fedimint_server::config::distributedgen

Struct Dkg

Source 
struct Dkg<G> {
    gen_g: G,
    peers: Vec<PeerId>,
    our_id: PeerId,
    threshold: usize,
    f1_poly: Vec<Scalar>,
    f2_poly: Vec<Scalar>,
    hashed_commits: BTreeMap<PeerId, Hash>,
    commitments: BTreeMap<PeerId, Vec<G>>,
    sk_shares: BTreeMap<PeerId, Scalar>,
    pk_shares: BTreeMap<PeerId, Vec<G>>,
}

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§gen_g: G§peers: Vec<PeerId>§our_id: PeerId§threshold: usize§f1_poly: Vec<Scalar>§f2_poly: Vec<Scalar>§hashed_commits: BTreeMap<PeerId, Hash>§commitments: BTreeMap<PeerId, Vec<G>>§sk_shares: BTreeMap<PeerId, Scalar>§pk_shares: BTreeMap<PeerId, Vec<G>>

Implementations§

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impl<G: DkgGroup> Dkg<G>

Implementation of “Secure Distributed Key Generation for Discrete-Log Based Cryptosystems” by Rosario Gennaro and Stanislaw Jarecki and Hugo Krawczyk and Tal Rabin

Prevents any manipulation of the secret key, but fails with any non-cooperative peers

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pub fn new( group: G, our_id: PeerId, peers: Vec<PeerId>, threshold: usize, rng: &mut impl RngCore, ) -> (Self, DkgStep<G>)

Creates the DKG and the first step of the algorithm

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pub fn step(&mut self, peer: PeerId, msg: DkgMessage<G>) -> Result<DkgStep<G>>

Runs a single step of the DKG algorithm, processing a msg from peer

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fn hash(poly: &[G]) -> Sha256

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fn broadcast(&self, msg: &DkgMessage<G>) -> DkgStep<G>

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fn gen_h(&self) -> G

Get a second generator by hashing the first one to the curve

Auto Trait Implementations§

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impl<G> Freeze for Dkg<G>
where G: Freeze,

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impl<G> RefUnwindSafe for Dkg<G>
where G: RefUnwindSafe,

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impl<G> Send for Dkg<G>
where G: Send,

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impl<G> Sync for Dkg<G>
where G: Sync,

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impl<G> Unpin for Dkg<G>
where G: Unpin,

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impl<G> UnwindSafe for Dkg<G>
where G: UnwindSafe + RefUnwindSafe,

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