Struct SchnorrSigner

pub struct SchnorrSigner<'a> { /* private fields */ }

Available on crate feature schnorr only.

Create a signer for Taproot BIP-340 Schnorr signatures.

Implementations

impl<'a> SchnorrSigner<'a>

pub fn new(signing_key: Cow<'a, SigningKey>) -> Self

Create a new signer.

pub fn from_slice(signing_key: &[u8]) -> Result<SigningKey>

Initialize a signing key from a byte slice.

pub fn random() -> SigningKey

Generate a random private signing key.

pub fn sign(&self, message: &[u8]) -> Signature

Sign a message.

pub fn sign_prehash(&self, prehash: &[u8]) -> Result<Signature>

Attempt to sign the given message digest, returning a digital signature on success, or an error if something went wrong.

pub fn sign_raw( &self, msg_digest: &[u8], aux_rand: &[u8; 32], ) -> Result<Signature>

Compute Schnorr signature.

⚠️ Warning

This is a low-level interface intended only for unusual use cases involving signing pre-hashed messages.

pub fn verifying_key(&self) -> &VerifyingKey

Verifying key for this signer.

pub fn verify(&self, message: &[u8], signature: &Signature) -> Result<()>

Verify a Schnorr signaature.

pub fn verify_raw(&self, message: &[u8], signature: &Signature) -> Result<()>

Verify a Schnorr signaature.

⚠️ Warning

This is a low-level interface intended only for unusual use cases involving verifying pre-hashed messages, or “raw” messages where the message is not hashed at all prior to being used to generate the Schnorr signature.