Function crypto_sign_final_verify 

pub fn crypto_sign_final_verify(
    state: SignerState,
    signature: &Signature,
    public_key: &PublicKey,
) -> Result<(), Error>

Verifies the computed signature for state and public_key matches signature, consuming the state.

Errors

Returns an error if signature or public_key is malformed, or if the signature does not match the accumulated message.