code: def initialize(self):
          
          self._signing_key = SigningKey(os.urandom(32))
          self._auth_private = self._signing_key.to_seed()
          self._auth_public = self._signing_key.get_verifying_key().to_bytes()
          self._verify_private = curve25519.Private(secret=os.urandom(32))
          self._verify_public = self._verify_private.get_public()
          return self._auth_public, self._verify_public.serialize()
docs: Initialize operation by generating new keys.