20210206233700.0 International journal of network security (Online) 1816-353X 1816-3548 China (Republic : 1949- ) http://ijns.femto.com.tw/ 1816-3548 1816-3548 1816-3548 International journal of network security. International journal of network security. International journal of network security (Online) http://isrc.nchu.edu.tw/ijns/