pub trait SignatureScheme: Sized + Clone + From<Self::Parameters> {
type Parameters: Clone + Debug + ToBytes + FromBytes + Eq + Send + Sync;
type PublicKey: Clone + Debug + Default + ToBytes + FromBytes + Hash + Eq + Send + Sync + CanonicalSerialize + CanonicalDeserialize;
type PrivateKey: Clone + Debug + Default + ToBytes + FromBytes + PartialEq + Eq;
type Signature: Clone + Debug + Default + ToBytes + FromBytes + Send + Sync + PartialEq + Eq;
fn setup<R: Rng>(rng: &mut R) -> Result<Self, SignatureError>;
fn parameters(&self) -> &Self::Parameters;
fn generate_private_key<R: Rng>(
&self,
rng: &mut R
) -> Result<Self::PrivateKey, SignatureError>;
fn generate_public_key(
&self,
private_key: &Self::PrivateKey
) -> Result<Self::PublicKey, SignatureError>;
fn sign<R: Rng>(
&self,
private_key: &Self::PrivateKey,
message: &[u8],
rng: &mut R
) -> Result<Self::Signature, SignatureError>;
fn verify(
&self,
public_key: &Self::PublicKey,
message: &[u8],
signature: &Self::Signature
) -> Result<bool, SignatureError>;
fn randomize_public_key(
&self,
public_key: &Self::PublicKey,
randomness: &[u8]
) -> Result<Self::PublicKey, SignatureError>;
fn randomize_signature(
&self,
signature: &Self::Signature,
randomness: &[u8]
) -> Result<Self::Signature, SignatureError>;
}