a
commit e0ce6e5c12
15 changed files with 189 additions and 266 deletions
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3
crypto/dalek-ff-group/Cargo.toml
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@@ -12,7 +12,6 @@ digest = "0.10"
subtle = "2.4"
ff = "0.11"
group = "0.11"
group = "0.12"
curve25519-dalek = "3.2"

3
crypto/dalek-ff-group/src/lib.rs
View File

@@ -22,8 +22,7 @@ use dalek::{
}
};
use ff::{Field, PrimeField};
use group::Group;
use group::{ff::{Field, PrimeField}, Group};
#[derive(Clone, Copy, PartialEq, Eq, Debug, Default)]
pub struct Scalar(pub DScalar);