def add_response_signature(self, response_data, sign_algorithm=OneLogin_Saml2_Constants.RSA_SHA1):
return self.__build_signature(response_data, '<STR_LIT>', sign_algorithm)<EOL>
Builds the Signature of the SAML Response.
:param response_data: The Response parameters
:type response_data: dict

:param sign_algorithm: Signature algorithm method
:type sign_algorithm: string