910     keymaster_key_param_set_t outParams = {NULL, 0};  in begin()  local
921     err = dev->begin(dev, purpose, &key, &inParams, &outParams, &handle);  in begin()
933         err = dev->begin(dev, purpose, &key, &inParams, &outParams, &handle);  in begin()
953     if (outParams.params) {  in begin()
954         result->outParams.params.assign(outParams.params, outParams.params + outParams.length);  in begin()
955         free(outParams.params);  in begin()
984     keymaster_key_param_set_t outParams = {NULL, 0};  in update()  local
997         dev->update(dev, handle, &inParams, &input, &consumed, &outParams, &output);  in update()
1002     if (outParams.params) {  in update()
1003         result->outParams.params.assign(outParams.params, outParams.params + outParams.length);  in update()
1004         free(outParams.params);  in update()
1048     keymaster_key_param_set_t outParams = {nullptr, 0};  in finish()  local
1063                     &sig, &outParams, &output);  in finish()
1071     if (outParams.params) {  in finish()
1072         result->outParams.params.assign(outParams.params, outParams.params + outParams.length);  in finish()
1073         free(outParams.params);  in finish()