private void initThriftSSL(TrimProperties properties) {
    conf.setEnableSSL(
        Boolean.parseBoolean(
            properties.getProperty("enable_thrift_ssl", Boolean.toString(conf.isEnableSSL()))));
    conf.setKeyStorePath(properties.getProperty("key_store_path", conf.getKeyStorePath()));
    conf.setKeyStorePwd(properties.getProperty("key_store_pwd", conf.getKeyStorePath()));
  }
load a property file and set TsfileDBConfig variables.
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/conf/IoTDBDescriptor.java