1183                                              keymaster_key_param_set_t* out_params,  in begin()  argument
1203             return km1_dev->begin(km1_dev, purpose, key, in_params, out_params, operation_handle);  in begin()
1208     if (out_params) {  in begin()
1209         out_params->params = nullptr;  in begin()
1210         out_params->length = 0;  in begin()
1224         if (out_params)  in begin()
1225             response.output_params.CopyToParamSet(out_params);  in begin()
1239                                              keymaster_key_param_set_t* out_params,  in begin()  argument
1248     return begin(&sk_dev->km1_device_, purpose, key, in_params, out_params, operation_handle);  in begin()
1256                                               keymaster_key_param_set_t* out_params,  in update()  argument
1270                                out_params, output);  in update()
1273     if (out_params) {  in update()
1274         out_params->params = nullptr;  in update()
1275         out_params->length = 0;  in update()
1295         if (out_params)  in update()
1296             response.output_params.CopyToParamSet(out_params);  in update()
1320                                               keymaster_key_param_set_t* out_params,  in update()  argument
1330                   out_params, output);  in update()
1338                                               keymaster_key_param_set_t* out_params,  in finish()  argument
1345         return km1_dev->finish(km1_dev, operation_handle, params, signature, out_params, output);  in finish()
1348     if (out_params) {  in finish()
1349         out_params->params = nullptr;  in finish()
1350         out_params->length = 0;  in finish()
1370         if (out_params)  in finish()
1371             response.output_params.CopyToParamSet(out_params);  in finish()
1395                                               keymaster_key_param_set_t* out_params,  in finish()  argument
1407     return finish(&sk_dev->km1_device_, operation_handle, params, signature, out_params, output);  in finish()