def elliptic_curve_signature_algorithm_supported(
        self, signature_algorithm, curve
    ):
        """
        Returns True if the backend supports the named elliptic curve with the
        specified signature algorithm.
        """

        Returns True if the backend supports the named elliptic curve with the
        specified signature algorithm.
        
stackoverflow/venv/lib/python3.6/site-packages/cryptography/hazmat/backends/interfaces.py