Information and Communications Security 19th International Conference, ICICS 2017, Beijing, China, December 6-8, 2017, Proceedings - Qing, Sihan; Qing, Sihan; Mitchell, Chris; Mitchell, Chris; Chen, Liqun; Chen, Liqun; Liu, Dongmei; Liu, Dongmei (Springer International Publishing : Imprint: Springer, 2018)