INNER CODE UNIT · Rust

detect_cheater

ZcashFoundation/frost · frost-core/src/lib.rs:690

fn detect_cheater<C: Ciphersuite>(
    group_commitment: &GroupCommitment<C>,
    pubkeys: &keys::PublicKeyPackage<C>,
    signing_package: &SigningPackage<C>,
    signature_shares: &BTreeMap<Identifier<C>, round2::SignatureShare<C>>,
    binding_factor_list: &BindingFactorList<C>,
    cheater_detection: CheaterDetection,
) -> Result<(), Error<C>> {
    // Compute the per-message challenge.
    let challenge = <C>::challenge(
        &group_commitment.0,
        &pubkeys.verifying_key,
        signing_package.message(),
    )?;

    let mut all_culprits = Vec::new();

    // Verify the signature shares.

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