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3.3.3 (cont) Add a dedicated Participant type

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This commit is contained in:
Luke Parker
2023-02-23 06:50:45 -05:00
parent 87dea5e455
commit 2d56d24d9c
18 changed files with 308 additions and 237 deletions
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31
crypto/frost/src/tests/mod.rs
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@@ -5,7 +5,7 @@ use rand_core::{RngCore, CryptoRng};
pub use dkg::tests::{key_gen, recover_key};
use crate::{
Curve, ThresholdKeys,
Curve, Participant, ThresholdKeys,
algorithm::Algorithm,
sign::{Writable, PreprocessMachine, SignMachine, SignatureMachine, AlgorithmMachine},
};
@@ -36,11 +36,14 @@ pub fn clone_without<K: Clone + std::cmp::Eq + std::hash::Hash, V: Clone>(
pub fn algorithm_machines<R: RngCore, C: Curve, A: Algorithm<C>>(
rng: &mut R,
algorithm: A,
keys: &HashMap<u16, ThresholdKeys<C>>,
) -> HashMap<u16, AlgorithmMachine<C, A>> {
keys: &HashMap<Participant, ThresholdKeys<C>>,
) -> HashMap<Participant, AlgorithmMachine<C, A>> {
let mut included = vec![];
while included.len() < usize::from(keys[&1].params().t()) {
let n = u16::try_from((rng.next_u64() % u64::try_from(keys.len()).unwrap()) + 1).unwrap();
while included.len() < usize::from(keys[&Participant::new(1).unwrap()].params().t()) {
let n = Participant::new(
u16::try_from((rng.next_u64() % u64::try_from(keys.len()).unwrap()) + 1).unwrap(),
)
.unwrap();
if included.contains(&n) {
continue;
}
@@ -64,15 +67,15 @@ pub fn algorithm_machines<R: RngCore, C: Curve, A: Algorithm<C>>(
pub(crate) fn commit_and_shares<
R: RngCore + CryptoRng,
M: PreprocessMachine,
F: FnMut(&mut R, &mut HashMap<u16, M::SignMachine>),
F: FnMut(&mut R, &mut HashMap<Participant, M::SignMachine>),
>(
rng: &mut R,
mut machines: HashMap<u16, M>,
mut machines: HashMap<Participant, M>,
mut cache: F,
msg: &[u8],
) -> (
HashMap<u16, <M::SignMachine as SignMachine<M::Signature>>::SignatureMachine>,
HashMap<u16, <M::SignMachine as SignMachine<M::Signature>>::SignatureShare>,
HashMap<Participant, <M::SignMachine as SignMachine<M::Signature>>::SignatureMachine>,
HashMap<Participant, <M::SignMachine as SignMachine<M::Signature>>::SignatureShare>,
) {
let mut commitments = HashMap::new();
let mut machines = machines
@@ -110,10 +113,10 @@ pub(crate) fn commit_and_shares<
fn sign_internal<
R: RngCore + CryptoRng,
M: PreprocessMachine,
F: FnMut(&mut R, &mut HashMap<u16, M::SignMachine>),
F: FnMut(&mut R, &mut HashMap<Participant, M::SignMachine>),
>(
rng: &mut R,
machines: HashMap<u16, M>,
machines: HashMap<Participant, M>,
cache: F,
msg: &[u8],
) -> M::Signature {
@@ -135,7 +138,7 @@ fn sign_internal<
/// caching.
pub fn sign_without_caching<R: RngCore + CryptoRng, M: PreprocessMachine>(
rng: &mut R,
machines: HashMap<u16, M>,
machines: HashMap<Participant, M>,
msg: &[u8],
) -> M::Signature {
sign_internal(rng, machines, |_, _| {}, msg)
@@ -146,8 +149,8 @@ pub fn sign_without_caching<R: RngCore + CryptoRng, M: PreprocessMachine>(
pub fn sign<R: RngCore + CryptoRng, M: PreprocessMachine>(
rng: &mut R,
params: <M::SignMachine as SignMachine<M::Signature>>::Params,
mut keys: HashMap<u16, <M::SignMachine as SignMachine<M::Signature>>::Keys>,
machines: HashMap<u16, M>,
mut keys: HashMap<Participant, <M::SignMachine as SignMachine<M::Signature>>::Keys>,
machines: HashMap<Participant, M>,
msg: &[u8],
) -> M::Signature {
sign_internal(