Trait narwhal_crypto::traits::AggregateAuthenticator

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pub trait AggregateAuthenticator: 'static + Display + Default + Serialize + DeserializeOwned + Send + Sync + Clone {
    type Sig: Authenticator
    where
        <Self::Sig as Authenticator>::PubKey == Self::PubKey;
    type PubKey: VerifyingKey
    where
        <Self::PubKey as VerifyingKey>::Sig == Self::Sig;
    type PrivKey: SigningKey
    where
        <Self::PrivKey as SigningKey>::Sig == Self::Sig;

    fn aggregate(signatures: Vec<Self::Sig, Global>) -> Result<Self, Error>;
    fn add_signature(&mut self, signature: Self::Sig) -> Result<(), Error>;
    fn add_aggregate(&mut self, signature: Self) -> Result<(), Error>;
    fn verify(
        &self,
        pks: &[<Self::Sig as Authenticator>::PubKey],
        message: &[u8]
    ) -> Result<(), Error>;
    fn batch_verify<'a>(
        sigs: &[&Self],
        pks: Vec<impl ExactSizeIterator<Item = &'a Self::PubKey>, Global>,
        messages: &[&[u8]]
    ) -> Result<(), Error>;
}
Expand description

Trait impl’d by aggregated signatures in asymmetric cryptography.

The trait bounds are implemented to allow the aggregation of multiple signatures, and to verify it against multiple, unaggregated public keys. For signature schemes where aggregation is not possible, a trivial implementation is provided.

Required Associated Types

Required Methods

Parse a key from its byte representation

Implementors