absolutebi/serai
1
0
Fork 0
mirror of https://github.com/serai-dex/serai.git synced 2025-12-11 13:39:25 +00:00
Code Issues Packages Projects Releases Wiki Activity

Working multisig TXs

Browse Source
This commit is contained in:
Luke Parker
2022-04-30 04:32:19 -04:00
parent d6649fffb1
commit 9ccf683e9d
12 changed files with 577 additions and 325 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
coins/monero/src/key_image/multisig.rs
View File

@@ -1,15 +1,15 @@
use rand_core::{RngCore, CryptoRng};
use curve25519_dalek::edwards::{EdwardsPoint, CompressedEdwardsY};
use frost::sign::ParamsView;
use frost::MultisigView;
use crate::{hash_to_point, frost::{MultisigError, Ed25519, DLEqProof}};
#[allow(non_snake_case)]
pub fn generate_share<R: RngCore + CryptoRng>(
rng: &mut R,
view: &ParamsView<Ed25519>
) -> (Vec<u8>, Vec<u8>) {
view: &MultisigView<Ed25519>
) -> (EdwardsPoint, Vec<u8>) {
let H = hash_to_point(&view.group_key().0);
let image = view.secret_share().0 * H;
// Includes a proof. Since:
@@ -20,14 +20,11 @@ pub fn generate_share<R: RngCore + CryptoRng>(
// lagranged_secret * G is known. lagranged_secret * H is being sent
// Any discrete log equality proof confirms the same secret was used,
// forming a valid key_image share
(
image.compress().to_bytes().to_vec(),
DLEqProof::prove(rng, &view.secret_share().0, &H, &image).serialize()
)
(image, DLEqProof::prove(rng, &view.secret_share().0, &H, &image).serialize())
}
pub fn verify_share(
view: &ParamsView<Ed25519>,
view: &MultisigView<Ed25519>,
l: usize,
share: &[u8]
) -> Result<(EdwardsPoint, Vec<u8>), MultisigError> {