absolutebi/serai
1
0
Fork 0
mirror of https://github.com/serai-dex/serai.git synced 2025-12-08 12:19:24 +00:00
Code Issues Packages Projects Releases Wiki Activity

Enforce FROST StateMachine progression via the type system

Browse Source 
A comment on the matter was made in 
https://github.com/serai-dex/serai/issues/12. While I do believe the API 
is slightly worse, I appreciate the explicitness.
This commit is contained in:
Luke Parker
2022-06-24 08:40:14 -04:00
parent 462d0e74ce
commit 1caa6a9606
9 changed files with 276 additions and 351 deletions
Download Patch File Download Diff File Expand all files Collapse all files

33
crypto/frost/src/tests/vectors.rs
View File

@@ -5,7 +5,7 @@ use rand_core::{RngCore, CryptoRng};
use crate::{
Curve, MultisigKeys,
algorithm::{Schnorr, Hram},
sign::{PreprocessPackage, StateMachine, AlgorithmMachine},
sign::{PreprocessPackage, SignMachine, SignatureMachine, AlgorithmMachine},
tests::{curve::test_curve, schnorr::test_schnorr, recover}
};
@@ -92,33 +92,40 @@ pub fn test_with_vectors<
let mut commitments = HashMap::new();
let mut c = 0;
for (i, machine) in machines.iter_mut() {
let mut machines = machines.drain(..).map(|(i, machine)| {
let nonces = [
C::F_from_slice(&hex::decode(vectors.nonces[c][0]).unwrap()).unwrap(),
C::F_from_slice(&hex::decode(vectors.nonces[c][1]).unwrap()).unwrap()
];
c += 1;
let mut serialized = C::G_to_bytes(&(C::GENERATOR * nonces[0]));
serialized.extend(&C::G_to_bytes(&(C::GENERATOR * nonces[1])));
machine.unsafe_override_preprocess(
let (machine, serialized) = machine.unsafe_override_preprocess(
PreprocessPackage { nonces, serialized: serialized.clone() }
);
commitments.insert(*i, serialized);
c += 1;
}
commitments.insert(i, serialized);
(i, machine)
}).collect::<Vec<_>>();
let mut shares = HashMap::new();
c = 0;
for (i, machine) in machines.iter_mut() {
let share = machine.sign(commitments.clone(), &hex::decode(vectors.msg).unwrap()).unwrap();
assert_eq!(share, hex::decode(vectors.sig_shares[c]).unwrap());
shares.insert(*i, share);
c += 1;
}
let mut machines = machines.drain(..).map(|(i, machine)| {
let (machine, share) = machine.sign(
commitments.clone(),
&hex::decode(vectors.msg).unwrap()
).unwrap();
for (_, machine) in machines.iter_mut() {
assert_eq!(share, hex::decode(vectors.sig_shares[c]).unwrap());
c += 1;
shares.insert(i, share);
(i, machine)
}).collect::<HashMap<_, _>>();
for (_, machine) in machines.drain() {
let sig = machine.complete(shares.clone()).unwrap();
let mut serialized = C::G_to_bytes(&sig.R);
serialized.extend(C::F_to_bytes(&sig.s));