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This commit is contained in:
Luke Parker
2022-04-27 00:09:25 -04:00
parent df4be9ca0c
commit c9537a08a1
4 changed files with 13 additions and 12 deletions
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12
coins/monero/src/frost.rs
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@@ -2,7 +2,7 @@ use core::convert::TryInto;
use rand_core::{RngCore, CryptoRng};
use blake2::{Digest, Blake2b512};
use blake2::{digest::Update, Digest, Blake2b512};
use curve25519_dalek::{
constants::ED25519_BASEPOINT_TABLE as DTable,
@@ -49,7 +49,7 @@ impl Curve for Ed25519 {
}
fn hash_msg(msg: &[u8]) -> Vec<u8> {
Blake2b512::digest(msg)
Blake2b512::digest(msg).to_vec()
}
fn hash_to_F(data: &[u8]) -> Self::F {
@@ -120,13 +120,13 @@ impl DLEqProof {
let R1 = &DTable * &r;
let R2 = r * H;
let c = DScalar::from_hash(
let c = dfg::Scalar::from_hash(
Blake2b512::new()
.chain(R1.compress().to_bytes())
.chain(R2.compress().to_bytes())
.chain((secret * &DTable).compress().to_bytes())
.chain(alt.compress().to_bytes())
);
).0;
let s = r + (c * secret);
DLEqProof { s, c }
@@ -144,13 +144,13 @@ impl DLEqProof {
let R1 = (&s * &DTable) - (c * primary);
let R2 = (s * H) - (c * alt);
let expected_c = DScalar::from_hash(
let expected_c = dfg::Scalar::from_hash(
Blake2b512::new()
.chain(R1.compress().to_bytes())
.chain(R2.compress().to_bytes())
.chain(primary.compress().to_bytes())
.chain(alt.compress().to_bytes())
);
).0;
// Take the opportunity to ensure a lack of torsion in key images/randomness commitments
if (!primary.is_torsion_free()) || (!alt.is_torsion_free()) || (c != expected_c) {