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Update to FROST v11

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Ensures random functions never return zero. This, combined with a check 
commitments aren't 0, causes no serialized elements to be 0.

Also directly reads their vectors.
This commit is contained in:
Luke Parker
2022-10-13 00:38:36 -04:00
parent b334c96906
commit a0a54eb0de
19 changed files with 491 additions and 257 deletions
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6
crypto/frost/src/curve/ed448.rs
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@@ -7,7 +7,7 @@ use minimal_ed448::{scalar::Scalar, point::Point};
use crate::{curve::Curve, algorithm::Hram};
const CONTEXT: &[u8] = b"FROST-ED448-SHAKE256-v10";
const CONTEXT: &[u8] = b"FROST-ED448-SHAKE256-v11";
#[derive(Clone, Copy, PartialEq, Eq, Debug, Zeroize)]
pub struct Ed448;
@@ -53,8 +53,8 @@ impl Ietf8032Ed448Hram {
}
#[derive(Copy, Clone)]
pub struct NonIetfEd448Hram;
impl Hram<Ed448> for NonIetfEd448Hram {
pub struct IetfEd448Hram;
impl Hram<Ed448> for IetfEd448Hram {
#[allow(non_snake_case)]
fn hram(R: &Point, A: &Point, m: &[u8]) -> Scalar {
Ietf8032Ed448Hram::hram(&[], R, A, m)