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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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10
crypto/dkg/src/promote.rs
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@@ -14,7 +14,7 @@ use ciphersuite::Ciphersuite;
use transcript::{Transcript, RecommendedTranscript};
use dleq::DLEqProof;
use crate::{DkgError, ThresholdCore, ThresholdKeys, validate_map};
use crate::{Participant, DkgError, ThresholdCore, ThresholdKeys, validate_map};
/// Promote a set of keys to another Ciphersuite definition.
pub trait CiphersuitePromote<C2: Ciphersuite> {
@@ -27,10 +27,10 @@ pub trait CiphersuitePromote<C2: Ciphersuite> {
fn promote(self) -> ThresholdKeys<C2>;
}
fn transcript<G: GroupEncoding>(key: G, i: u16) -> RecommendedTranscript {
fn transcript<G: GroupEncoding>(key: G, i: Participant) -> RecommendedTranscript {
let mut transcript = RecommendedTranscript::new(b"DKG Generator Promotion v0.2");
transcript.append_message(b"group_key", key.to_bytes());
transcript.append_message(b"participant", i.to_be_bytes());
transcript.append_message(b"participant", i.to_bytes());
transcript
}
@@ -97,10 +97,10 @@ where
/// Complete promotion by taking in the proofs from all other participants.
pub fn complete(
self,
proofs: &HashMap<u16, GeneratorProof<C1>>,
proofs: &HashMap<Participant, GeneratorProof<C1>>,
) -> Result<ThresholdKeys<C2>, DkgError<()>> {
let params = self.base.params();
validate_map(proofs, &(1 ..= params.n).collect::<Vec<_>>(), params.i)?;
validate_map(proofs, &(1 ..= params.n).map(Participant).collect::<Vec<_>>(), params.i)?;
let original_shares = self.base.verification_shares();