23 def _skip_dhx_unsupported(backend, is_dhx):  argument
151     def test_small_key_generate_dh(self, backend):  argument
155     def test_unsupported_generator_generate_dh(self, backend):  argument
159     def test_dh_parameters_supported(self, backend):  argument
170     def test_dh_parameters_allows_rfc3526_groups(self, backend, vector):  argument
186     def test_dh_parameters_supported_with_q(self, backend, vector):  argument
192     def test_convert_to_numbers(self, backend, with_q):  argument
224     def test_numbers_unsupported_parameters(self, backend):  argument
238     def test_generate_dh(self, backend, with_q):  argument
276     def test_exchange(self, backend):  argument
290     def test_exchange_algorithm(self, backend):  argument
305     def test_symmetric_key_padding(self, backend):  argument
334     def test_bad_exchange(self, backend, vector):  argument
365     def test_dh_vectors(self, backend, vector):  argument
380     def test_dh_vectors_with_q(self, backend, vector):  argument
415     def test_private_bytes_unencrypted(self, backend, encoding,  argument
437     def test_private_bytes_rejects_invalid(self, encoding, fmt, backend):  argument
470                                  encoding, is_dhx, backend):  argument
510                                   vec_path, is_dhx, backend):  argument
531     def test_private_bytes_traditional_openssl_invalid(self, backend):  argument
541     def test_private_bytes_invalid_encoding(self, backend):  argument
551     def test_private_bytes_invalid_format(self, backend):  argument
561     def test_private_bytes_invalid_encryption_algorithm(self, backend):  argument
571     def test_private_bytes_unsupported_encryption_type(self, backend):  argument
600     def test_public_bytes(self, backend, encoding,  argument
639                                 encoding, is_dhx, backend):  argument
679                                  vec_path, is_dhx, backend):  argument
696     def test_public_bytes_invalid_encoding(self, backend):  argument
705     def test_public_bytes_pkcs1_unsupported(self, backend):  argument
732     def test_parameter_bytes(self, backend, encoding,  argument
769                                    encoding, backend, is_dhx):  argument
809                                  vec_path, backend, is_dhx):  argument
847     def test_public_bytes_rejects_invalid(self, encoding, fmt, backend):  argument
853     def test_parameter_bytes_invalid_encoding(self, backend):  argument
861     def test_parameter_bytes_invalid_format(self, backend):  argument
869     def test_parameter_bytes_openssh_unsupported(self, backend):  argument