def verify1(self):
self._check_initialized()<EOL>self._verify_private = curve25519.Private(secret=self.seed)<EOL>self._verify_public = self._verify_private.get_public()<EOL>log_binary(_LOGGER,<EOL>'<STR_LIT>',<EOL>Private=self._verify_private.serialize(),<EOL>Public=self._verify_public.serialize())<EOL>verify_public = self._verify_public.serialize()<EOL>return b'<STR_LIT>' + verify_public + self._auth_public<EOL>
First device verification step.