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Update to FROST v10

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Further expands documentation to near-completion.
This commit is contained in:
Luke Parker
2022-09-29 07:08:20 -04:00
parent 7870084b9e
commit 2b7c9378c0
16 changed files with 95 additions and 65 deletions
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8
crypto/frost/src/tests/mod.rs
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@@ -24,9 +24,12 @@ pub mod vectors;
#[cfg(test)]
mod literal;
/// Constant amount of participants to use when testing.
pub const PARTICIPANTS: u16 = 5;
/// Constant threshold of participants to use when signing.
pub const THRESHOLD: u16 = ((PARTICIPANTS / 3) * 2) + 1;
/// Clone a map without a specific value.
pub fn clone_without<K: Clone + std::cmp::Eq + std::hash::Hash, V: Clone>(
map: &HashMap<K, V>,
without: &K,
@@ -36,6 +39,7 @@ pub fn clone_without<K: Clone + std::cmp::Eq + std::hash::Hash, V: Clone>(
res
}
/// Generate FROST keys (as FrostCore objects) for tests.
pub fn core_gen<R: RngCore + CryptoRng, C: Curve>(rng: &mut R) -> HashMap<u16, FrostCore<C>> {
let mut machines = HashMap::new();
let mut commitments = HashMap::new();
@@ -91,10 +95,12 @@ pub fn core_gen<R: RngCore + CryptoRng, C: Curve>(rng: &mut R) -> HashMap<u16, F
.collect::<HashMap<_, _>>()
}
/// Generate FROST keys for tests.
pub fn key_gen<R: RngCore + CryptoRng, C: Curve>(rng: &mut R) -> HashMap<u16, FrostKeys<C>> {
core_gen(rng).drain().map(|(i, core)| (i, FrostKeys::new(core))).collect()
}
/// Recover the secret from a collection of keys.
pub fn recover<C: Curve>(keys: &HashMap<u16, FrostKeys<C>>) -> C::F {
let first = keys.values().next().expect("no keys provided");
assert!(keys.len() >= first.params().t().into(), "not enough keys provided");
@@ -107,6 +113,7 @@ pub fn recover<C: Curve>(keys: &HashMap<u16, FrostKeys<C>>) -> C::F {
group_private
}
/// Spawn algorithm machines for a random selection of signers, each executing the given algorithm.
pub fn algorithm_machines<R: RngCore, C: Curve, A: Algorithm<C>>(
rng: &mut R,
algorithm: A,
@@ -136,6 +143,7 @@ pub fn algorithm_machines<R: RngCore, C: Curve, A: Algorithm<C>>(
.collect()
}
/// Execute the signing protocol.
pub fn sign<R: RngCore + CryptoRng, M: PreprocessMachine>(
rng: &mut R,
mut machines: HashMap<u16, M>,